From 1d481414a2fa8505a2591c88e2b7b8f86a682ca2 Mon Sep 17 00:00:00 2001
From: Victor Chahuneau <vchahune@cs.cmu.edu>
Date: Fri, 27 Jul 2012 22:25:15 -0400
Subject: [python] conversion from cdec.sa.Rule to cdec.TRule

+ remove configobj dependency
+ re-structure packages (no more top-level library)
+ "const" stuff
+ use __new__ instead of constructor for some objects
---
 python/src/_cdec.cpp          |  5999 ++--
 python/src/_cdec.pyx          |    10 +-
 python/src/grammar.pxd        |    13 +-
 python/src/grammar.pxi        |    61 +-
 python/src/hypergraph.pxd     |    18 +-
 python/src/hypergraph.pxi     |    18 +-
 python/src/lattice.pxi        |     6 +-
 python/src/mteval.pxd         |     6 +-
 python/src/mteval.pxi         |     4 +-
 python/src/sa/_cdec_sa.c      | 62490 ---------------------------------------
 python/src/sa/_cdec_sa.pyx    |    29 -
 python/src/sa/_sa.c           | 63140 ++++++++++++++++++++++++++++++++++++++++
 python/src/sa/_sa.pxd         |    17 +
 python/src/sa/_sa.pyx         |    29 +
 python/src/sa/rule.pxi        |    39 +-
 python/src/sa/rulefactory.pxi |     3 +-
 python/src/sa/sym.pxi         |    16 +-
 python/src/utils.pxd          |     5 +-
 python/src/vectors.pxi        |    26 +-
 19 files changed, 67051 insertions(+), 64878 deletions(-)
 delete mode 100644 python/src/sa/_cdec_sa.c
 delete mode 100644 python/src/sa/_cdec_sa.pyx
 create mode 100644 python/src/sa/_sa.c
 create mode 100644 python/src/sa/_sa.pxd
 create mode 100644 python/src/sa/_sa.pyx

(limited to 'python/src')

diff --git a/python/src/_cdec.cpp b/python/src/_cdec.cpp
index 44cd6568..20b86169 100644
--- a/python/src/_cdec.cpp
+++ b/python/src/_cdec.cpp
@@ -1,4 +1,4 @@
-/* Generated by Cython 0.16 on Wed Jul 25 23:56:10 2012 */
+/* Generated by Cython 0.17.beta1 on Fri Jul 27 22:15:28 2012 */
 
 #define PY_SSIZE_T_CLEAN
 #include "Python.h"
@@ -47,12 +47,6 @@
 #define CYTHON_COMPILING_IN_CPYTHON 1
 #endif
 
-#if CYTHON_COMPILING_IN_PYPY
-  #define __Pyx_PyCFunction_Call PyObject_Call
-#else
-  #define __Pyx_PyCFunction_Call PyCFunction_Call
-#endif
-
 #if PY_VERSION_HEX < 0x02050000
   typedef int Py_ssize_t;
   #define PY_SSIZE_T_MAX INT_MAX
@@ -60,8 +54,11 @@
   #define PY_FORMAT_SIZE_T ""
   #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
   #define PyInt_AsSsize_t(o)   __Pyx_PyInt_AsInt(o)
-  #define PyNumber_Index(o)    PyNumber_Int(o)
-  #define PyIndex_Check(o)     PyNumber_Check(o)
+  #define PyNumber_Index(o)    ((PyNumber_Check(o) && !PyFloat_Check(o)) ? PyNumber_Int(o) : \
+                                (PyErr_Format(PyExc_TypeError, \
+                                              "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
+                                 (PyObject*)0))
+  #define PyIndex_Check(o)     (PyNumber_Check(o) && !PyFloat_Check(o) && !PyComplex_Check(o))
   #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
   #define __PYX_BUILD_PY_SSIZE_T "i"
 #else
@@ -130,14 +127,20 @@
 #endif
 
 
-#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_GET_LENGTH)
+#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
   #define CYTHON_PEP393_ENABLED 1
-  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u)
+  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ? \
+                                              0 : _PyUnicode_Ready((PyObject *)(op)))
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
 #else
   #define CYTHON_PEP393_ENABLED 0
-  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u)
+  #define __Pyx_PyUnicode_READY(op)       (0)
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
+
+  #define __Pyx_PyUnicode_READ(k, d, i)   ((k=k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
 #endif
 
 #if PY_MAJOR_VERSION >= 3
@@ -270,6 +273,7 @@
 #include <math.h>
 #define __PYX_HAVE___cdec
 #define __PYX_HAVE_API___cdec
+#include "string.h"
 #include <string>
 #include <vector>
 #include <utility>
@@ -357,7 +361,11 @@ static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
 static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
 static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*);
 
+#if CYTHON_COMPILING_IN_CPYTHON
 #define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
+#else
+#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
+#endif
 #define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
 
 #ifdef __GNUC__
@@ -391,6 +399,8 @@ static const char *__pyx_f[] = {
   "hypergraph.pxi",
   "lattice.pxi",
   "mteval.pxi",
+  "stringsource",
+  "cdec.sa._sa.pxd",
 };
 
 /*--- Type declarations ---*/
@@ -398,15 +408,15 @@ struct __pyx_obj_5_cdec_Scorer;
 struct __pyx_obj_5_cdec_NTRef;
 struct __pyx_obj_5_cdec___pyx_scope_struct_23___cinit__;
 struct __pyx_obj_5_cdec___pyx_scope_struct_24_genexpr;
+struct __pyx_obj_4cdec_2sa_3_sa_Phrase;
 struct __pyx_obj_5_cdec_Grammar;
 struct __pyx_obj_5_cdec___pyx_scope_struct_13___get__;
 struct __pyx_obj_5_cdec___pyx_scope_struct_18_todot;
 struct __pyx_obj_5_cdec___pyx_scope_struct_2__phrase;
 struct __pyx_obj_5_cdec_CandidateSet;
 struct __pyx_obj_5_cdec___pyx_scope_struct_14___get__;
-struct __pyx_obj_5_cdec_BaseTRule;
 struct __pyx_obj_5_cdec_TRule;
-struct __pyx_obj_5_cdec___pyx_scope_struct_3_genexpr;
+struct __pyx_obj_4cdec_2sa_3_sa_Rule;
 struct __pyx_obj_5_cdec_SegmentEvaluator;
 struct __pyx_obj_5_cdec___pyx_scope_struct_20___iter__;
 struct __pyx_obj_5_cdec_Candidate;
@@ -420,7 +430,7 @@ struct __pyx_obj_5_cdec_Decoder;
 struct __pyx_obj_5_cdec_HypergraphNode;
 struct __pyx_obj_5_cdec_SparseVector;
 struct __pyx_obj_5_cdec___pyx_scope_struct_17___iter__;
-struct __pyx_obj_5_cdec___pyx_scope_struct_12___get__;
+struct __pyx_obj_5_cdec___pyx_scope_struct____iter__;
 struct __pyx_obj_5_cdec___pyx_scope_struct_21___iter__;
 struct __pyx_obj_5_cdec_DenseVector;
 struct __pyx_obj_5_cdec___pyx_scope_struct_7___iter__;
@@ -430,11 +440,12 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_8_kbest;
 struct __pyx_obj_5_cdec___pyx_scope_struct_10_kbest_features;
 struct __pyx_obj_5_cdec___pyx_scope_struct_15___get__;
 struct __pyx_obj_5_cdec___pyx_scope_struct_5___str__;
+struct __pyx_obj_5_cdec___pyx_scope_struct_3_genexpr;
 struct __pyx_obj_5_cdec___pyx_scope_struct_9_kbest_trees;
 struct __pyx_obj_5_cdec_Hypergraph;
 struct __pyx_obj_5_cdec_Lattice;
 struct __pyx_obj_5_cdec___pyx_scope_struct_11_sample;
-struct __pyx_obj_5_cdec___pyx_scope_struct____iter__;
+struct __pyx_obj_5_cdec___pyx_scope_struct_12___get__;
 struct __pyx_obj_5_cdec___pyx_scope_struct_22__make_config;
 struct __pyx_obj_5_cdec_TextGrammar;
 struct __pyx_obj_5_cdec___pyx_scope_struct_19_lines;
@@ -443,13 +454,13 @@ struct __pyx_opt_args_5_cdec_as_str;
 /* "_cdec.pyx":6
  * cimport decoder
  * 
- * cdef char* as_str(data, error_msg='Cannot convert type %s to str'):             # <<<<<<<<<<<<<<
+ * cdef char* as_str(data, char* error_msg='Cannot convert type %s to str'):             # <<<<<<<<<<<<<<
  *     cdef bytes ret
  *     if isinstance(data, unicode):
  */
 struct __pyx_opt_args_5_cdec_as_str {
   int __pyx_n;
-  PyObject *error_msg;
+  char *error_msg;
 };
 
 /* "/Users/vchahun/Sandbox/cdec/python/src/mteval.pxi":117
@@ -466,7 +477,7 @@ struct __pyx_obj_5_cdec_Scorer {
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":18
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":20
  *         return '[%s]' % self.cat
  * 
  * cdef class NTRef:             # <<<<<<<<<<<<<<
@@ -509,8 +520,23 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_24_genexpr {
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":146
- *         self.rule.get().ComputeArity()
+/* "/Users/vchahun/Sandbox/cdec/python/src/cdec.sa._sa.pxd":1
+ * cdef class Phrase:             # <<<<<<<<<<<<<<
+ *     cdef int *syms
+ *     cdef int n, *varpos, n_vars
+ */
+struct __pyx_obj_4cdec_2sa_3_sa_Phrase {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_4cdec_2sa_3_sa_Phrase *__pyx_vtab;
+  int *syms;
+  int n;
+  int *varpos;
+  int n_vars;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":169
+ *                 _phrase(self.f), _phrase(self.e), scores)
  * 
  * cdef class Grammar:             # <<<<<<<<<<<<<<
  *     cdef shared_ptr[grammar.Grammar]* grammar
@@ -539,7 +565,7 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_13___get__ {
 
 
 /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":57
- *         del self.lattice
+ *             yield self[i]
  * 
  *     def todot(self):             # <<<<<<<<<<<<<<
  *         def lines():
@@ -551,8 +577,8 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_18_todot {
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":3
- * cimport grammar
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":5
+ * import cdec.sa._sa as _sa
  * 
  * def _phrase(phrase):             # <<<<<<<<<<<<<<
  *     return ' '.join(w.encode('utf8') if isinstance(w, unicode) else str(w) for w in phrase)
@@ -595,45 +621,34 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_14___get__ {
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":26
- *         return '[%d]' % self.ref
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":50
+ *     return TRule(lhs, f, e, scores, a)
  * 
- * cdef class BaseTRule:             # <<<<<<<<<<<<<<
+ * cdef class TRule:             # <<<<<<<<<<<<<<
  *     cdef shared_ptr[grammar.TRule]* rule
  * 
  */
-struct __pyx_obj_5_cdec_BaseTRule {
+struct __pyx_obj_5_cdec_TRule {
   PyObject_HEAD
   boost::shared_ptr<TRule> *rule;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":135
- *                 _phrase(self.f), _phrase(self.e), scores)
- * 
- * cdef class TRule(BaseTRule):             # <<<<<<<<<<<<<<
- *     def __cinit__(self, lhs, f, e, scores, a=None):
- *         self.rule = new shared_ptr[grammar.TRule](new grammar.TRule())
- */
-struct __pyx_obj_5_cdec_TRule {
-  struct __pyx_obj_5_cdec_BaseTRule __pyx_base;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":4
+/* "/Users/vchahun/Sandbox/cdec/python/src/cdec.sa._sa.pxd":7
+ *     cdef public int chunklen(self, int k)
  * 
- * def _phrase(phrase):
- *     return ' '.join(w.encode('utf8') if isinstance(w, unicode) else str(w) for w in phrase)             # <<<<<<<<<<<<<<
- * 
- * cdef class NT:
+ * cdef class Rule:             # <<<<<<<<<<<<<<
+ *     cdef public int lhs
+ *     cdef readonly Phrase f, e
  */
-struct __pyx_obj_5_cdec___pyx_scope_struct_3_genexpr {
+struct __pyx_obj_4cdec_2sa_3_sa_Rule {
   PyObject_HEAD
-  struct __pyx_obj_5_cdec___pyx_scope_struct_2__phrase *__pyx_outer_scope;
-  PyObject *__pyx_v_w;
-  PyObject *__pyx_t_0;
-  Py_ssize_t __pyx_t_1;
-  PyObject *(*__pyx_t_2)(PyObject *);
+  int lhs;
+  struct __pyx_obj_4cdec_2sa_3_sa_Phrase *f;
+  struct __pyx_obj_4cdec_2sa_3_sa_Phrase *e;
+  float *cscores;
+  int n_scores;
+  PyObject *word_alignments;
 };
 
 
@@ -672,7 +687,7 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_20___iter__ {
  *         return stats
  * 
  * cdef class Candidate:             # <<<<<<<<<<<<<<
- *     cdef mteval.Candidate* candidate
+ *     cdef mteval.const_Candidate* candidate
  *     cdef public float score
  */
 struct __pyx_obj_5_cdec_Candidate {
@@ -682,7 +697,7 @@ struct __pyx_obj_5_cdec_Candidate {
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":131
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":165
  * 
  *     def __str__(self):
  *         scores = ' '.join('%s=%s' % feat for feat in self.scores)             # <<<<<<<<<<<<<<
@@ -699,7 +714,7 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_6_genexpr {
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":6
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":8
  *     return ' '.join(w.encode('utf8') if isinstance(w, unicode) else str(w) for w in phrase)
  * 
  * cdef class NT:             # <<<<<<<<<<<<<<
@@ -724,12 +739,12 @@ struct __pyx_obj_5_cdec_HypergraphEdge {
   PyObject_HEAD
   struct __pyx_vtabstruct_5_cdec_HypergraphEdge *__pyx_vtab;
   Hypergraph *hg;
-  const Hypergraph::Edge *edge;
-  struct __pyx_obj_5_cdec_BaseTRule *trule;
+  Hypergraph::Edge *edge;
+  struct __pyx_obj_5_cdec_TRule *trule;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":55
+/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":67
  *         self.vector.set_value(fid, value)
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -762,7 +777,7 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_16___get__ {
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":90
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":124
  * 
  *     property a:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -773,7 +788,7 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_4___get__ {
   PyObject_HEAD
   std::vector<AlignmentPoint> *__pyx_v_a;
   unsigned int __pyx_v_i;
-  struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self;
+  struct __pyx_obj_5_cdec_TRule *__pyx_v_self;
   size_t __pyx_t_0;
   unsigned int __pyx_t_1;
 };
@@ -804,11 +819,11 @@ struct __pyx_obj_5_cdec_HypergraphNode {
   PyObject_HEAD
   struct __pyx_vtabstruct_5_cdec_HypergraphNode *__pyx_vtab;
   Hypergraph *hg;
-  const Hypergraph::Node *node;
+  Hypergraph::Node *node;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":36
+/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":45
  *         return sparse
  * 
  * cdef class SparseVector:             # <<<<<<<<<<<<<<
@@ -821,7 +836,7 @@ struct __pyx_obj_5_cdec_SparseVector {
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":49
+/* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":52
  *         return hypergraph.AsPLF(self.lattice[0], True).c_str()
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -837,17 +852,17 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_17___iter__ {
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":113
+/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":31
+ *         self.vector[0][fid] = value
  * 
- *     property edges:
- *         def __get__(self):             # <<<<<<<<<<<<<<
- *             cdef unsigned i
- *             for i in range(self.hg.edges_.size()):
+ *     def __iter__(self):             # <<<<<<<<<<<<<<
+ *         cdef unsigned fid
+ *         for fid in range(1, self.vector.size()):
  */
-struct __pyx_obj_5_cdec___pyx_scope_struct_12___get__ {
+struct __pyx_obj_5_cdec___pyx_scope_struct____iter__ {
   PyObject_HEAD
-  unsigned int __pyx_v_i;
-  struct __pyx_obj_5_cdec_Hypergraph *__pyx_v_self;
+  unsigned int __pyx_v_fid;
+  struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self;
   size_t __pyx_t_0;
   unsigned int __pyx_t_1;
 };
@@ -873,21 +888,22 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_21___iter__ {
  * from cython.operator cimport preincrement as pinc
  * 
  * cdef class DenseVector:             # <<<<<<<<<<<<<<
- *     cdef vector[weight_t]* vector # Not owned by DenseVector
- * 
+ *     cdef vector[weight_t]* vector
+ *     cdef bint owned # if True, do not manage memory
  */
 struct __pyx_obj_5_cdec_DenseVector {
   PyObject_HEAD
   std::vector<weight_t> *vector;
+  int owned;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":152
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":175
  *         del self.grammar
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
- *         cdef grammar.GrammarIter* root = self.grammar.get().GetRoot()
- *         cdef grammar.RuleBin* rbin = root.GetRules()
+ *         cdef grammar.const_GrammarIter* root = self.grammar.get().GetRoot()
+ *         cdef grammar.const_RuleBin* rbin = root.GetRules()
  */
 struct __pyx_obj_5_cdec___pyx_scope_struct_7___iter__ {
   PyObject_HEAD
@@ -983,7 +999,7 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_15___get__ {
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":130
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":164
  *             self.rule.get().lhs_ = -TDConvert(<char *>lhs.cat)
  * 
  *     def __str__(self):             # <<<<<<<<<<<<<<
@@ -992,7 +1008,24 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_15___get__ {
  */
 struct __pyx_obj_5_cdec___pyx_scope_struct_5___str__ {
   PyObject_HEAD
-  struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self;
+  struct __pyx_obj_5_cdec_TRule *__pyx_v_self;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":6
+ * 
+ * def _phrase(phrase):
+ *     return ' '.join(w.encode('utf8') if isinstance(w, unicode) else str(w) for w in phrase)             # <<<<<<<<<<<<<<
+ * 
+ * cdef class NT:
+ */
+struct __pyx_obj_5_cdec___pyx_scope_struct_3_genexpr {
+  PyObject_HEAD
+  struct __pyx_obj_5_cdec___pyx_scope_struct_2__phrase *__pyx_outer_scope;
+  PyObject *__pyx_v_w;
+  PyObject *__pyx_t_0;
+  Py_ssize_t __pyx_t_1;
+  PyObject *(*__pyx_t_2)(PyObject *);
 };
 
 
@@ -1064,17 +1097,17 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_11_sample {
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":22
- *         self.vector[0][fid] = value
+/* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":113
  * 
- *     def __iter__(self):             # <<<<<<<<<<<<<<
- *         cdef unsigned fid
- *         for fid in range(1, self.vector.size()):
+ *     property edges:
+ *         def __get__(self):             # <<<<<<<<<<<<<<
+ *             cdef unsigned i
+ *             for i in range(self.hg.edges_.size()):
  */
-struct __pyx_obj_5_cdec___pyx_scope_struct____iter__ {
+struct __pyx_obj_5_cdec___pyx_scope_struct_12___get__ {
   PyObject_HEAD
-  unsigned int __pyx_v_fid;
-  struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self;
+  unsigned int __pyx_v_i;
+  struct __pyx_obj_5_cdec_Hypergraph *__pyx_v_self;
   size_t __pyx_t_0;
   unsigned int __pyx_t_1;
 };
@@ -1103,7 +1136,7 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_22__make_config {
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":169
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":192
  *             self.grammar.get().SetGrammarName(string(<char *>name))
  * 
  * cdef class TextGrammar(Grammar):             # <<<<<<<<<<<<<<
@@ -1139,6 +1172,19 @@ struct __pyx_obj_5_cdec___pyx_scope_struct_19_lines {
 
 
 
+/* "/Users/vchahun/Sandbox/cdec/python/src/cdec.sa._sa.pxd":1
+ * cdef class Phrase:             # <<<<<<<<<<<<<<
+ *     cdef int *syms
+ *     cdef int n, *varpos, n_vars
+ */
+
+struct __pyx_vtabstruct_4cdec_2sa_3_sa_Phrase {
+  int (*chunkpos)(struct __pyx_obj_4cdec_2sa_3_sa_Phrase *, int);
+  int (*chunklen)(struct __pyx_obj_4cdec_2sa_3_sa_Phrase *, int);
+};
+static struct __pyx_vtabstruct_4cdec_2sa_3_sa_Phrase *__pyx_vtabptr_4cdec_2sa_3_sa_Phrase;
+
+
 /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":193
  *         raise NotImplemented('comparison not implemented for HypergraphEdge')
  * 
@@ -1226,9 +1272,19 @@ static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyOb
 
 static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); /*proto*/
 
+static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
+    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(PyObject *kwdict, const char* function_name, int kw_allowed); /*proto*/
+
 static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
     const char *name, int exact); /*proto*/
 
+static CYTHON_INLINE PyObject* __Pyx_tp_new(PyObject* type_obj) {
+    return (PyObject*) (((PyTypeObject*)(type_obj))->tp_new(
+        (PyTypeObject*)(type_obj), __pyx_empty_tuple, NULL));
+}
+
 static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); /*proto*/
 
 static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname);
@@ -1239,16 +1295,28 @@ static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[], \
     PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args, \
     const char* function_name); /*proto*/
 
-static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
-    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
+    PyListObject* L = (PyListObject*) list;
+    Py_ssize_t len = Py_SIZE(list);
+    if (likely(L->allocated > len)) {
+        Py_INCREF(x);
+        PyList_SET_ITEM(list, len, x);
+        Py_SIZE(list) = len+1;
+        return 0;
+    }
+    return PyList_Append(list, x);
+}
+#else
+#define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
+#endif
 
 static CYTHON_INLINE PyObject* __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
     if (likely(PyList_CheckExact(L))) {
-        if (PyList_Append(L, x) < 0) return NULL;
+        if (unlikely(PyList_Append(L, x) < 0)) return NULL;
         Py_INCREF(Py_None);
         return Py_None; /* this is just to have an accurate signature */
-    }
-    else {
+    } else {
         PyObject *r, *m;
         m = __Pyx_GetAttrString(L, "append");
         if (!m) return NULL;
@@ -1269,42 +1337,47 @@ static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j
                                                     __Pyx_GetItemInt_List_Fast(o, i) : \
                                                     __Pyx_GetItemInt_Generic(o, to_py_func(i)))
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i) {
-    if (likely(o != Py_None)) {
-        if (likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
-            PyObject *r = PyList_GET_ITEM(o, i);
-            Py_INCREF(r);
-            return r;
-        }
-        else if ((-PyList_GET_SIZE(o) <= i) & (i < 0)) {
-            PyObject *r = PyList_GET_ITEM(o, PyList_GET_SIZE(o) + i);
-            Py_INCREF(r);
-            return r;
-        }
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
+        PyObject *r = PyList_GET_ITEM(o, i);
+        Py_INCREF(r);
+        return r;
+    }
+    else if ((-PyList_GET_SIZE(o) <= i) & (i < 0)) {
+        PyObject *r = PyList_GET_ITEM(o, PyList_GET_SIZE(o) + i);
+        Py_INCREF(r);
+        return r;
     }
     return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
 }
 #define __Pyx_GetItemInt_Tuple(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
                                                     __Pyx_GetItemInt_Tuple_Fast(o, i) : \
                                                     __Pyx_GetItemInt_Generic(o, to_py_func(i)))
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i) {
-    if (likely(o != Py_None)) {
-        if (likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, i);
-            Py_INCREF(r);
-            return r;
-        }
-        else if ((-PyTuple_GET_SIZE(o) <= i) & (i < 0)) {
-            PyObject *r = PyTuple_GET_ITEM(o, PyTuple_GET_SIZE(o) + i);
-            Py_INCREF(r);
-            return r;
-        }
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
+        PyObject *r = PyTuple_GET_ITEM(o, i);
+        Py_INCREF(r);
+        return r;
+    }
+    else if ((-PyTuple_GET_SIZE(o) <= i) & (i < 0)) {
+        PyObject *r = PyTuple_GET_ITEM(o, PyTuple_GET_SIZE(o) + i);
+        Py_INCREF(r);
+        return r;
     }
     return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
 }
 #define __Pyx_GetItemInt(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
                                                     __Pyx_GetItemInt_Fast(o, i) : \
                                                     __Pyx_GetItemInt_Generic(o, to_py_func(i)))
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i) {
+#if CYTHON_COMPILING_IN_CPYTHON
     if (PyList_CheckExact(o)) {
         Py_ssize_t n = (likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
         if (likely((n >= 0) & (n < PyList_GET_SIZE(o)))) {
@@ -1320,19 +1393,30 @@ static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i)
             Py_INCREF(r);
             return r;
         }
-    }
-    else if (likely(i >= 0)) {
+    } else {  /* inlined PySequence_GetItem() */
         PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
         if (likely(m && m->sq_item)) {
+            if (unlikely(i < 0) && likely(m->sq_length)) {
+                Py_ssize_t l = m->sq_length(o);
+                if (unlikely(l < 0)) return NULL;
+                i += l;
+            }
             return m->sq_item(o, i);
         }
     }
+#else
+    if (PySequence_Check(o)) {
+        return PySequence_GetItem(o, i);
+    }
+#endif
     return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
 }
 
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
+
 static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
 
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
+static CYTHON_INLINE int __Pyx_IterFinish(void); /*proto*/
 
 static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected); /*proto*/
 
@@ -1343,26 +1427,72 @@ static CYTHON_INLINE PyObject* __Pyx_PyBoolOrNull_FromLong(long b) {
     return unlikely(b < 0) ? NULL : __Pyx_PyBool_FromLong(b);
 }
 
-#define __Pyx_PyIter_Next(obj) __Pyx_PyIter_Next2(obj, NULL);
+#define __Pyx_PyIter_Next(obj) __Pyx_PyIter_Next2(obj, NULL)
 static CYTHON_INLINE PyObject *__Pyx_PyIter_Next2(PyObject *, PyObject *); /*proto*/
 
-static CYTHON_INLINE int __Pyx_CheckKeywordStrings(PyObject *kwdict, const char* function_name, int kw_allowed); /*proto*/
-
 static double __Pyx__PyObject_AsDouble(PyObject* obj); /* proto */
+#if CYTHON_COMPILING_IN_PYPY
+#define __Pyx_PyObject_AsDouble(obj) \
+(likely(PyFloat_CheckExact(obj)) ? PyFloat_AS_DOUBLE(obj) : \
+ likely(PyInt_CheckExact(obj)) ? \
+ PyFloat_AsDouble(obj) : __Pyx__PyObject_AsDouble(obj))
+#else
 #define __Pyx_PyObject_AsDouble(obj) \
 ((likely(PyFloat_CheckExact(obj))) ? \
  PyFloat_AS_DOUBLE(obj) : __Pyx__PyObject_AsDouble(obj))
+#endif
 
 static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
 
 static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
 static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
 
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level); /*proto*/
+
 static PyObject *__Pyx_FindPy2Metaclass(PyObject *bases); /*proto*/
 
 static PyObject *__Pyx_CreateClass(PyObject *bases, PyObject *dict, PyObject *name,
                                    PyObject *modname); /*proto*/
 
+#ifndef __Pyx_CppExn2PyErr
+#include <new>
+#include <typeinfo>
+#include <stdexcept>
+#include <ios>
+static void __Pyx_CppExn2PyErr() {
+  try {
+    if (PyErr_Occurred())
+      ; // let the latest Python exn pass through and ignore the current one
+    else
+      throw;
+  } catch (const std::bad_alloc& exn) {
+    PyErr_SetString(PyExc_MemoryError, exn.what());
+  } catch (const std::bad_cast& exn) {
+    PyErr_SetString(PyExc_TypeError, exn.what());
+  } catch (const std::domain_error& exn) {
+    PyErr_SetString(PyExc_ValueError, exn.what());
+  } catch (const std::invalid_argument& exn) {
+    PyErr_SetString(PyExc_ValueError, exn.what());
+  } catch (const std::ios_base::failure& exn) {
+    PyErr_SetString(PyExc_IOError, exn.what());
+  } catch (const std::out_of_range& exn) {
+    PyErr_SetString(PyExc_IndexError, exn.what());
+  } catch (const std::overflow_error& exn) {
+    PyErr_SetString(PyExc_OverflowError, exn.what());
+  } catch (const std::range_error& exn) {
+    PyErr_SetString(PyExc_ArithmeticError, exn.what());
+  } catch (const std::underflow_error& exn) {
+    PyErr_SetString(PyExc_ArithmeticError, exn.what());
+  } catch (const std::exception& exn) {
+    PyErr_SetString(PyExc_RuntimeError, exn.what());
+  }
+  catch (...)
+  {
+    PyErr_SetString(PyExc_RuntimeError, "Unknown exception");
+  }
+}
+#endif
+
 static CYTHON_INLINE WordID __Pyx_PyInt_from_py_WordID(PyObject *);
 
 static PyObject* __Pyx_Globals(void); /*proto*/
@@ -1460,6 +1590,7 @@ static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value,
 
 #define __Pyx_Generator_USED
 #include <structmember.h>
+#include <frameobject.h>
 typedef PyObject *(*__pyx_generator_body_t)(PyObject *, PyObject *);
 typedef struct {
     PyObject_HEAD
@@ -1472,15 +1603,38 @@ typedef struct {
     PyObject *exc_traceback;
     PyObject *gi_weakreflist;
     PyObject *classobj;
+    PyObject *yieldfrom;
 } __pyx_GeneratorObject;
 static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
                                                   PyObject *closure);
 static int __pyx_Generator_init(void);
+static int __Pyx_Generator_clear(PyObject* self);
+#if 1 || PY_VERSION_HEX < 0x030300B0
+static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue);
+#else
+#define __Pyx_PyGen_FetchStopIterationValue(pvalue) PyGen_FetchStopIterationValue(pvalue)
+#endif
 
 static int __Pyx_check_binary_version(void);
 
 static int __Pyx_SetVtable(PyObject *dict, void *vtable); /*proto*/
 
+#if !defined(__Pyx_PyIdentifier_FromString)
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
+#else
+  #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
+#endif
+#endif
+
+static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict);  /*proto*/
+
+static PyObject *__Pyx_ImportModule(const char *name); /*proto*/
+
+static void* __Pyx_GetVtable(PyObject *dict); /*proto*/
+
+static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig); /*proto*/
+
 typedef struct {
     int code_line;
     PyCodeObject* code_object;
@@ -1501,6 +1655,8 @@ static void __Pyx_AddTraceback(const char *funcname, int c_line,
 static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
 
 
+/* Module declarations from 'libc.string' */
+
 /* Module declarations from 'libcpp.string' */
 
 /* Module declarations from 'libcpp.vector' */
@@ -1519,6 +1675,14 @@ static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
 
 /* Module declarations from 'decoder' */
 
+/* Module declarations from 'cdec.sa._sa' */
+static PyTypeObject *__pyx_ptype_4cdec_2sa_3_sa_Phrase = 0;
+static PyTypeObject *__pyx_ptype_4cdec_2sa_3_sa_Rule = 0;
+static char *(*__pyx_f_4cdec_2sa_3_sa_sym_tostring)(int); /*proto*/
+static char *(*__pyx_f_4cdec_2sa_3_sa_sym_tocat)(int); /*proto*/
+static int (*__pyx_f_4cdec_2sa_3_sa_sym_isvar)(int); /*proto*/
+static int (*__pyx_f_4cdec_2sa_3_sa_sym_getindex)(int); /*proto*/
+
 /* Module declarations from 'kbest' */
 
 /* Module declarations from 'mteval' */
@@ -1528,7 +1692,6 @@ static PyTypeObject *__pyx_ptype_5_cdec_DenseVector = 0;
 static PyTypeObject *__pyx_ptype_5_cdec_SparseVector = 0;
 static PyTypeObject *__pyx_ptype_5_cdec_NT = 0;
 static PyTypeObject *__pyx_ptype_5_cdec_NTRef = 0;
-static PyTypeObject *__pyx_ptype_5_cdec_BaseTRule = 0;
 static PyTypeObject *__pyx_ptype_5_cdec_TRule = 0;
 static PyTypeObject *__pyx_ptype_5_cdec_Grammar = 0;
 static PyTypeObject *__pyx_ptype_5_cdec_TextGrammar = 0;
@@ -1569,9 +1732,11 @@ static PyTypeObject *__pyx_ptype_5_cdec___pyx_scope_struct_22__make_config = 0;
 static PyTypeObject *__pyx_ptype_5_cdec___pyx_scope_struct_23___cinit__ = 0;
 static PyTypeObject *__pyx_ptype_5_cdec___pyx_scope_struct_24_genexpr = 0;
 static char *__pyx_f_5_cdec_as_str(PyObject *, struct __pyx_opt_args_5_cdec_as_str *__pyx_optional_args); /*proto*/
+static struct __pyx_obj_5_cdec_TRule *__pyx_f_5_cdec_convert_rule(struct __pyx_obj_4cdec_2sa_3_sa_Rule *); /*proto*/
 static struct __pyx_obj_5_cdec_SufficientStats *__pyx_f_5_cdec_as_stats(PyObject *, PyObject *); /*proto*/
 static float __pyx_f_5_cdec__compute_score(void *, SufficientStats *); /*proto*/
 static void __pyx_f_5_cdec__compute_sufficient_stats(void *, std::string *, std::vector<std::string> *, SufficientStats *); /*proto*/
+static PyObject *__pyx_convert_string_to_py_(const std::string &); /*proto*/
 #define __Pyx_MODULE_NAME "_cdec"
 int __pyx_module_is_main__cdec = 0;
 
@@ -1586,33 +1751,36 @@ static PyObject *__pyx_builtin_eval;
 static PyObject *__pyx_builtin_enumerate;
 static PyObject *__pyx_builtin_IndexError;
 static PyObject *__pyx_builtin_open;
-static Py_ssize_t __pyx_pf_5_cdec_11DenseVector___len__(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5_cdec_11DenseVector_2__getitem__(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self, char *__pyx_v_fname); /* proto */
-static int __pyx_pf_5_cdec_11DenseVector_4__setitem__(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self, char *__pyx_v_fname, float __pyx_v_value); /* proto */
-static PyObject *__pyx_pf_5_cdec_11DenseVector_6__iter__(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5_cdec_11DenseVector_9dot(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_other); /* proto */
-static PyObject *__pyx_pf_5_cdec_11DenseVector_11tosparse(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self); /* proto */
-static void __pyx_pf_5_cdec_12SparseVector___dealloc__(CYTHON_UNUSED struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5_cdec_12SparseVector_2copy(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5_cdec_12SparseVector_4__getitem__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, char *__pyx_v_fname); /* proto */
-static int __pyx_pf_5_cdec_12SparseVector_6__setitem__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, char *__pyx_v_fname, float __pyx_v_value); /* proto */
-static PyObject *__pyx_pf_5_cdec_12SparseVector_8__iter__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5_cdec_12SparseVector_11dot(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, PyObject *__pyx_v_other); /* proto */
-static PyObject *__pyx_pf_5_cdec_12SparseVector_13__richcmp__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_x, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_y, int __pyx_v_op); /* proto */
-static Py_ssize_t __pyx_pf_5_cdec_12SparseVector_15__len__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self); /* proto */
-static int __pyx_pf_5_cdec_12SparseVector_17__contains__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, char *__pyx_v_fname); /* proto */
-static PyObject *__pyx_pf_5_cdec_12SparseVector_19__neg__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5_cdec_12SparseVector_21__iadd__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_other); /* proto */
-static PyObject *__pyx_pf_5_cdec_12SparseVector_23__isub__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_other); /* proto */
-static PyObject *__pyx_pf_5_cdec_12SparseVector_25__imul__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, float __pyx_v_scalar); /* proto */
+static int __pyx_pf_5_cdec_11DenseVector___init__(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self); /* proto */
+static void __pyx_pf_5_cdec_11DenseVector_2__dealloc__(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self); /* proto */
+static Py_ssize_t __pyx_pf_5_cdec_11DenseVector_4__len__(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_cdec_11DenseVector_6__getitem__(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self, char *__pyx_v_fname); /* proto */
+static int __pyx_pf_5_cdec_11DenseVector_8__setitem__(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self, char *__pyx_v_fname, float __pyx_v_value); /* proto */
+static PyObject *__pyx_pf_5_cdec_11DenseVector_10__iter__(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_cdec_11DenseVector_13dot(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_other); /* proto */
+static PyObject *__pyx_pf_5_cdec_11DenseVector_15tosparse(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self); /* proto */
+static int __pyx_pf_5_cdec_12SparseVector___init__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self); /* proto */
+static void __pyx_pf_5_cdec_12SparseVector_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_4copy(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_6__getitem__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, char *__pyx_v_fname); /* proto */
+static int __pyx_pf_5_cdec_12SparseVector_8__setitem__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, char *__pyx_v_fname, float __pyx_v_value); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_10__iter__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_13dot(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, PyObject *__pyx_v_other); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_15__richcmp__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_x, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_y, int __pyx_v_op); /* proto */
+static Py_ssize_t __pyx_pf_5_cdec_12SparseVector_17__len__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self); /* proto */
+static int __pyx_pf_5_cdec_12SparseVector_19__contains__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, char *__pyx_v_fname); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_21__neg__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_23__iadd__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_other); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_25__isub__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_other); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_27__imul__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, float __pyx_v_scalar); /* proto */
 #if PY_MAJOR_VERSION < 3
-static PyObject *__pyx_pf_5_cdec_12SparseVector_27__idiv__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, float __pyx_v_scalar); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_29__idiv__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, float __pyx_v_scalar); /* proto */
 #endif
-static PyObject *__pyx_pf_5_cdec_12SparseVector_29__add__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_x, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_y); /* proto */
-static PyObject *__pyx_pf_5_cdec_12SparseVector_31__sub__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_x, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_y); /* proto */
-static PyObject *__pyx_pf_5_cdec_12SparseVector_33__mul__(PyObject *__pyx_v_x, PyObject *__pyx_v_y); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_31__add__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_x, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_y); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_33__sub__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_x, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_y); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_35__mul__(PyObject *__pyx_v_x, PyObject *__pyx_v_y); /* proto */
 #if PY_MAJOR_VERSION < 3
-static PyObject *__pyx_pf_5_cdec_12SparseVector_35__div__(PyObject *__pyx_v_x, PyObject *__pyx_v_y); /* proto */
+static PyObject *__pyx_pf_5_cdec_12SparseVector_37__div__(PyObject *__pyx_v_x, PyObject *__pyx_v_y); /* proto */
 #endif
 static PyObject *__pyx_pf_5_cdec_7_phrase_genexpr(PyObject *__pyx_self); /* proto */
 static PyObject *__pyx_pf_5_cdec__phrase(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_phrase); /* proto */
@@ -1626,21 +1794,21 @@ static int __pyx_pf_5_cdec_5NTRef___init__(struct __pyx_obj_5_cdec_NTRef *__pyx_
 static PyObject *__pyx_pf_5_cdec_5NTRef_2__str__(struct __pyx_obj_5_cdec_NTRef *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_5_cdec_5NTRef_3ref___get__(struct __pyx_obj_5_cdec_NTRef *__pyx_v_self); /* proto */
 static int __pyx_pf_5_cdec_5NTRef_3ref_2__set__(struct __pyx_obj_5_cdec_NTRef *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static void __pyx_pf_5_cdec_9BaseTRule___dealloc__(CYTHON_UNUSED struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5_cdec_9BaseTRule_5arity___get__(struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5_cdec_9BaseTRule_1f___get__(struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self); /* proto */
-static int __pyx_pf_5_cdec_9BaseTRule_1f_2__set__(struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self, PyObject *__pyx_v_f); /* proto */
-static PyObject *__pyx_pf_5_cdec_9BaseTRule_1e___get__(struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self); /* proto */
-static int __pyx_pf_5_cdec_9BaseTRule_1e_2__set__(struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self, PyObject *__pyx_v_e); /* proto */
-static PyObject *__pyx_pf_5_cdec_9BaseTRule_1a___get__(struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self); /* proto */
-static int __pyx_pf_5_cdec_9BaseTRule_1a_3__set__(struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self, PyObject *__pyx_v_a); /* proto */
-static PyObject *__pyx_pf_5_cdec_9BaseTRule_6scores___get__(struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self); /* proto */
-static int __pyx_pf_5_cdec_9BaseTRule_6scores_2__set__(struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self, PyObject *__pyx_v_scores); /* proto */
-static PyObject *__pyx_pf_5_cdec_9BaseTRule_3lhs___get__(struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self); /* proto */
-static int __pyx_pf_5_cdec_9BaseTRule_3lhs_2__set__(struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self, PyObject *__pyx_v_lhs); /* proto */
-static PyObject *__pyx_pf_5_cdec_9BaseTRule_7__str___genexpr(PyObject *__pyx_self); /* proto */
-static PyObject *__pyx_pf_5_cdec_9BaseTRule_2__str__(struct __pyx_obj_5_cdec_BaseTRule *__pyx_v_self); /* proto */
-static int __pyx_pf_5_cdec_5TRule___cinit__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self, PyObject *__pyx_v_lhs, PyObject *__pyx_v_f, PyObject *__pyx_v_e, PyObject *__pyx_v_scores, PyObject *__pyx_v_a); /* proto */
+static int __pyx_pf_5_cdec_5TRule___init__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self, PyObject *__pyx_v_lhs, PyObject *__pyx_v_f, PyObject *__pyx_v_e, PyObject *__pyx_v_scores, PyObject *__pyx_v_a); /* proto */
+static void __pyx_pf_5_cdec_5TRule_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_5_cdec_TRule *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_cdec_5TRule_5arity___get__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_cdec_5TRule_1f___get__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self); /* proto */
+static int __pyx_pf_5_cdec_5TRule_1f_2__set__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self, PyObject *__pyx_v_f); /* proto */
+static PyObject *__pyx_pf_5_cdec_5TRule_1e___get__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self); /* proto */
+static int __pyx_pf_5_cdec_5TRule_1e_2__set__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self, PyObject *__pyx_v_e); /* proto */
+static PyObject *__pyx_pf_5_cdec_5TRule_1a___get__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self); /* proto */
+static int __pyx_pf_5_cdec_5TRule_1a_3__set__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self, PyObject *__pyx_v_a); /* proto */
+static PyObject *__pyx_pf_5_cdec_5TRule_6scores___get__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self); /* proto */
+static int __pyx_pf_5_cdec_5TRule_6scores_2__set__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self, PyObject *__pyx_v_scores); /* proto */
+static PyObject *__pyx_pf_5_cdec_5TRule_3lhs___get__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self); /* proto */
+static int __pyx_pf_5_cdec_5TRule_3lhs_2__set__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self, PyObject *__pyx_v_lhs); /* proto */
+static PyObject *__pyx_pf_5_cdec_5TRule_7__str___genexpr(PyObject *__pyx_self); /* proto */
+static PyObject *__pyx_pf_5_cdec_5TRule_4__str__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self); /* proto */
 static void __pyx_pf_5_cdec_7Grammar___dealloc__(CYTHON_UNUSED struct __pyx_obj_5_cdec_Grammar *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_5_cdec_7Grammar_2__iter__(struct __pyx_obj_5_cdec_Grammar *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_5_cdec_7Grammar_4name___get__(struct __pyx_obj_5_cdec_Grammar *__pyx_v_self); /* proto */
@@ -1680,12 +1848,12 @@ static PyObject *__pyx_pf_5_cdec_14HypergraphNode_4span___get__(struct __pyx_obj
 static PyObject *__pyx_pf_5_cdec_14HypergraphNode_3cat___get__(struct __pyx_obj_5_cdec_HypergraphNode *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_5_cdec_14HypergraphNode___richcmp__(struct __pyx_obj_5_cdec_HypergraphNode *__pyx_v_x, struct __pyx_obj_5_cdec_HypergraphNode *__pyx_v_y, int __pyx_v_op); /* proto */
 static int __pyx_pf_5_cdec_7Lattice___cinit__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self, PyObject *__pyx_v_inp); /* proto */
-static PyObject *__pyx_pf_5_cdec_7Lattice_2__getitem__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self, int __pyx_v_index); /* proto */
-static int __pyx_pf_5_cdec_7Lattice_4__setitem__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self, int __pyx_v_index, PyObject *__pyx_v_arcs); /* proto */
-static Py_ssize_t __pyx_pf_5_cdec_7Lattice_6__len__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5_cdec_7Lattice_8__str__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5_cdec_7Lattice_10__iter__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self); /* proto */
-static void __pyx_pf_5_cdec_7Lattice_13__dealloc__(CYTHON_UNUSED struct __pyx_obj_5_cdec_Lattice *__pyx_v_self); /* proto */
+static void __pyx_pf_5_cdec_7Lattice_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_5_cdec_Lattice *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_cdec_7Lattice_4__getitem__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self, int __pyx_v_index); /* proto */
+static int __pyx_pf_5_cdec_7Lattice_6__setitem__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self, int __pyx_v_index, PyObject *__pyx_v_arcs); /* proto */
+static Py_ssize_t __pyx_pf_5_cdec_7Lattice_8__len__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_cdec_7Lattice_10__str__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_cdec_7Lattice_12__iter__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_5_cdec_7Lattice_5todot_lines(PyObject *__pyx_self); /* proto */
 static PyObject *__pyx_pf_5_cdec_7Lattice_15todot(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_5_cdec_9Candidate_5words___get__(struct __pyx_obj_5_cdec_Candidate *__pyx_v_self); /* proto */
@@ -1760,8 +1928,10 @@ static char __pyx_k_48[] = "formalism \"%s\" unknown";
 static char __pyx_k_49[] = "cannot initialize weights with %s";
 static char __pyx_k_50[] = "#";
 static char __pyx_k_53[] = "Cannot translate input type %s";
-static char __pyx_k_56[] = "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi";
-static char __pyx_k_62[] = "/Users/vchahun/Sandbox/cdec/python/src/_cdec.pyx";
+static char __pyx_k_54[] = "cdec.sa._sa";
+static char __pyx_k_55[] = "*";
+static char __pyx_k_58[] = "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi";
+static char __pyx_k_64[] = "/Users/vchahun/Sandbox/cdec/python/src/_cdec.pyx";
 static char __pyx_k__a[] = "a";
 static char __pyx_k__e[] = "e";
 static char __pyx_k__f[] = "f";
@@ -1770,6 +1940,7 @@ static char __pyx_k__k[] = "k";
 static char __pyx_k__pb[] = "pb";
 static char __pyx_k__CER[] = "CER";
 static char __pyx_k__TER[] = "TER";
+static char __pyx_k___sa[] = "_sa";
 static char __pyx_k__cat[] = "cat";
 static char __pyx_k__dot[] = "dot";
 static char __pyx_k__fst[] = "fst";
@@ -1805,6 +1976,7 @@ static char __pyx_k__value[] = "value";
 static char __pyx_k__config[] = "config";
 static char __pyx_k__csplit[] = "csplit";
 static char __pyx_k__encode[] = "encode";
+static char __pyx_k__format[] = "format";
 static char __pyx_k__phrase[] = "phrase";
 static char __pyx_k__scores[] = "scores";
 static char __pyx_k__tagger[] = "tagger";
@@ -1840,10 +2012,10 @@ static char __pyx_k__config_str[] = "config_str";
 static char __pyx_k__hypergraph[] = "hypergraph";
 static char __pyx_k__startswith[] = "startswith";
 static char __pyx_k__ParseFailed[] = "ParseFailed";
+static char __pyx_k__PhraseModel_[] = "PhraseModel_";
 static char __pyx_k___make_config[] = "_make_config";
 static char __pyx_k__InvalidConfig[] = "InvalidConfig";
 static char __pyx_k__NotImplemented[] = "NotImplemented";
-static PyObject *__pyx_kp_s_1;
 static PyObject *__pyx_kp_s_10;
 static PyObject *__pyx_kp_s_11;
 static PyObject *__pyx_kp_s_12;
@@ -1874,8 +2046,10 @@ static PyObject *__pyx_kp_s_48;
 static PyObject *__pyx_kp_s_49;
 static PyObject *__pyx_kp_s_50;
 static PyObject *__pyx_kp_s_53;
-static PyObject *__pyx_kp_s_56;
-static PyObject *__pyx_kp_s_62;
+static PyObject *__pyx_n_s_54;
+static PyObject *__pyx_n_s_55;
+static PyObject *__pyx_kp_s_58;
+static PyObject *__pyx_kp_s_64;
 static PyObject *__pyx_kp_s_7;
 static PyObject *__pyx_kp_s_8;
 static PyObject *__pyx_kp_s_9;
@@ -1888,6 +2062,7 @@ static PyObject *__pyx_n_s__InvalidConfig;
 static PyObject *__pyx_n_s__KeyError;
 static PyObject *__pyx_n_s__NotImplemented;
 static PyObject *__pyx_n_s__ParseFailed;
+static PyObject *__pyx_n_s__PhraseModel_;
 static PyObject *__pyx_n_s__TER;
 static PyObject *__pyx_n_s__TypeError;
 static PyObject *__pyx_n_s__ValueError;
@@ -1900,6 +2075,7 @@ static PyObject *__pyx_n_s____test__;
 static PyObject *__pyx_n_s___cdec;
 static PyObject *__pyx_n_s___make_config;
 static PyObject *__pyx_n_s___phrase;
+static PyObject *__pyx_n_s___sa;
 static PyObject *__pyx_n_s__a;
 static PyObject *__pyx_n_s__beam_alpha;
 static PyObject *__pyx_n_s__cat;
@@ -1918,6 +2094,7 @@ static PyObject *__pyx_n_s__evaluate;
 static PyObject *__pyx_n_s__evaluator;
 static PyObject *__pyx_n_s__f;
 static PyObject *__pyx_n_s__formalism;
+static PyObject *__pyx_n_s__format;
 static PyObject *__pyx_n_s__fst;
 static PyObject *__pyx_n_s__genexpr;
 static PyObject *__pyx_n_s__get;
@@ -1962,6 +2139,7 @@ static PyObject *__pyx_n_s__value;
 static PyObject *__pyx_n_s__weight;
 static PyObject *__pyx_int_0;
 static PyObject *__pyx_int_1;
+static PyObject *__pyx_int_65536;
 static PyObject *__pyx_k_tuple_2;
 static PyObject *__pyx_k_tuple_5;
 static PyObject *__pyx_k_tuple_6;
@@ -1980,32 +2158,33 @@ static PyObject *__pyx_k_tuple_44;
 static PyObject *__pyx_k_tuple_47;
 static PyObject *__pyx_k_tuple_51;
 static PyObject *__pyx_k_tuple_52;
-static PyObject *__pyx_k_tuple_54;
-static PyObject *__pyx_k_tuple_57;
-static PyObject *__pyx_k_tuple_58;
+static PyObject *__pyx_k_tuple_56;
 static PyObject *__pyx_k_tuple_59;
 static PyObject *__pyx_k_tuple_60;
+static PyObject *__pyx_k_tuple_61;
+static PyObject *__pyx_k_tuple_62;
 static PyObject *__pyx_k_codeobj_37;
-static PyObject *__pyx_k_codeobj_55;
-static PyObject *__pyx_k_codeobj_61;
+static PyObject *__pyx_k_codeobj_57;
+static PyObject *__pyx_k_codeobj_63;
 
 /* "_cdec.pyx":6
  * cimport decoder
  * 
- * cdef char* as_str(data, error_msg='Cannot convert type %s to str'):             # <<<<<<<<<<<<<<
+ * cdef char* as_str(data, char* error_msg='Cannot convert type %s to str'):             # <<<<<<<<<<<<<<
  *     cdef bytes ret
  *     if isinstance(data, unicode):
  */
 
 static char *__pyx_f_5_cdec_as_str(PyObject *__pyx_v_data, struct __pyx_opt_args_5_cdec_as_str *__pyx_optional_args) {
-  PyObject *__pyx_v_error_msg = ((PyObject *)__pyx_kp_s_1);
+  char *__pyx_v_error_msg = ((char *)__pyx_k_1);
   PyObject *__pyx_v_ret = 0;
   char *__pyx_r;
   __Pyx_RefNannyDeclarations
   PyObject *__pyx_t_1 = NULL;
   int __pyx_t_2;
   PyObject *__pyx_t_3 = NULL;
-  char *__pyx_t_4;
+  PyObject *__pyx_t_4 = NULL;
+  char *__pyx_t_5;
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
@@ -2017,7 +2196,7 @@ static char *__pyx_f_5_cdec_as_str(PyObject *__pyx_v_data, struct __pyx_opt_args
   }
 
   /* "_cdec.pyx":8
- * cdef char* as_str(data, error_msg='Cannot convert type %s to str'):
+ * cdef char* as_str(data, char* error_msg='Cannot convert type %s to str'):
  *     cdef bytes ret
  *     if isinstance(data, unicode):             # <<<<<<<<<<<<<<
  *         ret = data.encode('utf8')
@@ -2065,7 +2244,7 @@ static char *__pyx_f_5_cdec_as_str(PyObject *__pyx_v_data, struct __pyx_opt_args
  *     elif isinstance(data, str):
  *         ret = data             # <<<<<<<<<<<<<<
  *     else:
- *         raise TypeError(error_msg % type(data))
+ *         raise TypeError(error_msg.format(type(data)))
  */
     if (!(likely(PyBytes_CheckExact(__pyx_v_data))||((__pyx_v_data) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected bytes, got %.200s", Py_TYPE(__pyx_v_data)->tp_name), 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_INCREF(__pyx_v_data);
@@ -2077,35 +2256,47 @@ static char *__pyx_f_5_cdec_as_str(PyObject *__pyx_v_data, struct __pyx_opt_args
     /* "_cdec.pyx":13
  *         ret = data
  *     else:
- *         raise TypeError(error_msg % type(data))             # <<<<<<<<<<<<<<
+ *         raise TypeError(error_msg.format(type(data)))             # <<<<<<<<<<<<<<
  *     return ret
  * 
  */
-    __pyx_t_3 = PyNumber_Remainder(__pyx_v_error_msg, ((PyObject *)Py_TYPE(__pyx_v_data))); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 13; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 13; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyBytes_FromString(__pyx_v_error_msg); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 13; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(((PyObject *)__pyx_t_3));
+    __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_t_3), __pyx_n_s__format); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 13; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_3);
-    __Pyx_GIVEREF(__pyx_t_3);
-    __pyx_t_3 = 0;
-    __pyx_t_3 = PyObject_Call(__pyx_builtin_TypeError, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 13; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":19
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":25
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":28
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-static PyObject *__pyx_pf_5_cdec_11DenseVector_11tosparse(struct __pyx_obj_5_cdec_DenseVector *__pyx_v_self) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":34
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+  __pyx_r = __pyx_pf_5_cdec_12SparseVector_8__setitem__(((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_self), ((char *)__pyx_v_fname), ((float)__pyx_v_value));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":50
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+static int __pyx_pf_5_cdec_12SparseVector_8__setitem__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, char *__pyx_v_fname, float __pyx_v_value) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":51
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":52
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+    __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":53
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+static PyObject *__pyx_gb_5_cdec_12SparseVector_12generator1(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
 
 /* Python wrapper */
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-/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":55
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-static PyObject *__pyx_pf_5_cdec_12SparseVector_8__iter__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self) {
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+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_5_cdec_12SparseVector_12generator1, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-static PyObject *__pyx_gb_5_cdec_12SparseVector_10generator1(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
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 {
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+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":56
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":58
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":59
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":60
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":61
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":63
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+  __pyx_r = __pyx_pf_5_cdec_12SparseVector_13dot(((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_self), ((PyObject *)__pyx_v_other));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":65
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-static PyObject *__pyx_pf_5_cdec_12SparseVector_11dot(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, PyObject *__pyx_v_other) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":66
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":67
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":68
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":69
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":73
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":74
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   int __pyx_clineno = 0;
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":86
+  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":98
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  *     def __neg__(self):
- *         cdef SparseVector result = SparseVector()             # <<<<<<<<<<<<<<
+ *         cdef SparseVector result = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
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-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_SparseVector)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_tp_new(((PyObject*)__pyx_ptype_5_cdec_SparseVector)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 98; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
+  if (!(likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5_cdec_SparseVector)))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 98; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_t_1 = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":87
+  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":99
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- *         cdef SparseVector result = SparseVector()
+ *         cdef SparseVector result = SparseVector.__new__(SparseVector)
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":88
- *         cdef SparseVector result = SparseVector()
+  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":100
+ *         cdef SparseVector result = SparseVector.__new__(SparseVector)
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  *         result.vector[0] *= -1.0             # <<<<<<<<<<<<<<
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@@ -3573,7 +3907,7 @@ static PyObject *__pyx_pf_5_cdec_12SparseVector_19__neg__(struct __pyx_obj_5_cde
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   (__pyx_v_result->vector[0]) *= -1.0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":89
+  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":101
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  *         return result             # <<<<<<<<<<<<<<
@@ -3599,13 +3933,13 @@ static PyObject *__pyx_pf_5_cdec_12SparseVector_19__neg__(struct __pyx_obj_5_cde
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 /* Python wrapper */
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-static PyObject *__pyx_pw_5_cdec_12SparseVector_22__iadd__(PyObject *__pyx_v_self, PyObject *__pyx_v_other) {
+static PyObject *__pyx_pw_5_cdec_12SparseVector_24__iadd__(PyObject *__pyx_v_self, PyObject *__pyx_v_other); /*proto*/
+static PyObject *__pyx_pw_5_cdec_12SparseVector_24__iadd__(PyObject *__pyx_v_self, PyObject *__pyx_v_other) {
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   __Pyx_RefNannySetupContext("__iadd__ (wrapper)", 0);
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-  __pyx_r = __pyx_pf_5_cdec_12SparseVector_21__iadd__(((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_self), ((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_other));
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_other), __pyx_ptype_5_cdec_SparseVector, 1, "other", 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 103; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_5_cdec_12SparseVector_23__iadd__(((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_self), ((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_other));
   goto __pyx_L0;
   __pyx_L1_error:;
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@@ -3614,7 +3948,7 @@ static PyObject *__pyx_pw_5_cdec_12SparseVector_22__iadd__(PyObject *__pyx_v_sel
   return __pyx_r;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":91
+/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":103
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-static PyObject *__pyx_pf_5_cdec_12SparseVector_21__iadd__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_other) {
+static PyObject *__pyx_pf_5_cdec_12SparseVector_23__iadd__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_other) {
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   __Pyx_RefNannySetupContext("__iadd__", 0);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":92
+  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":104
  * 
  *     def __iadd__(SparseVector self, SparseVector other):
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@@ -3636,7 +3970,7 @@ static PyObject *__pyx_pf_5_cdec_12SparseVector_21__iadd__(struct __pyx_obj_5_cd
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   (__pyx_v_self->vector[0]) += (__pyx_v_other->vector[0]);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":93
+  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":105
  *     def __iadd__(SparseVector self, SparseVector other):
  *         self.vector[0] += other.vector[0]
  *         return self             # <<<<<<<<<<<<<<
@@ -3656,13 +3990,13 @@ static PyObject *__pyx_pf_5_cdec_12SparseVector_21__iadd__(struct __pyx_obj_5_cd
 }
 
 /* Python wrapper */
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-static PyObject *__pyx_pw_5_cdec_12SparseVector_24__isub__(PyObject *__pyx_v_self, PyObject *__pyx_v_other) {
+static PyObject *__pyx_pw_5_cdec_12SparseVector_26__isub__(PyObject *__pyx_v_self, PyObject *__pyx_v_other); /*proto*/
+static PyObject *__pyx_pw_5_cdec_12SparseVector_26__isub__(PyObject *__pyx_v_self, PyObject *__pyx_v_other) {
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-  __pyx_r = __pyx_pf_5_cdec_12SparseVector_23__isub__(((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_self), ((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_other));
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_other), __pyx_ptype_5_cdec_SparseVector, 1, "other", 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_5_cdec_12SparseVector_25__isub__(((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_self), ((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_other));
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@@ -3671,7 +4005,7 @@ static PyObject *__pyx_pw_5_cdec_12SparseVector_24__isub__(PyObject *__pyx_v_sel
   return __pyx_r;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":95
+/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":107
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  * 
  *     def __isub__(SparseVector self, SparseVector other):             # <<<<<<<<<<<<<<
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-static PyObject *__pyx_pf_5_cdec_12SparseVector_23__isub__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_other) {
+static PyObject *__pyx_pf_5_cdec_12SparseVector_25__isub__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, struct __pyx_obj_5_cdec_SparseVector *__pyx_v_other) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":96
+  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":108
  * 
  *     def __isub__(SparseVector self, SparseVector other):
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   (__pyx_v_self->vector[0]) -= (__pyx_v_other->vector[0]);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":97
+  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":109
  *     def __isub__(SparseVector self, SparseVector other):
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  *         return self             # <<<<<<<<<<<<<<
@@ -3713,14 +4047,14 @@ static PyObject *__pyx_pf_5_cdec_12SparseVector_23__isub__(struct __pyx_obj_5_cd
 }
 
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-static PyObject *__pyx_pw_5_cdec_12SparseVector_26__imul__(PyObject *__pyx_v_self, PyObject *__pyx_arg_scalar) {
+static PyObject *__pyx_pw_5_cdec_12SparseVector_28__imul__(PyObject *__pyx_v_self, PyObject *__pyx_arg_scalar); /*proto*/
+static PyObject *__pyx_pw_5_cdec_12SparseVector_28__imul__(PyObject *__pyx_v_self, PyObject *__pyx_arg_scalar) {
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   __Pyx_RefNannySetupContext("__imul__ (wrapper)", 0);
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+    __pyx_v_scalar = __pyx_PyFloat_AsFloat(__pyx_arg_scalar); if (unlikely((__pyx_v_scalar == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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@@ -3728,12 +4062,12 @@ static PyObject *__pyx_pw_5_cdec_12SparseVector_26__imul__(PyObject *__pyx_v_sel
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+  __pyx_r = __pyx_pf_5_cdec_12SparseVector_27__imul__(((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_self), ((float)__pyx_v_scalar));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":99
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-static PyObject *__pyx_pf_5_cdec_12SparseVector_25__imul__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, float __pyx_v_scalar) {
+static PyObject *__pyx_pf_5_cdec_12SparseVector_27__imul__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, float __pyx_v_scalar) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":100
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  */
   (__pyx_v_self->vector[0]) *= __pyx_v_scalar;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":101
+  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":113
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@@ -3776,14 +4110,14 @@ static PyObject *__pyx_pf_5_cdec_12SparseVector_25__imul__(struct __pyx_obj_5_cd
 
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-static PyObject *__pyx_pw_5_cdec_12SparseVector_28__idiv__(PyObject *__pyx_v_self, PyObject *__pyx_arg_scalar) {
+static PyObject *__pyx_pw_5_cdec_12SparseVector_30__idiv__(PyObject *__pyx_v_self, PyObject *__pyx_arg_scalar); /*proto*/
+static PyObject *__pyx_pw_5_cdec_12SparseVector_30__idiv__(PyObject *__pyx_v_self, PyObject *__pyx_arg_scalar) {
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+    __pyx_v_scalar = __pyx_PyFloat_AsFloat(__pyx_arg_scalar); if (unlikely((__pyx_v_scalar == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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+  __pyx_r = __pyx_pf_5_cdec_12SparseVector_29__idiv__(((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_self), ((float)__pyx_v_scalar));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":103
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+static PyObject *__pyx_pf_5_cdec_12SparseVector_29__idiv__(struct __pyx_obj_5_cdec_SparseVector *__pyx_v_self, float __pyx_v_scalar) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":104
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   (__pyx_v_self->vector[0]) /= __pyx_v_scalar;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":105
+  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":117
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-static PyObject *__pyx_pw_5_cdec_12SparseVector_30__add__(PyObject *__pyx_v_x, PyObject *__pyx_v_y) {
+static PyObject *__pyx_pw_5_cdec_12SparseVector_32__add__(PyObject *__pyx_v_x, PyObject *__pyx_v_y); /*proto*/
+static PyObject *__pyx_pw_5_cdec_12SparseVector_32__add__(PyObject *__pyx_v_x, PyObject *__pyx_v_y) {
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   __Pyx_RefNannySetupContext("__add__ (wrapper)", 0);
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-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_y), __pyx_ptype_5_cdec_SparseVector, 1, "y", 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_x), __pyx_ptype_5_cdec_SparseVector, 1, "x", 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_y), __pyx_ptype_5_cdec_SparseVector, 1, "y", 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_5_cdec_12SparseVector_31__add__(((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_x), ((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_y));
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   return __pyx_r;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":107
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":45
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":46
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":47
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":54
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":81
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":83
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":87
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 /* Python wrapper */
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":93
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":94
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+  __pyx_r = __pyx_pf_5_cdec_5TRule_1a_3__set__(((struct __pyx_obj_5_cdec_TRule *)__pyx_v_self), ((PyObject *)__pyx_v_a));
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+static int __pyx_pf_5_cdec_5TRule_1a_3__set__(struct __pyx_obj_5_cdec_TRule *__pyx_v_self, PyObject *__pyx_v_a) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":98
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+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":153
+  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":176
  * 
  *     def __iter__(self):
- *         cdef grammar.GrammarIter* root = self.grammar.get().GetRoot()             # <<<<<<<<<<<<<<
- *         cdef grammar.RuleBin* rbin = root.GetRules()
+ *         cdef grammar.const_GrammarIter* root = self.grammar.get().GetRoot()             # <<<<<<<<<<<<<<
+ *         cdef grammar.const_RuleBin* rbin = root.GetRules()
  *         cdef TRule trule
  */
   __pyx_cur_scope->__pyx_v_root = __pyx_cur_scope->__pyx_v_self->grammar->get()->GetRoot();
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":154
+  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":177
  *     def __iter__(self):
- *         cdef grammar.GrammarIter* root = self.grammar.get().GetRoot()
- *         cdef grammar.RuleBin* rbin = root.GetRules()             # <<<<<<<<<<<<<<
+ *         cdef grammar.const_GrammarIter* root = self.grammar.get().GetRoot()
+ *         cdef grammar.const_RuleBin* rbin = root.GetRules()             # <<<<<<<<<<<<<<
  *         cdef TRule trule
  *         cdef unsigned i
  */
   __pyx_cur_scope->__pyx_v_rbin = __pyx_cur_scope->__pyx_v_root->GetRules();
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":157
+  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":180
  *         cdef TRule trule
  *         cdef unsigned i
  *         for i in range(rbin.GetNumRules()):             # <<<<<<<<<<<<<<
- *             trule = TRule()
+ *             trule = TRule.__new__(TRule)
  *             trule.rule = new shared_ptr[grammar.TRule](rbin.GetIthRule(i))
  */
   __pyx_t_1 = __pyx_cur_scope->__pyx_v_rbin->GetNumRules();
   for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_cur_scope->__pyx_v_i = __pyx_t_2;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":158
+    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":181
  *         cdef unsigned i
  *         for i in range(rbin.GetNumRules()):
- *             trule = TRule()             # <<<<<<<<<<<<<<
+ *             trule = TRule.__new__(TRule)             # <<<<<<<<<<<<<<
  *             trule.rule = new shared_ptr[grammar.TRule](rbin.GetIthRule(i))
  *             yield trule
  */
-    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_TRule)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 158; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = __Pyx_tp_new(((PyObject*)__pyx_ptype_5_cdec_TRule)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
+    if (!(likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_5_cdec_TRule)))) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_trule));
     __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_trule));
     __Pyx_GIVEREF(__pyx_t_3);
     __pyx_cur_scope->__pyx_v_trule = ((struct __pyx_obj_5_cdec_TRule *)__pyx_t_3);
     __pyx_t_3 = 0;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":159
+    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":182
  *         for i in range(rbin.GetNumRules()):
- *             trule = TRule()
+ *             trule = TRule.__new__(TRule)
  *             trule.rule = new shared_ptr[grammar.TRule](rbin.GetIthRule(i))             # <<<<<<<<<<<<<<
  *             yield trule
  * 
  */
-    __pyx_cur_scope->__pyx_v_trule->__pyx_base.rule = new boost::shared_ptr<TRule>(__pyx_cur_scope->__pyx_v_rbin->GetIthRule(__pyx_cur_scope->__pyx_v_i));
+    __pyx_cur_scope->__pyx_v_trule->rule = new boost::shared_ptr<TRule>(__pyx_cur_scope->__pyx_v_rbin->GetIthRule(__pyx_cur_scope->__pyx_v_i));
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":160
- *             trule = TRule()
+    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":183
+ *             trule = TRule.__new__(TRule)
  *             trule.rule = new shared_ptr[grammar.TRule](rbin.GetIthRule(i))
  *             yield trule             # <<<<<<<<<<<<<<
  * 
@@ -7199,7 +7945,7 @@ static PyObject *__pyx_gb_5_cdec_7Grammar_4generator3(__pyx_GeneratorObject *__p
     __pyx_L6_resume_from_yield:;
     __pyx_t_1 = __pyx_cur_scope->__pyx_t_0;
     __pyx_t_2 = __pyx_cur_scope->__pyx_t_1;
-    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 160; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 183; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   PyErr_SetNone(PyExc_StopIteration);
   goto __pyx_L0;
@@ -7209,6 +7955,7 @@ static PyObject *__pyx_gb_5_cdec_7Grammar_4generator3(__pyx_GeneratorObject *__p
   __pyx_L0:;
   __Pyx_XDECREF(__pyx_r);
   __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
   __Pyx_RefNannyFinishContext();
   return NULL;
 }
@@ -7224,7 +7971,7 @@ static PyObject *__pyx_pw_5_cdec_7Grammar_4name_1__get__(PyObject *__pyx_v_self)
   return __pyx_r;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":163
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":186
  * 
  *     property name:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -7237,7 +7984,7 @@ static PyObject *__pyx_pf_5_cdec_7Grammar_4name___get__(struct __pyx_obj_5_cdec_
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":164
+  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":187
  *     property name:
  *         def __get__(self):
  *             self.grammar.get().GetGrammarName().c_str()             # <<<<<<<<<<<<<<
@@ -7263,7 +8010,7 @@ static int __pyx_pw_5_cdec_7Grammar_4name_3__set__(PyObject *__pyx_v_self, PyObj
   return __pyx_r;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":166
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":189
  *             self.grammar.get().GetGrammarName().c_str()
  * 
  *         def __set__(self, name):             # <<<<<<<<<<<<<<
@@ -7280,14 +8027,14 @@ static int __pyx_pf_5_cdec_7Grammar_4name_2__set__(struct __pyx_obj_5_cdec_Gramm
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__set__", 0);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":167
+  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":190
  * 
  *         def __set__(self, name):
  *             self.grammar.get().SetGrammarName(string(<char *>name))             # <<<<<<<<<<<<<<
  * 
  * cdef class TextGrammar(Grammar):
  */
-  __pyx_t_1 = PyBytes_AsString(__pyx_v_name); if (unlikely((!__pyx_t_1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyBytes_AsString(__pyx_v_name); if (unlikely((!__pyx_t_1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_self->grammar->get()->SetGrammarName(std::string(((char *)__pyx_t_1)));
 
   __pyx_r = 0;
@@ -7304,11 +8051,11 @@ static int __pyx_pf_5_cdec_7Grammar_4name_2__set__(struct __pyx_obj_5_cdec_Gramm
 static int __pyx_pw_5_cdec_11TextGrammar_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
 static int __pyx_pw_5_cdec_11TextGrammar_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   PyObject *__pyx_v_rules = 0;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__rules,0};
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__rules,0};
     PyObject* values[1] = {0};
     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
@@ -7321,12 +8068,11 @@ static int __pyx_pw_5_cdec_11TextGrammar_1__cinit__(PyObject *__pyx_v_self, PyOb
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__rules);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__rules)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 170; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else if (PyTuple_GET_SIZE(__pyx_args) != 1) {
       goto __pyx_L5_argtuple_error;
@@ -7337,7 +8083,7 @@ static int __pyx_pw_5_cdec_11TextGrammar_1__cinit__(PyObject *__pyx_v_self, PyOb
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 1, 1, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[2]; __pyx_lineno = 170; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 1, 1, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[2]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_cdec.TextGrammar.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -7348,7 +8094,7 @@ static int __pyx_pw_5_cdec_11TextGrammar_1__cinit__(PyObject *__pyx_v_self, PyOb
   return __pyx_r;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":170
+/* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":193
  * 
  * cdef class TextGrammar(Grammar):
  *     def __cinit__(self, rules):             # <<<<<<<<<<<<<<
@@ -7366,13 +8112,14 @@ static int __pyx_pf_5_cdec_11TextGrammar___cinit__(struct __pyx_obj_5_cdec_TextG
   PyObject *(*__pyx_t_3)(PyObject *);
   PyObject *__pyx_t_4 = NULL;
   int __pyx_t_5;
-  int __pyx_t_6;
+  PyObject *__pyx_t_6 = NULL;
+  int __pyx_t_7;
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":171
+  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":194
  * cdef class TextGrammar(Grammar):
  *     def __cinit__(self, rules):
  *         self.grammar = new shared_ptr[grammar.Grammar](new grammar.TextGrammar())             # <<<<<<<<<<<<<<
@@ -7381,43 +8128,51 @@ static int __pyx_pf_5_cdec_11TextGrammar___cinit__(struct __pyx_obj_5_cdec_TextG
  */
   __pyx_v_self->__pyx_base.grammar = new boost::shared_ptr<Grammar>(new TextGrammar());
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":172
+  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":195
  *     def __cinit__(self, rules):
  *         self.grammar = new shared_ptr[grammar.Grammar](new grammar.TextGrammar())
  *         cdef grammar.TextGrammar* _g = <grammar.TextGrammar*> self.grammar.get()             # <<<<<<<<<<<<<<
  *         for trule in rules:
- *             if not isinstance(trule, BaseTRule):
+ *             if isinstance(trule, _sa.Rule):
  */
   __pyx_v__g = ((TextGrammar *)__pyx_v_self->__pyx_base.grammar->get());
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":173
+  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":196
  *         self.grammar = new shared_ptr[grammar.Grammar](new grammar.TextGrammar())
  *         cdef grammar.TextGrammar* _g = <grammar.TextGrammar*> self.grammar.get()
  *         for trule in rules:             # <<<<<<<<<<<<<<
- *             if not isinstance(trule, BaseTRule):
- *                 raise ValueError('the grammar should contain TRule objects')
+ *             if isinstance(trule, _sa.Rule):
+ *                 trule = convert_rule(trule)
  */
   if (PyList_CheckExact(__pyx_v_rules) || PyTuple_CheckExact(__pyx_v_rules)) {
     __pyx_t_1 = __pyx_v_rules; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
     __pyx_t_3 = NULL;
   } else {
-    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_rules); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_rules); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
   }
   for (;;) {
     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else {
       __pyx_t_4 = __pyx_t_3(__pyx_t_1);
       if (unlikely(!__pyx_t_4)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[2]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[2]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -7427,41 +8182,73 @@ static int __pyx_pf_5_cdec_11TextGrammar___cinit__(struct __pyx_obj_5_cdec_TextG
     __pyx_v_trule = __pyx_t_4;
     __pyx_t_4 = 0;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":174
+    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":197
  *         cdef grammar.TextGrammar* _g = <grammar.TextGrammar*> self.grammar.get()
  *         for trule in rules:
- *             if not isinstance(trule, BaseTRule):             # <<<<<<<<<<<<<<
- *                 raise ValueError('the grammar should contain TRule objects')
- *             _g.AddRule((<BaseTRule> trule).rule[0])
+ *             if isinstance(trule, _sa.Rule):             # <<<<<<<<<<<<<<
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+ *             elif not isinstance(trule, TRule):
  */
-    __pyx_t_4 = ((PyObject *)((PyObject*)__pyx_ptype_5_cdec_BaseTRule));
+    __pyx_t_4 = ((PyObject *)((PyObject*)__pyx_ptype_4cdec_2sa_3_sa_Rule));
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     __pyx_t_5 = __Pyx_TypeCheck(__pyx_v_trule, __pyx_t_4); 
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_6 = (!__pyx_t_5);
-    if (__pyx_t_6) {
+    if (__pyx_t_5) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":175
+      /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":198
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- *                 raise ValueError('the grammar should contain TRule objects')             # <<<<<<<<<<<<<<
- *             _g.AddRule((<BaseTRule> trule).rule[0])
+ *             if isinstance(trule, _sa.Rule):
+ *                 trule = convert_rule(trule)             # <<<<<<<<<<<<<<
+ *             elif not isinstance(trule, TRule):
+ *                 raise ValueError('the grammar should contain TRule objects')
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-      __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_14), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_4);
-      __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+      if (!(likely(((__pyx_v_trule) == Py_None) || likely(__Pyx_TypeTest(__pyx_v_trule, __pyx_ptype_4cdec_2sa_3_sa_Rule))))) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 198; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = __pyx_v_trule;
+      __Pyx_INCREF(__pyx_t_4);
+      __pyx_t_6 = ((PyObject *)__pyx_f_5_cdec_convert_rule(((struct __pyx_obj_4cdec_2sa_3_sa_Rule *)__pyx_t_4))); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 198; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_6);
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-      {__pyx_filename = __pyx_f[2]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_v_trule);
+      __pyx_v_trule = __pyx_t_6;
+      __pyx_t_6 = 0;
+      goto __pyx_L5;
+    }
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":199
+ *             if isinstance(trule, _sa.Rule):
+ *                 trule = convert_rule(trule)
+ *             elif not isinstance(trule, TRule):             # <<<<<<<<<<<<<<
+ *                 raise ValueError('the grammar should contain TRule objects')
+ *             _g.AddRule((<TRule> trule).rule[0])
+ */
+    __pyx_t_6 = ((PyObject *)((PyObject*)__pyx_ptype_5_cdec_TRule));
+    __Pyx_INCREF(__pyx_t_6);
+    __pyx_t_5 = __Pyx_TypeCheck(__pyx_v_trule, __pyx_t_6); 
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __pyx_t_7 = (!__pyx_t_5);
+    if (__pyx_t_7) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":200
+ *                 trule = convert_rule(trule)
+ *             elif not isinstance(trule, TRule):
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+      __Pyx_Raise(__pyx_t_6, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":176
- *             if not isinstance(trule, BaseTRule):
+    /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":201
+ *             elif not isinstance(trule, TRule):
  *                 raise ValueError('the grammar should contain TRule objects')
- *             _g.AddRule((<BaseTRule> trule).rule[0])             # <<<<<<<<<<<<<<
+ *             _g.AddRule((<TRule> trule).rule[0])             # <<<<<<<<<<<<<<
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-    __pyx_v__g->AddRule((((struct __pyx_obj_5_cdec_BaseTRule *)__pyx_v_trule)->rule[0]));
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  * 
  *     def viterbi_features(self):             # <<<<<<<<<<<<<<
- *         cdef SparseVector fmap = SparseVector()
+ *         cdef SparseVector fmap = SparseVector.__new__(SparseVector)
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@@ -7755,18 +8543,19 @@ static PyObject *__pyx_pf_5_cdec_10Hypergraph_6viterbi_features(struct __pyx_obj
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   /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":26
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 }
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   __pyx_generator->resume_label = -1;
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@@ -8504,7 +9295,7 @@ static PyObject *__pyx_gb_5_cdec_10Hypergraph_18generator6(__pyx_GeneratorObject
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       /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":72
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-  unsigned int __pyx_t_3;
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  *         cdef unsigned k
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-  LogVal<double> __pyx_v_z;
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- *         cdef SparseVector vector = SparseVector()
+ *         cdef SparseVector vector = SparseVector.__new__(SparseVector)
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- *         cdef FastSparseVector[LogVal[double]]* result = new FastSparseVector[LogVal[double]]()
- *         cdef LogVal[double] z = hypergraph.InsideOutside(self.hg[0], result)
+ *         cdef FastSparseVector[prob_t]* result = new FastSparseVector[prob_t]()
+ *         cdef prob_t z = hypergraph.InsideOutside(self.hg[0], result)
  *         result[0] /= z             # <<<<<<<<<<<<<<
- *         cdef SparseVector vector = SparseVector()
+ *         cdef SparseVector vector = SparseVector.__new__(SparseVector)
  *         vector.vector = new FastSparseVector[double]()
  */
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   /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":136
- *         cdef LogVal[double] z = hypergraph.InsideOutside(self.hg[0], result)
+ *         cdef prob_t z = hypergraph.InsideOutside(self.hg[0], result)
  *         result[0] /= z
- *         cdef SparseVector vector = SparseVector()             # <<<<<<<<<<<<<<
+ *         cdef SparseVector vector = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
  *         vector.vector = new FastSparseVector[double]()
- *         cdef FastSparseVector[LogVal[double]].const_iterator* it = new FastSparseVector[LogVal[double]].const_iterator(result[0], False)
+ *         cdef FastSparseVector[prob_t].const_iterator* it = new FastSparseVector[prob_t].const_iterator(result[0], False)
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_SparseVector)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 136; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_tp_new(((PyObject*)__pyx_ptype_5_cdec_SparseVector)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 136; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
+  if (!(likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5_cdec_SparseVector)))) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 136; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":137
  *         result[0] /= z
- *         cdef SparseVector vector = SparseVector()
+ *         cdef SparseVector vector = SparseVector.__new__(SparseVector)
  *         vector.vector = new FastSparseVector[double]()             # <<<<<<<<<<<<<<
- *         cdef FastSparseVector[LogVal[double]].const_iterator* it = new FastSparseVector[LogVal[double]].const_iterator(result[0], False)
+ *         cdef FastSparseVector[prob_t].const_iterator* it = new FastSparseVector[prob_t].const_iterator(result[0], False)
  *         cdef unsigned i
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   /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":138
- *         cdef SparseVector vector = SparseVector()
+ *         cdef SparseVector vector = SparseVector.__new__(SparseVector)
  *         vector.vector = new FastSparseVector[double]()
- *         cdef FastSparseVector[LogVal[double]].const_iterator* it = new FastSparseVector[LogVal[double]].const_iterator(result[0], False)             # <<<<<<<<<<<<<<
+ *         cdef FastSparseVector[prob_t].const_iterator* it = new FastSparseVector[prob_t].const_iterator(result[0], False)             # <<<<<<<<<<<<<<
  *         cdef unsigned i
  *         for i in range(result.size()):
  */
-  __pyx_v_it = new FastSparseVector<LogVal<double> >::const_iterator((__pyx_v_result[0]), 0);
+  __pyx_v_it = new FastSparseVector<prob_t>::const_iterator((__pyx_v_result[0]), 0);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":140
- *         cdef FastSparseVector[LogVal[double]].const_iterator* it = new FastSparseVector[LogVal[double]].const_iterator(result[0], False)
+ *         cdef FastSparseVector[prob_t].const_iterator* it = new FastSparseVector[prob_t].const_iterator(result[0], False)
  *         cdef unsigned i
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@@ -9817,7 +10616,7 @@ static PyObject *__pyx_pf_5_cdec_10Hypergraph_30inside_outside(struct __pyx_obj_
 }
 
 /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":152
- *     cdef public BaseTRule trule
+ *     cdef public TRule trule
  * 
  *     cdef init(self, hypergraph.Hypergraph* hg, unsigned i):             # <<<<<<<<<<<<<<
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@@ -9838,7 +10637,7 @@ static PyObject *__pyx_f_5_cdec_14HypergraphEdge_init(struct __pyx_obj_5_cdec_Hy
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  *         self.hg = hg             # <<<<<<<<<<<<<<
  *         self.edge = &hg.edges_[i]
- *         self.trule = BaseTRule()
+ *         self.trule = TRule.__new__(TRule)
  */
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@@ -9846,7 +10645,7 @@ static PyObject *__pyx_f_5_cdec_14HypergraphEdge_init(struct __pyx_obj_5_cdec_Hy
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  *         self.hg = hg
  *         self.edge = &hg.edges_[i]             # <<<<<<<<<<<<<<
- *         self.trule = BaseTRule()
+ *         self.trule = TRule.__new__(TRule)
  *         self.trule.rule = new shared_ptr[grammar.TRule](self.edge.rule_)
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@@ -9854,21 +10653,22 @@ static PyObject *__pyx_f_5_cdec_14HypergraphEdge_init(struct __pyx_obj_5_cdec_Hy
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  *         self.hg = hg
  *         self.edge = &hg.edges_[i]
- *         self.trule = BaseTRule()             # <<<<<<<<<<<<<<
+ *         self.trule = TRule.__new__(TRule)             # <<<<<<<<<<<<<<
  *         self.trule.rule = new shared_ptr[grammar.TRule](self.edge.rule_)
  *         return self
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+  __pyx_t_1 = __Pyx_tp_new(((PyObject*)__pyx_ptype_5_cdec_TRule)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 155; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  if (!(likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5_cdec_TRule)))) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 155; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_v_self->trule = ((struct __pyx_obj_5_cdec_BaseTRule *)__pyx_t_1);
+  __pyx_v_self->trule = ((struct __pyx_obj_5_cdec_TRule *)__pyx_t_1);
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   /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":156
  *         self.edge = &hg.edges_[i]
- *         self.trule = BaseTRule()
+ *         self.trule = TRule.__new__(TRule)
  *         self.trule.rule = new shared_ptr[grammar.TRule](self.edge.rule_)             # <<<<<<<<<<<<<<
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   /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":157
- *         self.trule = BaseTRule()
+ *         self.trule = TRule.__new__(TRule)
  *         self.trule.rule = new shared_ptr[grammar.TRule](self.edge.rule_)
  *         return self             # <<<<<<<<<<<<<<
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   __pyx_L0:;
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   __pyx_generator->resume_label = -1;
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  * 
  *     property feature_values:
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- *             cdef SparseVector vector = SparseVector()
+ *             cdef SparseVector vector = SparseVector.__new__(SparseVector)
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@@ -10224,18 +11025,19 @@ static PyObject *__pyx_pf_5_cdec_14HypergraphEdge_14feature_values___get__(struc
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  *         def __get__(self):
- *             cdef SparseVector vector = SparseVector()             # <<<<<<<<<<<<<<
+ *             cdef SparseVector vector = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
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+  __pyx_t_1 = __Pyx_tp_new(((PyObject*)__pyx_ptype_5_cdec_SparseVector)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 178; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
+  if (!(likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5_cdec_SparseVector)))) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 178; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":179
  *         def __get__(self):
- *             cdef SparseVector vector = SparseVector()
+ *             cdef SparseVector vector = SparseVector.__new__(SparseVector)
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   /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":180
- *             cdef SparseVector vector = SparseVector()
+ *             cdef SparseVector vector = SparseVector.__new__(SparseVector)
  *             vector.vector = new FastSparseVector[double](self.edge.feature_values_)
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 /* "/Users/vchahun/Sandbox/cdec/python/src/hypergraph.pxi":150
  *     cdef hypergraph.Hypergraph* hg
  *     cdef hypergraph.HypergraphEdge* edge
- *     cdef public BaseTRule trule             # <<<<<<<<<<<<<<
+ *     cdef public TRule trule             # <<<<<<<<<<<<<<
  * 
  *     cdef init(self, hypergraph.Hypergraph* hg, unsigned i):
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+  if (!(likely(((__pyx_v_value) == Py_None) || likely(__Pyx_TypeTest(__pyx_v_value, __pyx_ptype_5_cdec_TRule))))) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_DECREF(((PyObject *)__pyx_v_self->trule));
-  __pyx_v_self->trule = ((struct __pyx_obj_5_cdec_BaseTRule *)__pyx_v_value);
+  __pyx_v_self->trule = ((struct __pyx_obj_5_cdec_TRule *)__pyx_v_value);
 
   __pyx_r = 0;
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@@ -10532,7 +11334,7 @@ static int __pyx_pf_5_cdec_14HypergraphEdge_5trule_4__del__(struct __pyx_obj_5_c
   __Pyx_GIVEREF(Py_None);
   __Pyx_GOTREF(__pyx_v_self->trule);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->trule));
-  __pyx_v_self->trule = ((struct __pyx_obj_5_cdec_BaseTRule *)Py_None);
+  __pyx_v_self->trule = ((struct __pyx_obj_5_cdec_TRule *)Py_None);
 
   __pyx_r = 0;
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@@ -10711,6 +11513,7 @@ static PyObject *__pyx_gb_5_cdec_14HypergraphNode_8in_edges_2generator11(__pyx_G
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   __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
   __Pyx_RefNannyFinishContext();
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 }
@@ -10837,6 +11640,7 @@ static PyObject *__pyx_gb_5_cdec_14HypergraphNode_9out_edges_2generator12(__pyx_
   __pyx_L0:;
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   __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
   __Pyx_RefNannyFinishContext();
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 }
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 static int __pyx_pw_5_cdec_7Lattice_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
 static int __pyx_pw_5_cdec_7Lattice_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
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         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__inp);
-        if (likely(values[0])) kw_args--;
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+        #endif
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         __pyx_t_6 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_3); __Pyx_INCREF(__pyx_t_6); __pyx_t_3++;
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+        #endif
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  *             lattice.ConvertTextToLattice(string(<char *>inp), self.lattice)             # <<<<<<<<<<<<<<
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- *     def __getitem__(self, int index):
+ *     def __dealloc__(self):
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 /* Python wrapper */
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-static PyObject *__pyx_pw_5_cdec_7Lattice_3__getitem__(PyObject *__pyx_v_self, PyObject *__pyx_arg_index) {
+static void __pyx_pw_5_cdec_7Lattice_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
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+}
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+/* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":19
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+ * 
+ *     def __dealloc__(self):             # <<<<<<<<<<<<<<
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+ * 
+ */
+
+static void __pyx_pf_5_cdec_7Lattice_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_5_cdec_Lattice *__pyx_v_self) {
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+/* Python wrapper */
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-/* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":19
- *             lattice.ConvertTextToLattice(string(<char *>inp), self.lattice)
+/* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":22
+ *         del self.lattice
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  *     def __getitem__(self, int index):             # <<<<<<<<<<<<<<
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-static PyObject *__pyx_pf_5_cdec_7Lattice_2__getitem__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self, int __pyx_v_index) {
+static PyObject *__pyx_pf_5_cdec_7Lattice_4__getitem__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self, int __pyx_v_index) {
   PyObject *__pyx_v_arcs = NULL;
   std::vector<LatticeArc> __pyx_v_arc_vector;
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@@ -11406,7 +12250,7 @@ static PyObject *__pyx_pf_5_cdec_7Lattice_2__getitem__(struct __pyx_obj_5_cdec_L
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   __Pyx_RefNannySetupContext("__getitem__", 0);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":20
+  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":23
  * 
  *     def __getitem__(self, int index):
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+    __pyx_t_2 = PyObject_Length(((PyObject *)__pyx_v_self)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 23; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":21
+    /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":24
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  *             raise IndexError('lattice index out of range')             # <<<<<<<<<<<<<<
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+    __pyx_t_4 = PyObject_Call(__pyx_builtin_IndexError, ((PyObject *)__pyx_k_tuple_24), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    {__pyx_filename = __pyx_f[4]; __pyx_lineno = 21; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[4]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     goto __pyx_L3;
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":22
+  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":25
  *         if not 0 <= index < len(self):
  *             raise IndexError('lattice index out of range')
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  *         cdef lattice.LatticeArc* arc
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-  __pyx_t_4 = PyList_New(0); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 22; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyList_New(0); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 25; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_v_arcs = __pyx_t_4;
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":23
+  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":26
  *             raise IndexError('lattice index out of range')
  *         arcs = []
  *         cdef vector[lattice.LatticeArc] arc_vector = self.lattice[0][index]             # <<<<<<<<<<<<<<
@@ -11458,7 +12302,7 @@ static PyObject *__pyx_pf_5_cdec_7Lattice_2__getitem__(struct __pyx_obj_5_cdec_L
  */
   __pyx_v_arc_vector = ((__pyx_v_self->lattice[0])[__pyx_v_index]);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":26
+  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":29
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  *         cdef unsigned i
  *         for i in range(arc_vector.size()):             # <<<<<<<<<<<<<<
@@ -11469,7 +12313,7 @@ static PyObject *__pyx_pf_5_cdec_7Lattice_2__getitem__(struct __pyx_obj_5_cdec_L
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":27
+    /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":30
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@@ -11478,16 +12322,16 @@ static PyObject *__pyx_pf_5_cdec_7Lattice_2__getitem__(struct __pyx_obj_5_cdec_L
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":28
+    /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":31
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+    __pyx_t_4 = PyBytes_FromString(TD::Convert(__pyx_v_arc->label)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __pyx_t_7 = PyTuple_New(2); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_7 = PyTuple_New(2); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -11495,25 +12339,25 @@ static PyObject *__pyx_pf_5_cdec_7Lattice_2__getitem__(struct __pyx_obj_5_cdec_L
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+    __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)(&PyUnicode_Type))), ((PyObject *)__pyx_t_7), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":29
+    /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":32
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-    __pyx_t_4 = PyFloat_FromDouble(__pyx_v_arc->cost); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 29; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyFloat_FromDouble(__pyx_v_arc->cost); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_7 = PyInt_FromLong(__pyx_v_arc->dist2next); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 29; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_7 = PyInt_FromLong(__pyx_v_arc->dist2next); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __pyx_t_8 = PyTuple_New(3); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 29; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = PyTuple_New(3); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -11524,11 +12368,11 @@ static PyObject *__pyx_pf_5_cdec_7Lattice_2__getitem__(struct __pyx_obj_5_cdec_L
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     __pyx_t_7 = 0;
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+    __pyx_t_9 = PyList_Append(__pyx_v_arcs, ((PyObject *)__pyx_t_8)); if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":30
+  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":33
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  *             arcs.append((label, arc.cost, arc.dist2next))
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@@ -11536,7 +12380,7 @@ static PyObject *__pyx_pf_5_cdec_7Lattice_2__getitem__(struct __pyx_obj_5_cdec_L
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-  __pyx_t_8 = ((PyObject *)PyList_AsTuple(__pyx_v_arcs)); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_8 = ((PyObject *)PyList_AsTuple(__pyx_v_arcs)); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 33; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_r = ((PyObject *)__pyx_t_8);
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@@ -11559,14 +12403,14 @@ static PyObject *__pyx_pf_5_cdec_7Lattice_2__getitem__(struct __pyx_obj_5_cdec_L
 }
 
 /* Python wrapper */
-static int __pyx_pw_5_cdec_7Lattice_5__setitem__(PyObject *__pyx_v_self, PyObject *__pyx_arg_index, PyObject *__pyx_v_arcs); /*proto*/
-static int __pyx_pw_5_cdec_7Lattice_5__setitem__(PyObject *__pyx_v_self, PyObject *__pyx_arg_index, PyObject *__pyx_v_arcs) {
+static int __pyx_pw_5_cdec_7Lattice_7__setitem__(PyObject *__pyx_v_self, PyObject *__pyx_arg_index, PyObject *__pyx_v_arcs); /*proto*/
+static int __pyx_pw_5_cdec_7Lattice_7__setitem__(PyObject *__pyx_v_self, PyObject *__pyx_arg_index, PyObject *__pyx_v_arcs) {
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   int __pyx_r;
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   __Pyx_RefNannySetupContext("__setitem__ (wrapper)", 0);
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+    __pyx_v_index = __Pyx_PyInt_AsInt(__pyx_arg_index); if (unlikely((__pyx_v_index == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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   goto __pyx_L4_argument_unpacking_done;
   __pyx_L3_error:;
@@ -11574,8 +12418,8 @@ static int __pyx_pw_5_cdec_7Lattice_5__setitem__(PyObject *__pyx_v_self, PyObjec
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-  __pyx_r = __pyx_pf_5_cdec_7Lattice_4__setitem__(((struct __pyx_obj_5_cdec_Lattice *)__pyx_v_self), ((int)__pyx_v_index), ((PyObject*)__pyx_v_arcs));
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_arcs), (&PyTuple_Type), 1, "arcs", 1))) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_5_cdec_7Lattice_6__setitem__(((struct __pyx_obj_5_cdec_Lattice *)__pyx_v_self), ((int)__pyx_v_index), ((PyObject*)__pyx_v_arcs));
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   __pyx_L1_error:;
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@@ -11584,7 +12428,7 @@ static int __pyx_pw_5_cdec_7Lattice_5__setitem__(PyObject *__pyx_v_self, PyObjec
   return __pyx_r;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":32
+/* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":35
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  * 
  *     def __setitem__(self, int index, tuple arcs):             # <<<<<<<<<<<<<<
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-static int __pyx_pf_5_cdec_7Lattice_4__setitem__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self, int __pyx_v_index, PyObject *__pyx_v_arcs) {
+static int __pyx_pf_5_cdec_7Lattice_6__setitem__(struct __pyx_obj_5_cdec_Lattice *__pyx_v_self, int __pyx_v_index, PyObject *__pyx_v_arcs) {
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@@ -11617,7 +12461,7 @@ static int __pyx_pf_5_cdec_7Lattice_4__setitem__(struct __pyx_obj_5_cdec_Lattice
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":33
+  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":36
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+    __pyx_t_2 = PyObject_Length(((PyObject *)__pyx_v_self)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 36; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_t_3 = (!__pyx_t_1);
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":34
+    /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":37
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+    __pyx_t_4 = PyObject_Call(__pyx_builtin_IndexError, ((PyObject *)__pyx_k_tuple_25), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 37; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    {__pyx_filename = __pyx_f[4]; __pyx_lineno = 34; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[4]; __pyx_lineno = 37; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     goto __pyx_L3;
   }
   __pyx_L3:;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":36
+  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":39
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+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
+    {__pyx_filename = __pyx_f[4]; __pyx_lineno = 39; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   for (;;) {
     if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_4)) break;
+    #if CYTHON_COMPILING_IN_CPYTHON
     __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
+    #else
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+    #endif
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":37
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":47
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":52
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-/* Python wrapper */
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 static PyObject *__pyx_pw_5_cdec_7Lattice_16todot(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
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+      #if CYTHON_COMPILING_IN_CPYTHON
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+  __pyx_t_1 = __Pyx_tp_new(((PyObject*)__pyx_ptype_5_cdec_SparseVector)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 22; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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 static int __pyx_pw_5_cdec_6Scorer_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
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 static PyObject *__pyx_pw_5_cdec_6Scorer_5__call__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
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-  __pyx_t_7 = PyList_GET_SIZE(((PyObject *)__pyx_v_ss)); 
+  __pyx_t_7 = PyList_GET_SIZE(((PyObject *)__pyx_v_ss)); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 169; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_7 = PyList_GET_SIZE(((PyObject *)__pyx_v_ss)); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 170; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -14980,6 +15846,10 @@ static void __pyx_f_5_cdec__compute_sufficient_stats(void *__pyx_v_metric_, std:
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+          __pyx_t_8 = NULL;
           __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
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-          if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_StopIteration)) PyErr_Clear();
-          if (!PyErr_Occurred()) __Pyx_RaiseNeedMoreValuesError(index);
+          __pyx_t_8 = NULL;
+          if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
           {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -15700,10 +16596,18 @@ static PyObject *__pyx_gb_5_cdec_4generator16(__pyx_GeneratorObject *__pyx_gener
       for (;;) {
         if (!__pyx_t_11 && PyList_CheckExact(__pyx_t_2)) {
           if (__pyx_t_10 >= PyList_GET_SIZE(__pyx_t_2)) break;
+          #if CYTHON_COMPILING_IN_CPYTHON
           __pyx_t_6 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_10); __Pyx_INCREF(__pyx_t_6); __pyx_t_10++;
+          #else
+          __pyx_t_6 = PySequence_ITEM(__pyx_t_2, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 34; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+          #endif
         } else if (!__pyx_t_11 && PyTuple_CheckExact(__pyx_t_2)) {
           if (__pyx_t_10 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
+          #if CYTHON_COMPILING_IN_CPYTHON
           __pyx_t_6 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_10); __Pyx_INCREF(__pyx_t_6); __pyx_t_10++;
+          #else
+          __pyx_t_6 = PySequence_ITEM(__pyx_t_2, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 34; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+          #endif
         } else {
           __pyx_t_6 = __pyx_t_11(__pyx_t_2);
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@@ -15827,6 +16731,7 @@ static PyObject *__pyx_gb_5_cdec_4generator16(__pyx_GeneratorObject *__pyx_gener
   __pyx_L0:;
   __Pyx_XDECREF(__pyx_r);
   __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
   __Pyx_RefNannyFinishContext();
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 }
@@ -15836,13 +16741,13 @@ static int __pyx_pw_5_cdec_7Decoder_1__cinit__(PyObject *__pyx_v_self, PyObject
 static int __pyx_pw_5_cdec_7Decoder_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   PyObject *__pyx_v_config_str = 0;
   PyObject *__pyx_v_config = 0;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__config_str,0};
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   __pyx_v_config = PyDict_New(); if (unlikely(!__pyx_v_config)) return -1;
   __Pyx_GOTREF(__pyx_v_config);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__config_str,0};
     PyObject* values[1] = {0};
 
     /* "_cdec.pyx":43
@@ -15985,10 +16890,18 @@ static PyObject *__pyx_gb_5_cdec_7Decoder_9__cinit___2generator20(__pyx_Generato
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     if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_2)) {
       if (__pyx_t_4 >= PyList_GET_SIZE(__pyx_t_2)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_3 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_4); __Pyx_INCREF(__pyx_t_3); __pyx_t_4++;
+      #else
+      __pyx_t_3 = PySequence_ITEM(__pyx_t_2, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_2)) {
       if (__pyx_t_4 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_4); __Pyx_INCREF(__pyx_t_3); __pyx_t_4++;
+      #else
+      __pyx_t_3 = PySequence_ITEM(__pyx_t_2, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else {
       __pyx_t_3 = __pyx_t_5(__pyx_t_2);
       if (unlikely(!__pyx_t_3)) {
@@ -16037,6 +16950,7 @@ static PyObject *__pyx_gb_5_cdec_7Decoder_9__cinit___2generator20(__pyx_Generato
   __pyx_L0:;
   __Pyx_XDECREF(__pyx_r);
   __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
   __Pyx_RefNannyFinishContext();
   return NULL;
 }
@@ -16221,7 +17135,7 @@ static int __pyx_pf_5_cdec_7Decoder___cinit__(struct __pyx_obj_5_cdec_Decoder *_
  *         cdef istringstream* config_stream = new istringstream(config_str)
  *         self.dec = new decoder.Decoder(config_stream)             # <<<<<<<<<<<<<<
  *         del config_stream
- *         self.weights = DenseVector()
+ *         self.weights = DenseVector.__new__(DenseVector)
  */
   __pyx_v_self->dec = new Decoder(__pyx_v_config_stream);
 
@@ -16229,7 +17143,7 @@ static int __pyx_pf_5_cdec_7Decoder___cinit__(struct __pyx_obj_5_cdec_Decoder *_
  *         cdef istringstream* config_stream = new istringstream(config_str)
  *         self.dec = new decoder.Decoder(config_stream)
  *         del config_stream             # <<<<<<<<<<<<<<
- *         self.weights = DenseVector()
+ *         self.weights = DenseVector.__new__(DenseVector)
  *         self.weights.vector = &self.dec.CurrentWeightVector()
  */
   delete __pyx_v_config_stream;
@@ -16237,12 +17151,13 @@ static int __pyx_pf_5_cdec_7Decoder___cinit__(struct __pyx_obj_5_cdec_Decoder *_
   /* "_cdec.pyx":58
  *         self.dec = new decoder.Decoder(config_stream)
  *         del config_stream
- *         self.weights = DenseVector()             # <<<<<<<<<<<<<<
+ *         self.weights = DenseVector.__new__(DenseVector)             # <<<<<<<<<<<<<<
  *         self.weights.vector = &self.dec.CurrentWeightVector()
- * 
+ *         self.weights.owned = True
  */
-  __pyx_t_6 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_DenseVector)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = __Pyx_tp_new(((PyObject*)__pyx_ptype_5_cdec_DenseVector)); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_6);
+  if (!(likely(__Pyx_TypeTest(__pyx_t_6, __pyx_ptype_5_cdec_DenseVector)))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -16251,12 +17166,21 @@ static int __pyx_pf_5_cdec_7Decoder___cinit__(struct __pyx_obj_5_cdec_Decoder *_
 
   /* "_cdec.pyx":59
  *         del config_stream
- *         self.weights = DenseVector()
+ *         self.weights = DenseVector.__new__(DenseVector)
  *         self.weights.vector = &self.dec.CurrentWeightVector()             # <<<<<<<<<<<<<<
+ *         self.weights.owned = True
+ * 
+ */
+  __pyx_v_self->weights->vector = (&__pyx_v_self->dec->CurrentWeightVector());
+
+  /* "_cdec.pyx":60
+ *         self.weights = DenseVector.__new__(DenseVector)
+ *         self.weights.vector = &self.dec.CurrentWeightVector()
+ *         self.weights.owned = True             # <<<<<<<<<<<<<<
  * 
  *     def __dealloc__(self):
  */
-  __pyx_v_self->weights->vector = (&__pyx_v_self->dec->CurrentWeightVector());
+  __pyx_v_self->weights->owned = 1;
 
   __pyx_r = 0;
   goto __pyx_L0;
@@ -16283,8 +17207,8 @@ static void __pyx_pw_5_cdec_7Decoder_3__dealloc__(PyObject *__pyx_v_self) {
   __Pyx_RefNannyFinishContext();
 }
 
-/* "_cdec.pyx":61
- *         self.weights.vector = &self.dec.CurrentWeightVector()
+/* "_cdec.pyx":62
+ *         self.weights.owned = True
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
  *         del self.dec
@@ -16295,7 +17219,7 @@ static void __pyx_pf_5_cdec_7Decoder_2__dealloc__(CYTHON_UNUSED struct __pyx_obj
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-  /* "_cdec.pyx":62
+  /* "_cdec.pyx":63
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  *     def __dealloc__(self):
  *         del self.dec             # <<<<<<<<<<<<<<
@@ -16318,7 +17242,7 @@ static PyObject *__pyx_pw_5_cdec_7Decoder_7weights_1__get__(PyObject *__pyx_v_se
   return __pyx_r;
 }
 
-/* "_cdec.pyx":65
+/* "_cdec.pyx":66
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  *     property weights:
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@@ -16331,7 +17255,7 @@ static PyObject *__pyx_pf_5_cdec_7Decoder_7weights___get__(struct __pyx_obj_5_cd
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-  /* "_cdec.pyx":66
+  /* "_cdec.pyx":67
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@@ -16361,7 +17285,7 @@ static int __pyx_pw_5_cdec_7Decoder_7weights_3__set__(PyObject *__pyx_v_self, Py
   return __pyx_r;
 }
 
-/* "_cdec.pyx":68
+/* "_cdec.pyx":69
  *             return self.weights
  * 
  *         def __set__(self, weights):             # <<<<<<<<<<<<<<
@@ -16388,7 +17312,7 @@ static int __pyx_pf_5_cdec_7Decoder_7weights_2__set__(struct __pyx_obj_5_cdec_De
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__set__", 0);
 
-  /* "_cdec.pyx":69
+  /* "_cdec.pyx":70
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  *         def __set__(self, weights):
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@@ -16401,7 +17325,7 @@ static int __pyx_pf_5_cdec_7Decoder_7weights_2__set__(struct __pyx_obj_5_cdec_De
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   if (__pyx_t_2) {
 
-    /* "_cdec.pyx":70
+    /* "_cdec.pyx":71
  *         def __set__(self, weights):
  *             if isinstance(weights, DenseVector):
  *                 self.weights.vector[0] = (<DenseVector> weights).vector[0]             # <<<<<<<<<<<<<<
@@ -16412,7 +17336,7 @@ static int __pyx_pf_5_cdec_7Decoder_7weights_2__set__(struct __pyx_obj_5_cdec_De
     goto __pyx_L3;
   }
 
-  /* "_cdec.pyx":71
+  /* "_cdec.pyx":72
  *             if isinstance(weights, DenseVector):
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  *             elif isinstance(weights, SparseVector):             # <<<<<<<<<<<<<<
@@ -16425,7 +17349,7 @@ static int __pyx_pf_5_cdec_7Decoder_7weights_2__set__(struct __pyx_obj_5_cdec_De
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   if (__pyx_t_2) {
 
-    /* "_cdec.pyx":72
+    /* "_cdec.pyx":73
  *                 self.weights.vector[0] = (<DenseVector> weights).vector[0]
  *             elif isinstance(weights, SparseVector):
  *                 self.weights.vector.clear()             # <<<<<<<<<<<<<<
@@ -16434,23 +17358,23 @@ static int __pyx_pf_5_cdec_7Decoder_7weights_2__set__(struct __pyx_obj_5_cdec_De
  */
     __pyx_v_self->weights->vector->clear();
 
-    /* "_cdec.pyx":73
+    /* "_cdec.pyx":74
  *             elif isinstance(weights, SparseVector):
  *                 self.weights.vector.clear()
  *                 ((<SparseVector> weights).vector[0]).init_vector(self.weights.vector)             # <<<<<<<<<<<<<<
  *             elif isinstance(weights, dict):
- *                 for fname, fval in weights.items():
+ *                 self.weights.vector.clear()
  */
     (((struct __pyx_obj_5_cdec_SparseVector *)__pyx_v_weights)->vector[0]).init_vector(__pyx_v_self->weights->vector);
     goto __pyx_L3;
   }
 
-  /* "_cdec.pyx":74
+  /* "_cdec.pyx":75
  *                 self.weights.vector.clear()
  *                 ((<SparseVector> weights).vector[0]).init_vector(self.weights.vector)
  *             elif isinstance(weights, dict):             # <<<<<<<<<<<<<<
+ *                 self.weights.vector.clear()
  *                 for fname, fval in weights.items():
- *                     self.weights[fname] = fval
  */
   __pyx_t_1 = ((PyObject *)((PyObject*)(&PyDict_Type)));
   __Pyx_INCREF(__pyx_t_1);
@@ -16458,23 +17382,32 @@ static int __pyx_pf_5_cdec_7Decoder_7weights_2__set__(struct __pyx_obj_5_cdec_De
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   if (__pyx_t_2) {
 
-    /* "_cdec.pyx":75
+    /* "_cdec.pyx":76
  *                 ((<SparseVector> weights).vector[0]).init_vector(self.weights.vector)
  *             elif isinstance(weights, dict):
+ *                 self.weights.vector.clear()             # <<<<<<<<<<<<<<
+ *                 for fname, fval in weights.items():
+ *                     self.weights[fname] = fval
+ */
+    __pyx_v_self->weights->vector->clear();
+
+    /* "_cdec.pyx":77
+ *             elif isinstance(weights, dict):
+ *                 self.weights.vector.clear()
  *                 for fname, fval in weights.items():             # <<<<<<<<<<<<<<
  *                     self.weights[fname] = fval
  *             else:
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-    __pyx_t_1 = PyObject_GetAttr(__pyx_v_weights, __pyx_n_s__items); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyObject_GetAttr(__pyx_v_weights, __pyx_n_s__items); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __pyx_t_5 = NULL;
     } else {
-      __pyx_t_4 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -16482,16 +17415,24 @@ static int __pyx_pf_5_cdec_7Decoder_7weights_2__set__(struct __pyx_obj_5_cdec_De
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       if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_1)) {
         if (__pyx_t_4 >= PyList_GET_SIZE(__pyx_t_1)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
         __pyx_t_3 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_4); __Pyx_INCREF(__pyx_t_3); __pyx_t_4++;
+        #else
+        __pyx_t_3 = PySequence_ITEM(__pyx_t_1, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+        #endif
       } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_1)) {
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+        #if CYTHON_COMPILING_IN_CPYTHON
         __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_4); __Pyx_INCREF(__pyx_t_3); __pyx_t_4++;
+        #else
+        __pyx_t_3 = PySequence_ITEM(__pyx_t_1, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+        #endif
       } else {
         __pyx_t_3 = __pyx_t_5(__pyx_t_1);
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-            else {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            else {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -16499,29 +17440,35 @@ static int __pyx_pf_5_cdec_7Decoder_7weights_2__set__(struct __pyx_obj_5_cdec_De
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       if ((likely(PyTuple_CheckExact(__pyx_t_3))) || (PyList_CheckExact(__pyx_t_3))) {
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+        Py_ssize_t size = Py_SIZE(sequence);
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+        #if CYTHON_COMPILING_IN_CPYTHON
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           __pyx_t_7 = PyList_GET_ITEM(sequence, 1); 
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+        __pyx_t_7 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
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+        __pyx_t_8 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+        if (__Pyx_IternextUnpackEndCheck(__pyx_t_9(__pyx_t_8), 2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_9 = NULL;
+        if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
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-      /* "_cdec.pyx":76
- *             elif isinstance(weights, dict):
+      /* "_cdec.pyx":78
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+      if (PyObject_SetItem(((PyObject *)__pyx_v_self->weights), __pyx_v_fname, __pyx_v_fval) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 78; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "_cdec.pyx":78
+    /* "_cdec.pyx":80
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+    __pyx_t_1 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_49), ((PyObject *)Py_TYPE(__pyx_v_weights))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_1 = PyObject_Call(__pyx_builtin_TypeError, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 78; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -16611,12 +17559,12 @@ static PyObject *__pyx_pw_5_cdec_7Decoder_9formalism_1__get__(PyObject *__pyx_v_
   return __pyx_r;
 }
 
-/* "_cdec.pyx":81
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  *     property formalism:
  *         def __get__(self):             # <<<<<<<<<<<<<<
  *             cdef variables_map* conf = &self.dec.GetConf()
- *             return conf[0]['formalism'].as_str().c_str()
+ *             return conf[0]['formalism'].as_str()
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 static PyObject *__pyx_pf_5_cdec_7Decoder_9formalism___get__(struct __pyx_obj_5_cdec_Decoder *__pyx_v_self) {
@@ -16629,24 +17577,24 @@ static PyObject *__pyx_pf_5_cdec_7Decoder_9formalism___get__(struct __pyx_obj_5_
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-  /* "_cdec.pyx":82
+  /* "_cdec.pyx":84
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  *         def __get__(self):
  *             cdef variables_map* conf = &self.dec.GetConf()             # <<<<<<<<<<<<<<
- *             return conf[0]['formalism'].as_str().c_str()
+ *             return conf[0]['formalism'].as_str()
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-  /* "_cdec.pyx":83
+  /* "_cdec.pyx":85
  *         def __get__(self):
  *             cdef variables_map* conf = &self.dec.GetConf()
- *             return conf[0]['formalism'].as_str().c_str()             # <<<<<<<<<<<<<<
+ *             return conf[0]['formalism'].as_str()             # <<<<<<<<<<<<<<
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  *     def read_weights(self, weights):
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+  __pyx_t_1 = __pyx_convert_string_to_py_(((__pyx_v_conf[0])[__pyx_k__formalism]).as<std::string>()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   return __pyx_r;
 }
 
-/* "_cdec.pyx":85
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+/* "_cdec.pyx":87
+ *             return conf[0]['formalism'].as_str()
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  *     def read_weights(self, weights):             # <<<<<<<<<<<<<<
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@@ -16719,19 +17667,19 @@ static PyObject *__pyx_pf_5_cdec_7Decoder_4read_weights(struct __pyx_obj_5_cdec_
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+    __pyx_t_3 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s____exit__); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_1 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s____enter__); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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+    __pyx_t_4 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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-          /* "_cdec.pyx":87
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+            __pyx_t_8 = -1; __pyx_t_4 = PyObject_GetIter(__pyx_v_fp); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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               if (__pyx_t_8 >= PyList_GET_SIZE(__pyx_t_4)) break;
+              #if CYTHON_COMPILING_IN_CPYTHON
               __pyx_t_2 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_2); __pyx_t_8++;
+              #else
+              __pyx_t_2 = PySequence_ITEM(__pyx_t_4, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
+              #endif
             } else if (!__pyx_t_9 && PyTuple_CheckExact(__pyx_t_4)) {
               if (__pyx_t_8 >= PyTuple_GET_SIZE(__pyx_t_4)) break;
+              #if CYTHON_COMPILING_IN_CPYTHON
               __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_2); __pyx_t_8++;
+              #else
+              __pyx_t_2 = PySequence_ITEM(__pyx_t_4, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
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-                  else {__pyx_filename = __pyx_f[0]; __pyx_lineno = 87; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+                  else {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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@@ -16783,25 +17739,25 @@ static PyObject *__pyx_pf_5_cdec_7Decoder_4read_weights(struct __pyx_obj_5_cdec_
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-            /* "_cdec.pyx":88
+            /* "_cdec.pyx":90
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-            /* "_cdec.pyx":89
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+            __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 91; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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             if ((likely(PyTuple_CheckExact(__pyx_t_2))) || (PyList_CheckExact(__pyx_t_2))) {
               PyObject* sequence = __pyx_t_2;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              Py_ssize_t size = Py_SIZE(sequence);
+              #else
+              Py_ssize_t size = PySequence_Size(sequence);
+              #endif
+              if (unlikely(size != 2)) {
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-                  if (PyTuple_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
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-                  if (PyList_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
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-                  {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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+              #endif
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-            } else {
+            } else
+            {
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-              __pyx_t_12 = PyObject_GetIter(__pyx_t_2); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              __pyx_t_12 = PyObject_GetIter(__pyx_t_2); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 91; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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-              if (__Pyx_IternextUnpackEndCheck(__pyx_t_13(__pyx_t_12), 2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              if (__Pyx_IternextUnpackEndCheck(__pyx_t_13(__pyx_t_12), 2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 91; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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-              {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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-            /* "_cdec.pyx":90
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-        /* "_cdec.pyx":86
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@@ -16912,11 +17875,11 @@ static PyObject *__pyx_pf_5_cdec_7Decoder_4read_weights(struct __pyx_obj_5_cdec_
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-            {__pyx_filename = __pyx_f[0]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L9_except_error;}
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-        if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_7);
         __pyx_t_16 = __Pyx_PyObject_IsTrue(__pyx_t_7);
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+        if (unlikely(__pyx_t_16 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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 static PyObject *__pyx_pw_5_cdec_7Decoder_7translate(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   PyObject *__pyx_v_sentence = 0;
   PyObject *__pyx_v_grammar = 0;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__sentence,&__pyx_n_s__grammar,0};
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-    /* "_cdec.pyx":92
+    /* "_cdec.pyx":94
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       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__sentence);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__sentence)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
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@@ -17045,7 +18007,7 @@ static PyObject *__pyx_pw_5_cdec_7Decoder_7translate(PyObject *__pyx_v_self, PyO
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@@ -17060,7 +18022,7 @@ static PyObject *__pyx_pw_5_cdec_7Decoder_7translate(PyObject *__pyx_v_self, PyO
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+  __Pyx_RaiseArgtupleInvalid("translate", 0, 1, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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-  /* "_cdec.pyx":94
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-    /* "_cdec.pyx":95
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+    __pyx_t_5 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 97; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_1 = PyBytes_FromString(__pyx_f_5_cdec_as_str(__pyx_t_5, NULL)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 97; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    if (!(likely(PyBytes_CheckExact(__pyx_t_5))||((__pyx_t_5) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected bytes, got %.200s", Py_TYPE(__pyx_t_5)->tp_name), 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 99; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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     __pyx_t_5 = 0;
     goto __pyx_L3;
   }
   /*else*/ {
 
-    /* "_cdec.pyx":99
+    /* "_cdec.pyx":101
  *             input_str = str(sentence) # PLF format
  *         else:
  *             raise TypeError('Cannot translate input type %s' % type(sentence))             # <<<<<<<<<<<<<<
  *         if grammar:
  *             if isinstance(grammar, str) or isinstance(grammar, unicode):
  */
-    __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_53), ((PyObject *)Py_TYPE(__pyx_v_sentence))); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 99; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_53), ((PyObject *)Py_TYPE(__pyx_v_sentence))); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 99; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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     PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_t_5));
     __Pyx_GIVEREF(((PyObject *)__pyx_t_5));
     __pyx_t_5 = 0;
-    __pyx_t_5 = PyObject_Call(__pyx_builtin_TypeError, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 99; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyObject_Call(__pyx_builtin_TypeError, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 99; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   __pyx_L3:;
 
-  /* "_cdec.pyx":100
+  /* "_cdec.pyx":102
  *         else:
  *             raise TypeError('Cannot translate input type %s' % type(sentence))
  *         if grammar:             # <<<<<<<<<<<<<<
  *             if isinstance(grammar, str) or isinstance(grammar, unicode):
  *                 self.dec.AddSupplementalGrammarFromString(string(as_str(grammar)))
  */
-  __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_v_grammar); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_v_grammar); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__pyx_t_4) {
 
-    /* "_cdec.pyx":101
+    /* "_cdec.pyx":103
  *             raise TypeError('Cannot translate input type %s' % type(sentence))
  *         if grammar:
  *             if isinstance(grammar, str) or isinstance(grammar, unicode):             # <<<<<<<<<<<<<<
@@ -17220,7 +18182,7 @@ static PyObject *__pyx_pf_5_cdec_7Decoder_6translate(struct __pyx_obj_5_cdec_Dec
     }
     if (__pyx_t_3) {
 
-      /* "_cdec.pyx":102
+      /* "_cdec.pyx":104
  *         if grammar:
  *             if isinstance(grammar, str) or isinstance(grammar, unicode):
  *                 self.dec.AddSupplementalGrammarFromString(string(as_str(grammar)))             # <<<<<<<<<<<<<<
@@ -17232,19 +18194,19 @@ static PyObject *__pyx_pf_5_cdec_7Decoder_6translate(struct __pyx_obj_5_cdec_Dec
     }
     /*else*/ {
 
-      /* "_cdec.pyx":104
+      /* "_cdec.pyx":106
  *                 self.dec.AddSupplementalGrammarFromString(string(as_str(grammar)))
  *             else:
  *                 self.dec.AddSupplementalGrammar(TextGrammar(grammar).grammar[0])             # <<<<<<<<<<<<<<
  *         cdef decoder.BasicObserver observer = decoder.BasicObserver()
  *         self.dec.Decode(string(input_str), &observer)
  */
-      __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_v_grammar);
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-      __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_TextGrammar)), ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_TextGrammar)), ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
       __pyx_v_self->dec->AddSupplementalGrammar((((struct __pyx_obj_5_cdec_TextGrammar *)__pyx_t_1)->__pyx_base.grammar[0]));
@@ -17255,7 +18217,7 @@ static PyObject *__pyx_pf_5_cdec_7Decoder_6translate(struct __pyx_obj_5_cdec_Dec
   }
   __pyx_L4:;
 
-  /* "_cdec.pyx":105
+  /* "_cdec.pyx":107
  *             else:
  *                 self.dec.AddSupplementalGrammar(TextGrammar(grammar).grammar[0])
  *         cdef decoder.BasicObserver observer = decoder.BasicObserver()             # <<<<<<<<<<<<<<
@@ -17264,17 +18226,17 @@ static PyObject *__pyx_pf_5_cdec_7Decoder_6translate(struct __pyx_obj_5_cdec_Dec
  */
   __pyx_v_observer = BasicObserver();
 
-  /* "_cdec.pyx":106
+  /* "_cdec.pyx":108
  *                 self.dec.AddSupplementalGrammar(TextGrammar(grammar).grammar[0])
  *         cdef decoder.BasicObserver observer = decoder.BasicObserver()
  *         self.dec.Decode(string(input_str), &observer)             # <<<<<<<<<<<<<<
  *         if observer.hypergraph == NULL:
  *             raise ParseFailed()
  */
-  __pyx_t_6 = PyBytes_AsString(((PyObject *)__pyx_v_input_str)); if (unlikely((!__pyx_t_6) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = PyBytes_AsString(((PyObject *)__pyx_v_input_str)); if (unlikely((!__pyx_t_6) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_self->dec->Decode(std::string(__pyx_t_6), (&__pyx_v_observer));
 
-  /* "_cdec.pyx":107
+  /* "_cdec.pyx":109
  *         cdef decoder.BasicObserver observer = decoder.BasicObserver()
  *         self.dec.Decode(string(input_str), &observer)
  *         if observer.hypergraph == NULL:             # <<<<<<<<<<<<<<
@@ -17284,38 +18246,38 @@ static PyObject *__pyx_pf_5_cdec_7Decoder_6translate(struct __pyx_obj_5_cdec_Dec
   __pyx_t_3 = (__pyx_v_observer.hypergraph == NULL);
   if (__pyx_t_3) {
 
-    /* "_cdec.pyx":108
+    /* "_cdec.pyx":110
  *         self.dec.Decode(string(input_str), &observer)
  *         if observer.hypergraph == NULL:
  *             raise ParseFailed()             # <<<<<<<<<<<<<<
  *         cdef Hypergraph hg = Hypergraph()
  *         hg.hg = new hypergraph.Hypergraph(observer.hypergraph[0])
  */
-    __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__ParseFailed); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__ParseFailed); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_5 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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     __Pyx_Raise(__pyx_t_5, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     goto __pyx_L6;
   }
   __pyx_L6:;
 
-  /* "_cdec.pyx":109
+  /* "_cdec.pyx":111
  *         if observer.hypergraph == NULL:
  *             raise ParseFailed()
  *         cdef Hypergraph hg = Hypergraph()             # <<<<<<<<<<<<<<
  *         hg.hg = new hypergraph.Hypergraph(observer.hypergraph[0])
  *         return hg
  */
-  __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_Hypergraph)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_Hypergraph)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_v_hg = ((struct __pyx_obj_5_cdec_Hypergraph *)__pyx_t_5);
   __pyx_t_5 = 0;
 
-  /* "_cdec.pyx":110
+  /* "_cdec.pyx":112
  *             raise ParseFailed()
  *         cdef Hypergraph hg = Hypergraph()
  *         hg.hg = new hypergraph.Hypergraph(observer.hypergraph[0])             # <<<<<<<<<<<<<<
@@ -17323,7 +18285,7 @@ static PyObject *__pyx_pf_5_cdec_7Decoder_6translate(struct __pyx_obj_5_cdec_Dec
  */
   __pyx_v_hg->hg = new Hypergraph((__pyx_v_observer.hypergraph[0]));
 
-  /* "_cdec.pyx":111
+  /* "_cdec.pyx":113
  *         cdef Hypergraph hg = Hypergraph()
  *         hg.hg = new hypergraph.Hypergraph(observer.hypergraph[0])
  *         return hg             # <<<<<<<<<<<<<<
@@ -17348,13 +18310,65 @@ static PyObject *__pyx_pf_5_cdec_7Decoder_6translate(struct __pyx_obj_5_cdec_Dec
   return __pyx_r;
 }
 
-static PyObject *__pyx_tp_new_5_cdec_DenseVector(PyTypeObject *t, PyObject *a, PyObject *k) {
+/* "string.to_py":25
+ * 
+ * @cname("__pyx_convert_string_to_py_")
+ * cdef object __pyx_convert_string_to_py_(string& s):             # <<<<<<<<<<<<<<
+ *     return s.data()[:s.size()]
+ * 
+ */
+
+static PyObject *__pyx_convert_string_to_py_(const std::string &__pyx_v_s) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__pyx_convert_string_to_py_", 0);
+
+  /* "string.to_py":26
+ * @cname("__pyx_convert_string_to_py_")
+ * cdef object __pyx_convert_string_to_py_(string& s):
+ *     return s.data()[:s.size()]             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyBytes_FromStringAndSize(__pyx_v_s.data() + 0, __pyx_v_s.size() - 0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 26; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
+  __pyx_r = ((PyObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("string.to_py.__pyx_convert_string_to_py_", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+static PyObject *__pyx_tp_new_5_cdec_DenseVector(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
 }
 
 static void __pyx_tp_dealloc_5_cdec_DenseVector(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_5_cdec_11DenseVector_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
   (*Py_TYPE(o)->tp_free)(o);
 }
 static PyObject *__pyx_sq_item_5_cdec_DenseVector(PyObject *o, Py_ssize_t i) {
@@ -17367,7 +18381,7 @@ static PyObject *__pyx_sq_item_5_cdec_DenseVector(PyObject *o, Py_ssize_t i) {
 
 static int __pyx_mp_ass_subscript_5_cdec_DenseVector(PyObject *o, PyObject *i, PyObject *v) {
   if (v) {
-    return __pyx_pw_5_cdec_11DenseVector_5__setitem__(o, i, v);
+    return __pyx_pw_5_cdec_11DenseVector_9__setitem__(o, i, v);
   }
   else {
     PyErr_Format(PyExc_NotImplementedError,
@@ -17377,8 +18391,8 @@ static int __pyx_mp_ass_subscript_5_cdec_DenseVector(PyObject *o, PyObject *i, P
 }
 
 static PyMethodDef __pyx_methods_5_cdec_DenseVector[] = {
-  {__Pyx_NAMESTR("dot"), (PyCFunction)__pyx_pw_5_cdec_11DenseVector_10dot, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("tosparse"), (PyCFunction)__pyx_pw_5_cdec_11DenseVector_12tosparse, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("dot"), (PyCFunction)__pyx_pw_5_cdec_11DenseVector_14dot, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("tosparse"), (PyCFunction)__pyx_pw_5_cdec_11DenseVector_16tosparse, METH_NOARGS, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
@@ -17441,7 +18455,7 @@ static PyNumberMethods __pyx_tp_as_number_DenseVector = {
 };
 
 static PySequenceMethods __pyx_tp_as_sequence_DenseVector = {
-  __pyx_pw_5_cdec_11DenseVector_1__len__, /*sq_length*/
+  __pyx_pw_5_cdec_11DenseVector_5__len__, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
   __pyx_sq_item_5_cdec_DenseVector, /*sq_item*/
@@ -17454,8 +18468,8 @@ static PySequenceMethods __pyx_tp_as_sequence_DenseVector = {
 };
 
 static PyMappingMethods __pyx_tp_as_mapping_DenseVector = {
-  __pyx_pw_5_cdec_11DenseVector_1__len__, /*mp_length*/
-  __pyx_pw_5_cdec_11DenseVector_3__getitem__, /*mp_subscript*/
+  __pyx_pw_5_cdec_11DenseVector_5__len__, /*mp_length*/
+  __pyx_pw_5_cdec_11DenseVector_7__getitem__, /*mp_subscript*/
   __pyx_mp_ass_subscript_5_cdec_DenseVector, /*mp_ass_subscript*/
 };
 
@@ -17510,7 +18524,7 @@ static PyTypeObject __pyx_type_5_cdec_DenseVector = {
   0, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
-  __pyx_pw_5_cdec_11DenseVector_7__iter__, /*tp_iter*/
+  __pyx_pw_5_cdec_11DenseVector_11__iter__, /*tp_iter*/
   0, /*tp_iternext*/
   __pyx_methods_5_cdec_DenseVector, /*tp_methods*/
   0, /*tp_members*/
@@ -17520,7 +18534,7 @@ static PyTypeObject __pyx_type_5_cdec_DenseVector = {
   0, /*tp_descr_get*/
   0, /*tp_descr_set*/
   0, /*tp_dictoffset*/
-  0, /*tp_init*/
+  __pyx_pw_5_cdec_11DenseVector_1__init__, /*tp_init*/
   0, /*tp_alloc*/
   __pyx_tp_new_5_cdec_DenseVector, /*tp_new*/
   0, /*tp_free*/
@@ -17536,7 +18550,7 @@ static PyTypeObject __pyx_type_5_cdec_DenseVector = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec_SparseVector(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec_SparseVector(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
@@ -17547,7 +18561,7 @@ static void __pyx_tp_dealloc_5_cdec_SparseVector(PyObject *o) {
     PyObject *etype, *eval, *etb;
     PyErr_Fetch(&etype, &eval, &etb);
     ++Py_REFCNT(o);
-    __pyx_pw_5_cdec_12SparseVector_1__dealloc__(o);
+    __pyx_pw_5_cdec_12SparseVector_3__dealloc__(o);
     if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
     --Py_REFCNT(o);
     PyErr_Restore(etype, eval, etb);
@@ -17564,7 +18578,7 @@ static PyObject *__pyx_sq_item_5_cdec_SparseVector(PyObject *o, Py_ssize_t i) {
 
 static int __pyx_mp_ass_subscript_5_cdec_SparseVector(PyObject *o, PyObject *i, PyObject *v) {
   if (v) {
-    return __pyx_pw_5_cdec_12SparseVector_7__setitem__(o, i, v);
+    return __pyx_pw_5_cdec_12SparseVector_9__setitem__(o, i, v);
   }
   else {
     PyErr_Format(PyExc_NotImplementedError,
@@ -17574,22 +18588,22 @@ static int __pyx_mp_ass_subscript_5_cdec_SparseVector(PyObject *o, PyObject *i,
 }
 
 static PyMethodDef __pyx_methods_5_cdec_SparseVector[] = {
-  {__Pyx_NAMESTR("copy"), (PyCFunction)__pyx_pw_5_cdec_12SparseVector_3copy, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("dot"), (PyCFunction)__pyx_pw_5_cdec_12SparseVector_12dot, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("copy"), (PyCFunction)__pyx_pw_5_cdec_12SparseVector_5copy, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("dot"), (PyCFunction)__pyx_pw_5_cdec_12SparseVector_14dot, METH_O, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
 static PyNumberMethods __pyx_tp_as_number_SparseVector = {
-  __pyx_pw_5_cdec_12SparseVector_30__add__, /*nb_add*/
-  __pyx_pw_5_cdec_12SparseVector_32__sub__, /*nb_subtract*/
-  __pyx_pw_5_cdec_12SparseVector_34__mul__, /*nb_multiply*/
+  __pyx_pw_5_cdec_12SparseVector_32__add__, /*nb_add*/
+  __pyx_pw_5_cdec_12SparseVector_34__sub__, /*nb_subtract*/
+  __pyx_pw_5_cdec_12SparseVector_36__mul__, /*nb_multiply*/
   #if PY_MAJOR_VERSION < 3
-  __pyx_pw_5_cdec_12SparseVector_36__div__, /*nb_divide*/
+  __pyx_pw_5_cdec_12SparseVector_38__div__, /*nb_divide*/
   #endif
   0, /*nb_remainder*/
   0, /*nb_divmod*/
   0, /*nb_power*/
-  __pyx_pw_5_cdec_12SparseVector_20__neg__, /*nb_negative*/
+  __pyx_pw_5_cdec_12SparseVector_22__neg__, /*nb_negative*/
   0, /*nb_positive*/
   0, /*nb_absolute*/
   0, /*nb_nonzero*/
@@ -17615,11 +18629,11 @@ static PyNumberMethods __pyx_tp_as_number_SparseVector = {
   #if PY_MAJOR_VERSION < 3
   0, /*nb_hex*/
   #endif
-  __pyx_pw_5_cdec_12SparseVector_22__iadd__, /*nb_inplace_add*/
-  __pyx_pw_5_cdec_12SparseVector_24__isub__, /*nb_inplace_subtract*/
-  __pyx_pw_5_cdec_12SparseVector_26__imul__, /*nb_inplace_multiply*/
+  __pyx_pw_5_cdec_12SparseVector_24__iadd__, /*nb_inplace_add*/
+  __pyx_pw_5_cdec_12SparseVector_26__isub__, /*nb_inplace_subtract*/
+  __pyx_pw_5_cdec_12SparseVector_28__imul__, /*nb_inplace_multiply*/
   #if PY_MAJOR_VERSION < 3
-  __pyx_pw_5_cdec_12SparseVector_28__idiv__, /*nb_inplace_divide*/
+  __pyx_pw_5_cdec_12SparseVector_30__idiv__, /*nb_inplace_divide*/
   #endif
   0, /*nb_inplace_remainder*/
   0, /*nb_inplace_power*/
@@ -17638,21 +18652,21 @@ static PyNumberMethods __pyx_tp_as_number_SparseVector = {
 };
 
 static PySequenceMethods __pyx_tp_as_sequence_SparseVector = {
-  __pyx_pw_5_cdec_12SparseVector_16__len__, /*sq_length*/
+  __pyx_pw_5_cdec_12SparseVector_18__len__, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
   __pyx_sq_item_5_cdec_SparseVector, /*sq_item*/
   0, /*sq_slice*/
   0, /*sq_ass_item*/
   0, /*sq_ass_slice*/
-  __pyx_pw_5_cdec_12SparseVector_18__contains__, /*sq_contains*/
+  __pyx_pw_5_cdec_12SparseVector_20__contains__, /*sq_contains*/
   0, /*sq_inplace_concat*/
   0, /*sq_inplace_repeat*/
 };
 
 static PyMappingMethods __pyx_tp_as_mapping_SparseVector = {
-  __pyx_pw_5_cdec_12SparseVector_16__len__, /*mp_length*/
-  __pyx_pw_5_cdec_12SparseVector_5__getitem__, /*mp_subscript*/
+  __pyx_pw_5_cdec_12SparseVector_18__len__, /*mp_length*/
+  __pyx_pw_5_cdec_12SparseVector_7__getitem__, /*mp_subscript*/
   __pyx_mp_ass_subscript_5_cdec_SparseVector, /*mp_ass_subscript*/
 };
 
@@ -17705,9 +18719,9 @@ static PyTypeObject __pyx_type_5_cdec_SparseVector = {
   0, /*tp_doc*/
   0, /*tp_traverse*/
   0, /*tp_clear*/
-  __pyx_pw_5_cdec_12SparseVector_14__richcmp__, /*tp_richcompare*/
+  __pyx_pw_5_cdec_12SparseVector_16__richcmp__, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
-  __pyx_pw_5_cdec_12SparseVector_9__iter__, /*tp_iter*/
+  __pyx_pw_5_cdec_12SparseVector_11__iter__, /*tp_iter*/
   0, /*tp_iternext*/
   __pyx_methods_5_cdec_SparseVector, /*tp_methods*/
   0, /*tp_members*/
@@ -17717,7 +18731,7 @@ static PyTypeObject __pyx_type_5_cdec_SparseVector = {
   0, /*tp_descr_get*/
   0, /*tp_descr_set*/
   0, /*tp_dictoffset*/
-  0, /*tp_init*/
+  __pyx_pw_5_cdec_12SparseVector_1__init__, /*tp_init*/
   0, /*tp_alloc*/
   __pyx_tp_new_5_cdec_SparseVector, /*tp_new*/
   0, /*tp_free*/
@@ -17733,7 +18747,7 @@ static PyTypeObject __pyx_type_5_cdec_SparseVector = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec_NT(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec_NT(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
@@ -17743,11 +18757,11 @@ static void __pyx_tp_dealloc_5_cdec_NT(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_2NT_cat(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_2NT_cat(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_2NT_3cat_1__get__(o);
 }
 
-static int __pyx_setprop_5_cdec_2NT_cat(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_5_cdec_2NT_cat(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_5_cdec_2NT_3cat_3__set__(o, v);
   }
@@ -17757,11 +18771,11 @@ static int __pyx_setprop_5_cdec_2NT_cat(PyObject *o, PyObject *v, void *x) {
   }
 }
 
-static PyObject *__pyx_getprop_5_cdec_2NT_ref(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_2NT_ref(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_2NT_3ref_1__get__(o);
 }
 
-static int __pyx_setprop_5_cdec_2NT_ref(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_5_cdec_2NT_ref(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_5_cdec_2NT_3ref_3__set__(o, v);
   }
@@ -17935,7 +18949,7 @@ static PyTypeObject __pyx_type_5_cdec_NT = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec_NTRef(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec_NTRef(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
@@ -17945,11 +18959,11 @@ static void __pyx_tp_dealloc_5_cdec_NTRef(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_5NTRef_ref(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_5NTRef_ref(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_5NTRef_3ref_1__get__(o);
 }
 
-static int __pyx_setprop_5_cdec_5NTRef_ref(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_5_cdec_5NTRef_ref(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_5_cdec_5NTRef_3ref_3__set__(o, v);
   }
@@ -18122,18 +19136,18 @@ static PyTypeObject __pyx_type_5_cdec_NTRef = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec_BaseTRule(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec_TRule(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_5_cdec_BaseTRule(PyObject *o) {
+static void __pyx_tp_dealloc_5_cdec_TRule(PyObject *o) {
   {
     PyObject *etype, *eval, *etb;
     PyErr_Fetch(&etype, &eval, &etb);
     ++Py_REFCNT(o);
-    __pyx_pw_5_cdec_9BaseTRule_1__dealloc__(o);
+    __pyx_pw_5_cdec_5TRule_3__dealloc__(o);
     if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
     --Py_REFCNT(o);
     PyErr_Restore(etype, eval, etb);
@@ -18141,31 +19155,17 @@ static void __pyx_tp_dealloc_5_cdec_BaseTRule(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_9BaseTRule_arity(PyObject *o, void *x) {
-  return __pyx_pw_5_cdec_9BaseTRule_5arity_1__get__(o);
-}
-
-static PyObject *__pyx_getprop_5_cdec_9BaseTRule_f(PyObject *o, void *x) {
-  return __pyx_pw_5_cdec_9BaseTRule_1f_1__get__(o);
-}
-
-static int __pyx_setprop_5_cdec_9BaseTRule_f(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_5_cdec_9BaseTRule_1f_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
+static PyObject *__pyx_getprop_5_cdec_5TRule_arity(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_5_cdec_5TRule_5arity_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_9BaseTRule_e(PyObject *o, void *x) {
-  return __pyx_pw_5_cdec_9BaseTRule_1e_1__get__(o);
+static PyObject *__pyx_getprop_5_cdec_5TRule_f(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_5_cdec_5TRule_1f_1__get__(o);
 }
 
-static int __pyx_setprop_5_cdec_9BaseTRule_e(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_5_cdec_5TRule_f(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_5_cdec_9BaseTRule_1e_3__set__(o, v);
+    return __pyx_pw_5_cdec_5TRule_1f_3__set__(o, v);
   }
   else {
     PyErr_SetString(PyExc_NotImplementedError, "__del__");
@@ -18173,13 +19173,13 @@ static int __pyx_setprop_5_cdec_9BaseTRule_e(PyObject *o, PyObject *v, void *x)
   }
 }
 
-static PyObject *__pyx_getprop_5_cdec_9BaseTRule_a(PyObject *o, void *x) {
-  return __pyx_pw_5_cdec_9BaseTRule_1a_1__get__(o);
+static PyObject *__pyx_getprop_5_cdec_5TRule_e(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_5_cdec_5TRule_1e_1__get__(o);
 }
 
-static int __pyx_setprop_5_cdec_9BaseTRule_a(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_5_cdec_5TRule_e(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_5_cdec_9BaseTRule_1a_4__set__(o, v);
+    return __pyx_pw_5_cdec_5TRule_1e_3__set__(o, v);
   }
   else {
     PyErr_SetString(PyExc_NotImplementedError, "__del__");
@@ -18187,13 +19187,13 @@ static int __pyx_setprop_5_cdec_9BaseTRule_a(PyObject *o, PyObject *v, void *x)
   }
 }
 
-static PyObject *__pyx_getprop_5_cdec_9BaseTRule_scores(PyObject *o, void *x) {
-  return __pyx_pw_5_cdec_9BaseTRule_6scores_1__get__(o);
+static PyObject *__pyx_getprop_5_cdec_5TRule_a(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_5_cdec_5TRule_1a_1__get__(o);
 }
 
-static int __pyx_setprop_5_cdec_9BaseTRule_scores(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_5_cdec_5TRule_a(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_5_cdec_9BaseTRule_6scores_3__set__(o, v);
+    return __pyx_pw_5_cdec_5TRule_1a_4__set__(o, v);
   }
   else {
     PyErr_SetString(PyExc_NotImplementedError, "__del__");
@@ -18201,201 +19201,48 @@ static int __pyx_setprop_5_cdec_9BaseTRule_scores(PyObject *o, PyObject *v, void
   }
 }
 
-static PyObject *__pyx_getprop_5_cdec_9BaseTRule_lhs(PyObject *o, void *x) {
-  return __pyx_pw_5_cdec_9BaseTRule_3lhs_1__get__(o);
+static PyObject *__pyx_getprop_5_cdec_5TRule_scores(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_5_cdec_5TRule_6scores_1__get__(o);
 }
 
-static int __pyx_setprop_5_cdec_9BaseTRule_lhs(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_5_cdec_5TRule_scores(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_5_cdec_9BaseTRule_3lhs_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
+    return __pyx_pw_5_cdec_5TRule_6scores_3__set__(o, v);
   }
-}
-
-static PyMethodDef __pyx_methods_5_cdec_BaseTRule[] = {
-  {0, 0, 0, 0}
-};
-
-static struct PyGetSetDef __pyx_getsets_5_cdec_BaseTRule[] = {
-  {(char *)"arity", __pyx_getprop_5_cdec_9BaseTRule_arity, 0, 0, 0},
-  {(char *)"f", __pyx_getprop_5_cdec_9BaseTRule_f, __pyx_setprop_5_cdec_9BaseTRule_f, 0, 0},
-  {(char *)"e", __pyx_getprop_5_cdec_9BaseTRule_e, __pyx_setprop_5_cdec_9BaseTRule_e, 0, 0},
-  {(char *)"a", __pyx_getprop_5_cdec_9BaseTRule_a, __pyx_setprop_5_cdec_9BaseTRule_a, 0, 0},
-  {(char *)"scores", __pyx_getprop_5_cdec_9BaseTRule_scores, __pyx_setprop_5_cdec_9BaseTRule_scores, 0, 0},
-  {(char *)"lhs", __pyx_getprop_5_cdec_9BaseTRule_lhs, __pyx_setprop_5_cdec_9BaseTRule_lhs, 0, 0},
-  {0, 0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_BaseTRule = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_BaseTRule = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_BaseTRule = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_BaseTRule = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_5_cdec_BaseTRule = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec.BaseTRule"), /*tp_name*/
-  sizeof(struct __pyx_obj_5_cdec_BaseTRule), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_5_cdec_BaseTRule, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_BaseTRule, /*tp_as_number*/
-  &__pyx_tp_as_sequence_BaseTRule, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_BaseTRule, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  __pyx_pw_5_cdec_9BaseTRule_3__str__, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_BaseTRule, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
-  0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_5_cdec_BaseTRule, /*tp_methods*/
-  0, /*tp_members*/
-  __pyx_getsets_5_cdec_BaseTRule, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_5_cdec_BaseTRule, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
 
-static PyObject *__pyx_tp_new_5_cdec_TRule(PyTypeObject *t, PyObject *a, PyObject *k) {
-  PyObject *o = __pyx_tp_new_5_cdec_BaseTRule(t, a, k);
-  if (!o) return 0;
-  if (__pyx_pw_5_cdec_5TRule_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
+static PyObject *__pyx_getprop_5_cdec_5TRule_lhs(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_5_cdec_5TRule_3lhs_1__get__(o);
+}
+
+static int __pyx_setprop_5_cdec_5TRule_lhs(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_5_cdec_5TRule_3lhs_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
   }
-  return o;
 }
 
 static PyMethodDef __pyx_methods_5_cdec_TRule[] = {
   {0, 0, 0, 0}
 };
 
+static struct PyGetSetDef __pyx_getsets_5_cdec_TRule[] = {
+  {(char *)"arity", __pyx_getprop_5_cdec_5TRule_arity, 0, 0, 0},
+  {(char *)"f", __pyx_getprop_5_cdec_5TRule_f, __pyx_setprop_5_cdec_5TRule_f, 0, 0},
+  {(char *)"e", __pyx_getprop_5_cdec_5TRule_e, __pyx_setprop_5_cdec_5TRule_e, 0, 0},
+  {(char *)"a", __pyx_getprop_5_cdec_5TRule_a, __pyx_setprop_5_cdec_5TRule_a, 0, 0},
+  {(char *)"scores", __pyx_getprop_5_cdec_5TRule_scores, __pyx_setprop_5_cdec_5TRule_scores, 0, 0},
+  {(char *)"lhs", __pyx_getprop_5_cdec_5TRule_lhs, __pyx_setprop_5_cdec_5TRule_lhs, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
 static PyNumberMethods __pyx_tp_as_number_TRule = {
   0, /*nb_add*/
   0, /*nb_subtract*/
@@ -18499,7 +19346,7 @@ static PyTypeObject __pyx_type_5_cdec_TRule = {
   __Pyx_NAMESTR("_cdec.TRule"), /*tp_name*/
   sizeof(struct __pyx_obj_5_cdec_TRule), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_5_cdec_BaseTRule, /*tp_dealloc*/
+  __pyx_tp_dealloc_5_cdec_TRule, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -18514,7 +19361,7 @@ static PyTypeObject __pyx_type_5_cdec_TRule = {
   &__pyx_tp_as_mapping_TRule, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
-  0, /*tp_str*/
+  __pyx_pw_5_cdec_5TRule_5__str__, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
   &__pyx_tp_as_buffer_TRule, /*tp_as_buffer*/
@@ -18528,13 +19375,13 @@ static PyTypeObject __pyx_type_5_cdec_TRule = {
   0, /*tp_iternext*/
   __pyx_methods_5_cdec_TRule, /*tp_methods*/
   0, /*tp_members*/
-  0, /*tp_getset*/
+  __pyx_getsets_5_cdec_TRule, /*tp_getset*/
   0, /*tp_base*/
   0, /*tp_dict*/
   0, /*tp_descr_get*/
   0, /*tp_descr_set*/
   0, /*tp_dictoffset*/
-  0, /*tp_init*/
+  __pyx_pw_5_cdec_5TRule_1__init__, /*tp_init*/
   0, /*tp_alloc*/
   __pyx_tp_new_5_cdec_TRule, /*tp_new*/
   0, /*tp_free*/
@@ -18550,7 +19397,7 @@ static PyTypeObject __pyx_type_5_cdec_TRule = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec_Grammar(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec_Grammar(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
@@ -18569,11 +19416,11 @@ static void __pyx_tp_dealloc_5_cdec_Grammar(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_7Grammar_name(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_7Grammar_name(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_7Grammar_4name_1__get__(o);
 }
 
-static int __pyx_setprop_5_cdec_7Grammar_name(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_5_cdec_7Grammar_name(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_5_cdec_7Grammar_4name_3__set__(o, v);
   }
@@ -18887,7 +19734,11 @@ static PyTypeObject __pyx_type_5_cdec_TextGrammar = {
   0, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
+  #if CYTHON_COMPILING_IN_PYPY
+  __pyx_pw_5_cdec_7Grammar_3__iter__, /*tp_iter*/
+  #else
   0, /*tp_iter*/
+  #endif
   0, /*tp_iternext*/
   __pyx_methods_5_cdec_TextGrammar, /*tp_methods*/
   0, /*tp_members*/
@@ -18913,7 +19764,7 @@ static PyTypeObject __pyx_type_5_cdec_TextGrammar = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec_Hypergraph(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec_Hypergraph(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
@@ -18932,19 +19783,19 @@ static void __pyx_tp_dealloc_5_cdec_Hypergraph(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_10Hypergraph_edges(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_10Hypergraph_edges(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_10Hypergraph_5edges_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_10Hypergraph_nodes(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_10Hypergraph_nodes(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_10Hypergraph_5nodes_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_10Hypergraph_goal(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_10Hypergraph_goal(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_10Hypergraph_4goal_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_10Hypergraph_npaths(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_10Hypergraph_npaths(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_10Hypergraph_6npaths_1__get__(o);
 }
 
@@ -19128,13 +19979,13 @@ static PyTypeObject __pyx_type_5_cdec_Hypergraph = {
 };
 static struct __pyx_vtabstruct_5_cdec_HypergraphEdge __pyx_vtable_5_cdec_HypergraphEdge;
 
-static PyObject *__pyx_tp_new_5_cdec_HypergraphEdge(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec_HypergraphEdge(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec_HypergraphEdge *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   p = ((struct __pyx_obj_5_cdec_HypergraphEdge *)o);
   p->__pyx_vtab = __pyx_vtabptr_5_cdec_HypergraphEdge;
-  p->trule = ((struct __pyx_obj_5_cdec_BaseTRule *)Py_None); Py_INCREF(Py_None);
+  p->trule = ((struct __pyx_obj_5_cdec_TRule *)Py_None); Py_INCREF(Py_None);
   return o;
 }
 
@@ -19157,36 +20008,36 @@ static int __pyx_tp_clear_5_cdec_HypergraphEdge(PyObject *o) {
   struct __pyx_obj_5_cdec_HypergraphEdge *p = (struct __pyx_obj_5_cdec_HypergraphEdge *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->trule);
-  p->trule = ((struct __pyx_obj_5_cdec_BaseTRule *)Py_None); Py_INCREF(Py_None);
+  p->trule = ((struct __pyx_obj_5_cdec_TRule *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   return 0;
 }
 
-static PyObject *__pyx_getprop_5_cdec_14HypergraphEdge_head_node(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_14HypergraphEdge_head_node(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_14HypergraphEdge_9head_node_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_14HypergraphEdge_tail_nodes(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_14HypergraphEdge_tail_nodes(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_14HypergraphEdge_10tail_nodes_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_14HypergraphEdge_span(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_14HypergraphEdge_span(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_14HypergraphEdge_4span_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_14HypergraphEdge_feature_values(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_14HypergraphEdge_feature_values(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_14HypergraphEdge_14feature_values_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_14HypergraphEdge_prob(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_14HypergraphEdge_prob(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_14HypergraphEdge_4prob_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_14HypergraphEdge_trule(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_14HypergraphEdge_trule(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_14HypergraphEdge_5trule_1__get__(o);
 }
 
-static int __pyx_setprop_5_cdec_14HypergraphEdge_trule(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_5_cdec_14HypergraphEdge_trule(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_5_cdec_14HypergraphEdge_5trule_3__set__(o, v);
   }
@@ -19364,7 +20215,7 @@ static PyTypeObject __pyx_type_5_cdec_HypergraphEdge = {
 };
 static struct __pyx_vtabstruct_5_cdec_HypergraphNode __pyx_vtable_5_cdec_HypergraphNode;
 
-static PyObject *__pyx_tp_new_5_cdec_HypergraphNode(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec_HypergraphNode(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec_HypergraphNode *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -19377,19 +20228,19 @@ static void __pyx_tp_dealloc_5_cdec_HypergraphNode(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_14HypergraphNode_in_edges(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_14HypergraphNode_in_edges(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_14HypergraphNode_8in_edges_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_14HypergraphNode_out_edges(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_14HypergraphNode_out_edges(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_14HypergraphNode_9out_edges_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_14HypergraphNode_span(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_14HypergraphNode_span(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_14HypergraphNode_4span_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_14HypergraphNode_cat(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_14HypergraphNode_cat(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_14HypergraphNode_3cat_1__get__(o);
 }
 
@@ -19573,7 +20424,7 @@ static void __pyx_tp_dealloc_5_cdec_Lattice(PyObject *o) {
     PyObject *etype, *eval, *etb;
     PyErr_Fetch(&etype, &eval, &etb);
     ++Py_REFCNT(o);
-    __pyx_pw_5_cdec_7Lattice_14__dealloc__(o);
+    __pyx_pw_5_cdec_7Lattice_3__dealloc__(o);
     if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
     --Py_REFCNT(o);
     PyErr_Restore(etype, eval, etb);
@@ -19590,7 +20441,7 @@ static PyObject *__pyx_sq_item_5_cdec_Lattice(PyObject *o, Py_ssize_t i) {
 
 static int __pyx_mp_ass_subscript_5_cdec_Lattice(PyObject *o, PyObject *i, PyObject *v) {
   if (v) {
-    return __pyx_pw_5_cdec_7Lattice_5__setitem__(o, i, v);
+    return __pyx_pw_5_cdec_7Lattice_7__setitem__(o, i, v);
   }
   else {
     PyErr_Format(PyExc_NotImplementedError,
@@ -19663,7 +20514,7 @@ static PyNumberMethods __pyx_tp_as_number_Lattice = {
 };
 
 static PySequenceMethods __pyx_tp_as_sequence_Lattice = {
-  __pyx_pw_5_cdec_7Lattice_7__len__, /*sq_length*/
+  __pyx_pw_5_cdec_7Lattice_9__len__, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
   __pyx_sq_item_5_cdec_Lattice, /*sq_item*/
@@ -19676,8 +20527,8 @@ static PySequenceMethods __pyx_tp_as_sequence_Lattice = {
 };
 
 static PyMappingMethods __pyx_tp_as_mapping_Lattice = {
-  __pyx_pw_5_cdec_7Lattice_7__len__, /*mp_length*/
-  __pyx_pw_5_cdec_7Lattice_3__getitem__, /*mp_subscript*/
+  __pyx_pw_5_cdec_7Lattice_9__len__, /*mp_length*/
+  __pyx_pw_5_cdec_7Lattice_5__getitem__, /*mp_subscript*/
   __pyx_mp_ass_subscript_5_cdec_Lattice, /*mp_ass_subscript*/
 };
 
@@ -19722,7 +20573,7 @@ static PyTypeObject __pyx_type_5_cdec_Lattice = {
   &__pyx_tp_as_mapping_Lattice, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
-  __pyx_pw_5_cdec_7Lattice_9__str__, /*tp_str*/
+  __pyx_pw_5_cdec_7Lattice_11__str__, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
   &__pyx_tp_as_buffer_Lattice, /*tp_as_buffer*/
@@ -19732,7 +20583,7 @@ static PyTypeObject __pyx_type_5_cdec_Lattice = {
   0, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
-  __pyx_pw_5_cdec_7Lattice_11__iter__, /*tp_iter*/
+  __pyx_pw_5_cdec_7Lattice_13__iter__, /*tp_iter*/
   0, /*tp_iternext*/
   __pyx_methods_5_cdec_Lattice, /*tp_methods*/
   0, /*tp_members*/
@@ -19758,7 +20609,7 @@ static PyTypeObject __pyx_type_5_cdec_Lattice = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec_Candidate(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec_Candidate(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
@@ -19768,19 +20619,19 @@ static void __pyx_tp_dealloc_5_cdec_Candidate(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_9Candidate_words(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_9Candidate_words(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_9Candidate_5words_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_9Candidate_fmap(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_9Candidate_fmap(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_9Candidate_4fmap_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_9Candidate_score(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_9Candidate_score(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_9Candidate_5score_1__get__(o);
 }
 
-static int __pyx_setprop_5_cdec_9Candidate_score(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_5_cdec_9Candidate_score(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_5_cdec_9Candidate_5score_3__set__(o, v);
   }
@@ -19955,7 +20806,7 @@ static PyTypeObject __pyx_type_5_cdec_Candidate = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec_SufficientStats(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec_SufficientStats(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
@@ -19981,11 +20832,11 @@ static PyObject *__pyx_sq_item_5_cdec_SufficientStats(PyObject *o, Py_ssize_t i)
   return r;
 }
 
-static PyObject *__pyx_getprop_5_cdec_15SufficientStats_score(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_15SufficientStats_score(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_15SufficientStats_5score_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_5_cdec_15SufficientStats_detail(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_15SufficientStats_detail(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_15SufficientStats_6detail_1__get__(o);
 }
 
@@ -20341,7 +21192,7 @@ static PyTypeObject __pyx_type_5_cdec_CandidateSet = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec_SegmentEvaluator(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec_SegmentEvaluator(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
@@ -20700,7 +21551,7 @@ static PyTypeObject __pyx_type_5_cdec_Scorer = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec_Metric(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec_Metric(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec_Metric *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -20941,11 +21792,11 @@ static int __pyx_tp_clear_5_cdec_Decoder(PyObject *o) {
   return 0;
 }
 
-static PyObject *__pyx_getprop_5_cdec_7Decoder_weights(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_7Decoder_weights(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_7Decoder_7weights_1__get__(o);
 }
 
-static int __pyx_setprop_5_cdec_7Decoder_weights(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_5_cdec_7Decoder_weights(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_5_cdec_7Decoder_7weights_3__set__(o, v);
   }
@@ -20955,7 +21806,7 @@ static int __pyx_setprop_5_cdec_7Decoder_weights(PyObject *o, PyObject *v, void
   }
 }
 
-static PyObject *__pyx_getprop_5_cdec_7Decoder_formalism(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_5_cdec_7Decoder_formalism(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_5_cdec_7Decoder_9formalism_1__get__(o);
 }
 
@@ -21125,7 +21976,7 @@ static PyTypeObject __pyx_type_5_cdec_Decoder = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct____iter__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct____iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct____iter__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -21316,7 +22167,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct____iter__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_1___iter__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_1___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_1___iter__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -21507,7 +22358,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_1___iter__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_2__phrase(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_2__phrase(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_2__phrase *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -21698,7 +22549,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_2__phrase = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_3_genexpr(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_3_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_3_genexpr *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -21905,7 +22756,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_3_genexpr = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_4___get__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_4___get__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_4___get__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -21933,7 +22784,7 @@ static int __pyx_tp_clear_5_cdec___pyx_scope_struct_4___get__(PyObject *o) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_4___get__ *p = (struct __pyx_obj_5_cdec___pyx_scope_struct_4___get__ *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->__pyx_v_self);
-  p->__pyx_v_self = ((struct __pyx_obj_5_cdec_BaseTRule *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_v_self = ((struct __pyx_obj_5_cdec_TRule *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   return 0;
 }
@@ -22096,7 +22947,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_4___get__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_5___str__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_5___str__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_5___str__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -22124,7 +22975,7 @@ static int __pyx_tp_clear_5_cdec___pyx_scope_struct_5___str__(PyObject *o) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_5___str__ *p = (struct __pyx_obj_5_cdec___pyx_scope_struct_5___str__ *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->__pyx_v_self);
-  p->__pyx_v_self = ((struct __pyx_obj_5_cdec_BaseTRule *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_v_self = ((struct __pyx_obj_5_cdec_TRule *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   return 0;
 }
@@ -22287,7 +23138,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_5___str__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_6_genexpr(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_6_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_6_genexpr *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -22494,7 +23345,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_6_genexpr = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_7___iter__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_7___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_7___iter__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -22693,7 +23544,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_7___iter__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_8_kbest(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_8_kbest(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_8_kbest *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -22892,7 +23743,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_8_kbest = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_9_kbest_trees(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_9_kbest_trees(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_9_kbest_trees *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -23107,7 +23958,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_9_kbest_trees = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_10_kbest_features(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_10_kbest_features(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_10_kbest_features *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -23314,7 +24165,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_10_kbest_features = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_11_sample(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_11_sample(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_11_sample *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -23505,7 +24356,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_11_sample = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_12___get__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_12___get__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_12___get__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -23696,7 +24547,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_12___get__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_13___get__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_13___get__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_13___get__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -23887,7 +24738,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_13___get__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_14___get__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_14___get__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_14___get__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -24078,7 +24929,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_14___get__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_15___get__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_15___get__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_15___get__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -24269,7 +25120,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_15___get__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_16___get__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_16___get__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_16___get__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -24460,7 +25311,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_16___get__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_17___iter__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_17___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_17___iter__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -24651,7 +25502,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_17___iter__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_18_todot(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_18_todot(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_18_todot *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -24842,7 +25693,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_18_todot = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_19_lines(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_19_lines(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_19_lines *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -25081,7 +25932,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_19_lines = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_20___iter__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_20___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_20___iter__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -25288,7 +26139,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_20___iter__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_21___iter__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_21___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_21___iter__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -25479,7 +26330,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_21___iter__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_22__make_config(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_22__make_config(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_22__make_config *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -25718,7 +26569,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_22__make_config = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_23___cinit__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_23___cinit__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_23___cinit__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -25909,7 +26760,7 @@ static PyTypeObject __pyx_type_5_cdec___pyx_scope_struct_23___cinit__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_24_genexpr(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_5_cdec___pyx_scope_struct_24_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_5_cdec___pyx_scope_struct_24_genexpr *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -26135,7 +26986,6 @@ static struct PyModuleDef __pyx_moduledef = {
 #endif
 
 static __Pyx_StringTabEntry __pyx_string_tab[] = {
-  {&__pyx_kp_s_1, __pyx_k_1, sizeof(__pyx_k_1), 0, 0, 1, 0},
   {&__pyx_kp_s_10, __pyx_k_10, sizeof(__pyx_k_10), 0, 0, 1, 0},
   {&__pyx_kp_s_11, __pyx_k_11, sizeof(__pyx_k_11), 0, 0, 1, 0},
   {&__pyx_kp_s_12, __pyx_k_12, sizeof(__pyx_k_12), 0, 0, 1, 0},
@@ -26166,8 +27016,10 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_kp_s_49, __pyx_k_49, sizeof(__pyx_k_49), 0, 0, 1, 0},
   {&__pyx_kp_s_50, __pyx_k_50, sizeof(__pyx_k_50), 0, 0, 1, 0},
   {&__pyx_kp_s_53, __pyx_k_53, sizeof(__pyx_k_53), 0, 0, 1, 0},
-  {&__pyx_kp_s_56, __pyx_k_56, sizeof(__pyx_k_56), 0, 0, 1, 0},
-  {&__pyx_kp_s_62, __pyx_k_62, sizeof(__pyx_k_62), 0, 0, 1, 0},
+  {&__pyx_n_s_54, __pyx_k_54, sizeof(__pyx_k_54), 0, 0, 1, 1},
+  {&__pyx_n_s_55, __pyx_k_55, sizeof(__pyx_k_55), 0, 0, 1, 1},
+  {&__pyx_kp_s_58, __pyx_k_58, sizeof(__pyx_k_58), 0, 0, 1, 0},
+  {&__pyx_kp_s_64, __pyx_k_64, sizeof(__pyx_k_64), 0, 0, 1, 0},
   {&__pyx_kp_s_7, __pyx_k_7, sizeof(__pyx_k_7), 0, 0, 1, 0},
   {&__pyx_kp_s_8, __pyx_k_8, sizeof(__pyx_k_8), 0, 0, 1, 0},
   {&__pyx_kp_s_9, __pyx_k_9, sizeof(__pyx_k_9), 0, 0, 1, 0},
@@ -26180,6 +27032,7 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__KeyError, __pyx_k__KeyError, sizeof(__pyx_k__KeyError), 0, 0, 1, 1},
   {&__pyx_n_s__NotImplemented, __pyx_k__NotImplemented, sizeof(__pyx_k__NotImplemented), 0, 0, 1, 1},
   {&__pyx_n_s__ParseFailed, __pyx_k__ParseFailed, sizeof(__pyx_k__ParseFailed), 0, 0, 1, 1},
+  {&__pyx_n_s__PhraseModel_, __pyx_k__PhraseModel_, sizeof(__pyx_k__PhraseModel_), 0, 0, 1, 1},
   {&__pyx_n_s__TER, __pyx_k__TER, sizeof(__pyx_k__TER), 0, 0, 1, 1},
   {&__pyx_n_s__TypeError, __pyx_k__TypeError, sizeof(__pyx_k__TypeError), 0, 0, 1, 1},
   {&__pyx_n_s__ValueError, __pyx_k__ValueError, sizeof(__pyx_k__ValueError), 0, 0, 1, 1},
@@ -26192,6 +27045,7 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s___cdec, __pyx_k___cdec, sizeof(__pyx_k___cdec), 0, 0, 1, 1},
   {&__pyx_n_s___make_config, __pyx_k___make_config, sizeof(__pyx_k___make_config), 0, 0, 1, 1},
   {&__pyx_n_s___phrase, __pyx_k___phrase, sizeof(__pyx_k___phrase), 0, 0, 1, 1},
+  {&__pyx_n_s___sa, __pyx_k___sa, sizeof(__pyx_k___sa), 0, 0, 1, 1},
   {&__pyx_n_s__a, __pyx_k__a, sizeof(__pyx_k__a), 0, 0, 1, 1},
   {&__pyx_n_s__beam_alpha, __pyx_k__beam_alpha, sizeof(__pyx_k__beam_alpha), 0, 0, 1, 1},
   {&__pyx_n_s__cat, __pyx_k__cat, sizeof(__pyx_k__cat), 0, 0, 1, 1},
@@ -26210,6 +27064,7 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__evaluator, __pyx_k__evaluator, sizeof(__pyx_k__evaluator), 0, 0, 1, 1},
   {&__pyx_n_s__f, __pyx_k__f, sizeof(__pyx_k__f), 0, 0, 1, 1},
   {&__pyx_n_s__formalism, __pyx_k__formalism, sizeof(__pyx_k__formalism), 0, 0, 1, 1},
+  {&__pyx_n_s__format, __pyx_k__format, sizeof(__pyx_k__format), 0, 0, 1, 1},
   {&__pyx_n_s__fst, __pyx_k__fst, sizeof(__pyx_k__fst), 0, 0, 1, 1},
   {&__pyx_n_s__genexpr, __pyx_k__genexpr, sizeof(__pyx_k__genexpr), 0, 0, 1, 1},
   {&__pyx_n_s__get, __pyx_k__get, sizeof(__pyx_k__get), 0, 0, 1, 1},
@@ -26257,14 +27112,14 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
 static int __Pyx_InitCachedBuiltins(void) {
   __pyx_builtin_Exception = __Pyx_GetName(__pyx_b, __pyx_n_s__Exception); if (!__pyx_builtin_Exception) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 25; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_builtin_TypeError = __Pyx_GetName(__pyx_b, __pyx_n_s__TypeError); if (!__pyx_builtin_TypeError) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 13; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_KeyError = __Pyx_GetName(__pyx_b, __pyx_n_s__KeyError); if (!__pyx_builtin_KeyError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 13; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_range = __Pyx_GetName(__pyx_b, __pyx_n_s__range); if (!__pyx_builtin_range) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_NotImplemented = __Pyx_GetName(__pyx_b, __pyx_n_s__NotImplemented); if (!__pyx_builtin_NotImplemented) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_ValueError = __Pyx_GetName(__pyx_b, __pyx_n_s__ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_KeyError = __Pyx_GetName(__pyx_b, __pyx_n_s__KeyError); if (!__pyx_builtin_KeyError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 22; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_range = __Pyx_GetName(__pyx_b, __pyx_n_s__range); if (!__pyx_builtin_range) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 33; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_NotImplemented = __Pyx_GetName(__pyx_b, __pyx_n_s__NotImplemented); if (!__pyx_builtin_NotImplemented) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_ValueError = __Pyx_GetName(__pyx_b, __pyx_n_s__ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_builtin_eval = __Pyx_GetName(__pyx_b, __pyx_n_s__eval); if (!__pyx_builtin_eval) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_builtin_enumerate = __Pyx_GetName(__pyx_b, __pyx_n_s__enumerate); if (!__pyx_builtin_enumerate) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_IndexError = __Pyx_GetName(__pyx_b, __pyx_n_s__IndexError); if (!__pyx_builtin_IndexError) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 21; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_open = __Pyx_GetName(__pyx_b, __pyx_n_s__open); if (!__pyx_builtin_open) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_IndexError = __Pyx_GetName(__pyx_b, __pyx_n_s__IndexError); if (!__pyx_builtin_IndexError) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_open = __Pyx_GetName(__pyx_b, __pyx_n_s__open); if (!__pyx_builtin_open) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   return 0;
   __pyx_L1_error:;
   return -1;
@@ -26288,41 +27143,41 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__utf8));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_2));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":77
+  /* "/Users/vchahun/Sandbox/cdec/python/src/vectors.pxi":89
  *         elif op == 3: # !=
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+  __pyx_k_tuple_5 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":4
+  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":6
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+  __pyx_k_tuple_6 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_6)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":175
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":200
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":21
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":34
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+  __pyx_k_tuple_25 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_25)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 37; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/lattice.pxi":38
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+  __pyx_k_tuple_51 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_51)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_51));
 
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+  __pyx_k_tuple_52 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_52)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":3
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":5
+ * import cdec.sa._sa as _sa
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-  __Pyx_GOTREF(__pyx_k_tuple_54);
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-  PyTuple_SET_ITEM(__pyx_k_tuple_54, 0, ((PyObject *)__pyx_n_s__phrase));
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   __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
-  PyTuple_SET_ITEM(__pyx_k_tuple_54, 1, ((PyObject *)__pyx_n_s__genexpr));
+  PyTuple_SET_ITEM(__pyx_k_tuple_56, 1, ((PyObject *)__pyx_n_s__genexpr));
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   __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
-  PyTuple_SET_ITEM(__pyx_k_tuple_54, 2, ((PyObject *)__pyx_n_s__genexpr));
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   /*--- Initialize various global constants etc. ---*/
   if (unlikely(__Pyx_InitGlobals() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -26715,28 +27575,24 @@ PyMODINIT_FUNC PyInit__cdec(void)
   if (PyType_Ready(&__pyx_type_5_cdec_DenseVector) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 3; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__Pyx_SetAttrString(__pyx_m, "DenseVector", (PyObject *)&__pyx_type_5_cdec_DenseVector) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 3; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec_DenseVector = &__pyx_type_5_cdec_DenseVector;
-  if (PyType_Ready(&__pyx_type_5_cdec_SparseVector) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 36; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "SparseVector", (PyObject *)&__pyx_type_5_cdec_SparseVector) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 36; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec_SparseVector) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 45; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "SparseVector", (PyObject *)&__pyx_type_5_cdec_SparseVector) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 45; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec_SparseVector = &__pyx_type_5_cdec_SparseVector;
-  if (PyType_Ready(&__pyx_type_5_cdec_NT) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "NT", (PyObject *)&__pyx_type_5_cdec_NT) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec_NT) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "NT", (PyObject *)&__pyx_type_5_cdec_NT) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec_NT = &__pyx_type_5_cdec_NT;
-  if (PyType_Ready(&__pyx_type_5_cdec_NTRef) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "NTRef", (PyObject *)&__pyx_type_5_cdec_NTRef) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec_NTRef) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 20; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "NTRef", (PyObject *)&__pyx_type_5_cdec_NTRef) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 20; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec_NTRef = &__pyx_type_5_cdec_NTRef;
-  if (PyType_Ready(&__pyx_type_5_cdec_BaseTRule) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 26; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "BaseTRule", (PyObject *)&__pyx_type_5_cdec_BaseTRule) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 26; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_5_cdec_BaseTRule = &__pyx_type_5_cdec_BaseTRule;
-  __pyx_type_5_cdec_TRule.tp_base = __pyx_ptype_5_cdec_BaseTRule;
-  if (PyType_Ready(&__pyx_type_5_cdec_TRule) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 135; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "TRule", (PyObject *)&__pyx_type_5_cdec_TRule) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 135; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec_TRule) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "TRule", (PyObject *)&__pyx_type_5_cdec_TRule) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec_TRule = &__pyx_type_5_cdec_TRule;
-  if (PyType_Ready(&__pyx_type_5_cdec_Grammar) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 146; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Grammar", (PyObject *)&__pyx_type_5_cdec_Grammar) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 146; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec_Grammar) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 169; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Grammar", (PyObject *)&__pyx_type_5_cdec_Grammar) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 169; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec_Grammar = &__pyx_type_5_cdec_Grammar;
   __pyx_type_5_cdec_TextGrammar.tp_base = __pyx_ptype_5_cdec_Grammar;
-  if (PyType_Ready(&__pyx_type_5_cdec_TextGrammar) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 169; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "TextGrammar", (PyObject *)&__pyx_type_5_cdec_TextGrammar) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 169; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec_TextGrammar) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "TextGrammar", (PyObject *)&__pyx_type_5_cdec_TextGrammar) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec_TextGrammar = &__pyx_type_5_cdec_TextGrammar;
   if (PyType_Ready(&__pyx_type_5_cdec_Hypergraph) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__Pyx_SetAttrString(__pyx_m, "Hypergraph", (PyObject *)&__pyx_type_5_cdec_Hypergraph) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -26777,21 +27633,21 @@ PyMODINIT_FUNC PyInit__cdec(void)
   if (PyType_Ready(&__pyx_type_5_cdec_Decoder) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 39; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__Pyx_SetAttrString(__pyx_m, "Decoder", (PyObject *)&__pyx_type_5_cdec_Decoder) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 39; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec_Decoder = &__pyx_type_5_cdec_Decoder;
-  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct____iter__) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 22; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct____iter__) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct____iter__ = &__pyx_type_5_cdec___pyx_scope_struct____iter__;
-  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_1___iter__) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_1___iter__) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct_1___iter__ = &__pyx_type_5_cdec___pyx_scope_struct_1___iter__;
-  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_2__phrase) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 3; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_2__phrase) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct_2__phrase = &__pyx_type_5_cdec___pyx_scope_struct_2__phrase;
-  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_3_genexpr) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_3_genexpr) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct_3_genexpr = &__pyx_type_5_cdec___pyx_scope_struct_3_genexpr;
-  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_4___get__) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_4___get__) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct_4___get__ = &__pyx_type_5_cdec___pyx_scope_struct_4___get__;
-  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_5___str__) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_5___str__) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 164; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct_5___str__ = &__pyx_type_5_cdec___pyx_scope_struct_5___str__;
-  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_6_genexpr) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 131; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_6_genexpr) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 165; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct_6_genexpr = &__pyx_type_5_cdec___pyx_scope_struct_6_genexpr;
-  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_7___iter__) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 152; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_7___iter__) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct_7___iter__ = &__pyx_type_5_cdec___pyx_scope_struct_7___iter__;
   if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_8_kbest) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct_8_kbest = &__pyx_type_5_cdec___pyx_scope_struct_8_kbest;
@@ -26811,7 +27667,7 @@ PyMODINIT_FUNC PyInit__cdec(void)
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   if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_16___get__) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 209; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct_16___get__ = &__pyx_type_5_cdec___pyx_scope_struct_16___get__;
-  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_17___iter__) < 0) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 49; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_17___iter__) < 0) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 52; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct_17___iter__ = &__pyx_type_5_cdec___pyx_scope_struct_17___iter__;
   if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_18_todot) < 0) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct_18_todot = &__pyx_type_5_cdec___pyx_scope_struct_18_todot;
@@ -26828,21 +27684,48 @@ PyMODINIT_FUNC PyInit__cdec(void)
   if (PyType_Ready(&__pyx_type_5_cdec___pyx_scope_struct_24_genexpr) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_5_cdec___pyx_scope_struct_24_genexpr = &__pyx_type_5_cdec___pyx_scope_struct_24_genexpr;
   /*--- Type import code ---*/
+  __pyx_ptype_4cdec_2sa_3_sa_Phrase = __Pyx_ImportType("cdec.sa._sa", "Phrase", sizeof(struct __pyx_obj_4cdec_2sa_3_sa_Phrase), 1); if (unlikely(!__pyx_ptype_4cdec_2sa_3_sa_Phrase)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_vtabptr_4cdec_2sa_3_sa_Phrase = (struct __pyx_vtabstruct_4cdec_2sa_3_sa_Phrase*)__Pyx_GetVtable(__pyx_ptype_4cdec_2sa_3_sa_Phrase->tp_dict); if (unlikely(!__pyx_vtabptr_4cdec_2sa_3_sa_Phrase)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_4cdec_2sa_3_sa_Rule = __Pyx_ImportType("cdec.sa._sa", "Rule", sizeof(struct __pyx_obj_4cdec_2sa_3_sa_Rule), 1); if (unlikely(!__pyx_ptype_4cdec_2sa_3_sa_Rule)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   /*--- Variable import code ---*/
   /*--- Function import code ---*/
+  __pyx_t_1 = __Pyx_ImportModule("cdec.sa._sa"); if (!__pyx_t_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_ImportFunction(__pyx_t_1, "sym_tostring", (void (**)(void))&__pyx_f_4cdec_2sa_3_sa_sym_tostring, "char *(int)") < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_ImportFunction(__pyx_t_1, "sym_tocat", (void (**)(void))&__pyx_f_4cdec_2sa_3_sa_sym_tocat, "char *(int)") < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_ImportFunction(__pyx_t_1, "sym_isvar", (void (**)(void))&__pyx_f_4cdec_2sa_3_sa_sym_isvar, "int (int)") < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_ImportFunction(__pyx_t_1, "sym_getindex", (void (**)(void))&__pyx_f_4cdec_2sa_3_sa_sym_getindex, "int (int)") < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  Py_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   /*--- Execution code ---*/
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":3
  * cimport grammar
+ * cimport cdec.sa._sa as _sa
+ * import cdec.sa._sa as _sa             # <<<<<<<<<<<<<<
+ * 
+ * def _phrase(phrase):
+ */
+  __pyx_t_2 = PyList_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 3; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s_55));
+  PyList_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_n_s_55));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s_55));
+  __pyx_t_3 = __Pyx_Import(((PyObject *)__pyx_n_s_54), ((PyObject *)__pyx_t_2), -1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 3; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s___sa, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 3; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/grammar.pxi":5
+ * import cdec.sa._sa as _sa
  * 
  * def _phrase(phrase):             # <<<<<<<<<<<<<<
  *     return ' '.join(w.encode('utf8') if isinstance(w, unicode) else str(w) for w in phrase)
  * 
  */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_5_cdec_1_phrase, NULL, __pyx_n_s___cdec); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 3; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s___phrase, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 3; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_3 = PyCFunction_NewEx(&__pyx_mdef_5_cdec_1_phrase, NULL, __pyx_n_s___cdec); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s___phrase, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/mteval.pxi":190
  *         return []
@@ -26851,10 +27734,10 @@ PyMODINIT_FUNC PyInit__cdec(void)
  * TER = Scorer('TER')
  * CER = Scorer('CER')
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_Scorer)), ((PyObject *)__pyx_k_tuple_57), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__BLEU, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_Scorer)), ((PyObject *)__pyx_k_tuple_59), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__BLEU, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/mteval.pxi":191
  * 
@@ -26862,20 +27745,20 @@ PyMODINIT_FUNC PyInit__cdec(void)
  * TER = Scorer('TER')             # <<<<<<<<<<<<<<
  * CER = Scorer('CER')
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_Scorer)), ((PyObject *)__pyx_k_tuple_58), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__TER, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_Scorer)), ((PyObject *)__pyx_k_tuple_60), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__TER, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/mteval.pxi":192
  * BLEU = Scorer('IBM_BLEU')
  * TER = Scorer('TER')
  * CER = Scorer('CER')             # <<<<<<<<<<<<<<
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_Scorer)), ((PyObject *)__pyx_k_tuple_59), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__CER, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5_cdec_Scorer)), ((PyObject *)__pyx_k_tuple_61), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__CER, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
   /* "_cdec.pyx":22
  * include "mteval.pxi"
@@ -26902,19 +27785,19 @@ PyMODINIT_FUNC PyInit__cdec(void)
  * class ParseFailed(Exception): pass
  * 
  */
-  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 25; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
+  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 25; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_3));
   __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 25; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_INCREF(__pyx_builtin_Exception);
   PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_builtin_Exception);
   __Pyx_GIVEREF(__pyx_builtin_Exception);
-  __pyx_t_3 = __Pyx_CreateClass(((PyObject *)__pyx_t_2), ((PyObject *)__pyx_t_1), __pyx_n_s__InvalidConfig, __pyx_n_s___cdec); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 25; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
+  __pyx_t_4 = __Pyx_CreateClass(((PyObject *)__pyx_t_2), ((PyObject *)__pyx_t_3), __pyx_n_s__InvalidConfig, __pyx_n_s___cdec); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 25; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
   __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__InvalidConfig, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 25; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__InvalidConfig, __pyx_t_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 25; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
 
   /* "_cdec.pyx":26
  * 
@@ -26923,19 +27806,19 @@ PyMODINIT_FUNC PyInit__cdec(void)
  * 
  * def _make_config(config):
  */
-  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 26; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
-  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 26; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
+  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 26; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_3));
+  __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 26; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
   __Pyx_INCREF(__pyx_builtin_Exception);
-  PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_builtin_Exception);
+  PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_builtin_Exception);
   __Pyx_GIVEREF(__pyx_builtin_Exception);
-  __pyx_t_2 = __Pyx_CreateClass(((PyObject *)__pyx_t_3), ((PyObject *)__pyx_t_1), __pyx_n_s__ParseFailed, __pyx_n_s___cdec); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 26; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = __Pyx_CreateClass(((PyObject *)__pyx_t_4), ((PyObject *)__pyx_t_3), __pyx_n_s__ParseFailed, __pyx_n_s___cdec); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 26; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
-  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
   if (PyObject_SetAttr(__pyx_m, __pyx_n_s__ParseFailed, __pyx_t_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 26; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
 
   /* "_cdec.pyx":28
  * class ParseFailed(Exception): pass
@@ -26944,25 +27827,34 @@ PyMODINIT_FUNC PyInit__cdec(void)
  *     for key, value in config.items():
  *         if isinstance(value, dict):
  */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_5_cdec_3_make_config, NULL, __pyx_n_s___cdec); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s___make_config, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_3 = PyCFunction_NewEx(&__pyx_mdef_5_cdec_3_make_config, NULL, __pyx_n_s___cdec); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s___make_config, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
   /* "_cdec.pyx":1
  * from libcpp.string cimport string             # <<<<<<<<<<<<<<
  * from libcpp.vector cimport vector
  * from utils cimport *
  */
-  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s____test__, ((PyObject *)__pyx_t_1)) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_3));
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s____test__, ((PyObject *)__pyx_t_3)) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+
+  /* "string.to_py":25
+ * 
+ * @cname("__pyx_convert_string_to_py_")
+ * cdef object __pyx_convert_string_to_py_(string& s):             # <<<<<<<<<<<<<<
+ *     return s.data()[:s.size()]
+ * 
+ */
   goto __pyx_L0;
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_XDECREF(__pyx_t_2);
   __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_4);
   if (__pyx_m) {
     __Pyx_AddTraceback("init _cdec", __pyx_clineno, __pyx_lineno, __pyx_filename);
     Py_DECREF(__pyx_m); __pyx_m = 0;
@@ -27163,6 +28055,71 @@ bad:
 }
 #endif
 
+static void __Pyx_RaiseArgtupleInvalid(
+    const char* func_name,
+    int exact,
+    Py_ssize_t num_min,
+    Py_ssize_t num_max,
+    Py_ssize_t num_found)
+{
+    Py_ssize_t num_expected;
+    const char *more_or_less;
+    if (num_found < num_min) {
+        num_expected = num_min;
+        more_or_less = "at least";
+    } else {
+        num_expected = num_max;
+        more_or_less = "at most";
+    }
+    if (exact) {
+        more_or_less = "exactly";
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "%s() takes %s %" PY_FORMAT_SIZE_T "d positional argument%s (%" PY_FORMAT_SIZE_T "d given)",
+                 func_name, more_or_less, num_expected,
+                 (num_expected == 1) ? "" : "s", num_found);
+}
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
+    PyObject *kwdict,
+    const char* function_name,
+    int kw_allowed)
+{
+    PyObject* key = 0;
+    Py_ssize_t pos = 0;
+#if CPYTHON_COMPILING_IN_PYPY
+    if (!kw_allowed && PyDict_Next(kwdict, &pos, &key, 0))
+        goto invalid_keyword;
+    return 1;
+#else
+    while (PyDict_Next(kwdict, &pos, &key, 0)) {
+        #if PY_MAJOR_VERSION < 3
+        if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
+        #else
+        if (unlikely(!PyUnicode_Check(key)))
+        #endif
+            goto invalid_keyword_type;
+    }
+    if ((!kw_allowed) && unlikely(key))
+        goto invalid_keyword;
+    return 1;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%s() keywords must be strings", function_name);
+    return 0;
+#endif
+invalid_keyword:
+    PyErr_Format(PyExc_TypeError,
+    #if PY_MAJOR_VERSION < 3
+        "%s() got an unexpected keyword argument '%s'",
+        function_name, PyString_AsString(key));
+    #else
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+    return 0;
+}
+
 static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
     const char *name, int exact)
 {
@@ -27289,42 +28246,49 @@ bad:
     return -1;
 }
 
-static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
-    Py_ssize_t num_expected;
-    const char *more_or_less;
-    if (num_found < num_min) {
-        num_expected = num_min;
-        more_or_less = "at least";
-    } else {
-        num_expected = num_max;
-        more_or_less = "at most";
-    }
-    if (exact) {
-        more_or_less = "exactly";
-    }
-    PyErr_Format(PyExc_TypeError,
-                 "%s() takes %s %"PY_FORMAT_SIZE_T"d positional argument%s (%"PY_FORMAT_SIZE_T"d given)",
-                 func_name, more_or_less, num_expected,
-                 (num_expected == 1) ? "" : "s", num_found);
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
+    PyErr_Format(PyExc_ValueError,
+                 "too many values to unpack (expected %" PY_FORMAT_SIZE_T "d)", expected);
 }
 
-
-
 static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
     PyErr_Format(PyExc_ValueError,
-                 "need more than %"PY_FORMAT_SIZE_T"d value%s to unpack",
+                 "need more than %" PY_FORMAT_SIZE_T "d value%s to unpack",
                  index, (index == 1) ? "" : "s");
 }
 
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
-    PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %"PY_FORMAT_SIZE_T"d)", expected);
+static CYTHON_INLINE int __Pyx_IterFinish(void) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    PyObject* exc_type = tstate->curexc_type;
+    if (unlikely(exc_type)) {
+        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
+            PyObject *exc_value, *exc_tb;
+            exc_value = tstate->curexc_value;
+            exc_tb = tstate->curexc_traceback;
+            tstate->curexc_type = 0;
+            tstate->curexc_value = 0;
+            tstate->curexc_traceback = 0;
+            Py_DECREF(exc_type);
+            Py_XDECREF(exc_value);
+            Py_XDECREF(exc_tb);
+            return 0;
+        } else {
+            return -1;
+        }
+    }
+    return 0;
+#else
+    if (unlikely(PyErr_Occurred())) {
+        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
+            PyErr_Clear();
+            return 0;
+        } else {
+            return -1;
+        }
+    }
+    return 0;
+#endif
 }
 
 static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
@@ -27332,79 +28296,54 @@ static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
         Py_DECREF(retval);
         __Pyx_RaiseTooManyValuesError(expected);
         return -1;
-    } else if (PyErr_Occurred()) {
-        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
-            PyErr_Clear();
-            return 0;
-        } else {
-            return -1;
-        }
+    } else {
+        return __Pyx_IterFinish();
     }
     return 0;
 }
 
 static CYTHON_INLINE PyObject *__Pyx_PyIter_Next2(PyObject* iterator, PyObject* defval) {
     PyObject* next;
-    if (unlikely(!PyIter_Check(iterator))) {
+    iternextfunc iternext = Py_TYPE(iterator)->tp_iternext;
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (unlikely(!iternext)) {
+#else
+    if (unlikely(!iternext) || unlikely(!PyIter_Check(iterator))) {
+#endif
         PyErr_Format(PyExc_TypeError,
-            "%.200s object is not an iterator", iterator->ob_type->tp_name);
+            "%.200s object is not an iterator", Py_TYPE(iterator)->tp_name);
         return NULL;
     }
-    next = (*(Py_TYPE(iterator)->tp_iternext))(iterator);
-    if (likely(next)) {
+    next = iternext(iterator);
+    if (likely(next))
         return next;
-    } else if (defval) {
-        if (PyErr_Occurred()) {
-            if(!PyErr_ExceptionMatches(PyExc_StopIteration))
-                return NULL;
-            PyErr_Clear();
-        }
-        Py_INCREF(defval);
-        return defval;
-    } else if (PyErr_Occurred()) {
-        return NULL;
-    } else {
-        PyErr_SetNone(PyExc_StopIteration);
-        return NULL;
-    }
-}
-
-static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
-    PyObject *kwdict,
-    const char* function_name,
-    int kw_allowed)
-{
-    PyObject* key = 0;
-    Py_ssize_t pos = 0;
-    while (PyDict_Next(kwdict, &pos, &key, 0)) {
-        #if PY_MAJOR_VERSION < 3
-        if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
-        #else
-        if (unlikely(!PyUnicode_Check(key)))
-        #endif
-            goto invalid_keyword_type;
-    }
-    if ((!kw_allowed) && unlikely(key))
-        goto invalid_keyword;
-    return 1;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%s() keywords must be strings", function_name);
-    return 0;
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%s() got an unexpected keyword argument '%s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-    return 0;
+#if CYTHON_COMPILING_IN_CPYTHON
+#if PY_VERSION_HEX >= 0x03010000 || (PY_MAJOR_VERSION < 3 && PY_VERSION_HEX >= 0x02070000)
+    if (unlikely(iternext == &_PyObject_NextNotImplemented))
+        return NULL;
+#endif
+#endif
+    if (defval) {
+        PyObject* exc_type = PyErr_Occurred();
+        if (exc_type) {
+            if (unlikely(exc_type != PyExc_StopIteration) &&
+                    !PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))
+                return NULL;
+            PyErr_Clear();
+        }
+        Py_INCREF(defval);
+        return defval;
+    }
+    if (!PyErr_Occurred())
+        PyErr_SetNone(PyExc_StopIteration);
+    return NULL;
 }
 
 static double __Pyx__PyObject_AsDouble(PyObject* obj) {
     PyObject* float_value;
+#if CYTHON_COMPILING_IN_PYPY
+    float_value = PyNumber_Float(obj);
+#else
     if (Py_TYPE(obj)->tp_as_number && Py_TYPE(obj)->tp_as_number->nb_float) {
         return PyFloat_AsDouble(obj);
     } else if (PyUnicode_CheckExact(obj) || PyBytes_CheckExact(obj)) {
@@ -27421,6 +28360,7 @@ static double __Pyx__PyObject_AsDouble(PyObject* obj) {
         PyTuple_SET_ITEM(args, 0, 0);
         Py_DECREF(args);
     }
+#endif
     if (likely(float_value)) {
         double value = PyFloat_AS_DOUBLE(float_value);
         Py_DECREF(float_value);
@@ -27432,6 +28372,7 @@ bad:
 
 static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
     PyObject *local_type, *local_value, *local_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
     PyObject *tmp_type, *tmp_value, *tmp_tb;
     PyThreadState *tstate = PyThreadState_GET();
     local_type = tstate->curexc_type;
@@ -27440,19 +28381,27 @@ static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
     tstate->curexc_type = 0;
     tstate->curexc_value = 0;
     tstate->curexc_traceback = 0;
+#else
+    PyErr_Fetch(&local_type, &local_value, &local_tb);
+#endif
     PyErr_NormalizeException(&local_type, &local_value, &local_tb);
+#if CYTHON_COMPILING_IN_CPYTHON
     if (unlikely(tstate->curexc_type))
+#else
+    if (unlikely(PyErr_Occurred()))
+#endif
         goto bad;
     #if PY_MAJOR_VERSION >= 3
     if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
         goto bad;
     #endif
-    *type = local_type;
-    *value = local_value;
-    *tb = local_tb;
     Py_INCREF(local_type);
     Py_INCREF(local_value);
     Py_INCREF(local_tb);
+    *type = local_type;
+    *value = local_value;
+    *tb = local_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
     tmp_type = tstate->exc_type;
     tmp_value = tstate->exc_value;
     tmp_tb = tstate->exc_traceback;
@@ -27460,10 +28409,13 @@ static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
     tstate->exc_value = local_value;
     tstate->exc_traceback = local_tb;
     /* Make sure tstate is in a consistent state when we XDECREF
-       these objects (XDECREF may run arbitrary code). */
+       these objects (DECREF may run arbitrary code). */
     Py_XDECREF(tmp_type);
     Py_XDECREF(tmp_value);
     Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(local_type, local_value, local_tb);
+#endif
     return 0;
 bad:
     *type = 0;
@@ -27476,6 +28428,7 @@ bad:
 }
 
 static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
     PyThreadState *tstate = PyThreadState_GET();
     *type = tstate->exc_type;
     *value = tstate->exc_value;
@@ -27483,8 +28436,12 @@ static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value,
     Py_XINCREF(*type);
     Py_XINCREF(*value);
     Py_XINCREF(*tb);
+#else
+    PyErr_GetExcInfo(type, value, tb);
+#endif
 }
 static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
     PyObject *tmp_type, *tmp_value, *tmp_tb;
     PyThreadState *tstate = PyThreadState_GET();
     tmp_type = tstate->exc_type;
@@ -27496,11 +28453,82 @@ static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb)
     Py_XDECREF(tmp_type);
     Py_XDECREF(tmp_value);
     Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(type, value, tb);
+#endif
+}
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level) {
+    PyObject *py_import = 0;
+    PyObject *empty_list = 0;
+    PyObject *module = 0;
+    PyObject *global_dict = 0;
+    PyObject *empty_dict = 0;
+    PyObject *list;
+    py_import = __Pyx_GetAttrString(__pyx_b, "__import__");
+    if (!py_import)
+        goto bad;
+    if (from_list)
+        list = from_list;
+    else {
+        empty_list = PyList_New(0);
+        if (!empty_list)
+            goto bad;
+        list = empty_list;
+    }
+    global_dict = PyModule_GetDict(__pyx_m);
+    if (!global_dict)
+        goto bad;
+    empty_dict = PyDict_New();
+    if (!empty_dict)
+        goto bad;
+    #if PY_VERSION_HEX >= 0x02050000
+    {
+        #if PY_MAJOR_VERSION >= 3
+        if (level == -1) {
+            if (strchr(__Pyx_MODULE_NAME, '.')) {
+                /* try package relative import first */
+                PyObject *py_level = PyInt_FromLong(1);
+                if (!py_level)
+                    goto bad;
+                module = PyObject_CallFunctionObjArgs(py_import,
+                    name, global_dict, empty_dict, list, py_level, NULL);
+                Py_DECREF(py_level);
+                if (!module) {
+                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
+                        goto bad;
+                    PyErr_Clear();
+                }
+            }
+            level = 0; /* try absolute import on failure */
+        }
+        #endif
+        if (!module) {
+            PyObject *py_level = PyInt_FromLong(level);
+            if (!py_level)
+                goto bad;
+            module = PyObject_CallFunctionObjArgs(py_import,
+                name, global_dict, empty_dict, list, py_level, NULL);
+            Py_DECREF(py_level);
+        }
+    }
+    #else
+    if (level>0) {
+        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
+        goto bad;
+    }
+    module = PyObject_CallFunctionObjArgs(py_import,
+        name, global_dict, empty_dict, list, NULL);
+    #endif
+bad:
+    Py_XDECREF(empty_list);
+    Py_XDECREF(py_import);
+    Py_XDECREF(empty_dict);
+    return module;
 }
 
 static PyObject *__Pyx_FindPy2Metaclass(PyObject *bases) {
     PyObject *metaclass;
-    /* Default metaclass */
 #if PY_MAJOR_VERSION < 3
     if (PyTuple_Check(bases) && PyTuple_GET_SIZE(bases) > 0) {
         PyObject *base = PyTuple_GET_ITEM(bases, 0);
@@ -27530,7 +28558,6 @@ static PyObject *__Pyx_CreateClass(PyObject *bases, PyObject *dict, PyObject *na
     PyObject *metaclass;
     if (PyDict_SetItemString(dict, "__module__", modname) < 0)
         return NULL;
-    /* Python2 __metaclass__ */
     metaclass = PyDict_GetItemString(dict, "__metaclass__");
     if (metaclass) {
         Py_INCREF(metaclass);
@@ -27912,6 +28939,56 @@ __Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
                                PyString_AsString(func_name), (void *)op);
 #endif
 }
+#if CYTHON_COMPILING_IN_PYPY
+static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyCFunctionObject* f = (PyCFunctionObject*)func;
+    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
+    PyObject *self = PyCFunction_GET_SELF(func);
+    Py_ssize_t size;
+    switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)) {
+    case METH_VARARGS:
+        if (likely(kw == NULL) || PyDict_Size(kw) == 0)
+            return (*meth)(self, arg);
+        break;
+    case METH_VARARGS | METH_KEYWORDS:
+        return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
+    case METH_NOARGS:
+        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
+            size = PyTuple_GET_SIZE(arg);
+            if (size == 0)
+                return (*meth)(self, NULL);
+            PyErr_Format(PyExc_TypeError,
+                "%.200s() takes no arguments (%zd given)",
+                f->m_ml->ml_name, size);
+            return NULL;
+        }
+        break;
+    case METH_O:
+        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
+            size = PyTuple_GET_SIZE(arg);
+            if (size == 1)
+                return (*meth)(self, PyTuple_GET_ITEM(arg, 0));
+            PyErr_Format(PyExc_TypeError,
+                "%.200s() takes exactly one argument (%zd given)",
+                f->m_ml->ml_name, size);
+            return NULL;
+        }
+        break;
+    default:
+        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
+                        "__Pyx_CyFunction_Call. METH_OLDARGS is no "
+                        "longer supported!");
+        return NULL;
+    }
+    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
+                 f->m_ml->ml_name);
+    return NULL;
+}
+#else
+static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+	return PyCFunction_Call(func, arg, kw);
+}
+#endif
 static PyTypeObject __pyx_CyFunctionType_type = {
     PyVarObject_HEAD_INIT(0, 0)
     __Pyx_NAMESTR("cython_function_or_method"), /*tp_name*/
@@ -27931,7 +29008,7 @@ static PyTypeObject __pyx_CyFunctionType_type = {
     0,                                  /*tp_as_sequence*/
     0,                                  /*tp_as_mapping*/
     0,                                  /*tp_hash*/
-    __Pyx_PyCFunction_Call,             /*tp_call*/
+    __Pyx_CyFunction_Call,              /*tp_call*/
     0,                                  /*tp_str*/
     0,                                  /*tp_getattro*/
     0,                                  /*tp_setattro*/
@@ -27967,15 +29044,16 @@ static PyTypeObject __pyx_CyFunctionType_type = {
     0,                                  /*tp_version_tag*/
 #endif
 };
-static int __Pyx_CyFunction_init(void)
-{
+static int __Pyx_CyFunction_init(void) {
+#if !CYTHON_COMPILING_IN_PYPY
+    __pyx_CyFunctionType_type.tp_call = PyCFunction_Call;
+#endif
     if (PyType_Ready(&__pyx_CyFunctionType_type) < 0)
         return -1;
     __pyx_CyFunctionType = &__pyx_CyFunctionType_type;
     return 0;
 }
-void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects)
-{
+static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
     __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
     m->defaults = PyMem_Malloc(size);
     if (!m->defaults)
@@ -27984,14 +29062,16 @@ void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects)
     m->defaults_pyobjects = pyobjects;
     return m->defaults;
 }
-static void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple)
-{
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
     __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
     m->defaults_tuple = tuple;
     Py_INCREF(tuple);
 }
 
 static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
     if (s1 == s2) {
         return (equals == Py_EQ);
     } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
@@ -28019,9 +29099,13 @@ static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int eq
         Py_DECREF(py_result);
         return result;
     }
+#endif
 }
 
 static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
     if (s1 == s2) {
         return (equals == Py_EQ);
     } else if (PyUnicode_CheckExact(s1) & PyUnicode_CheckExact(s2)) {
@@ -28061,6 +29145,7 @@ static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int
         Py_DECREF(py_result);
         return result;
     }
+#endif
 }
 
 static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) {
@@ -28463,8 +29548,8 @@ static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject*
     }
 }
 
-static void __Pyx_WriteUnraisable(const char *name, int clineno,
-                                  int lineno, const char *filename) {
+static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
+                                  CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename) {
     PyObject *old_exc, *old_val, *old_tb;
     PyObject *ctx;
     __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
@@ -28484,6 +29569,7 @@ static void __Pyx_WriteUnraisable(const char *name, int clineno,
 
 static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
     PyObject *tmp_type, *tmp_value, *tmp_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
     PyThreadState *tstate = PyThreadState_GET();
     tmp_type = tstate->exc_type;
     tmp_value = tstate->exc_value;
@@ -28491,6 +29577,10 @@ static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value,
     tstate->exc_type = *type;
     tstate->exc_value = *value;
     tstate->exc_traceback = *tb;
+#else
+    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
+    PyErr_SetExcInfo(*type, *value, *tb);
+#endif
     *type = tmp_type;
     *value = tmp_value;
     *tb = tmp_tb;
@@ -28500,9 +29590,70 @@ static PyObject *__Pyx_Generator_Next(PyObject *self);
 static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value);
 static PyObject *__Pyx_Generator_Close(PyObject *self);
 static PyObject *__Pyx_Generator_Throw(PyObject *gen, PyObject *args);
+static PyTypeObject *__pyx_GeneratorType = 0;
+#define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType)
+#define __Pyx_Generator_Undelegate(gen) Py_CLEAR((gen)->yieldfrom)
+#if 1 || PY_VERSION_HEX < 0x030300B0
+static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue) {
+    PyObject *et, *ev, *tb;
+    PyObject *value = NULL;
+    __Pyx_ErrFetch(&et, &ev, &tb);
+    if (!et) {
+        Py_XDECREF(tb);
+        Py_XDECREF(ev);
+        Py_INCREF(Py_None);
+        *pvalue = Py_None;
+        return 0;
+    }
+    if (unlikely(et != PyExc_StopIteration) &&
+            unlikely(!PyErr_GivenExceptionMatches(et, PyExc_StopIteration))) {
+        __Pyx_ErrRestore(et, ev, tb);
+        return -1;
+    }
+    if (likely(et == PyExc_StopIteration)) {
+        if (likely(!ev) || !PyObject_IsInstance(ev, PyExc_StopIteration)) {
+            if (!ev) {
+                Py_INCREF(Py_None);
+                ev = Py_None;
+            }
+            Py_XDECREF(tb);
+            Py_DECREF(et);
+            *pvalue = ev;
+            return 0;
+        }
+    }
+    PyErr_NormalizeException(&et, &ev, &tb);
+    if (unlikely(!PyObject_IsInstance(ev, PyExc_StopIteration))) {
+        __Pyx_ErrRestore(et, ev, tb);
+        return -1;
+    }
+    Py_XDECREF(tb);
+    Py_DECREF(et);
+#if PY_VERSION_HEX >= 0x030300A0
+    value = ((PyStopIterationObject *)ev)->value;
+    Py_INCREF(value);
+    Py_DECREF(ev);
+#else
+    {
+        PyObject* args = PyObject_GetAttrString(ev, "args");
+        Py_DECREF(ev);
+        if (likely(args)) {
+            value = PyObject_GetItem(args, 0);
+            Py_DECREF(args);
+        }
+        if (unlikely(!value)) {
+            __Pyx_ErrRestore(NULL, NULL, NULL);
+            Py_INCREF(Py_None);
+            value = Py_None;
+        }
+    }
+#endif
+    *pvalue = value;
+    return 0;
+}
+#endif
 static CYTHON_INLINE
-void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self)
-{
+void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self) {
     PyObject *exc_type = self->exc_type;
     PyObject *exc_value = self->exc_value;
     PyObject *exc_traceback = self->exc_traceback;
@@ -28514,14 +29665,18 @@ void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self)
     Py_XDECREF(exc_traceback);
 }
 static CYTHON_INLINE
-PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value)
-{
-    PyObject *retval;
-    if (unlikely(self->is_running)) {
+int __Pyx_Generator_CheckRunning(__pyx_GeneratorObject *gen) {
+    if (unlikely(gen->is_running)) {
         PyErr_SetString(PyExc_ValueError,
                         "generator already executing");
-        return NULL;
+        return 1;
     }
+    return 0;
+}
+static CYTHON_INLINE
+PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value) {
+    PyObject *retval;
+    assert(!self->is_running);
     if (unlikely(self->resume_label == 0)) {
         if (unlikely(value && value != Py_None)) {
             PyErr_SetString(PyExc_TypeError,
@@ -28534,81 +29689,240 @@ PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value)
         PyErr_SetNone(PyExc_StopIteration);
         return NULL;
     }
-    if (value)
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value, &self->exc_traceback);
-    else
+    if (value) {
+#if CYTHON_COMPILING_IN_PYPY
+#else
+        /* Generators always return to their most recent caller, not
+         * necessarily their creator. */
+        if (self->exc_traceback) {
+            PyThreadState *tstate = PyThreadState_GET();
+            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
+            PyFrameObject *f = tb->tb_frame;
+            Py_XINCREF(tstate->frame);
+            assert(f->f_back == NULL);
+            f->f_back = tstate->frame;
+        }
+#endif
+        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
+                            &self->exc_traceback);
+    } else {
         __Pyx_Generator_ExceptionClear(self);
+    }
     self->is_running = 1;
     retval = self->body((PyObject *) self, value);
     self->is_running = 0;
-    if (retval)
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value, &self->exc_traceback);
-    else
+    if (retval) {
+        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
+                            &self->exc_traceback);
+#if CYTHON_COMPILING_IN_PYPY
+#else
+        /* Don't keep the reference to f_back any longer than necessary.  It
+         * may keep a chain of frames alive or it could create a reference
+         * cycle. */
+        if (self->exc_traceback) {
+            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
+            PyFrameObject *f = tb->tb_frame;
+            Py_CLEAR(f->f_back);
+        }
+#endif
+    } else {
         __Pyx_Generator_ExceptionClear(self);
+    }
     return retval;
 }
-static PyObject *__Pyx_Generator_Next(PyObject *self)
-{
-    return __Pyx_Generator_SendEx((__pyx_GeneratorObject *) self, Py_None);
+static CYTHON_INLINE
+PyObject *__Pyx_Generator_FinishDelegation(__pyx_GeneratorObject *gen) {
+    PyObject *ret;
+    PyObject *val = NULL;
+    __Pyx_Generator_Undelegate(gen);
+    __Pyx_PyGen_FetchStopIterationValue(&val);
+    ret = __Pyx_Generator_SendEx(gen, val);
+    Py_XDECREF(val);
+    return ret;
+}
+static PyObject *__Pyx_Generator_Next(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
+    PyObject *yf = gen->yieldfrom;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        PyObject *ret;
+        gen->is_running = 1;
+        ret = Py_TYPE(yf)->tp_iternext(yf);
+        gen->is_running = 0;
+        if (likely(ret)) {
+            return ret;
+        }
+        return __Pyx_Generator_FinishDelegation(gen);
+    }
+    return __Pyx_Generator_SendEx(gen, Py_None);
 }
-static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value)
-{
-    return __Pyx_Generator_SendEx((__pyx_GeneratorObject *) self, value);
+static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
+    PyObject *yf = gen->yieldfrom;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        PyObject *ret;
+        gen->is_running = 1;
+        if (__Pyx_Generator_CheckExact(yf)) {
+            ret = __Pyx_Generator_Send(yf, value);
+        } else {
+            if (value == Py_None)
+                ret = PyIter_Next(yf);
+            else
+                ret = PyObject_CallMethod(yf, (char*)"send", (char*)"O", value);
+        }
+        gen->is_running = 0;
+        if (likely(ret)) {
+            return ret;
+        }
+        return __Pyx_Generator_FinishDelegation(gen);
+    }
+    return __Pyx_Generator_SendEx(gen, value);
+}
+static int __Pyx_Generator_CloseIter(__pyx_GeneratorObject *gen, PyObject *yf) {
+    PyObject *retval = NULL;
+    int err = 0;
+    if (__Pyx_Generator_CheckExact(yf)) {
+        retval = __Pyx_Generator_Close(yf);
+        if (!retval)
+            return -1;
+    } else {
+        PyObject *meth;
+        gen->is_running = 1;
+        meth = PyObject_GetAttrString(yf, "close");
+        if (unlikely(!meth)) {
+            if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
+                PyErr_WriteUnraisable(yf);
+            }
+            PyErr_Clear();
+        } else {
+            retval = PyObject_CallFunction(meth, NULL);
+            Py_DECREF(meth);
+            if (!retval)
+                err = -1;
+        }
+        gen->is_running = 0;
+    }
+    Py_XDECREF(retval);
+    return err;
 }
-static PyObject *__Pyx_Generator_Close(PyObject *self)
-{
-    __pyx_GeneratorObject *generator = (__pyx_GeneratorObject *) self;
-    PyObject *retval;
+static PyObject *__Pyx_Generator_Close(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
+    PyObject *retval, *raised_exception;
+    PyObject *yf = gen->yieldfrom;
+    int err = 0;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        Py_INCREF(yf);
+        err = __Pyx_Generator_CloseIter(gen, yf);
+        __Pyx_Generator_Undelegate(gen);
+        Py_DECREF(yf);
+    }
+    if (err == 0)
 #if PY_VERSION_HEX < 0x02050000
-    PyErr_SetNone(PyExc_StopIteration);
+        PyErr_SetNone(PyExc_StopIteration);
 #else
-    PyErr_SetNone(PyExc_GeneratorExit);
+        PyErr_SetNone(PyExc_GeneratorExit);
 #endif
-    retval = __Pyx_Generator_SendEx(generator, NULL);
+    retval = __Pyx_Generator_SendEx(gen, NULL);
     if (retval) {
         Py_DECREF(retval);
         PyErr_SetString(PyExc_RuntimeError,
                         "generator ignored GeneratorExit");
         return NULL;
     }
-#if PY_VERSION_HEX < 0x02050000
-    if (PyErr_ExceptionMatches(PyExc_StopIteration))
-#else
-    if (PyErr_ExceptionMatches(PyExc_StopIteration)
-        || PyErr_ExceptionMatches(PyExc_GeneratorExit))
+    raised_exception = PyErr_Occurred();
+    if (!raised_exception
+        || raised_exception == PyExc_StopIteration
+#if PY_VERSION_HEX >= 0x02050000
+        || raised_exception == PyExc_GeneratorExit
+        || PyErr_GivenExceptionMatches(raised_exception, PyExc_GeneratorExit)
 #endif
+        || PyErr_GivenExceptionMatches(raised_exception, PyExc_StopIteration))
     {
-        PyErr_Clear();          /* ignore these errors */
+        if (raised_exception) PyErr_Clear();      /* ignore these errors */
         Py_INCREF(Py_None);
         return Py_None;
     }
     return NULL;
 }
-static PyObject *__Pyx_Generator_Throw(PyObject *self, PyObject *args)
-{
-    __pyx_GeneratorObject *generator = (__pyx_GeneratorObject *) self;
+static PyObject *__Pyx_Generator_Throw(PyObject *self, PyObject *args) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
     PyObject *typ;
     PyObject *tb = NULL;
     PyObject *val = NULL;
+    PyObject *yf = gen->yieldfrom;
     if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
         return NULL;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        PyObject *ret;
+        Py_INCREF(yf);
+#if PY_VERSION_HEX >= 0x02050000
+        if (PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit)) {
+            int err = __Pyx_Generator_CloseIter(gen, yf);
+            Py_DECREF(yf);
+            __Pyx_Generator_Undelegate(gen);
+            if (err < 0)
+                return __Pyx_Generator_SendEx(gen, NULL);
+            goto throw_here;
+        }
+#endif
+        gen->is_running = 1;
+        if (__Pyx_Generator_CheckExact(yf)) {
+            ret = __Pyx_Generator_Throw(yf, args);
+        } else {
+            PyObject *meth = PyObject_GetAttrString(yf, "throw");
+            if (unlikely(!meth)) {
+                Py_DECREF(yf);
+                if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
+                    gen->is_running = 0;
+                    return NULL;
+                }
+                PyErr_Clear();
+                __Pyx_Generator_Undelegate(gen);
+                gen->is_running = 0;
+                goto throw_here;
+            }
+            ret = PyObject_CallObject(meth, args);
+            Py_DECREF(meth);
+        }
+        gen->is_running = 0;
+        Py_DECREF(yf);
+        if (!ret) {
+            ret = __Pyx_Generator_FinishDelegation(gen);
+        }
+        return ret;
+    }
+throw_here:
     __Pyx_Raise(typ, val, tb, NULL);
-    return __Pyx_Generator_SendEx(generator, NULL);
+    return __Pyx_Generator_SendEx(gen, NULL);
 }
-static int
-__Pyx_Generator_traverse(PyObject *self, visitproc visit, void *arg)
-{
+static int __Pyx_Generator_traverse(PyObject *self, visitproc visit, void *arg) {
     __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
     Py_VISIT(gen->closure);
     Py_VISIT(gen->classobj);
+    Py_VISIT(gen->yieldfrom);
     Py_VISIT(gen->exc_type);
     Py_VISIT(gen->exc_value);
     Py_VISIT(gen->exc_traceback);
     return 0;
 }
-static void
-__Pyx_Generator_dealloc(PyObject *self)
-{
+static int __Pyx_Generator_clear(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
+    Py_CLEAR(gen->closure);
+    Py_CLEAR(gen->classobj);
+    Py_CLEAR(gen->yieldfrom);
+    Py_CLEAR(gen->exc_type);
+    Py_CLEAR(gen->exc_value);
+    Py_CLEAR(gen->exc_traceback);
+    return 0;
+}
+static void __Pyx_Generator_dealloc(PyObject *self) {
     __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
     PyObject_GC_UnTrack(gen);
     if (gen->gi_weakreflist != NULL)
@@ -28620,16 +29934,10 @@ __Pyx_Generator_dealloc(PyObject *self)
             return;                     /* resurrected.  :( */
     }
     PyObject_GC_UnTrack(self);
-    Py_CLEAR(gen->closure);
-    Py_CLEAR(gen->classobj);
-    Py_CLEAR(gen->exc_type);
-    Py_CLEAR(gen->exc_value);
-    Py_CLEAR(gen->exc_traceback);
+    __Pyx_Generator_clear(self);
     PyObject_GC_Del(gen);
 }
-static void
-__Pyx_Generator_del(PyObject *self)
-{
+static void __Pyx_Generator_del(PyObject *self) {
     PyObject *res;
     PyObject *error_type, *error_value, *error_traceback;
     __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
@@ -28658,11 +29966,13 @@ __Pyx_Generator_del(PyObject *self)
         _Py_NewReference(self);
         self->ob_refcnt = refcnt;
     }
+#if CYTHON_COMPILING_FOR_CPYTHON
     assert(PyType_IS_GC(self->ob_type) &&
            _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
     /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
      * we need to undo that. */
     _Py_DEC_REFTOTAL;
+#endif
     /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object
      * chain, so no more to do there.
      * If COUNT_ALLOCS, the original decref bumped tp_frees, and
@@ -28670,13 +29980,17 @@ __Pyx_Generator_del(PyObject *self)
      * undone.
      */
 #ifdef COUNT_ALLOCS
-    --self->ob_type->tp_frees;
-    --self->ob_type->tp_allocs;
+    --Py_TYPE(self)->tp_frees;
+    --Py_TYPE(self)->tp_allocs;
 #endif
 }
 static PyMemberDef __pyx_Generator_memberlist[] = {
     {(char *) "gi_running",
+#if PY_VERSION_HEX >= 0x02060000
+     T_BOOL,
+#else
      T_INT,
+#endif
      offsetof(__pyx_GeneratorObject, is_running),
      READONLY,
      NULL},
@@ -28688,7 +30002,7 @@ static PyMethodDef __pyx_Generator_methods[] = {
     {__Pyx_NAMESTR("close"), (PyCFunction) __Pyx_Generator_Close, METH_NOARGS, 0},
     {0, 0, 0, 0}
 };
-static PyTypeObject __pyx_GeneratorType = {
+static PyTypeObject __pyx_GeneratorType_type = {
     PyVarObject_HEAD_INIT(0, 0)
     __Pyx_NAMESTR("generator"),         /*tp_name*/
     sizeof(__pyx_GeneratorObject),      /*tp_basicsize*/
@@ -28709,7 +30023,7 @@ static PyTypeObject __pyx_GeneratorType = {
     0,                                  /*tp_hash*/
     0,                                  /*tp_call*/
     0,                                  /*tp_str*/
-    PyObject_GenericGetAttr,            /*tp_getattro*/
+    0,                                  /*tp_getattro*/
     0,                                  /*tp_setattro*/
     0,                                  /*tp_as_buffer*/
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags*/
@@ -28718,7 +30032,7 @@ static PyTypeObject __pyx_GeneratorType = {
     0,                                  /*tp_clear*/
     0,                                  /*tp_richcompare*/
     offsetof(__pyx_GeneratorObject, gi_weakreflist), /* tp_weaklistoffse */
-    PyObject_SelfIter,                  /*tp_iter*/
+    0,                                  /*tp_iter*/
     (iternextfunc) __Pyx_Generator_Next, /*tp_iternext*/
     __pyx_Generator_methods,            /*tp_methods*/
     __pyx_Generator_memberlist,         /*tp_members*/
@@ -28743,12 +30057,10 @@ static PyTypeObject __pyx_GeneratorType = {
     0,                                  /*tp_version_tag*/
 #endif
 };
-static
-__pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
-                                           PyObject *closure)
-{
+static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
+                                                  PyObject *closure) {
     __pyx_GeneratorObject *gen =
-        PyObject_GC_New(__pyx_GeneratorObject, &__pyx_GeneratorType);
+        PyObject_GC_New(__pyx_GeneratorObject, &__pyx_GeneratorType_type);
     if (gen == NULL)
         return NULL;
     gen->body = body;
@@ -28757,6 +30069,7 @@ __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
     gen->is_running = 0;
     gen->resume_label = 0;
     gen->classobj = NULL;
+    gen->yieldfrom = NULL;
     gen->exc_type = NULL;
     gen->exc_value = NULL;
     gen->exc_traceback = NULL;
@@ -28764,9 +30077,14 @@ __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
     PyObject_GC_Track(gen);
     return gen;
 }
-static int __pyx_Generator_init(void)
-{
-    return PyType_Ready(&__pyx_GeneratorType);
+static int __pyx_Generator_init(void) {
+    __pyx_GeneratorType_type.tp_getattro = PyObject_GenericGetAttr;
+    __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
+    if (PyType_Ready(&__pyx_GeneratorType_type)) {
+        return -1;
+    }
+    __pyx_GeneratorType = &__pyx_GeneratorType_type;
+    return 0;
 }
 
 static int __Pyx_check_binary_version(void) {
@@ -28805,6 +30123,147 @@ bad:
     return -1;
 }
 
+#ifndef __PYX_HAVE_RT_ImportType
+#define __PYX_HAVE_RT_ImportType
+static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
+    size_t size, int strict)
+{
+    PyObject *py_module = 0;
+    PyObject *result = 0;
+    PyObject *py_name = 0;
+    char warning[200];
+    py_module = __Pyx_ImportModule(module_name);
+    if (!py_module)
+        goto bad;
+    py_name = __Pyx_PyIdentifier_FromString(class_name);
+    if (!py_name)
+        goto bad;
+    result = PyObject_GetAttr(py_module, py_name);
+    Py_DECREF(py_name);
+    py_name = 0;
+    Py_DECREF(py_module);
+    py_module = 0;
+    if (!result)
+        goto bad;
+    if (!PyType_Check(result)) {
+        PyErr_Format(PyExc_TypeError,
+            "%s.%s is not a type object",
+            module_name, class_name);
+        goto bad;
+    }
+    if (!strict && (size_t)((PyTypeObject *)result)->tp_basicsize > size) {
+        PyOS_snprintf(warning, sizeof(warning),
+            "%s.%s size changed, may indicate binary incompatibility",
+            module_name, class_name);
+        #if PY_VERSION_HEX < 0x02050000
+        if (PyErr_Warn(NULL, warning) < 0) goto bad;
+        #else
+        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
+        #endif
+    }
+    else if ((size_t)((PyTypeObject *)result)->tp_basicsize != size) {
+        PyErr_Format(PyExc_ValueError,
+            "%s.%s has the wrong size, try recompiling",
+            module_name, class_name);
+        goto bad;
+    }
+    return (PyTypeObject *)result;
+bad:
+    Py_XDECREF(py_module);
+    Py_XDECREF(result);
+    return NULL;
+}
+#endif
+
+#ifndef __PYX_HAVE_RT_ImportModule
+#define __PYX_HAVE_RT_ImportModule
+static PyObject *__Pyx_ImportModule(const char *name) {
+    PyObject *py_name = 0;
+    PyObject *py_module = 0;
+    py_name = __Pyx_PyIdentifier_FromString(name);
+    if (!py_name)
+        goto bad;
+    py_module = PyImport_Import(py_name);
+    Py_DECREF(py_name);
+    return py_module;
+bad:
+    Py_XDECREF(py_name);
+    return 0;
+}
+#endif
+
+static void* __Pyx_GetVtable(PyObject *dict) {
+    void* ptr;
+    PyObject *ob = PyMapping_GetItemString(dict, (char *)"__pyx_vtable__");
+    if (!ob)
+        goto bad;
+#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
+    ptr = PyCapsule_GetPointer(ob, 0);
+#else
+    ptr = PyCObject_AsVoidPtr(ob);
+#endif
+    if (!ptr && !PyErr_Occurred())
+        PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
+    Py_DECREF(ob);
+    return ptr;
+bad:
+    Py_XDECREF(ob);
+    return NULL;
+}
+
+#ifndef __PYX_HAVE_RT_ImportFunction
+#define __PYX_HAVE_RT_ImportFunction
+static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig) {
+    PyObject *d = 0;
+    PyObject *cobj = 0;
+    union {
+        void (*fp)(void);
+        void *p;
+    } tmp;
+    d = PyObject_GetAttrString(module, (char *)"__pyx_capi__");
+    if (!d)
+        goto bad;
+    cobj = PyDict_GetItemString(d, funcname);
+    if (!cobj) {
+        PyErr_Format(PyExc_ImportError,
+            "%s does not export expected C function %s",
+                PyModule_GetName(module), funcname);
+        goto bad;
+    }
+#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
+    if (!PyCapsule_IsValid(cobj, sig)) {
+        PyErr_Format(PyExc_TypeError,
+            "C function %s.%s has wrong signature (expected %s, got %s)",
+             PyModule_GetName(module), funcname, sig, PyCapsule_GetName(cobj));
+        goto bad;
+    }
+    tmp.p = PyCapsule_GetPointer(cobj, sig);
+#else
+    {const char *desc, *s1, *s2;
+    desc = (const char *)PyCObject_GetDesc(cobj);
+    if (!desc)
+        goto bad;
+    s1 = desc; s2 = sig;
+    while (*s1 != '\0' && *s1 == *s2) { s1++; s2++; }
+    if (*s1 != *s2) {
+        PyErr_Format(PyExc_TypeError,
+            "C function %s.%s has wrong signature (expected %s, got %s)",
+             PyModule_GetName(module), funcname, sig, desc);
+        goto bad;
+    }
+    tmp.p = PyCObject_AsVoidPtr(cobj);}
+#endif
+    *f = tmp.fp;
+    if (!(*f))
+        goto bad;
+    Py_DECREF(d);
+    return 0;
+bad:
+    Py_XDECREF(d);
+    return -1;
+}
+#endif
+
 static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
     int start = 0, mid = 0, end = count - 1;
     if (end >= 0 && code_line > entries[end].code_line) {
diff --git a/python/src/_cdec.pyx b/python/src/_cdec.pyx
index c60f342f..e93474fe 100644
--- a/python/src/_cdec.pyx
+++ b/python/src/_cdec.pyx
@@ -3,14 +3,14 @@ from libcpp.vector cimport vector
 from utils cimport *
 cimport decoder
 
-cdef char* as_str(data, error_msg='Cannot convert type %s to str'):
+cdef char* as_str(data, char* error_msg='Cannot convert type %s to str'):
     cdef bytes ret
     if isinstance(data, unicode):
         ret = data.encode('utf8')
     elif isinstance(data, str):
         ret = data
     else:
-        raise TypeError(error_msg % type(data))
+        raise TypeError(error_msg.format(type(data)))
     return ret
 
 include "vectors.pxi"
@@ -55,8 +55,9 @@ cdef class Decoder:
         cdef istringstream* config_stream = new istringstream(config_str)
         self.dec = new decoder.Decoder(config_stream)
         del config_stream
-        self.weights = DenseVector()
+        self.weights = DenseVector.__new__(DenseVector)
         self.weights.vector = &self.dec.CurrentWeightVector()
+        self.weights.owned = True
 
     def __dealloc__(self):
         del self.dec
@@ -72,6 +73,7 @@ cdef class Decoder:
                 self.weights.vector.clear()
                 ((<SparseVector> weights).vector[0]).init_vector(self.weights.vector)
             elif isinstance(weights, dict):
+                self.weights.vector.clear()
                 for fname, fval in weights.items():
                     self.weights[fname] = fval
             else:
@@ -80,7 +82,7 @@ cdef class Decoder:
     property formalism:
         def __get__(self):
             cdef variables_map* conf = &self.dec.GetConf()
-            return conf[0]['formalism'].as_str().c_str()
+            return conf[0]['formalism'].as_str()
 
     def read_weights(self, weights):
         with open(weights) as fp:
diff --git a/python/src/grammar.pxd b/python/src/grammar.pxd
index 8853a614..833de2e3 100644
--- a/python/src/grammar.pxd
+++ b/python/src/grammar.pxd
@@ -21,17 +21,20 @@ cdef extern from "decoder/trule.h":
         void ComputeArity()
 
 cdef extern from "decoder/grammar.h":
-    cdef cppclass RuleBin "const RuleBin":
+    cdef cppclass RuleBin:
         int GetNumRules()
         shared_ptr[TRule] GetIthRule(int i)
         int Arity()
 
-    cdef cppclass GrammarIter "const GrammarIter":
-        RuleBin* GetRules()
-        GrammarIter* Extend(int symbol)
+    ctypedef RuleBin const_RuleBin "const RuleBin"
+
+    cdef cppclass GrammarIter:
+        const_RuleBin* GetRules()
+
+    ctypedef GrammarIter const_GrammarIter "const GrammarIter"
 
     cdef cppclass Grammar:
-        GrammarIter* GetRoot()
+        const_GrammarIter* GetRoot()
         bint HasRuleForSpan(int i, int j, int distance)
         unsigned GetCTFLevels()
         string GetGrammarName()
diff --git a/python/src/grammar.pxi b/python/src/grammar.pxi
index 80d9fbf5..5ec21422 100644
--- a/python/src/grammar.pxi
+++ b/python/src/grammar.pxi
@@ -1,4 +1,6 @@
 cimport grammar
+cimport cdec.sa._sa as _sa
+import cdec.sa._sa as _sa
 
 def _phrase(phrase):
     return ' '.join(w.encode('utf8') if isinstance(w, unicode) else str(w) for w in phrase)
@@ -23,9 +25,41 @@ cdef class NTRef:
     def __str__(self):
         return '[%d]' % self.ref
 
-cdef class BaseTRule:
+cdef TRule convert_rule(_sa.Rule rule):
+    cdef unsigned i
+    cdef lhs = _sa.sym_tocat(rule.lhs)
+    cdef scores = {}
+    for i in range(rule.n_scores):
+        scores['PhraseModel_'+str(i)] = rule.cscores[i]
+    f, e = [], []
+    cdef int* fsyms = rule.f.syms
+    for i in range(rule.f.n):
+        if _sa.sym_isvar(fsyms[i]):
+            f.append(NT(_sa.sym_tocat(fsyms[i])))
+        else:
+            f.append(_sa.sym_tostring(fsyms[i]))
+    cdef int* esyms = rule.e.syms
+    for i in range(rule.e.n):
+        if _sa.sym_isvar(esyms[i]):
+            e.append(NTRef(_sa.sym_getindex(esyms[i])))
+        else:
+            e.append(_sa.sym_tostring(esyms[i]))
+    cdef a = [(point/65536, point%65536) for point in rule.word_alignments]
+    return TRule(lhs, f, e, scores, a)
+
+cdef class TRule:
     cdef shared_ptr[grammar.TRule]* rule
 
+    def __init__(self, lhs, f, e, scores, a=None):
+        self.rule = new shared_ptr[grammar.TRule](new grammar.TRule())
+        self.lhs = lhs
+        self.e = e
+        self.f = f
+        self.scores = scores
+        if a:
+            self.a = a
+        self.rule.get().ComputeArity()
+
     def __dealloc__(self):
         del self.rule
 
@@ -104,7 +138,7 @@ cdef class BaseTRule:
 
     property scores:
         def __get__(self):
-            cdef SparseVector scores = SparseVector()
+            cdef SparseVector scores = SparseVector.__new__(SparseVector)
             scores.vector = new FastSparseVector[double](self.rule.get().scores_)
             return scores
 
@@ -132,17 +166,6 @@ cdef class BaseTRule:
         return '%s ||| %s ||| %s ||| %s' % (self.lhs,
                 _phrase(self.f), _phrase(self.e), scores)
 
-cdef class TRule(BaseTRule):
-    def __cinit__(self, lhs, f, e, scores, a=None):
-        self.rule = new shared_ptr[grammar.TRule](new grammar.TRule())
-        self.lhs = lhs
-        self.e = e
-        self.f = f
-        self.scores = scores
-        if a:
-            self.a = a
-        self.rule.get().ComputeArity()
-
 cdef class Grammar:
     cdef shared_ptr[grammar.Grammar]* grammar
     
@@ -150,12 +173,12 @@ cdef class Grammar:
         del self.grammar
     
     def __iter__(self):
-        cdef grammar.GrammarIter* root = self.grammar.get().GetRoot()
-        cdef grammar.RuleBin* rbin = root.GetRules()
+        cdef grammar.const_GrammarIter* root = self.grammar.get().GetRoot()
+        cdef grammar.const_RuleBin* rbin = root.GetRules()
         cdef TRule trule
         cdef unsigned i
         for i in range(rbin.GetNumRules()):
-            trule = TRule()
+            trule = TRule.__new__(TRule)
             trule.rule = new shared_ptr[grammar.TRule](rbin.GetIthRule(i))
             yield trule
 
@@ -171,6 +194,8 @@ cdef class TextGrammar(Grammar):
         self.grammar = new shared_ptr[grammar.Grammar](new grammar.TextGrammar())
         cdef grammar.TextGrammar* _g = <grammar.TextGrammar*> self.grammar.get()
         for trule in rules:
-            if not isinstance(trule, BaseTRule):
+            if isinstance(trule, _sa.Rule):
+                trule = convert_rule(trule)
+            elif not isinstance(trule, TRule):
                 raise ValueError('the grammar should contain TRule objects')
-            _g.AddRule((<BaseTRule> trule).rule[0])
+            _g.AddRule((<TRule> trule).rule[0])
diff --git a/python/src/hypergraph.pxd b/python/src/hypergraph.pxd
index e51ccf5c..886660bf 100644
--- a/python/src/hypergraph.pxd
+++ b/python/src/hypergraph.pxd
@@ -9,23 +9,27 @@ cdef extern from "decoder/hg.h":
         EdgeMask(int size)
         bint& operator[](int)
 
-    cdef cppclass HypergraphEdge "const Hypergraph::Edge":
+    cdef cppclass HypergraphEdge "Hypergraph::Edge":
         int id_
         int head_node_ # position in hg.nodes_
         SmallVector[unsigned] tail_nodes_ # positions in hg.nodes_
         shared_ptr[TRule] rule_
         FastSparseVector[weight_t] feature_values_
-        LogVal[double] edge_prob_ # weights.dot(feature_values_)
+        prob_t edge_prob_ # weights.dot(feature_values_)
         # typically source span:
         short int i_
         short int j_
 
-    cdef cppclass HypergraphNode "const Hypergraph::Node":
+    ctypedef HypergraphEdge const_HypergraphEdge "const Hypergraph::Edge"
+
+    cdef cppclass HypergraphNode "Hypergraph::Node":
         int id_
         WordID cat_ # non-terminal category if <0, 0 if not set
         vector[int] in_edges_ # positions in hg.edge_prob_
         vector[int] out_edges_ # positions in hg.edge_prob_
 
+    ctypedef HypergraphNode const_HypergraphNode "const Hypergraph::Node"
+
     cdef cppclass Hypergraph:
         Hypergraph(Hypergraph)
         vector[HypergraphNode] nodes_
@@ -42,9 +46,9 @@ cdef extern from "decoder/hg.h":
                                 bint safe_inside)
 
 cdef extern from "decoder/viterbi.h":
-    LogVal[double] ViterbiESentence(Hypergraph& hg, vector[WordID]* trans)
+    prob_t ViterbiESentence(Hypergraph& hg, vector[WordID]* trans)
     string ViterbiETree(Hypergraph& hg)
-    LogVal[double] ViterbiFSentence(Hypergraph& hg, vector[WordID]* trans)
+    prob_t ViterbiFSentence(Hypergraph& hg, vector[WordID]* trans)
     string ViterbiFTree(Hypergraph& hg)
     FastSparseVector[weight_t] ViterbiFeatures(Hypergraph& hg)
     FastSparseVector[weight_t] ViterbiFeatures(Hypergraph& hg, 
@@ -67,7 +71,7 @@ cdef extern from "decoder/hg_sampler.h" namespace "HypergraphSampler":
     cdef cppclass Hypothesis:
         vector[WordID] words
         FastSparseVector[weight_t] fmap
-        LogVal[double] model_score
+        prob_t model_score
     void sample_hypotheses(Hypergraph& hg, 
                            unsigned n, 
                            MT19937* rng, 
@@ -77,4 +81,4 @@ cdef extern from "decoder/csplit.h" namespace "CompoundSplit":
     int GetFullWordEdgeIndex(Hypergraph& forest)
 
 cdef extern from "decoder/inside_outside.h":
-    LogVal[double] InsideOutside "InsideOutside<prob_t, EdgeProb, SparseVector<prob_t>, EdgeFeaturesAndProbWeightFunction>" (Hypergraph& hg, FastSparseVector[LogVal[double]]* result)
+    prob_t InsideOutside "InsideOutside<prob_t, EdgeProb, SparseVector<prob_t>, EdgeFeaturesAndProbWeightFunction>" (Hypergraph& hg, FastSparseVector[prob_t]* result)
diff --git a/python/src/hypergraph.pxi b/python/src/hypergraph.pxi
index 86751cc9..b210f440 100644
--- a/python/src/hypergraph.pxi
+++ b/python/src/hypergraph.pxi
@@ -21,7 +21,7 @@ cdef class Hypergraph:
         return (f_tree, e_tree)
     
     def viterbi_features(self):
-        cdef SparseVector fmap = SparseVector()
+        cdef SparseVector fmap = SparseVector.__new__(SparseVector)
         fmap.vector = new FastSparseVector[weight_t](hypergraph.ViterbiFeatures(self.hg[0]))
         return fmap
 
@@ -67,7 +67,7 @@ cdef class Hypergraph:
             for k in range(size):
                 derivation = derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)
                 if not derivation: break
-                fmap = SparseVector()
+                fmap = SparseVector.__new__(SparseVector)
                 fmap.vector = new FastSparseVector[weight_t](derivation._yield)
                 yield fmap
         finally:
@@ -130,12 +130,12 @@ cdef class Hypergraph:
             return self.hg.NumberOfPaths()
 
     def inside_outside(self):
-        cdef FastSparseVector[LogVal[double]]* result = new FastSparseVector[LogVal[double]]()
-        cdef LogVal[double] z = hypergraph.InsideOutside(self.hg[0], result)
+        cdef FastSparseVector[prob_t]* result = new FastSparseVector[prob_t]()
+        cdef prob_t z = hypergraph.InsideOutside(self.hg[0], result)
         result[0] /= z
-        cdef SparseVector vector = SparseVector()
+        cdef SparseVector vector = SparseVector.__new__(SparseVector)
         vector.vector = new FastSparseVector[double]()
-        cdef FastSparseVector[LogVal[double]].const_iterator* it = new FastSparseVector[LogVal[double]].const_iterator(result[0], False)
+        cdef FastSparseVector[prob_t].const_iterator* it = new FastSparseVector[prob_t].const_iterator(result[0], False)
         cdef unsigned i
         for i in range(result.size()):
             vector.vector.set_value(it[0].ptr().first, log(it[0].ptr().second))
@@ -147,12 +147,12 @@ cdef class Hypergraph:
 cdef class HypergraphEdge:
     cdef hypergraph.Hypergraph* hg
     cdef hypergraph.HypergraphEdge* edge
-    cdef public BaseTRule trule
+    cdef public TRule trule
 
     cdef init(self, hypergraph.Hypergraph* hg, unsigned i):
         self.hg = hg
         self.edge = &hg.edges_[i]
-        self.trule = BaseTRule()
+        self.trule = TRule.__new__(TRule)
         self.trule.rule = new shared_ptr[grammar.TRule](self.edge.rule_)
         return self
 
@@ -175,7 +175,7 @@ cdef class HypergraphEdge:
 
     property feature_values:
         def __get__(self):
-            cdef SparseVector vector = SparseVector()
+            cdef SparseVector vector = SparseVector.__new__(SparseVector)
             vector.vector = new FastSparseVector[double](self.edge.feature_values_)
             return vector
 
diff --git a/python/src/lattice.pxi b/python/src/lattice.pxi
index 08405188..14864549 100644
--- a/python/src/lattice.pxi
+++ b/python/src/lattice.pxi
@@ -16,6 +16,9 @@ cdef class Lattice:
             self.lattice = new lattice.Lattice()
             lattice.ConvertTextToLattice(string(<char *>inp), self.lattice)
 
+    def __dealloc__(self):
+        del self.lattice
+
     def __getitem__(self, int index):
         if not 0 <= index < len(self):
             raise IndexError('lattice index out of range')
@@ -51,9 +54,6 @@ cdef class Lattice:
         for i in range(len(self)):
             yield self[i]
 
-    def __dealloc__(self):
-        del self.lattice
-
     def todot(self):
         def lines():
             yield 'digraph lattice {'
diff --git a/python/src/mteval.pxd b/python/src/mteval.pxd
index 27c2808d..c97c4b34 100644
--- a/python/src/mteval.pxd
+++ b/python/src/mteval.pxd
@@ -38,15 +38,17 @@ cdef extern from "py_scorer.h":
             string& metric_id, void*, MetricStatsCallback, MetricScoreCallback)
 
 cdef extern from "training/candidate_set.h" namespace "training":
-    cdef cppclass Candidate "const training::Candidate":
+    cdef cppclass Candidate:
         vector[WordID] ewords
         FastSparseVector[weight_t] fmap
         SufficientStats eval_feats
 
+    ctypedef Candidate const_Candidate "const training::Candidate"
+
     cdef cppclass CandidateSet:
         CandidateSet()
         unsigned size()
-        Candidate& operator[](unsigned i)
+        const_Candidate& operator[](unsigned i)
         void ReadFromFile(string& file)
         void WriteToFile(string& file)
         void AddKBestCandidates(Hypergraph& hg,
diff --git a/python/src/mteval.pxi b/python/src/mteval.pxi
index 52d2abc6..cd1c3c81 100644
--- a/python/src/mteval.pxi
+++ b/python/src/mteval.pxi
@@ -10,7 +10,7 @@ cdef SufficientStats as_stats(x, y):
         return stats
 
 cdef class Candidate:
-    cdef mteval.Candidate* candidate
+    cdef mteval.const_Candidate* candidate
     cdef public float score
 
     property words:
@@ -19,7 +19,7 @@ cdef class Candidate:
 
     property fmap:
         def __get__(self):
-            cdef SparseVector fmap = SparseVector()
+            cdef SparseVector fmap = SparseVector.__new__(SparseVector)
             fmap.vector = new FastSparseVector[weight_t](self.candidate.fmap)
             return fmap
 
diff --git a/python/src/sa/_cdec_sa.c b/python/src/sa/_cdec_sa.c
deleted file mode 100644
index 5bd9b28c..00000000
--- a/python/src/sa/_cdec_sa.c
+++ /dev/null
@@ -1,62490 +0,0 @@
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-
-#define PY_SSIZE_T_CLEAN
-#include "Python.h"
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-    #error Python headers needed to compile C extensions, please install development version of Python.
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-    #error Cython requires Python 2.4+.
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-#include <stddef.h> /* For offsetof */
-#ifndef offsetof
-#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
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-
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-  #ifndef __fastcall
-    #define __fastcall
-  #endif
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-
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-  #define DL_IMPORT(t) t
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-#ifndef DL_EXPORT
-  #define DL_EXPORT(t) t
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-
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-  #define PY_LONG_LONG LONG_LONG
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-  #define Py_HUGE_VAL HUGE_VAL
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-  #define unlikely(x) (x)
-#endif /* __GNUC__ */
-    
-static PyObject *__pyx_m;
-static PyObject *__pyx_b;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static int __pyx_lineno;
-static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
-static const char *__pyx_filename;
-
-
-static const char *__pyx_f[] = {
-  "_cdec_sa.pyx",
-  "float_list.pxi",
-  "int_list.pxi",
-  "data_array.pxi",
-  "alignment.pxi",
-  "bilex.pxi",
-  "veb.pxi",
-  "rule.pxi",
-  "rulefactory.pxi",
-  "lcp.pxi",
-  "sym.pxi",
-  "precomputation.pxi",
-  "suffix_array.pxi",
-  "str_map.pxi",
-};
-
-/*--- Type declarations ---*/
-struct __pyx_obj_8_cdec_sa_VEB;
-struct __pyx_obj_8_cdec_sa_Sampler;
-struct __pyx_obj_8_cdec_sa_BitSet;
-struct __pyx_obj_8_cdec_sa_DataArray;
-struct __pyx_obj_8_cdec_sa_TrieNode;
-struct __pyx_obj_8_cdec_sa_VEBIterator;
-struct __pyx_obj_8_cdec_sa_BitSetIterator;
-struct __pyx_obj_8_cdec_sa_Phrase;
-struct __pyx_obj_8_cdec_sa_IntList;
-struct __pyx_obj_8_cdec_sa_ExtendedTrieNode;
-struct __pyx_obj_8_cdec_sa_PhraseLocation;
-struct __pyx_obj_8_cdec_sa_Rule;
-struct __pyx_obj_8_cdec_sa_LCP;
-struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory;
-struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats;
-struct __pyx_obj_8_cdec_sa_BiLex;
-struct __pyx_obj_8_cdec_sa_SuffixArray;
-struct __pyx_obj_8_cdec_sa_StringMap;
-struct __pyx_obj_8_cdec_sa_TrieMap;
-struct __pyx_obj_8_cdec_sa_Alphabet;
-struct __pyx_obj_8_cdec_sa_Alignment;
-struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input;
-struct __pyx_obj_8_cdec_sa_Precomputation;
-struct __pyx_obj_8_cdec_sa_FloatList;
-struct __pyx_obj_8_cdec_sa_TrieTable;
-struct __pyx_t_8_cdec_sa__node;
-struct __pyx_t_8_cdec_sa__BitSet;
-struct __pyx_t_8_cdec_sa__VEB;
-struct __pyx_t_8_cdec_sa__Trie_Edge;
-struct __pyx_t_8_cdec_sa__Trie_Node;
-struct __pyx_t_8_cdec_sa_match_node;
-struct __pyx_t_8_cdec_sa_Matching;
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":9
- * from libc.string cimport memset, strcpy, strlen
- * 
- * cdef struct _node:             # <<<<<<<<<<<<<<
- *     _node* smaller
- *     _node* bigger
- */
-struct __pyx_t_8_cdec_sa__node {
-  struct __pyx_t_8_cdec_sa__node *smaller;
-  struct __pyx_t_8_cdec_sa__node *bigger;
-  int key;
-  int val;
-};
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":30
- * _init_lower_mask()
- * 
- * cdef struct _BitSet:             # <<<<<<<<<<<<<<
- *     long bitset
- *     int min_val
- */
-struct __pyx_t_8_cdec_sa__BitSet {
-  long bitset;
-  int min_val;
-  int max_val;
-  int size;
-};
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":168
- *     return result
- * 
- * cdef struct _VEB:             # <<<<<<<<<<<<<<
- *     int top_universe_size
- *     int num_bottom_bits
- */
-struct __pyx_t_8_cdec_sa__VEB {
-  int top_universe_size;
-  int num_bottom_bits;
-  int max_val;
-  int min_val;
-  int size;
-  void *top;
-  void **bottom;
-};
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":10
- * cdef struct _Trie_Node    # forward decl
- * 
- * cdef struct _Trie_Edge:             # <<<<<<<<<<<<<<
- *     int val
- *     _Trie_Node* node
- */
-struct __pyx_t_8_cdec_sa__Trie_Edge {
-  int val;
-  struct __pyx_t_8_cdec_sa__Trie_Node *node;
-  struct __pyx_t_8_cdec_sa__Trie_Edge *bigger;
-  struct __pyx_t_8_cdec_sa__Trie_Edge *smaller;
-};
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":8
- * from libc.string cimport memset, memcpy
- * 
- * cdef struct _Trie_Node    # forward decl             # <<<<<<<<<<<<<<
- * 
- * cdef struct _Trie_Edge:
- */
-struct __pyx_t_8_cdec_sa__Trie_Node {
-  struct __pyx_t_8_cdec_sa__Trie_Edge *root;
-  int *arr;
-  int arr_len;
-};
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":48
- * 
- * # linked list structure for storing matches in BaselineRuleFactory
- * cdef struct match_node:             # <<<<<<<<<<<<<<
- *     int* match
- *     match_node* next
- */
-struct __pyx_t_8_cdec_sa_match_node {
-  int *match;
-  struct __pyx_t_8_cdec_sa_match_node *next;
-};
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":145
- * 
- * # struct used to encapsulate a single matching
- * cdef struct Matching:             # <<<<<<<<<<<<<<
- *     int* arr
- *     int start
- */
-struct __pyx_t_8_cdec_sa_Matching {
-  int *arr;
-  int start;
-  int end;
-  int sent_id;
-  int size;
-};
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":354
- * 
- * 
- * cdef class VEB:             # <<<<<<<<<<<<<<
- *     cdef _VEB* veb
- *     cdef int _findsucc(self, int i)
- */
-struct __pyx_obj_8_cdec_sa_VEB {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_VEB *__pyx_vtab;
-  struct __pyx_t_8_cdec_sa__VEB *veb;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":79
- * 
- * 
- * cdef class Sampler:             # <<<<<<<<<<<<<<
- *     '''A Sampler implements a logic for choosing
- *     samples from a population range'''
- */
-struct __pyx_obj_8_cdec_sa_Sampler {
-  PyObject_HEAD
-  int sample_size;
-  struct __pyx_obj_8_cdec_sa_IntList *sa;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":118
- * # (entirely C-implemented) _BitSet struct.
- * # Very slow; use only for debugging
- * cdef class BitSet:             # <<<<<<<<<<<<<<
- * 
- *     cdef _BitSet* b
- */
-struct __pyx_obj_8_cdec_sa_BitSet {
-  PyObject_HEAD
-  struct __pyx_t_8_cdec_sa__BitSet *b;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":9
- * from libc.string cimport memset, strcpy, strlen
- * 
- * cdef class DataArray:             # <<<<<<<<<<<<<<
- *     cdef word2id
- *     cdef id2word
- */
-struct __pyx_obj_8_cdec_sa_DataArray {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_DataArray *__pyx_vtab;
-  PyObject *word2id;
-  PyObject *id2word;
-  struct __pyx_obj_8_cdec_sa_IntList *data;
-  struct __pyx_obj_8_cdec_sa_IntList *sent_id;
-  struct __pyx_obj_8_cdec_sa_IntList *sent_index;
-  int use_sent_id;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":18
- * cdef int EPSILON = sym_fromstring('*EPS*', True)
- * 
- * cdef class TrieNode:             # <<<<<<<<<<<<<<
- *     cdef public children
- * 
- */
-struct __pyx_obj_8_cdec_sa_TrieNode {
-  PyObject_HEAD
-  PyObject *children;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":340
- * 
- * 
- * cdef class VEBIterator:             # <<<<<<<<<<<<<<
- *     cdef _VEB* v
- *     cdef int next_val
- */
-struct __pyx_obj_8_cdec_sa_VEBIterator {
-  PyObject_HEAD
-  struct __pyx_t_8_cdec_sa__VEB *v;
-  int next_val;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":100
- * 
- * 
- * cdef class BitSetIterator:             # <<<<<<<<<<<<<<
- *     cdef _BitSet* b
- *     cdef int next_val
- */
-struct __pyx_obj_8_cdec_sa_BitSetIterator {
-  PyObject_HEAD
-  struct __pyx_t_8_cdec_sa__BitSet *b;
-  int next_val;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":4
- * from libc.string cimport strsep, strcpy, strlen
- * 
- * cdef class Phrase:             # <<<<<<<<<<<<<<
- *     cdef int *syms
- *     cdef int n, *varpos, n_vars
- */
-struct __pyx_obj_8_cdec_sa_Phrase {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_Phrase *__pyx_vtab;
-  int *syms;
-  int n;
-  int *varpos;
-  int n_vars;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":9
- * from libc.string cimport memset, memcpy
- * 
- * cdef class IntList:             # <<<<<<<<<<<<<<
- *     cdef int size
- *     cdef int increment
- */
-struct __pyx_obj_8_cdec_sa_IntList {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_IntList *__pyx_vtab;
-  int size;
-  int increment;
-  int len;
-  int *arr;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":24
- *         self.children = {}
- * 
- * cdef class ExtendedTrieNode(TrieNode):             # <<<<<<<<<<<<<<
- *     cdef public phrase
- *     cdef public phrase_location
- */
-struct __pyx_obj_8_cdec_sa_ExtendedTrieNode {
-  struct __pyx_obj_8_cdec_sa_TrieNode __pyx_base;
-  PyObject *phrase;
-  PyObject *phrase_location;
-  PyObject *suffix_link;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":56
- * # in the suffix array; if discontiguous, it is the set of
- * # actual locations (packed into an array)
- * cdef class PhraseLocation:             # <<<<<<<<<<<<<<
- *     cdef int sa_low
- *     cdef int sa_high
- */
-struct __pyx_obj_8_cdec_sa_PhraseLocation {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_PhraseLocation *__pyx_vtab;
-  int sa_low;
-  int sa_high;
-  int arr_low;
-  int arr_high;
-  struct __pyx_obj_8_cdec_sa_IntList *arr;
-  int num_subpatterns;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":159
- *         return start
- * 
- * cdef class Rule:             # <<<<<<<<<<<<<<
- *     cdef public int lhs
- *     cdef readonly Phrase f, e
- */
-struct __pyx_obj_8_cdec_sa_Rule {
-  PyObject_HEAD
-  int lhs;
-  struct __pyx_obj_8_cdec_sa_Phrase *f;
-  struct __pyx_obj_8_cdec_sa_Phrase *e;
-  float *cscores;
-  int n_scores;
-  PyObject *word_alignments;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":5
- * as k most frequent n-grams"""
- * 
- * cdef class LCP:             # <<<<<<<<<<<<<<
- *     cdef SuffixArray sa
- *     cdef IntList lcp
- */
-struct __pyx_obj_8_cdec_sa_LCP {
-  PyObject_HEAD
-  struct __pyx_obj_8_cdec_sa_SuffixArray *sa;
-  struct __pyx_obj_8_cdec_sa_IntList *lcp;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":201
- * 
- * 
- * cdef class HieroCachingRuleFactory:             # <<<<<<<<<<<<<<
- *     '''This RuleFactory implements a caching
- *     method using TrieTable, which makes phrase
- */
-struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *__pyx_vtab;
-  struct __pyx_obj_8_cdec_sa_TrieTable *rules;
-  struct __pyx_obj_8_cdec_sa_Sampler *sampler;
-  int max_chunks;
-  int max_target_chunks;
-  int max_length;
-  int max_target_length;
-  int max_nonterminals;
-  int max_initial_size;
-  int train_max_initial_size;
-  int min_gap_size;
-  int train_min_gap_size;
-  int category;
-  PyObject *precomputed_index;
-  PyObject *precomputed_collocations;
-  PyObject *precompute_file;
-  PyObject *max_rank;
-  int precompute_rank;
-  int precompute_secondary_rank;
-  int use_baeza_yates;
-  int use_index;
-  int use_collocations;
-  float by_slack_factor;
-  PyObject *prev_norm_prefix;
-  float extract_time;
-  struct __pyx_obj_8_cdec_sa_SuffixArray *fsa;
-  struct __pyx_obj_8_cdec_sa_DataArray *fda;
-  struct __pyx_obj_8_cdec_sa_DataArray *eda;
-  struct __pyx_obj_8_cdec_sa_Alignment *alignment;
-  struct __pyx_obj_8_cdec_sa_IntList *eid2symid;
-  struct __pyx_obj_8_cdec_sa_IntList *fid2symid;
-  int tight_phrases;
-  int require_aligned_terminal;
-  int require_aligned_chunks;
-  struct __pyx_obj_8_cdec_sa_IntList *findexes;
-  struct __pyx_obj_8_cdec_sa_IntList *findexes1;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":36
- *         logger.info("LCP array completed")
- * 
- *     def compute_stats(self, int max_n):             # <<<<<<<<<<<<<<
- *         """Note: the output of this function is not exact.  In
- *         particular, the frequency associated with each word is
- */
-struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats {
-  PyObject_HEAD
-  int __pyx_v_N;
-  int __pyx_v_freq;
-  int __pyx_v_h;
-  int __pyx_v_i;
-  int __pyx_v_ii;
-  int __pyx_v_iii;
-  int __pyx_v_j;
-  int __pyx_v_k;
-  int __pyx_v_max_n;
-  int __pyx_v_n;
-  PyObject *__pyx_v_ngram;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_ngram_start;
-  PyObject *__pyx_v_ngram_starts;
-  int __pyx_v_rs;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_run_start;
-  struct __pyx_obj_8_cdec_sa_LCP *__pyx_v_self;
-  int __pyx_v_valid;
-  struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_veb;
-  int __pyx_t_0;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":47
- * 
- * 
- * cdef class BiLex:             # <<<<<<<<<<<<<<
- *     cdef FloatList col1
- *     cdef FloatList col2
- */
-struct __pyx_obj_8_cdec_sa_BiLex {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_BiLex *__pyx_vtab;
-  struct __pyx_obj_8_cdec_sa_FloatList *col1;
-  struct __pyx_obj_8_cdec_sa_FloatList *col2;
-  struct __pyx_obj_8_cdec_sa_IntList *f_index;
-  struct __pyx_obj_8_cdec_sa_IntList *e_index;
-  PyObject *id2eword;
-  PyObject *id2fword;
-  PyObject *eword2id;
-  PyObject *fword2id;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":6
- * from libc.stdio cimport FILE, fclose, fopen
- * 
- * cdef class SuffixArray:             # <<<<<<<<<<<<<<
- *     cdef DataArray darray
- *     cdef IntList sa
- */
-struct __pyx_obj_8_cdec_sa_SuffixArray {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_SuffixArray *__pyx_vtab;
-  struct __pyx_obj_8_cdec_sa_DataArray *darray;
-  struct __pyx_obj_8_cdec_sa_IntList *sa;
-  struct __pyx_obj_8_cdec_sa_IntList *ha;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":8
- *     char* stringmap_word(StrMap *vocab, int i)
- * 
- * cdef class StringMap:             # <<<<<<<<<<<<<<
- *     cdef StrMap *vocab
- *     cdef char *word(self, int i)
- */
-struct __pyx_obj_8_cdec_sa_StringMap {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_StringMap *__pyx_vtab;
-  StrMap *vocab;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":109
- *         trie_node_to_map(edge.node, result, prefix, include_zeros)
- * 
- * cdef class TrieMap:             # <<<<<<<<<<<<<<
- * 
- *     cdef _Trie_Node** root
- */
-struct __pyx_obj_8_cdec_sa_TrieMap {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_TrieMap *__pyx_vtab;
-  struct __pyx_t_8_cdec_sa__Trie_Node **root;
-  int V;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":7
- * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1
- * 
- * cdef class Alphabet:             # <<<<<<<<<<<<<<
- *     cdef readonly StringMap terminals, nonterminals
- *     cdef int first_nonterminal, last_nonterminal
- */
-struct __pyx_obj_8_cdec_sa_Alphabet {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_Alphabet *__pyx_vtab;
-  struct __pyx_obj_8_cdec_sa_StringMap *terminals;
-  struct __pyx_obj_8_cdec_sa_StringMap *nonterminals;
-  int first_nonterminal;
-  int last_nonterminal;
-  PyObject *id2sym;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":8
- * # May need to revisit if things get really tight, though.
- * 
- * cdef class Alignment:             # <<<<<<<<<<<<<<
- *     cdef IntList links
- *     cdef IntList sent_index
- */
-struct __pyx_obj_8_cdec_sa_Alignment {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_Alignment *__pyx_vtab;
-  struct __pyx_obj_8_cdec_sa_IntList *links;
-  struct __pyx_obj_8_cdec_sa_IntList *sent_index;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":919
- *         return sorted(result);
- * 
- *     def input(self, fwords, models):             # <<<<<<<<<<<<<<
- *         '''When this function is called on the RuleFactory,
- *         it looks up all of the rules that can be used to translate
- */
-struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input {
-  PyObject_HEAD
-  PyObject *__pyx_v_alignment;
-  PyObject *__pyx_v_als;
-  PyObject *__pyx_v_alslist;
-  int __pyx_v_alt;
-  int __pyx_v_alt_id;
-  int __pyx_v_arity;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_chunklen;
-  PyObject *__pyx_v_count;
-  PyObject *__pyx_v_currcount;
-  PyObject *__pyx_v_e;
-  PyObject *__pyx_v_elist;
-  PyObject *__pyx_v_extract;
-  PyObject *__pyx_v_extract_start;
-  PyObject *__pyx_v_extract_stop;
-  PyObject *__pyx_v_extracts;
-  PyObject *__pyx_v_f;
-  PyObject *__pyx_v_f_margin;
-  PyObject *__pyx_v_fals;
-  PyObject *__pyx_v_fcount;
-  int __pyx_v_flen;
-  PyObject *__pyx_v_fphrases;
-  PyObject *__pyx_v_frontier;
-  PyObject *__pyx_v_frontier_nodes;
-  PyObject *__pyx_v_fwords;
-  struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_hiero_phrase;
-  long __pyx_v_hit;
-  int __pyx_v_i;
-  PyObject *__pyx_v_is_shadow_path;
-  int __pyx_v_j;
-  int __pyx_v_k;
-  PyObject *__pyx_v_key;
-  int __pyx_v_lookup_required;
-  struct __pyx_t_8_cdec_sa_Matching __pyx_v_matching;
-  PyObject *__pyx_v_model;
-  PyObject *__pyx_v_models;
-  PyObject *__pyx_v_new_frontier;
-  PyObject *__pyx_v_new_node;
-  PyObject *__pyx_v_next_states;
-  PyObject *__pyx_v_node;
-  PyObject *__pyx_v_nodes_isteps_away_buffer;
-  int __pyx_v_nualt;
-  int __pyx_v_num_samples;
-  int __pyx_v_num_subpatterns;
-  PyObject *__pyx_v_pathlen;
-  PyObject *__pyx_v_phrase;
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_v_phrase_location;
-  PyObject *__pyx_v_prefix;
-  PyObject *__pyx_v_reachable_buffer;
-  PyObject *__pyx_v_sa_range;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_sample;
-  PyObject *__pyx_v_scores;
-  struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self;
-  PyObject *__pyx_v_spanlen;
-  float __pyx_v_start_time;
-  PyObject *__pyx_v_stop_time;
-  PyObject *__pyx_v_str_phrase;
-  PyObject *__pyx_v_suffix_link;
-  int __pyx_v_suffix_link_xcat;
-  PyObject *__pyx_v_suffix_link_xcat_index;
-  PyObject *__pyx_v_word_id;
-  int __pyx_v_x1;
-  int __pyx_v_xcat;
-  PyObject *__pyx_v_xcat_index;
-  PyObject *__pyx_v_xnode;
-  PyObject *__pyx_v_xroot;
-  Py_ssize_t __pyx_t_0;
-  Py_ssize_t __pyx_t_1;
-  PyObject *__pyx_t_2;
-  PyObject *__pyx_t_3;
-  PyObject *__pyx_t_4;
-  Py_ssize_t __pyx_t_5;
-  Py_ssize_t __pyx_t_6;
-  PyObject *(*__pyx_t_7)(PyObject *);
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":188
- * 
- * 
- * cdef class Precomputation:             # <<<<<<<<<<<<<<
- *     cdef int precompute_rank
- *     cdef int precompute_secondary_rank
- */
-struct __pyx_obj_8_cdec_sa_Precomputation {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_Precomputation *__pyx_vtab;
-  int precompute_rank;
-  int precompute_secondary_rank;
-  int max_length;
-  int max_nonterminals;
-  int train_max_initial_size;
-  int train_min_gap_size;
-  PyObject *precomputed_index;
-  PyObject *precomputed_collocations;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":9
- * from libc.string cimport memset, strcpy, strlen
- * 
- * cdef class FloatList:             # <<<<<<<<<<<<<<
- *     cdef int size
- *     cdef int increment
- */
-struct __pyx_obj_8_cdec_sa_FloatList {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_FloatList *__pyx_vtab;
-  int size;
-  int increment;
-  int len;
-  float *arr;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":35
- * 
- * 
- * cdef class TrieTable:             # <<<<<<<<<<<<<<
- *     cdef public int extended
- *     cdef public int count
- */
-struct __pyx_obj_8_cdec_sa_TrieTable {
-  PyObject_HEAD
-  int extended;
-  int count;
-  PyObject *root;
-};
-
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":6
- * from libc.stdio cimport FILE, fclose, fopen
- * 
- * cdef class SuffixArray:             # <<<<<<<<<<<<<<
- *     cdef DataArray darray
- *     cdef IntList sa
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_SuffixArray {
-  int (*__pyx___search_high)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int);
-  int (*__pyx___search_low)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int);
-  PyObject *(*__pyx___get_range)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int, int);
-  PyObject *(*__pyx___lookup_helper)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_SuffixArray *__pyx_vtabptr_8_cdec_sa_SuffixArray;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":201
- * 
- * 
- * cdef class HieroCachingRuleFactory:             # <<<<<<<<<<<<<<
- *     '''This RuleFactory implements a caching
- *     method using TrieTable, which makes phrase
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory {
-  PyObject *(*set_idmap)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_DataArray *);
-  int *(*baeza_yates_helper)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *);
-  long (*compare_matchings_set)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int, struct __pyx_t_8_cdec_sa_Matching *, int, int);
-  long (*compare_matchings)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_t_8_cdec_sa_Matching *, struct __pyx_t_8_cdec_sa_Matching *, int, int);
-  int *(*merge_helper)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *);
-  void (*sort_phrase_loc)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_IntList *, struct __pyx_obj_8_cdec_sa_PhraseLocation *, struct __pyx_obj_8_cdec_sa_Phrase *);
-  PyObject *(*intersect_helper)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_Phrase *, struct __pyx_obj_8_cdec_sa_Phrase *, struct __pyx_obj_8_cdec_sa_PhraseLocation *, struct __pyx_obj_8_cdec_sa_PhraseLocation *, int);
-  PyObject *(*loc2str)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_PhraseLocation *);
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *(*intersect)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, PyObject *, PyObject *, struct __pyx_obj_8_cdec_sa_Phrase *);
-  int (*find_fixpoint)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, PyObject *, int *, int *, int *, int *, int, int, int *, int *, int *, int *, int, int, int, int, int, int, int, int, int, int, int);
-  PyObject *(*find_projection)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int *);
-  int *(*int_arr_extend)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int *, int *, int *, int);
-  PyObject *(*extract_phrases)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int, int, int, int *, int *, int *, int, int, int);
-  PyObject *(*create_alignments)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int *, int, PyObject *, PyObject *);
-  PyObject *(*extract)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_Phrase *, struct __pyx_t_8_cdec_sa_Matching *, int *, int);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *__pyx_vtabptr_8_cdec_sa_HieroCachingRuleFactory;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":188
- * 
- * 
- * cdef class Precomputation:             # <<<<<<<<<<<<<<
- *     cdef int precompute_rank
- *     cdef int precompute_secondary_rank
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_Precomputation {
-  PyObject *(*read_map)(struct __pyx_obj_8_cdec_sa_Precomputation *, FILE *);
-  PyObject *(*write_map)(struct __pyx_obj_8_cdec_sa_Precomputation *, PyObject *, FILE *);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_Precomputation *__pyx_vtabptr_8_cdec_sa_Precomputation;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":56
- * # in the suffix array; if discontiguous, it is the set of
- * # actual locations (packed into an array)
- * cdef class PhraseLocation:             # <<<<<<<<<<<<<<
- *     cdef int sa_low
- *     cdef int sa_high
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_PhraseLocation {
-  int (*contains)(struct __pyx_obj_8_cdec_sa_PhraseLocation *, int);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_PhraseLocation *__pyx_vtabptr_8_cdec_sa_PhraseLocation;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":8
- *     char* stringmap_word(StrMap *vocab, int i)
- * 
- * cdef class StringMap:             # <<<<<<<<<<<<<<
- *     cdef StrMap *vocab
- *     cdef char *word(self, int i)
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_StringMap {
-  char *(*word)(struct __pyx_obj_8_cdec_sa_StringMap *, int);
-  int (*index)(struct __pyx_obj_8_cdec_sa_StringMap *, char *);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_StringMap *__pyx_vtabptr_8_cdec_sa_StringMap;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":47
- * 
- * 
- * cdef class BiLex:             # <<<<<<<<<<<<<<
- *     cdef FloatList col1
- *     cdef FloatList col2
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_BiLex {
-  PyObject *(*compute_from_data)(struct __pyx_obj_8_cdec_sa_BiLex *, struct __pyx_obj_8_cdec_sa_SuffixArray *, struct __pyx_obj_8_cdec_sa_DataArray *, struct __pyx_obj_8_cdec_sa_Alignment *);
-  PyObject *(*_add_node)(struct __pyx_obj_8_cdec_sa_BiLex *, struct __pyx_t_8_cdec_sa__node *, int *, float, int *);
-  PyObject *(*write_wordlist)(struct __pyx_obj_8_cdec_sa_BiLex *, PyObject *, FILE *);
-  PyObject *(*read_wordlist)(struct __pyx_obj_8_cdec_sa_BiLex *, PyObject *, PyObject *, FILE *);
-  PyObject *(*swap)(struct __pyx_obj_8_cdec_sa_BiLex *, int, int);
-  PyObject *(*qsort)(struct __pyx_obj_8_cdec_sa_BiLex *, int, int, PyObject *);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_BiLex *__pyx_vtabptr_8_cdec_sa_BiLex;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":354
- * 
- * 
- * cdef class VEB:             # <<<<<<<<<<<<<<
- *     cdef _VEB* veb
- *     cdef int _findsucc(self, int i)
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_VEB {
-  int (*_findsucc)(struct __pyx_obj_8_cdec_sa_VEB *, int);
-  int (*_insert)(struct __pyx_obj_8_cdec_sa_VEB *, int);
-  int (*_first)(struct __pyx_obj_8_cdec_sa_VEB *);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_VEB *__pyx_vtabptr_8_cdec_sa_VEB;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":4
- * from libc.string cimport strsep, strcpy, strlen
- * 
- * cdef class Phrase:             # <<<<<<<<<<<<<<
- *     cdef int *syms
- *     cdef int n, *varpos, n_vars
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_Phrase {
-  int (*chunkpos)(struct __pyx_obj_8_cdec_sa_Phrase *, int);
-  int (*chunklen)(struct __pyx_obj_8_cdec_sa_Phrase *, int);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_Phrase *__pyx_vtabptr_8_cdec_sa_Phrase;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":9
- * from libc.string cimport memset, memcpy
- * 
- * cdef class IntList:             # <<<<<<<<<<<<<<
- *     cdef int size
- *     cdef int increment
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_IntList {
-  void (*set)(struct __pyx_obj_8_cdec_sa_IntList *, int, int);
-  void (*_append)(struct __pyx_obj_8_cdec_sa_IntList *, int);
-  void (*_extend)(struct __pyx_obj_8_cdec_sa_IntList *, struct __pyx_obj_8_cdec_sa_IntList *);
-  void (*_extend_arr)(struct __pyx_obj_8_cdec_sa_IntList *, int *, int);
-  void (*_clear)(struct __pyx_obj_8_cdec_sa_IntList *);
-  void (*write_handle)(struct __pyx_obj_8_cdec_sa_IntList *, FILE *);
-  void (*read_handle)(struct __pyx_obj_8_cdec_sa_IntList *, FILE *);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_IntList *__pyx_vtabptr_8_cdec_sa_IntList;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":8
- * # May need to revisit if things get really tight, though.
- * 
- * cdef class Alignment:             # <<<<<<<<<<<<<<
- *     cdef IntList links
- *     cdef IntList sent_index
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_Alignment {
-  int (*link)(struct __pyx_obj_8_cdec_sa_Alignment *, int, int);
-  PyObject *(*_unlink)(struct __pyx_obj_8_cdec_sa_Alignment *, int, int *, int *);
-  int *(*_get_sent_links)(struct __pyx_obj_8_cdec_sa_Alignment *, int, int *);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_Alignment *__pyx_vtabptr_8_cdec_sa_Alignment;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":9
- * from libc.string cimport memset, strcpy, strlen
- * 
- * cdef class FloatList:             # <<<<<<<<<<<<<<
- *     cdef int size
- *     cdef int increment
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_FloatList {
-  void (*set)(struct __pyx_obj_8_cdec_sa_FloatList *, int, float);
-  void (*write_handle)(struct __pyx_obj_8_cdec_sa_FloatList *, FILE *);
-  void (*read_handle)(struct __pyx_obj_8_cdec_sa_FloatList *, FILE *);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_FloatList *__pyx_vtabptr_8_cdec_sa_FloatList;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":109
- *         trie_node_to_map(edge.node, result, prefix, include_zeros)
- * 
- * cdef class TrieMap:             # <<<<<<<<<<<<<<
- * 
- *     cdef _Trie_Node** root
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_TrieMap {
-  struct __pyx_t_8_cdec_sa__Trie_Node *(*_insert)(struct __pyx_obj_8_cdec_sa_TrieMap *, int *, int);
-  struct __pyx_t_8_cdec_sa__Trie_Node *(*_contains)(struct __pyx_obj_8_cdec_sa_TrieMap *, int *, int);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_TrieMap *__pyx_vtabptr_8_cdec_sa_TrieMap;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":9
- * from libc.string cimport memset, strcpy, strlen
- * 
- * cdef class DataArray:             # <<<<<<<<<<<<<<
- *     cdef word2id
- *     cdef id2word
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_DataArray {
-  void (*read_handle)(struct __pyx_obj_8_cdec_sa_DataArray *, FILE *);
-  void (*write_handle)(struct __pyx_obj_8_cdec_sa_DataArray *, FILE *);
-};
-static struct __pyx_vtabstruct_8_cdec_sa_DataArray *__pyx_vtabptr_8_cdec_sa_DataArray;
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":7
- * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1
- * 
- * cdef class Alphabet:             # <<<<<<<<<<<<<<
- *     cdef readonly StringMap terminals, nonterminals
- *     cdef int first_nonterminal, last_nonterminal
- */
-
-struct __pyx_vtabstruct_8_cdec_sa_Alphabet {
-  int (*isvar)(struct __pyx_obj_8_cdec_sa_Alphabet *, int);
-  int (*isword)(struct __pyx_obj_8_cdec_sa_Alphabet *, int);
-  int (*getindex)(struct __pyx_obj_8_cdec_sa_Alphabet *, int);
-  int (*setindex)(struct __pyx_obj_8_cdec_sa_Alphabet *, int, int);
-  int (*clearindex)(struct __pyx_obj_8_cdec_sa_Alphabet *, int);
-  int (*match)(struct __pyx_obj_8_cdec_sa_Alphabet *, int, int);
-  char *(*tocat)(struct __pyx_obj_8_cdec_sa_Alphabet *, int);
-  int (*fromcat)(struct __pyx_obj_8_cdec_sa_Alphabet *, char *);
-  char *(*tostring)(struct __pyx_obj_8_cdec_sa_Alphabet *, int);
-  int (*fromstring)(struct __pyx_obj_8_cdec_sa_Alphabet *, char *, int);
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-static struct __pyx_vtabstruct_8_cdec_sa_Alphabet *__pyx_vtabptr_8_cdec_sa_Alphabet;
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-                return result;
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-        }
-        return 0;
-    }
-    return __Pyx_PyBytes_SingleTailmatch(self, substr, start, end, direction);
-}
-
-static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name); /*proto*/
-
-static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[], \
-    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args, \
-    const char* function_name); /*proto*/
-
-static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
-    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
-
-static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
-static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
-
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); /*proto*/
-
-static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); /*proto*/
-
-static CYTHON_INLINE int __Pyx_CheckKeywordStrings(PyObject *kwdict, const char* function_name, int kw_allowed); /*proto*/
-
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
-    PyObject *r;
-    if (!j) return NULL;
-    r = PyObject_GetItem(o, j);
-    Py_DECREF(j);
-    return r;
-}
-#define __Pyx_GetItemInt_List(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
-                                                    __Pyx_GetItemInt_List_Fast(o, i) : \
-                                                    __Pyx_GetItemInt_Generic(o, to_py_func(i)))
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i) {
-    if (likely(o != Py_None)) {
-        if (likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
-            PyObject *r = PyList_GET_ITEM(o, i);
-            Py_INCREF(r);
-            return r;
-        }
-        else if ((-PyList_GET_SIZE(o) <= i) & (i < 0)) {
-            PyObject *r = PyList_GET_ITEM(o, PyList_GET_SIZE(o) + i);
-            Py_INCREF(r);
-            return r;
-        }
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-}
-#define __Pyx_GetItemInt_Tuple(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
-                                                    __Pyx_GetItemInt_Tuple_Fast(o, i) : \
-                                                    __Pyx_GetItemInt_Generic(o, to_py_func(i)))
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i) {
-    if (likely(o != Py_None)) {
-        if (likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, i);
-            Py_INCREF(r);
-            return r;
-        }
-        else if ((-PyTuple_GET_SIZE(o) <= i) & (i < 0)) {
-            PyObject *r = PyTuple_GET_ITEM(o, PyTuple_GET_SIZE(o) + i);
-            Py_INCREF(r);
-            return r;
-        }
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-}
-#define __Pyx_GetItemInt(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
-                                                    __Pyx_GetItemInt_Fast(o, i) : \
-                                                    __Pyx_GetItemInt_Generic(o, to_py_func(i)))
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i) {
-    if (PyList_CheckExact(o)) {
-        Py_ssize_t n = (likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
-        if (likely((n >= 0) & (n < PyList_GET_SIZE(o)))) {
-            PyObject *r = PyList_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    }
-    else if (PyTuple_CheckExact(o)) {
-        Py_ssize_t n = (likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
-        if (likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    }
-    else if (likely(i >= 0)) {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_item)) {
-            return m->sq_item(o, i);
-        }
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-}
-
-static CYTHON_INLINE int __Pyx_NegateNonNeg(int b) {
-    return unlikely(b < 0) ? b : !b;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyBoolOrNull_FromLong(long b) {
-    return unlikely(b < 0) ? NULL : __Pyx_PyBool_FromLong(b);
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
-    if (likely(PyList_CheckExact(L))) {
-        if (PyList_Append(L, x) < 0) return NULL;
-        Py_INCREF(Py_None);
-        return Py_None; /* this is just to have an accurate signature */
-    }
-    else {
-        PyObject *r, *m;
-        m = __Pyx_GetAttrString(L, "append");
-        if (!m) return NULL;
-        r = PyObject_CallFunctionObjArgs(m, x, NULL);
-        Py_DECREF(m);
-        return r;
-    }
-}
-
-static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
-
-static CYTHON_INLINE long __Pyx_div_long(long, long); /* proto */
-
-static CYTHON_INLINE long __Pyx_mod_long(long, long); /* proto */
-
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
-
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
-
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected); /*proto*/
-
-#define __Pyx_SetItemInt(o, i, v, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
-                                                    __Pyx_SetItemInt_Fast(o, i, v) : \
-                                                    __Pyx_SetItemInt_Generic(o, to_py_func(i), v))
-static CYTHON_INLINE int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v) {
-    int r;
-    if (!j) return -1;
-    r = PyObject_SetItem(o, j, v);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v) {
-    if (PyList_CheckExact(o)) {
-        Py_ssize_t n = (likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
-        if (likely((n >= 0) & (n < PyList_GET_SIZE(o)))) {
-            PyObject* old = PyList_GET_ITEM(o, n);
-            Py_INCREF(v);
-            PyList_SET_ITEM(o, n, v);
-            Py_DECREF(old);
-            return 1;
-        }
-    }
-    else if (likely(i >= 0)) {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_ass_item)) {
-            return m->sq_ass_item(o, i, v);
-        }
-    }
-    return __Pyx_SetItemInt_Generic(o, PyInt_FromSsize_t(i), v);
-}
-
-static double __Pyx__PyObject_AsDouble(PyObject* obj); /* proto */
-#define __Pyx_PyObject_AsDouble(obj) \
-((likely(PyFloat_CheckExact(obj))) ? \
- PyFloat_AS_DOUBLE(obj) : __Pyx__PyObject_AsDouble(obj))
-
-static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
-
-static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
-    const char *name, int exact); /*proto*/
-
-#if PY_VERSION_HEX < 0x02050000
-#ifndef PyAnySet_CheckExact
-#define PyAnySet_CheckExact(ob) \
-    ((ob)->ob_type == &PySet_Type || \
-     (ob)->ob_type == &PyFrozenSet_Type)
-#define PySet_New(iterable) \
-    PyObject_CallFunctionObjArgs((PyObject *)&PySet_Type, (iterable), NULL)
-#define Pyx_PyFrozenSet_New(iterable) \
-    PyObject_CallFunctionObjArgs((PyObject *)&PyFrozenSet_Type, (iterable), NULL)
-#define PySet_Size(anyset) \
-    PyObject_Size((anyset))
-#define PySet_Contains(anyset, key) \
-    PySequence_Contains((anyset), (key))
-#define PySet_Pop(set) \
-    PyObject_CallMethod(set, (char *)"pop", NULL)
-static CYTHON_INLINE int PySet_Clear(PyObject *set) {
-    PyObject *ret = PyObject_CallMethod(set, (char *)"clear", NULL);
-    if (!ret) return -1;
-    Py_DECREF(ret); return 0;
-}
-static CYTHON_INLINE int PySet_Discard(PyObject *set, PyObject *key) {
-    PyObject *ret = PyObject_CallMethod(set, (char *)"discard", (char *)"O", key);
-    if (!ret) return -1;
-    Py_DECREF(ret); return 0;
-}
-static CYTHON_INLINE int PySet_Add(PyObject *set, PyObject *key) {
-    PyObject *ret = PyObject_CallMethod(set, (char *)"add", (char *)"O", key);
-    if (!ret) return -1;
-    Py_DECREF(ret); return 0;
-}
-#endif /* PyAnySet_CheckExact (<= Py2.4) */
-#endif /* < Py2.5  */
-
-static CYTHON_INLINE void __Pyx_RaiseNoneIndexingError(void);
-
-#if PY_MAJOR_VERSION >= 3
-static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) {
-    PyObject *value;
-    if (unlikely(d == Py_None)) {
-        __Pyx_RaiseNoneIndexingError();
-        return NULL;
-    }
-    value = PyDict_GetItemWithError(d, key);
-    if (unlikely(!value)) {
-        if (!PyErr_Occurred())
-            PyErr_SetObject(PyExc_KeyError, key);
-        return NULL;
-    }
-    Py_INCREF(value);
-    return value;
-}
-#else
-    #define __Pyx_PyDict_GetItem(d, key) PyObject_GetItem(d, key)
-#endif
-
-static CYTHON_INLINE int __Pyx_div_int(int, int); /* proto */
-
-#define UNARY_NEG_WOULD_OVERFLOW(x)            (((x) < 0) & ((unsigned long)(x) == 0-(unsigned long)(x)))
-
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Pop(PyObject* L) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x02040000
-    if (likely(PyList_CheckExact(L))
-        && likely(PyList_GET_SIZE(L) > (((PyListObject*)L)->allocated >> 1))) {
-        Py_SIZE(L) -= 1;
-        return PyList_GET_ITEM(L, PyList_GET_SIZE(L));
-    }
-#if PY_VERSION_HEX >= 0x02050000
-    else if (Py_TYPE(L) == (&PySet_Type)) {
-        return PySet_Pop(L);
-    }
-#endif
-#endif
-    return PyObject_CallMethod(L, (char*)"pop", NULL);
-}
-
-static PyObject *__Pyx_PyDict_SetDefault(PyObject *d, PyObject *key, PyObject *default_value) {
-    PyObject* value;
-#if PY_MAJOR_VERSION >= 3
-    value = PyDict_GetItemWithError(d, key);
-    if (unlikely(!value)) {
-        if (unlikely(PyErr_Occurred()))
-            return NULL;
-        if (unlikely(PyDict_SetItem(d, key, default_value) == -1))
-            return NULL;
-        value = default_value;
-    }
-    Py_INCREF(value);
-#else
-    if (PyString_CheckExact(key) || PyUnicode_CheckExact(key) || PyInt_CheckExact(key)) {
-        value = PyDict_GetItem(d, key);
-        if (unlikely(!value)) {
-            if (unlikely(PyDict_SetItem(d, key, default_value) == -1))
-                return NULL;
-            value = default_value;
-        }
-        Py_INCREF(value);
-    } else {
-        PyObject *m;
-        m = __Pyx_GetAttrString(d, "setdefault");
-        if (!m) return NULL;
-        value = PyObject_CallFunctionObjArgs(m, key, default_value, NULL);
-        Py_DECREF(m);
-    }
-#endif
-    return value;
-}
-
-static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
-static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
-
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level); /*proto*/
-
-static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject *);
-
-static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject *);
-
-static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject *);
-
-static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject *);
-
-static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject *);
-
-static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject *);
-
-static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject *);
-
-static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject *);
-
-static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject *);
-
-static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject *);
-
-static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject *);
-
-static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject *);
-
-static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject *);
-
-static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject *);
-
-static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject *);
-
-static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject *);
-
-static void __Pyx_WriteUnraisable(const char *name, int clineno,
-                                  int lineno, const char *filename); /*proto*/
-
-static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
-
-#define __Pyx_Generator_USED
-#include <structmember.h>
-typedef PyObject *(*__pyx_generator_body_t)(PyObject *, PyObject *);
-typedef struct {
-    PyObject_HEAD
-    __pyx_generator_body_t body;
-    PyObject *closure;
-    int is_running;
-    int resume_label;
-    PyObject *exc_type;
-    PyObject *exc_value;
-    PyObject *exc_traceback;
-    PyObject *gi_weakreflist;
-    PyObject *classobj;
-} __pyx_GeneratorObject;
-static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
-                                                  PyObject *closure);
-static int __pyx_Generator_init(void);
-
-static int __Pyx_check_binary_version(void);
-
-static int __Pyx_SetVtable(PyObject *dict, void *vtable); /*proto*/
-
-typedef struct {
-    int code_line;
-    PyCodeObject* code_object;
-} __Pyx_CodeObjectCacheEntry;
-struct __Pyx_CodeObjectCache {
-    int count;
-    int max_count;
-    __Pyx_CodeObjectCacheEntry* entries;
-};
-static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
-static PyCodeObject *__pyx_find_code_object(int code_line);
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
-
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename); /*proto*/
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
-
-
-/* Module declarations from 'libc.stdio' */
-
-/* Module declarations from 'libc.stdlib' */
-
-/* Module declarations from 'libc.string' */
-
-/* Module declarations from 'libc.math' */
-
-/* Module declarations from '_cdec_sa' */
-static PyTypeObject *__pyx_ptype_8_cdec_sa_FloatList = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_IntList = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_StringMap = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_DataArray = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_Alignment = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_BiLex = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_BitSetIterator = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_BitSet = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_VEBIterator = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_VEB = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_LCP = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_Alphabet = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_Phrase = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_Rule = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_TrieMap = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_Precomputation = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_SuffixArray = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_TrieNode = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_ExtendedTrieNode = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_TrieTable = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_PhraseLocation = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_Sampler = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_HieroCachingRuleFactory = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa___pyx_scope_struct__compute_stats = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa___pyx_scope_struct_1_input = 0;
-static int __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE;
-static int __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS;
-static int __pyx_v_8_cdec_sa_LOWER_MASK[32];
-static int __pyx_v_8_cdec_sa_INDEX_SHIFT;
-static int __pyx_v_8_cdec_sa_INDEX_MASK;
-static struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_8_cdec_sa_ALPHABET = 0;
-static int __pyx_v_8_cdec_sa_PRECOMPUTE;
-static int __pyx_v_8_cdec_sa_MERGE;
-static int __pyx_v_8_cdec_sa_BAEZA_YATES;
-static int __pyx_v_8_cdec_sa_EPSILON;
-static float __pyx_f_8_cdec_sa_monitor_cpu(void); /*proto*/
-static struct __pyx_t_8_cdec_sa__node *__pyx_f_8_cdec_sa_new_node(int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_del_node(struct __pyx_t_8_cdec_sa__node *); /*proto*/
-static int *__pyx_f_8_cdec_sa_get_val(struct __pyx_t_8_cdec_sa__node *, int); /*proto*/
-static void __pyx_f_8_cdec_sa__init_lower_mask(void); /*proto*/
-static struct __pyx_t_8_cdec_sa__BitSet *__pyx_f_8_cdec_sa_new_BitSet(void); /*proto*/
-static int __pyx_f_8_cdec_sa_bitset_findsucc(struct __pyx_t_8_cdec_sa__BitSet *, int); /*proto*/
-static int __pyx_f_8_cdec_sa_bitset_insert(struct __pyx_t_8_cdec_sa__BitSet *, int); /*proto*/
-static int __pyx_f_8_cdec_sa_bitset_contains(struct __pyx_t_8_cdec_sa__BitSet *, int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_dec2bin(long); /*proto*/
-static struct __pyx_t_8_cdec_sa__VEB *__pyx_f_8_cdec_sa_new_VEB(int); /*proto*/
-static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *, int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *); /*proto*/
-static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *, int); /*proto*/
-static int __pyx_f_8_cdec_sa_VEB_contains(struct __pyx_t_8_cdec_sa__VEB *, int); /*proto*/
-static int __pyx_f_8_cdec_sa_sym_setindex(int, int); /*proto*/
-static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_new_trie_node(void); /*proto*/
-static struct __pyx_t_8_cdec_sa__Trie_Edge *__pyx_f_8_cdec_sa_new_trie_edge(int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_free_trie_node(struct __pyx_t_8_cdec_sa__Trie_Node *); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_free_trie_edge(struct __pyx_t_8_cdec_sa__Trie_Edge *); /*proto*/
-static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_trie_find(struct __pyx_t_8_cdec_sa__Trie_Node *, int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_trie_node_data_append(struct __pyx_t_8_cdec_sa__Trie_Node *, int); /*proto*/
-static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_trie_insert(struct __pyx_t_8_cdec_sa__Trie_Node *, int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_trie_node_to_map(struct __pyx_t_8_cdec_sa__Trie_Node *, PyObject *, PyObject *, int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_trie_edge_to_map(struct __pyx_t_8_cdec_sa__Trie_Edge *, PyObject *, PyObject *, int); /*proto*/
-static void __pyx_f_8_cdec_sa_assign_matching(struct __pyx_t_8_cdec_sa_Matching *, int *, int, int, int *); /*proto*/
-static int *__pyx_f_8_cdec_sa_append_combined_matching(int *, struct __pyx_t_8_cdec_sa_Matching *, struct __pyx_t_8_cdec_sa_Matching *, int, int, int *); /*proto*/
-static int *__pyx_f_8_cdec_sa_extend_arr(int *, int *, int *, int); /*proto*/
-static int __pyx_f_8_cdec_sa_median(int, int, int); /*proto*/
-static void __pyx_f_8_cdec_sa_find_comparable_matchings(int, int, int *, int, int, int *, int *); /*proto*/
-#define __Pyx_MODULE_NAME "_cdec_sa"
-int __pyx_module_is_main__cdec_sa = 0;
-
-/* Implementation of '_cdec_sa' */
-static PyObject *__pyx_builtin_open;
-static PyObject *__pyx_builtin_IndexError;
-static PyObject *__pyx_builtin_range;
-static PyObject *__pyx_builtin_TypeError;
-static PyObject *__pyx_builtin_enumerate;
-static PyObject *__pyx_builtin_map;
-static PyObject *__pyx_builtin_Exception;
-static PyObject *__pyx_builtin_zip;
-static PyObject *__pyx_builtin_StopIteration;
-static PyObject *__pyx_builtin_cmp;
-static PyObject *__pyx_builtin_ValueError;
-static PyObject *__pyx_builtin_sorted;
-static PyObject *__pyx_pf_8_cdec_sa_gzip_or_text(CYTHON_UNUSED PyObject *__pyx_self, char *__pyx_v_filename); /* proto */
-static int __pyx_pf_8_cdec_sa_9FloatList___cinit__(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, int __pyx_v_size, int __pyx_v_increment, int __pyx_v_initial_len); /* proto */
-static void __pyx_pf_8_cdec_sa_9FloatList_2__dealloc__(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9FloatList_4__getitem__(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static int __pyx_pf_8_cdec_sa_9FloatList_6__setitem__(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_val); /* proto */
-static Py_ssize_t __pyx_pf_8_cdec_sa_9FloatList_8__len__(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9FloatList_10append(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, float __pyx_v_val); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9FloatList_12write(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9FloatList_14read(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static int __pyx_pf_8_cdec_sa_7IntList___cinit__(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, int __pyx_v_size, int __pyx_v_increment, int __pyx_v_initial_len); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_2__str__(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_4index(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, PyObject *__pyx_v_val); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_6partition(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, PyObject *__pyx_v_start, PyObject *__pyx_v_end); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_8_doquicksort(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, PyObject *__pyx_v_start, PyObject *__pyx_v_end); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_10sort(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_12reset(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self); /* proto */
-static void __pyx_pf_8_cdec_sa_7IntList_14__dealloc__(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_16__getitem__(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, PyObject *__pyx_v_index); /* proto */
-static int __pyx_pf_8_cdec_sa_7IntList_18__setitem__(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_val); /* proto */
-static Py_ssize_t __pyx_pf_8_cdec_sa_7IntList_20__len__(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_22getSize(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_24append(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, int __pyx_v_val); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_26extend(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, PyObject *__pyx_v_other); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_28write(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_30read(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static int __pyx_pf_8_cdec_sa_9StringMap___cinit__(struct __pyx_obj_8_cdec_sa_StringMap *__pyx_v_self); /* proto */
-static void __pyx_pf_8_cdec_sa_9StringMap_2__dealloc__(struct __pyx_obj_8_cdec_sa_StringMap *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_9DataArray___cinit__(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text, int __pyx_v_use_sent_id); /* proto */
-static Py_ssize_t __pyx_pf_8_cdec_sa_9DataArray_2__len__(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_4getSentId(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_6getSent(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_8getSentPos(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_loc); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_10get_id(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_word); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_12get_word(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_id); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_14write_text(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_16read_text(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_18read_binary(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_20write_binary(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_22write_enhanced_handle(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_f); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_24write_enhanced(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_unlink(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_link); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_2get_sent_links(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, int __pyx_v_sent_id); /* proto */
-static int __pyx_pf_8_cdec_sa_9Alignment_4__cinit__(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_6read_text(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_8read_binary(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_10write_text(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_12write_binary(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_14write_enhanced(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_16alignment(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static int __pyx_pf_8_cdec_sa_5BiLex___cinit__(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_from_text, PyObject *__pyx_v_from_data, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_earray, PyObject *__pyx_v_fsarray, PyObject *__pyx_v_alignment); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_2write_binary(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_4read_binary(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_6get_e_id(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_eword); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_8get_f_id(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_fword); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_10read_text(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_12write_enhanced(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_14get_score(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_fword, PyObject *__pyx_v_eword, PyObject *__pyx_v_col); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_16write_text(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_14BitSetIterator___next__(struct __pyx_obj_8_cdec_sa_BitSetIterator *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_6BitSet___cinit__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static void __pyx_pf_8_cdec_sa_6BitSet_2__dealloc__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_4__iter__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_6insert(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_8findsucc(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_10__str__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_12min(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_14max(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static Py_ssize_t __pyx_pf_8_cdec_sa_6BitSet_16__len__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_6BitSet_18__contains__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11VEBIterator___next__(struct __pyx_obj_8_cdec_sa_VEBIterator *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_3VEB___cinit__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self, int __pyx_v_size); /* proto */
-static void __pyx_pf_8_cdec_sa_3VEB_2__dealloc__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_3VEB_4__iter__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_3VEB_6insert(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_3VEB_8findsucc(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static Py_ssize_t __pyx_pf_8_cdec_sa_3VEB_10__len__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_3VEB_12__contains__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static int __pyx_pf_8_cdec_sa_3LCP___cinit__(struct __pyx_obj_8_cdec_sa_LCP *__pyx_v_self, struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_sa); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_3LCP_2compute_stats(struct __pyx_obj_8_cdec_sa_LCP *__pyx_v_self, int __pyx_v_max_n); /* proto */
-static int __pyx_pf_8_cdec_sa_8Alphabet___cinit__(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self); /* proto */
-static void __pyx_pf_8_cdec_sa_8Alphabet_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_8Alphabet_9terminals___get__(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_8Alphabet_12nonterminals___get__(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_2sym_tostring(CYTHON_UNUSED PyObject *__pyx_self, int __pyx_v_sym); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4sym_fromstring(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_string, int __pyx_v_terminal); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6sym_isvar(CYTHON_UNUSED PyObject *__pyx_self, int __pyx_v_sym); /* proto */
-static int __pyx_pf_8_cdec_sa_6Phrase___cinit__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_words); /* proto */
-static void __pyx_pf_8_cdec_sa_6Phrase_2__dealloc__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_4__str__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_6handle(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_8strhandle(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_10arity(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_12getvarpos(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_14getvar(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_16clen(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_k); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_18getchunk(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_ci); /* proto */
-#if PY_MAJOR_VERSION < 3
-static int __pyx_pf_8_cdec_sa_6Phrase_20__cmp__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_other); /* proto */
-#endif
-static Py_hash_t __pyx_pf_8_cdec_sa_6Phrase_22__hash__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static Py_ssize_t __pyx_pf_8_cdec_sa_6Phrase_24__len__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_26__getitem__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_28__iter__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_30subst(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_start, PyObject *__pyx_v_children); /* proto */
-static int __pyx_pf_8_cdec_sa_4Rule___cinit__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, int __pyx_v_lhs, struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_f, struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_e, PyObject *__pyx_v_scores, PyObject *__pyx_v_word_alignments); /* proto */
-static void __pyx_pf_8_cdec_sa_4Rule_2__dealloc__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static Py_hash_t __pyx_pf_8_cdec_sa_4Rule_4__hash__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-#if PY_MAJOR_VERSION < 3
-static int __pyx_pf_8_cdec_sa_4Rule_6__cmp__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_other); /* proto */
-#endif
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_8__iadd__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_other); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_10fmerge(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_f); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_12arity(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_14__str__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_6scores___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_4Rule_6scores_2__set__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, PyObject *__pyx_v_s); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_3lhs___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_4Rule_3lhs_2__set__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_1f___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_1e___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_15word_alignments___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_4Rule_15word_alignments_2__set__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_8_cdec_sa_4Rule_15word_alignments_4__del__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_7TrieMap___cinit__(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self, int __pyx_v_alphabet_size); /* proto */
-static void __pyx_pf_8_cdec_sa_7TrieMap_2__dealloc__(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_4insert(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_6contains(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_8toMap(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_flag); /* proto */
-static int __pyx_pf_8_cdec_sa_14Precomputation___cinit__(struct __pyx_obj_8_cdec_sa_Precomputation *__pyx_v_self, PyObject *__pyx_v_fsarray, PyObject *__pyx_v_from_stats, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_precompute_rank, PyObject *__pyx_v_precompute_secondary_rank, PyObject *__pyx_v_max_length, PyObject *__pyx_v_max_nonterminals, PyObject *__pyx_v_train_max_initial_size, PyObject *__pyx_v_train_min_gap_size); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_2read_binary(struct __pyx_obj_8_cdec_sa_Precomputation *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_4write_binary(struct __pyx_obj_8_cdec_sa_Precomputation *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_obj_8_cdec_sa_Precomputation *__pyx_v_self, PyObject *__pyx_v_stats, struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_sarray); /* proto */
-static int __pyx_pf_8_cdec_sa_11SuffixArray___cinit__(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_2__getitem__(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_4getSentId(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_6getSent(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_8getSentPos(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_loc); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_10read_text(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_12q3sort(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, int __pyx_v_i, int __pyx_v_j, int __pyx_v_h, struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_isa, PyObject *__pyx_v_pad); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_14write_text(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_16read_binary(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_18write_binary(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_22lookup(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_word, int __pyx_v_offset, int __pyx_v_low, int __pyx_v_high); /* proto */
-static int __pyx_pf_8_cdec_sa_8TrieNode___cinit__(struct __pyx_obj_8_cdec_sa_TrieNode *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_8TrieNode_8children___get__(struct __pyx_obj_8_cdec_sa_TrieNode *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_8TrieNode_8children_2__set__(struct __pyx_obj_8_cdec_sa_TrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_8_cdec_sa_8TrieNode_8children_4__del__(struct __pyx_obj_8_cdec_sa_TrieNode *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode___cinit__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_phrase, PyObject *__pyx_v_phrase_location, PyObject *__pyx_v_suffix_link); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_16ExtendedTrieNode_6phrase___get__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_6phrase_2__set__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_6phrase_4__del__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_16ExtendedTrieNode_15phrase_location___get__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_15phrase_location_2__set__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_15phrase_location_4__del__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_16ExtendedTrieNode_11suffix_link___get__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_11suffix_link_2__set__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_11suffix_link_4__del__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_9TrieTable___cinit__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_extended); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9TrieTable_8extended___get__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_9TrieTable_8extended_2__set__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9TrieTable_5count___get__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_9TrieTable_5count_2__set__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9TrieTable_4root___get__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_9TrieTable_4root_2__set__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_8_cdec_sa_9TrieTable_4root_4__del__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_14PhraseLocation___cinit__(struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_v_self, int __pyx_v_sa_low, int __pyx_v_sa_high, int __pyx_v_arr_low, int __pyx_v_arr_high, PyObject *__pyx_v_arr, int __pyx_v_num_subpatterns); /* proto */
-static int __pyx_pf_8_cdec_sa_7Sampler___cinit__(struct __pyx_obj_8_cdec_sa_Sampler *__pyx_v_self, int __pyx_v_sample_size, struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_fsarray); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7Sampler_2sample(struct __pyx_obj_8_cdec_sa_Sampler *__pyx_v_self, struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_v_phrase_location); /* proto */
-static int __pyx_pf_8_cdec_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_alignment, float __pyx_v_by_slack_factor, char *__pyx_v_category, PyObject *__pyx_v_max_chunks, unsigned int __pyx_v_max_initial_size, unsigned int __pyx_v_max_length, unsigned int __pyx_v_max_nonterminals, PyObject *__pyx_v_max_target_chunks, PyObject *__pyx_v_max_target_length, unsigned int __pyx_v_min_gap_size, PyObject *__pyx_v_precompute_file, unsigned int __pyx_v_precompute_secondary_rank, unsigned int __pyx_v_precompute_rank, int __pyx_v_require_aligned_terminal, int __pyx_v_require_aligned_chunks, unsigned int __pyx_v_train_max_initial_size, unsigned int __pyx_v_train_min_gap_size, int __pyx_v_tight_phrases, int __pyx_v_use_baeza_yates, int __pyx_v_use_collocations, int __pyx_v_use_index); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_2configure(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_fsarray, struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_edarray, struct __pyx_obj_8_cdec_sa_Sampler *__pyx_v_sampler); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_4pattern2phrase(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_8precompute(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_10get_precomputed_collocation(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_phrase); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_12advance(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_frontier, PyObject *__pyx_v_res, PyObject *__pyx_v_fwords); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_away(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_skip, PyObject *__pyx_v_i, PyObject *__pyx_v_spanlen, PyObject *__pyx_v_pathlen, PyObject *__pyx_v_fwords, PyObject *__pyx_v_next_states, PyObject *__pyx_v_reachable_buffer); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_16reachable(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_ifrom, PyObject *__pyx_v_dist); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_18shortest(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_ifrom, PyObject *__pyx_v_ito); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_20get_next_states(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v__columns, PyObject *__pyx_v_curr_idx, PyObject *__pyx_v_min_dist); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_22input(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_models); /* proto */
-static char __pyx_k_1[] = ".gz";
-static char __pyx_k_2[] = "Requested index %d of %d-length FloatList";
-static char __pyx_k_3[] = "IntList[";
-static char __pyx_k_4[] = ",";
-static char __pyx_k_5[] = "]";
-static char __pyx_k_6[] = "len=";
-static char __pyx_k_7[] = "Requested index %d of %d-length IntList";
-static char __pyx_k_8[] = "Requested index %d:%d of %d-length IntList";
-static char __pyx_k_9[] = "Illegal key type %s for IntList";
-static char __pyx_k_13[] = "%s ";
-static char __pyx_k_14[] = "\n";
-static char __pyx_k_18[] = "%d ";
-static char __pyx_k_22[] = "%s %d ";
-static char __pyx_k_24[] = "write_enhanced_handle";
-static char __pyx_k_28[] = "-";
-static char __pyx_k_32[] = "%d-%d ";
-static char __pyx_k_39[] = "%d-%d out of bounds (I=%d,J=%d) in line %d\n";
-static char __pyx_k_42[] = "";
-static char __pyx_k_43[] = "Sort error in CLex";
-static char __pyx_k_45[] = "    ";
-static char __pyx_k_47[] = "%d %f %f ";
-static char __pyx_k_49[] = "%d %s ";
-static char __pyx_k_53[] = "%s %s %.6f %.6f\n";
-static char __pyx_k_55[] = "  (";
-static char __pyx_k_56[] = ")";
-static char __pyx_k_57[] = "Constructing LCP array";
-static char __pyx_k_59[] = "LCP array completed";
-static char __pyx_k_61[] = "[%s,%d]";
-static char __pyx_k_62[] = "[%s]";
-static char __pyx_k_63[] = "\\";
-static char __pyx_k_64[] = " ";
-static char __pyx_k_65[] = "Invalid LHS symbol: %d";
-static char __pyx_k_66[] = "%d-%d";
-static char __pyx_k_67[] = " ||| ";
-static char __pyx_k_68[] = "precompute_secondary_rank";
-static char __pyx_k_69[] = "train_max_initial_size";
-static char __pyx_k_70[] = "Precomputing frequent intersections";
-static char __pyx_k_72[] = "    Computing inverted indexes...";
-static char __pyx_k_74[] = "    Computing collocations...";
-static char __pyx_k_76[] = "        %d sentences";
-static char __pyx_k_81[] = "X ";
-static char __pyx_k_82[] = "ERROR: unexpected pattern %s in set of precomputed collocations";
-static char __pyx_k_83[] = "RANK %d\tCOUNT, COST: %d    %d\tCUMUL: %d, %d";
-static char __pyx_k_84[] = "Precomputed collocations for %d patterns out of %d possible (upper bound %d)";
-static char __pyx_k_85[] = "Precomputed inverted index for %d patterns ";
-static char __pyx_k_86[] = "Precomputation took %f seconds";
-static char __pyx_k_87[] = "    Bucket sort took %f seconds";
-static char __pyx_k_88[] = "    Refining, sort depth = %d";
-static char __pyx_k_89[] = "    Refinement took %f seconds";
-static char __pyx_k_90[] = "    Finalizing sort...";
-static char __pyx_k_92[] = "Suffix array construction took %f seconds";
-static char __pyx_k_93[] = "Unexpected condition found in q3sort: sort from %d to %d";
-static char __pyx_k_98[] = "Sampling strategy: uniform, max sample size = %d";
-static char __pyx_k_99[] = "Sampling strategy: no sampling";
-static char __pyx_k__0[] = "0";
-static char __pyx_k__1[] = "1";
-static char __pyx_k__e[] = "e";
-static char __pyx_k__f[] = "f";
-static char __pyx_k__h[] = "h";
-static char __pyx_k__i[] = "i";
-static char __pyx_k__j[] = "j";
-static char __pyx_k__r[] = "r";
-static char __pyx_k__w[] = "w";
-static char __pyx_k_101[] = "require_aligned_terminal";
-static char __pyx_k_102[] = "require_aligned_chunks";
-static char __pyx_k_103[] = "[X]";
-static char __pyx_k_104[] = "Must specify an alignment object";
-static char __pyx_k_106[] = "Reading precomputed data from file %s... ";
-static char __pyx_k_107[] = "Precomputation done with max nonterminals %d, decoder uses %d";
-static char __pyx_k_108[] = "Precomputation done with max terminals %d, decoder uses %d";
-static char __pyx_k_109[] = "Precomputation done with max initial size %d, decoder uses %d";
-static char __pyx_k_110[] = "Precomputation done with min gap size %d, decoder uses %d";
-static char __pyx_k_111[] = "Converting %d hash keys on precomputed inverted index... ";
-static char __pyx_k_112[] = "Converting %d hash keys on precomputed collocations... ";
-static char __pyx_k_113[] = "Processing precomputations took %f seconds";
-static char __pyx_k_114[] = "{";
-  static char __pyx_k_115[] = "(";
-static char __pyx_k_116[] = "}";
-static char __pyx_k_117[] = "get_precomputed_collocation";
-static char __pyx_k_118[] = "double binary";
-static char __pyx_k_119[] = "Keyword trie error";
-static char __pyx_k_121[] = "get_all_nodes_isteps_away";
-static char __pyx_k_122[] = "Total time for rule lookup, extraction, and scoring = %f seconds";
-static char __pyx_k_123[] = "    Extract time = %f seconds";
-static char __pyx_k_124[] = "No aligned terminals";
-static char __pyx_k_125[] = "Unaligned chunk";
-static char __pyx_k_126[] = "Gaps are not tight phrases";
-static char __pyx_k_127[] = "Inside edges of preceding subphrase are not tight";
-static char __pyx_k_128[] = "Inside edges of following subphrase are not tight";
-static char __pyx_k_129[] = "Subphrase [%d, %d] failed integrity check";
-static char __pyx_k_130[] = "Didn't extract anything from [%d, %d] -> [%d, %d]";
-static char __pyx_k_131[] = "Unable to extract basic phrase";
-static char __pyx_k_134[] = "/Users/vchahun/Sandbox/cdec/python/src/sa/_cdec_sa.pyx";
-static char __pyx_k_135[] = "cdec.sa";
-static char __pyx_k_139[] = "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi";
-static char __pyx_k_144[] = "*EPS*";
-static char __pyx_k__gc[] = "gc";
-static char __pyx_k__sa[] = "sa";
-static char __pyx_k__arr[] = "arr";
-static char __pyx_k__cmp[] = "cmp";
-static char __pyx_k__col[] = "col";
-static char __pyx_k__end[] = "end";
-static char __pyx_k__isa[] = "isa";
-static char __pyx_k__ito[] = "ito";
-static char __pyx_k__lhs[] = "lhs";
-static char __pyx_k__low[] = "low";
-static char __pyx_k__map[] = "map";
-static char __pyx_k__pad[] = "pad";
-static char __pyx_k__res[] = "res";
-static char __pyx_k__sym[] = "sym";
-static char __pyx_k__zip[] = "zip";
-static char __pyx_k__NULL[] = "NULL";
-static char __pyx_k__dist[] = "dist";
-static char __pyx_k__gzip[] = "gzip";
-static char __pyx_k__high[] = "high";
-static char __pyx_k__info[] = "info";
-static char __pyx_k__join[] = "join";
-static char __pyx_k__open[] = "open";
-static char __pyx_k__seek[] = "seek";
-static char __pyx_k__size[] = "size";
-static char __pyx_k__skip[] = "skip";
-static char __pyx_k__stop[] = "stop";
-static char __pyx_k__warn[] = "warn";
-static char __pyx_k__word[] = "word";
-static char __pyx_k___SEP_[] = "_SEP_";
-static char __pyx_k__arity[] = "arity";
-static char __pyx_k__debug[] = "debug";
-static char __pyx_k__eword[] = "eword";
-static char __pyx_k__fword[] = "fword";
-static char __pyx_k__ifrom[] = "ifrom";
-static char __pyx_k__index[] = "index";
-static char __pyx_k__merge[] = "merge";
-static char __pyx_k__range[] = "range";
-static char __pyx_k__reset[] = "reset";
-static char __pyx_k__split[] = "split";
-static char __pyx_k__start[] = "start";
-static char __pyx_k__stats[] = "stats";
-static char __pyx_k__toMap[] = "toMap";
-static char __pyx_k__words[] = "words";
-static char __pyx_k__write[] = "write";
-static char __pyx_k__earray[] = "earray";
-static char __pyx_k__extend[] = "extend";
-static char __pyx_k__fwords[] = "fwords";
-static char __pyx_k__get_id[] = "get_id";
-static char __pyx_k__insert[] = "insert";
-static char __pyx_k__logger[] = "logger";
-static char __pyx_k__lookup[] = "lookup";
-static char __pyx_k__models[] = "models";
-static char __pyx_k__offset[] = "offset";
-static char __pyx_k__phrase[] = "phrase";
-static char __pyx_k__q3sort[] = "q3sort";
-static char __pyx_k__sa_low[] = "sa_low";
-static char __pyx_k__sample[] = "sample";
-static char __pyx_k__sarray[] = "sarray";
-static char __pyx_k__scores[] = "scores";
-static char __pyx_k__sorted[] = "sorted";
-static char __pyx_k__string[] = "string";
-static char __pyx_k__unlink[] = "unlink";
-static char __pyx_k__advance[] = "advance";
-static char __pyx_k__arr_low[] = "arr_low";
-static char __pyx_k__collect[] = "collect";
-static char __pyx_k__edarray[] = "edarray";
-static char __pyx_k__fsarray[] = "fsarray";
-static char __pyx_k__getSent[] = "getSent";
-static char __pyx_k__logging[] = "logging";
-static char __pyx_k__pathlen[] = "pathlen";
-static char __pyx_k__sa_high[] = "sa_high";
-static char __pyx_k__sampler[] = "sampler";
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- *             links = aa._get_sent_links(sent_id, &num_links)             # <<<<<<<<<<<<<<
- * 
- *             for l from 0 <= l < num_links:
- */
-    __pyx_v_links = ((struct __pyx_vtabstruct_8_cdec_sa_Alignment *)__pyx_v_aa->__pyx_vtab)->_get_sent_links(__pyx_v_aa, __pyx_v_sent_id, (&__pyx_v_num_links));
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":120
- *             links = aa._get_sent_links(sent_id, &num_links)
- * 
- *             for l from 0 <= l < num_links:             # <<<<<<<<<<<<<<
- *                 i = links[l*2]
- *                 j = links[l*2+1]
- */
-    __pyx_t_7 = __pyx_v_num_links;
-    for (__pyx_v_l = 0; __pyx_v_l < __pyx_t_7; __pyx_v_l++) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":121
- * 
- *             for l from 0 <= l < num_links:
- *                 i = links[l*2]             # <<<<<<<<<<<<<<
- *                 j = links[l*2+1]
- *                 if i >= I or j >= J:
- */
-      __pyx_v_i = (__pyx_v_links[(__pyx_v_l * 2)]);
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":122
- *             for l from 0 <= l < num_links:
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- *                 if i >= I or j >= J:
- *                     raise Exception("%d-%d out of bounds (I=%d,J=%d) in line %d\n" % (i,j,I,J,sent_id+1))
- */
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":123
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- *                 if i >= I or j >= J:             # <<<<<<<<<<<<<<
- *                     raise Exception("%d-%d out of bounds (I=%d,J=%d) in line %d\n" % (i,j,I,J,sent_id+1))
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- */
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-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":124
- *                 j = links[l*2+1]
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-        PyTuple_SET_ITEM(__pyx_t_13, 0, __pyx_t_1);
-        __Pyx_GIVEREF(__pyx_t_1);
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-        __Pyx_GIVEREF(__pyx_t_4);
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-        __Pyx_GIVEREF(__pyx_t_5);
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-        __Pyx_GIVEREF(__pyx_t_11);
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-        __Pyx_GIVEREF(__pyx_t_12);
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-        PyTuple_SET_ITEM(__pyx_t_13, 0, ((PyObject *)__pyx_t_12));
-        __Pyx_GIVEREF(((PyObject *)__pyx_t_12));
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-        __pyx_t_12 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_t_13), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(__pyx_t_12);
-        __Pyx_DECREF(((PyObject *)__pyx_t_13)); __pyx_t_13 = 0;
-        __Pyx_Raise(__pyx_t_12, 0, 0, 0);
-        __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-        {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_L15:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":125
- *                 if i >= I or j >= J:
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- *                 f_i = fsent[i]             # <<<<<<<<<<<<<<
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- */
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":126
- *                     raise Exception("%d-%d out of bounds (I=%d,J=%d) in line %d\n" % (i,j,I,J,sent_id+1))
- *                 f_i = fsent[i]
- *                 e_j = esent[j]             # <<<<<<<<<<<<<<
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- *                 emargin[e_j] = emargin[e_j]+1
- */
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":127
- *                 f_i = fsent[i]
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- *                 fmargin[f_i] = fmargin[f_i]+1             # <<<<<<<<<<<<<<
- *                 emargin[e_j] = emargin[e_j]+1
- *                 if dict[f_i] == NULL:
- */
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":128
- *                 e_j = esent[j]
- *                 fmargin[f_i] = fmargin[f_i]+1
- *                 emargin[e_j] = emargin[e_j]+1             # <<<<<<<<<<<<<<
- *                 if dict[f_i] == NULL:
- *                     dict[f_i] = new_node(e_j)
- */
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":129
- *                 fmargin[f_i] = fmargin[f_i]+1
- *                 emargin[e_j] = emargin[e_j]+1
- *                 if dict[f_i] == NULL:             # <<<<<<<<<<<<<<
- *                     dict[f_i] = new_node(e_j)
- *                     dict[f_i].val = 1
- */
-      __pyx_t_10 = ((__pyx_v_dict[__pyx_v_f_i]) == NULL);
-      if (__pyx_t_10) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":130
- *                 emargin[e_j] = emargin[e_j]+1
- *                 if dict[f_i] == NULL:
- *                     dict[f_i] = new_node(e_j)             # <<<<<<<<<<<<<<
- *                     dict[f_i].val = 1
- *                     num_pairs = num_pairs + 1
- */
-        (__pyx_v_dict[__pyx_v_f_i]) = __pyx_f_8_cdec_sa_new_node(__pyx_v_e_j);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":131
- *                 if dict[f_i] == NULL:
- *                     dict[f_i] = new_node(e_j)
- *                     dict[f_i].val = 1             # <<<<<<<<<<<<<<
- *                     num_pairs = num_pairs + 1
- *                 else:
- */
-        (__pyx_v_dict[__pyx_v_f_i])->val = 1;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":132
- *                     dict[f_i] = new_node(e_j)
- *                     dict[f_i].val = 1
- *                     num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
- *                 else:
- *                     count = get_val(dict[f_i], e_j)
- */
-        __pyx_v_num_pairs = (__pyx_v_num_pairs + 1);
-        goto __pyx_L16;
-      }
-      /*else*/ {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":134
- *                     num_pairs = num_pairs + 1
- *                 else:
- *                     count = get_val(dict[f_i], e_j)             # <<<<<<<<<<<<<<
- *                     if count[0] == 0:
- *                         num_pairs = num_pairs + 1
- */
-        __pyx_v_count = __pyx_f_8_cdec_sa_get_val((__pyx_v_dict[__pyx_v_f_i]), __pyx_v_e_j);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":135
- *                 else:
- *                     count = get_val(dict[f_i], e_j)
- *                     if count[0] == 0:             # <<<<<<<<<<<<<<
- *                         num_pairs = num_pairs + 1
- *                     count[0] = count[0] + 1
- */
-        __pyx_t_10 = ((__pyx_v_count[0]) == 0);
-        if (__pyx_t_10) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":136
- *                     count = get_val(dict[f_i], e_j)
- *                     if count[0] == 0:
- *                         num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
- *                     count[0] = count[0] + 1
- *                 # add count
- */
-          __pyx_v_num_pairs = (__pyx_v_num_pairs + 1);
-          goto __pyx_L17;
-        }
-        __pyx_L17:;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":137
- *                     if count[0] == 0:
- *                         num_pairs = num_pairs + 1
- *                     count[0] = count[0] + 1             # <<<<<<<<<<<<<<
- *                 # add count
- *                 faligned[i] = 1
- */
-        (__pyx_v_count[0]) = ((__pyx_v_count[0]) + 1);
-      }
-      __pyx_L16:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":139
- *                     count[0] = count[0] + 1
- *                 # add count
- *                 faligned[i] = 1             # <<<<<<<<<<<<<<
- *                 ealigned[j] = 1
- *             for i from 0 <= i < I:
- */
-      (__pyx_v_faligned[__pyx_v_i]) = 1;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":140
- *                 # add count
- *                 faligned[i] = 1
- *                 ealigned[j] = 1             # <<<<<<<<<<<<<<
- *             for i from 0 <= i < I:
- *                 if faligned[i] == 0:
- */
-      (__pyx_v_ealigned[__pyx_v_j]) = 1;
-    }
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":141
- *                 faligned[i] = 1
- *                 ealigned[j] = 1
- *             for i from 0 <= i < I:             # <<<<<<<<<<<<<<
- *                 if faligned[i] == 0:
- *                     f_i = fsent[i]
- */
-    __pyx_t_7 = __pyx_v_I;
-    for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_7; __pyx_v_i++) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":142
- *                 ealigned[j] = 1
- *             for i from 0 <= i < I:
- *                 if faligned[i] == 0:             # <<<<<<<<<<<<<<
- *                     f_i = fsent[i]
- *                     fmargin[f_i] = fmargin[f_i] + 1
- */
-      __pyx_t_10 = ((__pyx_v_faligned[__pyx_v_i]) == 0);
-      if (__pyx_t_10) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":143
- *             for i from 0 <= i < I:
- *                 if faligned[i] == 0:
- *                     f_i = fsent[i]             # <<<<<<<<<<<<<<
- *                     fmargin[f_i] = fmargin[f_i] + 1
- *                     emargin[null_word] = emargin[null_word] + 1
- */
-        __pyx_v_f_i = (__pyx_v_fsent[__pyx_v_i]);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":144
- *                 if faligned[i] == 0:
- *                     f_i = fsent[i]
- *                     fmargin[f_i] = fmargin[f_i] + 1             # <<<<<<<<<<<<<<
- *                     emargin[null_word] = emargin[null_word] + 1
- *                     if dict[f_i] == NULL:
- */
-        (__pyx_v_fmargin[__pyx_v_f_i]) = ((__pyx_v_fmargin[__pyx_v_f_i]) + 1);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":145
- *                     f_i = fsent[i]
- *                     fmargin[f_i] = fmargin[f_i] + 1
- *                     emargin[null_word] = emargin[null_word] + 1             # <<<<<<<<<<<<<<
- *                     if dict[f_i] == NULL:
- *                         dict[f_i] = new_node(null_word)
- */
-        (__pyx_v_emargin[__pyx_v_null_word]) = ((__pyx_v_emargin[__pyx_v_null_word]) + 1);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":146
- *                     fmargin[f_i] = fmargin[f_i] + 1
- *                     emargin[null_word] = emargin[null_word] + 1
- *                     if dict[f_i] == NULL:             # <<<<<<<<<<<<<<
- *                         dict[f_i] = new_node(null_word)
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- */
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-        if (__pyx_t_10) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":147
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- *                     if dict[f_i] == NULL:
- *                         dict[f_i] = new_node(null_word)             # <<<<<<<<<<<<<<
- *                         dict[f_i].val = 1
- *                         num_pairs = num_pairs + 1
- */
-          (__pyx_v_dict[__pyx_v_f_i]) = __pyx_f_8_cdec_sa_new_node(__pyx_v_null_word);
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":148
- *                     if dict[f_i] == NULL:
- *                         dict[f_i] = new_node(null_word)
- *                         dict[f_i].val = 1             # <<<<<<<<<<<<<<
- *                         num_pairs = num_pairs + 1
- *                     else:
- */
-          (__pyx_v_dict[__pyx_v_f_i])->val = 1;
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":149
- *                         dict[f_i] = new_node(null_word)
- *                         dict[f_i].val = 1
- *                         num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
- *                     else:
- *                         count = get_val(dict[f_i], null_word)
- */
-          __pyx_v_num_pairs = (__pyx_v_num_pairs + 1);
-          goto __pyx_L21;
-        }
-        /*else*/ {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":151
- *                         num_pairs = num_pairs + 1
- *                     else:
- *                         count = get_val(dict[f_i], null_word)             # <<<<<<<<<<<<<<
- *                         if count[0] == 0:
- *                             num_pairs = num_pairs + 1
- */
-          __pyx_v_count = __pyx_f_8_cdec_sa_get_val((__pyx_v_dict[__pyx_v_f_i]), __pyx_v_null_word);
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":152
- *                     else:
- *                         count = get_val(dict[f_i], null_word)
- *                         if count[0] == 0:             # <<<<<<<<<<<<<<
- *                             num_pairs = num_pairs + 1
- *                         count[0] = count[0] + 1
- */
-          __pyx_t_10 = ((__pyx_v_count[0]) == 0);
-          if (__pyx_t_10) {
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":153
- *                         count = get_val(dict[f_i], null_word)
- *                         if count[0] == 0:
- *                             num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
- *                         count[0] = count[0] + 1
- *             for j from 0 <= j < J:
- */
-            __pyx_v_num_pairs = (__pyx_v_num_pairs + 1);
-            goto __pyx_L22;
-          }
-          __pyx_L22:;
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":154
- *                         if count[0] == 0:
- *                             num_pairs = num_pairs + 1
- *                         count[0] = count[0] + 1             # <<<<<<<<<<<<<<
- *             for j from 0 <= j < J:
- *                 if ealigned[j] == 0:
- */
-          (__pyx_v_count[0]) = ((__pyx_v_count[0]) + 1);
-        }
-        __pyx_L21:;
-        goto __pyx_L20;
-      }
-      __pyx_L20:;
-    }
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":155
- *                             num_pairs = num_pairs + 1
- *                         count[0] = count[0] + 1
- *             for j from 0 <= j < J:             # <<<<<<<<<<<<<<
- *                 if ealigned[j] == 0:
- *                     e_j = esent[j]
- */
-    __pyx_t_7 = __pyx_v_J;
-    for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_7; __pyx_v_j++) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":156
- *                         count[0] = count[0] + 1
- *             for j from 0 <= j < J:
- *                 if ealigned[j] == 0:             # <<<<<<<<<<<<<<
- *                     e_j = esent[j]
- *                     fmargin[null_word] = fmargin[null_word] + 1
- */
-      __pyx_t_10 = ((__pyx_v_ealigned[__pyx_v_j]) == 0);
-      if (__pyx_t_10) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":157
- *             for j from 0 <= j < J:
- *                 if ealigned[j] == 0:
- *                     e_j = esent[j]             # <<<<<<<<<<<<<<
- *                     fmargin[null_word] = fmargin[null_word] + 1
- *                     emargin[e_j] = emargin[e_j] + 1
- */
-        __pyx_v_e_j = (__pyx_v_esent[__pyx_v_j]);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":158
- *                 if ealigned[j] == 0:
- *                     e_j = esent[j]
- *                     fmargin[null_word] = fmargin[null_word] + 1             # <<<<<<<<<<<<<<
- *                     emargin[e_j] = emargin[e_j] + 1
- *                     if dict[null_word] == NULL:
- */
-        (__pyx_v_fmargin[__pyx_v_null_word]) = ((__pyx_v_fmargin[__pyx_v_null_word]) + 1);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":159
- *                     e_j = esent[j]
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- *         veb.top = new_BitSet()             # <<<<<<<<<<<<<<
- * 
- *     veb.max_val = -1
- */
-    __pyx_v_veb->top = __pyx_f_8_cdec_sa_new_BitSet();
-  }
-  __pyx_L4:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":197
- *         veb.top = new_BitSet()
- * 
- *     veb.max_val = -1             # <<<<<<<<<<<<<<
- *     veb.min_val = -1
- *     veb.size = 0
- */
-  __pyx_v_veb->max_val = -1;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":198
- * 
- *     veb.max_val = -1
- *     veb.min_val = -1             # <<<<<<<<<<<<<<
- *     veb.size = 0
- *     return veb
- */
-  __pyx_v_veb->min_val = -1;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":199
- *     veb.max_val = -1
- *     veb.min_val = -1
- *     veb.size = 0             # <<<<<<<<<<<<<<
- *     return veb
- * 
- */
-  __pyx_v_veb->size = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":200
- *     veb.min_val = -1
- *     veb.size = 0
- *     return veb             # <<<<<<<<<<<<<<
- * 
- * 
- */
-  __pyx_r = __pyx_v_veb;
-  goto __pyx_L0;
-
-  __pyx_r = 0;
-  goto __pyx_L0;
-  __pyx_L1_error:;
-  __Pyx_WriteUnraisable("_cdec_sa.new_VEB", __pyx_clineno, __pyx_lineno, __pyx_filename);
-  __pyx_r = 0;
-  __pyx_L0:;
-  __Pyx_RefNannyFinishContext();
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":203
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- * 
- * cdef int VEB_insert(_VEB* veb, int i):             # <<<<<<<<<<<<<<
- *     cdef _VEB* subv
- *     cdef _BitSet* subb
- */
-
-static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_veb, int __pyx_v_i) {
-  struct __pyx_t_8_cdec_sa__VEB *__pyx_v_subv;
-  struct __pyx_t_8_cdec_sa__BitSet *__pyx_v_subb;
-  int __pyx_v_a;
-  int __pyx_v_b;
-  int __pyx_v_tmp;
-  int __pyx_r;
-  __Pyx_RefNannyDeclarations
-  int __pyx_t_1;
-  int __pyx_t_2;
-  int __pyx_t_3;
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-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":208
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- * 
- *     if veb.size == 0:             # <<<<<<<<<<<<<<
- *         veb.min_val = i
- *         veb.max_val = i
- */
-  __pyx_t_1 = (__pyx_v_veb->size == 0);
-  if (__pyx_t_1) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":209
- * 
- *     if veb.size == 0:
- *         veb.min_val = i             # <<<<<<<<<<<<<<
- *         veb.max_val = i
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- */
-    __pyx_v_veb->min_val = __pyx_v_i;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":210
- *     if veb.size == 0:
- *         veb.min_val = i
- *         veb.max_val = i             # <<<<<<<<<<<<<<
- *     elif i == veb.min_val or i == veb.max_val:
- *         return 0
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-    __pyx_v_veb->max_val = __pyx_v_i;
-    goto __pyx_L3;
-  }
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":211
- *         veb.min_val = i
- *         veb.max_val = i
- *     elif i == veb.min_val or i == veb.max_val:             # <<<<<<<<<<<<<<
- *         return 0
- *     else:
- */
-  __pyx_t_1 = (__pyx_v_i == __pyx_v_veb->min_val);
-  if (!__pyx_t_1) {
-    __pyx_t_2 = (__pyx_v_i == __pyx_v_veb->max_val);
-    __pyx_t_3 = __pyx_t_2;
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-    __pyx_t_3 = __pyx_t_1;
-  }
-  if (__pyx_t_3) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":212
- *         veb.max_val = i
- *     elif i == veb.min_val or i == veb.max_val:
- *         return 0             # <<<<<<<<<<<<<<
- *     else:
- *         if i < veb.min_val:
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-    __pyx_r = 0;
-    goto __pyx_L0;
-    goto __pyx_L3;
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-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":214
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- *     else:
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- *             tmp = i
- *             i = veb.min_val
- */
-    __pyx_t_3 = (__pyx_v_i < __pyx_v_veb->min_val);
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":215
- *     else:
- *         if i < veb.min_val:
- *             tmp = i             # <<<<<<<<<<<<<<
- *             i = veb.min_val
- *             veb.min_val = tmp
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-      __pyx_v_tmp = __pyx_v_i;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":216
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- *             tmp = i
- *             i = veb.min_val             # <<<<<<<<<<<<<<
- *             veb.min_val = tmp
- *         a = i >> veb.num_bottom_bits
- */
-      __pyx_v_i = __pyx_v_veb->min_val;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":217
- *             tmp = i
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- *             veb.min_val = tmp             # <<<<<<<<<<<<<<
- *         a = i >> veb.num_bottom_bits
- *         b = i & LOWER_MASK[veb.num_bottom_bits-1]
- */
-      __pyx_v_veb->min_val = __pyx_v_tmp;
-      goto __pyx_L4;
-    }
-    __pyx_L4:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":218
- *             i = veb.min_val
- *             veb.min_val = tmp
- *         a = i >> veb.num_bottom_bits             # <<<<<<<<<<<<<<
- *         b = i & LOWER_MASK[veb.num_bottom_bits-1]
- *         if veb.bottom[a] == NULL:
- */
-    __pyx_v_a = (__pyx_v_i >> __pyx_v_veb->num_bottom_bits);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":219
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- *         b = i & LOWER_MASK[veb.num_bottom_bits-1]             # <<<<<<<<<<<<<<
- *         if veb.bottom[a] == NULL:
- *             if veb.top_universe_size > MIN_BOTTOM_SIZE:
- */
-    __pyx_v_b = (__pyx_v_i & (__pyx_v_8_cdec_sa_LOWER_MASK[(__pyx_v_veb->num_bottom_bits - 1)]));
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":220
- *         a = i >> veb.num_bottom_bits
- *         b = i & LOWER_MASK[veb.num_bottom_bits-1]
- *         if veb.bottom[a] == NULL:             # <<<<<<<<<<<<<<
- *             if veb.top_universe_size > MIN_BOTTOM_SIZE:
- *                 subv = <_VEB*> veb.top
- */
-    __pyx_t_3 = ((__pyx_v_veb->bottom[__pyx_v_a]) == NULL);
-    if (__pyx_t_3) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":221
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- *         if veb.bottom[a] == NULL:
- *             if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
- *                 subv = <_VEB*> veb.top
- *                 VEB_insert(subv, a)
- */
-      __pyx_t_3 = (__pyx_v_veb->top_universe_size > __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE);
-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":222
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- *             if veb.top_universe_size > MIN_BOTTOM_SIZE:
- *                 subv = <_VEB*> veb.top             # <<<<<<<<<<<<<<
- *                 VEB_insert(subv, a)
- *             else:
- */
-        __pyx_v_subv = ((struct __pyx_t_8_cdec_sa__VEB *)__pyx_v_veb->top);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":223
- *             if veb.top_universe_size > MIN_BOTTOM_SIZE:
- *                 subv = <_VEB*> veb.top
- *                 VEB_insert(subv, a)             # <<<<<<<<<<<<<<
- *             else:
- *                 subb = <_BitSet*> veb.top
- */
-        __pyx_f_8_cdec_sa_VEB_insert(__pyx_v_subv, __pyx_v_a);
-        goto __pyx_L6;
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-      /*else*/ {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":225
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- *             else:
- *                 subb = <_BitSet*> veb.top             # <<<<<<<<<<<<<<
- *                 bitset_insert(subb, a)
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- */
-        __pyx_v_subb = ((struct __pyx_t_8_cdec_sa__BitSet *)__pyx_v_veb->top);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":226
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- *                 subb = <_BitSet*> veb.top
- *                 bitset_insert(subb, a)             # <<<<<<<<<<<<<<
- *             if veb.num_bottom_bits > MIN_BOTTOM_BITS:
- *                 veb.bottom[a] = new_VEB(1 << veb.num_bottom_bits)
- */
-        __pyx_f_8_cdec_sa_bitset_insert(__pyx_v_subb, __pyx_v_a);
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-      __pyx_L6:;
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":227
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- *             if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
- *                 veb.bottom[a] = new_VEB(1 << veb.num_bottom_bits)
- *             else:
- */
-      __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS);
-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":228
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- *                 veb.bottom[a] = new_VEB(1 << veb.num_bottom_bits)             # <<<<<<<<<<<<<<
- *             else:
- *                 veb.bottom[a] = new_BitSet()
- */
-        (__pyx_v_veb->bottom[__pyx_v_a]) = __pyx_f_8_cdec_sa_new_VEB((1 << __pyx_v_veb->num_bottom_bits));
-        goto __pyx_L7;
-      }
-      /*else*/ {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":230
- *                 veb.bottom[a] = new_VEB(1 << veb.num_bottom_bits)
- *             else:
- *                 veb.bottom[a] = new_BitSet()             # <<<<<<<<<<<<<<
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- *             subv = <_VEB*> veb.bottom[a]
- */
-        (__pyx_v_veb->bottom[__pyx_v_a]) = __pyx_f_8_cdec_sa_new_BitSet();
-      }
-      __pyx_L7:;
-      goto __pyx_L5;
-    }
-    __pyx_L5:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":231
- *             else:
- *                 veb.bottom[a] = new_BitSet()
- *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
- *             subv = <_VEB*> veb.bottom[a]
- *             if VEB_insert(subv, b) == 0:
- */
-    __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS);
-    if (__pyx_t_3) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":232
- *                 veb.bottom[a] = new_BitSet()
- *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
- *             subv = <_VEB*> veb.bottom[a]             # <<<<<<<<<<<<<<
- *             if VEB_insert(subv, b) == 0:
- *                 return 0
- */
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":233
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- *                 return 0
- *         else:
- */
-      __pyx_t_3 = (__pyx_f_8_cdec_sa_VEB_insert(__pyx_v_subv, __pyx_v_b) == 0);
-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":234
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- *                 return 0             # <<<<<<<<<<<<<<
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- *             subb = <_BitSet*> veb.bottom[a]
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- *         else:
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":237
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- *             subb = <_BitSet*> veb.bottom[a]
- *             if bitset_insert(subb, b) == 0:             # <<<<<<<<<<<<<<
- *                 return 0
- * 
- */
-      __pyx_t_3 = (__pyx_f_8_cdec_sa_bitset_insert(__pyx_v_subb, __pyx_v_b) == 0);
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-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":238
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- *                 return 0             # <<<<<<<<<<<<<<
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-      __pyx_L10:;
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-    __pyx_L8:;
-
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- *         if i > veb.max_val:             # <<<<<<<<<<<<<<
- *             veb.max_val = i
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- *         if i > veb.max_val:
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- */
-      __pyx_v_veb->max_val = __pyx_v_i;
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-    __pyx_L11:;
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-  __pyx_L3:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":242
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- */
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-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":243
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-  __pyx_r = 0;
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- * cdef del_VEB(_VEB* veb):             # <<<<<<<<<<<<<<
- *     cdef int i
- * 
- */
-
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-  int __pyx_lineno = 0;
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- *     else:
- */
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-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":250
- * 
- *     if veb.top_universe_size > MIN_BOTTOM_SIZE:
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- */
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-    goto __pyx_L3;
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-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":252
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- *     else:
- *         i = (<_BitSet*> veb.top).min_val             # <<<<<<<<<<<<<<
- * 
- *     while i != -1:
- */
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-  __pyx_L3:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":254
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- *     while i != -1:             # <<<<<<<<<<<<<<
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- */
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-    if (!__pyx_t_1) break;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":255
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- */
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":256
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- *             del_VEB(<_VEB*> veb.bottom[i])             # <<<<<<<<<<<<<<
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-      __pyx_t_2 = __pyx_f_8_cdec_sa_del_VEB(((struct __pyx_t_8_cdec_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_i]))); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_2);
-      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":258
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- *         else:
- *             free(<_BitSet*> veb.bottom[i])             # <<<<<<<<<<<<<<
- * 
- *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
- */
-      free(((struct __pyx_t_8_cdec_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_i])));
-    }
-    __pyx_L6:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":260
- *             free(<_BitSet*> veb.bottom[i])
- * 
- *         if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
- *             i = VEB_findsucc(<_VEB*> veb.top, i)
- *         else:
- */
-    __pyx_t_1 = (__pyx_v_veb->top_universe_size > __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE);
-    if (__pyx_t_1) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":261
- * 
- *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
- *             i = VEB_findsucc(<_VEB*> veb.top, i)             # <<<<<<<<<<<<<<
- *         else:
- *             i = bitset_findsucc(<_BitSet*> veb.top, i)
- */
-      __pyx_v_i = __pyx_f_8_cdec_sa_VEB_findsucc(((struct __pyx_t_8_cdec_sa__VEB *)__pyx_v_veb->top), __pyx_v_i);
-      goto __pyx_L7;
-    }
-    /*else*/ {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":263
- *             i = VEB_findsucc(<_VEB*> veb.top, i)
- *         else:
- *             i = bitset_findsucc(<_BitSet*> veb.top, i)             # <<<<<<<<<<<<<<
- * 
- *     if veb.top_universe_size > MIN_BOTTOM_SIZE:
- */
-      __pyx_v_i = __pyx_f_8_cdec_sa_bitset_findsucc(((struct __pyx_t_8_cdec_sa__BitSet *)__pyx_v_veb->top), __pyx_v_i);
-    }
-    __pyx_L7:;
-  }
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":265
- *             i = bitset_findsucc(<_BitSet*> veb.top, i)
- * 
- *     if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
- *         del_VEB(<_VEB*> veb.top)
- *     else:
- */
-  __pyx_t_1 = (__pyx_v_veb->top_universe_size > __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE);
-  if (__pyx_t_1) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":266
- * 
- *     if veb.top_universe_size > MIN_BOTTOM_SIZE:
- *         del_VEB(<_VEB*> veb.top)             # <<<<<<<<<<<<<<
- *     else:
- *         free(<_BitSet*> veb.top)
- */
-    __pyx_t_2 = __pyx_f_8_cdec_sa_del_VEB(((struct __pyx_t_8_cdec_sa__VEB *)__pyx_v_veb->top)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 266; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_2);
-    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    goto __pyx_L8;
-  }
-  /*else*/ {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":268
- *         del_VEB(<_VEB*> veb.top)
- *     else:
- *         free(<_BitSet*> veb.top)             # <<<<<<<<<<<<<<
- *     free(veb.bottom)
- *     free(veb)
- */
-    free(((struct __pyx_t_8_cdec_sa__BitSet *)__pyx_v_veb->top));
-  }
-  __pyx_L8:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":269
- *     else:
- *         free(<_BitSet*> veb.top)
- *     free(veb.bottom)             # <<<<<<<<<<<<<<
- *     free(veb)
- * 
- */
-  free(__pyx_v_veb->bottom);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":270
- *         free(<_BitSet*> veb.top)
- *     free(veb.bottom)
- *     free(veb)             # <<<<<<<<<<<<<<
- * 
- * 
- */
-  free(__pyx_v_veb);
-
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
-  goto __pyx_L0;
-  __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_2);
-  __Pyx_AddTraceback("_cdec_sa.del_VEB", __pyx_clineno, __pyx_lineno, __pyx_filename);
-  __pyx_r = 0;
-  __pyx_L0:;
-  __Pyx_XGIVEREF(__pyx_r);
-  __Pyx_RefNannyFinishContext();
-  return __pyx_r;
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-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":273
- * 
- * 
- * cdef int VEB_findsucc(_VEB* veb, int i):             # <<<<<<<<<<<<<<
- *     cdef _VEB* subv
- *     cdef _BitSet* subb
- */
-
-static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_veb, int __pyx_v_i) {
-  struct __pyx_t_8_cdec_sa__VEB *__pyx_v_subv;
-  struct __pyx_t_8_cdec_sa__BitSet *__pyx_v_subb;
-  int __pyx_v_a;
-  int __pyx_v_b;
-  int __pyx_v_j;
-  int __pyx_v_c;
-  int __pyx_v_found;
-  int __pyx_r;
-  __Pyx_RefNannyDeclarations
-  int __pyx_t_1;
-  int __pyx_t_2;
-  int __pyx_t_3;
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-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":278
- *     cdef int a, b, j, c, found
- * 
- *     if veb.max_val == -1 or i>=veb.max_val:             # <<<<<<<<<<<<<<
- *         return -1
- *     if i < veb.min_val:
- */
-  __pyx_t_1 = (__pyx_v_veb->max_val == -1);
-  if (!__pyx_t_1) {
-    __pyx_t_2 = (__pyx_v_i >= __pyx_v_veb->max_val);
-    __pyx_t_3 = __pyx_t_2;
-  } else {
-    __pyx_t_3 = __pyx_t_1;
-  }
-  if (__pyx_t_3) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":279
- * 
- *     if veb.max_val == -1 or i>=veb.max_val:
- *         return -1             # <<<<<<<<<<<<<<
- *     if i < veb.min_val:
- *         return veb.min_val
- */
-    __pyx_r = -1;
-    goto __pyx_L0;
-    goto __pyx_L3;
-  }
-  __pyx_L3:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":280
- *     if veb.max_val == -1 or i>=veb.max_val:
- *         return -1
- *     if i < veb.min_val:             # <<<<<<<<<<<<<<
- *         return veb.min_val
- * 
- */
-  __pyx_t_3 = (__pyx_v_i < __pyx_v_veb->min_val);
-  if (__pyx_t_3) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":281
- *         return -1
- *     if i < veb.min_val:
- *         return veb.min_val             # <<<<<<<<<<<<<<
- * 
- *     a = i >> veb.num_bottom_bits
- */
-    __pyx_r = __pyx_v_veb->min_val;
-    goto __pyx_L0;
-    goto __pyx_L4;
-  }
-  __pyx_L4:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":283
- *         return veb.min_val
- * 
- *     a = i >> veb.num_bottom_bits             # <<<<<<<<<<<<<<
- *     b = i & LOWER_MASK[veb.num_bottom_bits-1]
- *     found = 0
- */
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-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":284
- * 
- *     a = i >> veb.num_bottom_bits
- *     b = i & LOWER_MASK[veb.num_bottom_bits-1]             # <<<<<<<<<<<<<<
- *     found = 0
- *     if veb.bottom[a] != NULL:
- */
-  __pyx_v_b = (__pyx_v_i & (__pyx_v_8_cdec_sa_LOWER_MASK[(__pyx_v_veb->num_bottom_bits - 1)]));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":285
- *     a = i >> veb.num_bottom_bits
- *     b = i & LOWER_MASK[veb.num_bottom_bits-1]
- *     found = 0             # <<<<<<<<<<<<<<
- *     if veb.bottom[a] != NULL:
- *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
- */
-  __pyx_v_found = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":286
- *     b = i & LOWER_MASK[veb.num_bottom_bits-1]
- *     found = 0
- *     if veb.bottom[a] != NULL:             # <<<<<<<<<<<<<<
- *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
- *             subv = <_VEB*> veb.bottom[a]
- */
-  __pyx_t_3 = ((__pyx_v_veb->bottom[__pyx_v_a]) != NULL);
-  if (__pyx_t_3) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":287
- *     found = 0
- *     if veb.bottom[a] != NULL:
- *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
- *             subv = <_VEB*> veb.bottom[a]
- *             if subv.max_val > b:
- */
-    __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS);
-    if (__pyx_t_3) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":288
- *     if veb.bottom[a] != NULL:
- *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
- *             subv = <_VEB*> veb.bottom[a]             # <<<<<<<<<<<<<<
- *             if subv.max_val > b:
- *                 j = (a << veb.num_bottom_bits) + VEB_findsucc(subv, b)
- */
-      __pyx_v_subv = ((struct __pyx_t_8_cdec_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_a]));
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":289
- *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
- *             subv = <_VEB*> veb.bottom[a]
- *             if subv.max_val > b:             # <<<<<<<<<<<<<<
- *                 j = (a << veb.num_bottom_bits) + VEB_findsucc(subv, b)
- *                 found = 1
- */
-      __pyx_t_3 = (__pyx_v_subv->max_val > __pyx_v_b);
-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":290
- *             subv = <_VEB*> veb.bottom[a]
- *             if subv.max_val > b:
- *                 j = (a << veb.num_bottom_bits) + VEB_findsucc(subv, b)             # <<<<<<<<<<<<<<
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- *         else:
- */
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-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":291
- *             if subv.max_val > b:
- *                 j = (a << veb.num_bottom_bits) + VEB_findsucc(subv, b)
- *                 found = 1             # <<<<<<<<<<<<<<
- *         else:
- *             subb = <_BitSet*> veb.bottom[a]
- */
-        __pyx_v_found = 1;
-        goto __pyx_L7;
-      }
-      __pyx_L7:;
-      goto __pyx_L6;
-    }
-    /*else*/ {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":293
- *                 found = 1
- *         else:
- *             subb = <_BitSet*> veb.bottom[a]             # <<<<<<<<<<<<<<
- *             if subb.max_val > b:
- *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)
- */
-      __pyx_v_subb = ((struct __pyx_t_8_cdec_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_a]));
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":294
- *         else:
- *             subb = <_BitSet*> veb.bottom[a]
- *             if subb.max_val > b:             # <<<<<<<<<<<<<<
- *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)
- *                 found = 1
- */
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-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":295
- *             subb = <_BitSet*> veb.bottom[a]
- *             if subb.max_val > b:
- *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)             # <<<<<<<<<<<<<<
- *                 found = 1
- *     if found==0:
- */
-        __pyx_v_j = ((__pyx_v_a << __pyx_v_veb->num_bottom_bits) + __pyx_f_8_cdec_sa_bitset_findsucc(__pyx_v_subb, __pyx_v_b));
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":296
- *             if subb.max_val > b:
- *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)
- *                 found = 1             # <<<<<<<<<<<<<<
- *     if found==0:
- *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
- */
-        __pyx_v_found = 1;
-        goto __pyx_L8;
-      }
-      __pyx_L8:;
-    }
-    __pyx_L6:;
-    goto __pyx_L5;
-  }
-  __pyx_L5:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":297
- *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)
- *                 found = 1
- *     if found==0:             # <<<<<<<<<<<<<<
- *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
- *             subv = <_VEB*> veb.top
- */
-  __pyx_t_3 = (__pyx_v_found == 0);
-  if (__pyx_t_3) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":298
- *                 found = 1
- *     if found==0:
- *         if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
- *             subv = <_VEB*> veb.top
- *             c = VEB_findsucc(subv, a)
- */
-    __pyx_t_3 = (__pyx_v_veb->top_universe_size > __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE);
-    if (__pyx_t_3) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":299
- *     if found==0:
- *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
- *             subv = <_VEB*> veb.top             # <<<<<<<<<<<<<<
- *             c = VEB_findsucc(subv, a)
- *         else:
- */
-      __pyx_v_subv = ((struct __pyx_t_8_cdec_sa__VEB *)__pyx_v_veb->top);
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":300
- *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
- *             subv = <_VEB*> veb.top
- *             c = VEB_findsucc(subv, a)             # <<<<<<<<<<<<<<
- *         else:
- *             subb = <_BitSet*> veb.top
- */
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-      goto __pyx_L10;
-    }
-    /*else*/ {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":302
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- *         else:
- *             subb = <_BitSet*> veb.top             # <<<<<<<<<<<<<<
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- */
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":303
- *         else:
- *             subb = <_BitSet*> veb.top
- *             c = bitset_findsucc(subb, a)             # <<<<<<<<<<<<<<
- *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
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-    }
-    __pyx_L10:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":304
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-    if (__pyx_t_3) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":305
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- *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
- *             subv = <_VEB*> veb.bottom[c]             # <<<<<<<<<<<<<<
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- *         else:
- */
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":306
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- *             subv = <_VEB*> veb.bottom[c]
- *             j = (c << veb.num_bottom_bits) + subv.min_val             # <<<<<<<<<<<<<<
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- *             subb = <_BitSet*> veb.bottom[c]
- */
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-      goto __pyx_L11;
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-
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- *         else:
- *             subb = <_BitSet*> veb.bottom[c]             # <<<<<<<<<<<<<<
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-
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- *         else:
- *             subb = <_BitSet*> veb.bottom[c]
- *             j = (c << veb.num_bottom_bits) + subb.min_val             # <<<<<<<<<<<<<<
- *     return j
- * 
- */
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-    __pyx_L11:;
-    goto __pyx_L9;
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-  __pyx_L9:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":310
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- *             j = (c << veb.num_bottom_bits) + subb.min_val
- *     return j             # <<<<<<<<<<<<<<
- * 
- * 
- */
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-  __pyx_r = 0;
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":313
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- * 
- * cdef int VEB_contains(_VEB* veb, int i):             # <<<<<<<<<<<<<<
- *     cdef _VEB* subv
- *     cdef _BitSet* subb
- */
-
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-  struct __pyx_t_8_cdec_sa__BitSet *__pyx_v_subb;
-  int __pyx_v_a;
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-  int __pyx_t_2;
-  int __pyx_t_3;
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- * 
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-          goto __pyx_L19_break;
-          goto __pyx_L20;
-        }
-        __pyx_L20:;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":342
- *                     if i2 == -1 or i2 - i1 >= self.train_max_initial_size:
- *                         break
- *                     l2 = queue.arr[ptr2+1]             # <<<<<<<<<<<<<<
- *                     if (i2 - i1 - l1 >= self.train_min_gap_size and
- *                             i2 + l2 - i1 <= self.train_max_initial_size and
- */
-        __pyx_v_l2 = (__pyx_v_queue->arr[(__pyx_v_ptr2 + 1)]);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":343
- *                         break
- *                     l2 = queue.arr[ptr2+1]
- *                     if (i2 - i1 - l1 >= self.train_min_gap_size and             # <<<<<<<<<<<<<<
- *                             i2 + l2 - i1 <= self.train_max_initial_size and
- *                             l1+l2+1 <= self.max_length):
- */
-        __pyx_t_18 = (((__pyx_v_i2 - __pyx_v_i1) - __pyx_v_l1) >= __pyx_v_self->train_min_gap_size);
-        if (__pyx_t_18) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":344
- *                     l2 = queue.arr[ptr2+1]
- *                     if (i2 - i1 - l1 >= self.train_min_gap_size and
- *                             i2 + l2 - i1 <= self.train_max_initial_size and             # <<<<<<<<<<<<<<
- *                             l1+l2+1 <= self.max_length):
- *                         node = collocations._insert(data.arr+i1, l1)
- */
-          __pyx_t_11 = (((__pyx_v_i2 + __pyx_v_l2) - __pyx_v_i1) <= __pyx_v_self->train_max_initial_size);
-          if (__pyx_t_11) {
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":345
- *                     if (i2 - i1 - l1 >= self.train_min_gap_size and
- *                             i2 + l2 - i1 <= self.train_max_initial_size and
- *                             l1+l2+1 <= self.max_length):             # <<<<<<<<<<<<<<
- *                         node = collocations._insert(data.arr+i1, l1)
- *                         node = trie_insert(node, -1)
- */
-            __pyx_t_17 = (((__pyx_v_l1 + __pyx_v_l2) + 1) <= __pyx_v_self->max_length);
-            __pyx_t_19 = __pyx_t_17;
-          } else {
-            __pyx_t_19 = __pyx_t_11;
-          }
-          __pyx_t_11 = __pyx_t_19;
-        } else {
-          __pyx_t_11 = __pyx_t_18;
-        }
-        if (__pyx_t_11) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":346
- *                             i2 + l2 - i1 <= self.train_max_initial_size and
- *                             l1+l2+1 <= self.max_length):
- *                         node = collocations._insert(data.arr+i1, l1)             # <<<<<<<<<<<<<<
- *                         node = trie_insert(node, -1)
- *                         for i from i2 <= i < i2+l2:
- */
-          __pyx_v_node = ((struct __pyx_vtabstruct_8_cdec_sa_TrieMap *)__pyx_v_collocations->__pyx_vtab)->_insert(__pyx_v_collocations, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1);
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":347
- *                             l1+l2+1 <= self.max_length):
- *                         node = collocations._insert(data.arr+i1, l1)
- *                         node = trie_insert(node, -1)             # <<<<<<<<<<<<<<
- *                         for i from i2 <= i < i2+l2:
- *                             node = trie_insert(node, data.arr[i])
- */
-          __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, -1);
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":348
- *                         node = collocations._insert(data.arr+i1, l1)
- *                         node = trie_insert(node, -1)
- *                         for i from i2 <= i < i2+l2:             # <<<<<<<<<<<<<<
- *                             node = trie_insert(node, data.arr[i])
- *                         trie_node_data_append(node, i1)
- */
-          __pyx_t_13 = (__pyx_v_i2 + __pyx_v_l2);
-          for (__pyx_v_i = __pyx_v_i2; __pyx_v_i < __pyx_t_13; __pyx_v_i++) {
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":349
- *                         node = trie_insert(node, -1)
- *                         for i from i2 <= i < i2+l2:
- *                             node = trie_insert(node, data.arr[i])             # <<<<<<<<<<<<<<
- *                         trie_node_data_append(node, i1)
- *                         trie_node_data_append(node, i2)
- */
-            __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
-          }
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":350
- *                         for i from i2 <= i < i2+l2:
- *                             node = trie_insert(node, data.arr[i])
- *                         trie_node_data_append(node, i1)             # <<<<<<<<<<<<<<
- *                         trie_node_data_append(node, i2)
- *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:
- */
-          __pyx_t_3 = __pyx_f_8_cdec_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 350; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_3);
-          __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":351
- *                             node = trie_insert(node, data.arr[i])
- *                         trie_node_data_append(node, i1)
- *                         trie_node_data_append(node, i2)             # <<<<<<<<<<<<<<
- *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:
- *                             if super_frequent_patterns._contains(data.arr+i1, l1) != NULL:
- */
-          __pyx_t_3 = __pyx_f_8_cdec_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 351; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_3);
-          __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":352
- *                         trie_node_data_append(node, i1)
- *                         trie_node_data_append(node, i2)
- *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:             # <<<<<<<<<<<<<<
- *                             if super_frequent_patterns._contains(data.arr+i1, l1) != NULL:
- *                                 is_super = 1
- */
-          __pyx_t_11 = (((struct __pyx_vtabstruct_8_cdec_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i2), __pyx_v_l2) != NULL);
-          if (__pyx_t_11) {
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":353
- *                         trie_node_data_append(node, i2)
- *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:
- *                             if super_frequent_patterns._contains(data.arr+i1, l1) != NULL:             # <<<<<<<<<<<<<<
- *                                 is_super = 1
- *                             else:
- */
-            __pyx_t_11 = (((struct __pyx_vtabstruct_8_cdec_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1) != NULL);
-            if (__pyx_t_11) {
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":354
- *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:
- *                             if super_frequent_patterns._contains(data.arr+i1, l1) != NULL:
- *                                 is_super = 1             # <<<<<<<<<<<<<<
- *                             else:
- *                                 is_super = 0
- */
-              __pyx_v_is_super = 1;
-              goto __pyx_L25;
-            }
-            /*else*/ {
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":356
- *                                 is_super = 1
- *                             else:
- *                                 is_super = 0             # <<<<<<<<<<<<<<
- *                             ptr3 = ptr2 + 2
- *                             while ptr3 < N:
- */
-              __pyx_v_is_super = 0;
-            }
-            __pyx_L25:;
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":357
- *                             else:
- *                                 is_super = 0
- *                             ptr3 = ptr2 + 2             # <<<<<<<<<<<<<<
- *                             while ptr3 < N:
- *                                 i3 = queue.arr[ptr3]
- */
-            __pyx_v_ptr3 = (__pyx_v_ptr2 + 2);
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":358
- *                                 is_super = 0
- *                             ptr3 = ptr2 + 2
- *                             while ptr3 < N:             # <<<<<<<<<<<<<<
- *                                 i3 = queue.arr[ptr3]
- *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:
- */
-            while (1) {
-              __pyx_t_11 = (__pyx_v_ptr3 < __pyx_v_N);
-              if (!__pyx_t_11) break;
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":359
- *                             ptr3 = ptr2 + 2
- *                             while ptr3 < N:
- *                                 i3 = queue.arr[ptr3]             # <<<<<<<<<<<<<<
- *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:
- *                                     break
- */
-              __pyx_v_i3 = (__pyx_v_queue->arr[__pyx_v_ptr3]);
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":360
- *                             while ptr3 < N:
- *                                 i3 = queue.arr[ptr3]
- *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:             # <<<<<<<<<<<<<<
- *                                     break
- *                                 l3 = queue.arr[ptr3+1]
- */
-              __pyx_t_11 = (__pyx_v_i3 == -1);
-              if (!__pyx_t_11) {
-                __pyx_t_18 = ((__pyx_v_i3 - __pyx_v_i1) >= __pyx_v_self->train_max_initial_size);
-                __pyx_t_19 = __pyx_t_18;
-              } else {
-                __pyx_t_19 = __pyx_t_11;
-              }
-              if (__pyx_t_19) {
-
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":361
- *                                 i3 = queue.arr[ptr3]
- *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:
- *                                     break             # <<<<<<<<<<<<<<
- *                                 l3 = queue.arr[ptr3+1]
- *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and
- */
-                goto __pyx_L27_break;
-                goto __pyx_L28;
-              }
-              __pyx_L28:;
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":362
- *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:
- *                                     break
- *                                 l3 = queue.arr[ptr3+1]             # <<<<<<<<<<<<<<
- *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and
- *                                         i3 + l3 - i1 <= self.train_max_initial_size and
- */
-              __pyx_v_l3 = (__pyx_v_queue->arr[(__pyx_v_ptr3 + 1)]);
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":363
- *                                     break
- *                                 l3 = queue.arr[ptr3+1]
- *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and             # <<<<<<<<<<<<<<
- *                                         i3 + l3 - i1 <= self.train_max_initial_size and
- *                                         l1+l2+l3+2 <= self.max_length):
- */
-              __pyx_t_19 = (((__pyx_v_i3 - __pyx_v_i2) - __pyx_v_l2) >= __pyx_v_self->train_min_gap_size);
-              if (__pyx_t_19) {
-
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":364
- *                                 l3 = queue.arr[ptr3+1]
- *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and
- *                                         i3 + l3 - i1 <= self.train_max_initial_size and             # <<<<<<<<<<<<<<
- *                                         l1+l2+l3+2 <= self.max_length):
- *                                     if is_super or super_frequent_patterns._contains(data.arr+i3, l3) != NULL:
- */
-                __pyx_t_11 = (((__pyx_v_i3 + __pyx_v_l3) - __pyx_v_i1) <= __pyx_v_self->train_max_initial_size);
-                if (__pyx_t_11) {
-
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":365
- *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and
- *                                         i3 + l3 - i1 <= self.train_max_initial_size and
- *                                         l1+l2+l3+2 <= self.max_length):             # <<<<<<<<<<<<<<
- *                                     if is_super or super_frequent_patterns._contains(data.arr+i3, l3) != NULL:
- *                                         node = collocations._insert(data.arr+i1, l1)
- */
-                  __pyx_t_18 = ((((__pyx_v_l1 + __pyx_v_l2) + __pyx_v_l3) + 2) <= __pyx_v_self->max_length);
-                  __pyx_t_17 = __pyx_t_18;
-                } else {
-                  __pyx_t_17 = __pyx_t_11;
-                }
-                __pyx_t_11 = __pyx_t_17;
-              } else {
-                __pyx_t_11 = __pyx_t_19;
-              }
-              if (__pyx_t_11) {
-
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":366
- *                                         i3 + l3 - i1 <= self.train_max_initial_size and
- *                                         l1+l2+l3+2 <= self.max_length):
- *                                     if is_super or super_frequent_patterns._contains(data.arr+i3, l3) != NULL:             # <<<<<<<<<<<<<<
- *                                         node = collocations._insert(data.arr+i1, l1)
- *                                         node = trie_insert(node, -1)
- */
-                if (!__pyx_v_is_super) {
-                  __pyx_t_11 = (((struct __pyx_vtabstruct_8_cdec_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i3), __pyx_v_l3) != NULL);
-                  __pyx_t_19 = __pyx_t_11;
-                } else {
-                  __pyx_t_19 = __pyx_v_is_super;
-                }
-                if (__pyx_t_19) {
-
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":367
- *                                         l1+l2+l3+2 <= self.max_length):
- *                                     if is_super or super_frequent_patterns._contains(data.arr+i3, l3) != NULL:
- *                                         node = collocations._insert(data.arr+i1, l1)             # <<<<<<<<<<<<<<
- *                                         node = trie_insert(node, -1)
- *                                         for i from i2 <= i < i2+l2:
- */
-                  __pyx_v_node = ((struct __pyx_vtabstruct_8_cdec_sa_TrieMap *)__pyx_v_collocations->__pyx_vtab)->_insert(__pyx_v_collocations, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1);
-
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":368
- *                                     if is_super or super_frequent_patterns._contains(data.arr+i3, l3) != NULL:
- *                                         node = collocations._insert(data.arr+i1, l1)
- *                                         node = trie_insert(node, -1)             # <<<<<<<<<<<<<<
- *                                         for i from i2 <= i < i2+l2:
- *                                             node = trie_insert(node, data.arr[i])
- */
-                  __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, -1);
-
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":369
- *                                         node = collocations._insert(data.arr+i1, l1)
- *                                         node = trie_insert(node, -1)
- *                                         for i from i2 <= i < i2+l2:             # <<<<<<<<<<<<<<
- *                                             node = trie_insert(node, data.arr[i])
- *                                         node = trie_insert(node, -1)
- */
-                  __pyx_t_13 = (__pyx_v_i2 + __pyx_v_l2);
-                  for (__pyx_v_i = __pyx_v_i2; __pyx_v_i < __pyx_t_13; __pyx_v_i++) {
-
-                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":370
- *                                         node = trie_insert(node, -1)
- *                                         for i from i2 <= i < i2+l2:
- *                                             node = trie_insert(node, data.arr[i])             # <<<<<<<<<<<<<<
- *                                         node = trie_insert(node, -1)
- *                                         for i from i3 <= i < i3+l3:
- */
-                    __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
-                  }
-
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":371
- *                                         for i from i2 <= i < i2+l2:
- *                                             node = trie_insert(node, data.arr[i])
- *                                         node = trie_insert(node, -1)             # <<<<<<<<<<<<<<
- *                                         for i from i3 <= i < i3+l3:
- *                                             node = trie_insert(node, data.arr[i])
- */
-                  __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, -1);
-
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":372
- *                                             node = trie_insert(node, data.arr[i])
- *                                         node = trie_insert(node, -1)
- *                                         for i from i3 <= i < i3+l3:             # <<<<<<<<<<<<<<
- *                                             node = trie_insert(node, data.arr[i])
- *                                         trie_node_data_append(node, i1)
- */
-                  __pyx_t_13 = (__pyx_v_i3 + __pyx_v_l3);
-                  for (__pyx_v_i = __pyx_v_i3; __pyx_v_i < __pyx_t_13; __pyx_v_i++) {
-
-                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":373
- *                                         node = trie_insert(node, -1)
- *                                         for i from i3 <= i < i3+l3:
- *                                             node = trie_insert(node, data.arr[i])             # <<<<<<<<<<<<<<
- *                                         trie_node_data_append(node, i1)
- *                                         trie_node_data_append(node, i2)
- */
-                    __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
-                  }
-
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":374
- *                                         for i from i3 <= i < i3+l3:
- *                                             node = trie_insert(node, data.arr[i])
- *                                         trie_node_data_append(node, i1)             # <<<<<<<<<<<<<<
- *                                         trie_node_data_append(node, i2)
- *                                         trie_node_data_append(node, i3)
- */
-                  __pyx_t_3 = __pyx_f_8_cdec_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 374; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                  __Pyx_GOTREF(__pyx_t_3);
-                  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":375
- *                                             node = trie_insert(node, data.arr[i])
- *                                         trie_node_data_append(node, i1)
- *                                         trie_node_data_append(node, i2)             # <<<<<<<<<<<<<<
- *                                         trie_node_data_append(node, i3)
- *                                 ptr3 = ptr3 + 2
- */
-                  __pyx_t_3 = __pyx_f_8_cdec_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 375; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                  __Pyx_GOTREF(__pyx_t_3);
-                  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":376
- *                                         trie_node_data_append(node, i1)
- *                                         trie_node_data_append(node, i2)
- *                                         trie_node_data_append(node, i3)             # <<<<<<<<<<<<<<
- *                                 ptr3 = ptr3 + 2
- *                     ptr2 = ptr2 + 2
- */
-                  __pyx_t_3 = __pyx_f_8_cdec_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 376; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                  __Pyx_GOTREF(__pyx_t_3);
-                  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-                  goto __pyx_L30;
-                }
-                __pyx_L30:;
-                goto __pyx_L29;
-              }
-              __pyx_L29:;
-
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- *             return result
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- *         # Case 2: sets are non-overlapping
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- *         assign_matching(&loc2, arr2, low2, step2, self.fda.sent_id.arr)
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-
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- *         # Case 2: sets are non-overlapping
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- *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == -1:
- *             return result
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-  __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_low2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":482
- *         assign_matching(&loc1, arr1, high1-step1, step1, self.fda.sent_id.arr)
- *         assign_matching(&loc2, arr2, low2, step2, self.fda.sent_id.arr)
- *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == -1:             # <<<<<<<<<<<<<<
- *             return result
- * 
- */
-  __pyx_t_3 = (((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == -1);
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-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":483
- *         assign_matching(&loc2, arr2, low2, step2, self.fda.sent_id.arr)
- *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == -1:
- *             return result             # <<<<<<<<<<<<<<
- * 
- *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)
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-    __pyx_r = __pyx_v_result;
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- *             return result
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- *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
- *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)
- *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
- */
-  __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_low1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":486
- * 
- *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)
- *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
- *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
- *             return result
- */
-  __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, (__pyx_v_high2 - __pyx_v_step2), __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":487
- *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)
- *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)
- *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:             # <<<<<<<<<<<<<<
- *             return result
- * 
- */
-  __pyx_t_3 = (((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == 1);
-  if (__pyx_t_3) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":488
- *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)
- *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
- *             return result             # <<<<<<<<<<<<<<
- * 
- *         # Case 3: query set and data set do not meet size mismatch constraints;
- */
-    __pyx_r = __pyx_v_result;
-    goto __pyx_L0;
-    goto __pyx_L6;
-  }
-  __pyx_L6:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":492
- *         # Case 3: query set and data set do not meet size mismatch constraints;
- *         # We use mergesort instead in this case
- *         qsetsize = (high1-low1) / step1             # <<<<<<<<<<<<<<
- *         dsetsize = (high2-low2) / step2
- *         if d_first:
- */
-  __pyx_t_4 = (__pyx_v_high1 - __pyx_v_low1);
-  if (unlikely(__pyx_v_step1 == 0)) {
-    PyErr_Format(PyExc_ZeroDivisionError, "integer division or modulo by zero");
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 492; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  }
-  else if (sizeof(int) == sizeof(long) && unlikely(__pyx_v_step1 == -1) && unlikely(UNARY_NEG_WOULD_OVERFLOW(__pyx_t_4))) {
-    PyErr_Format(PyExc_OverflowError, "value too large to perform division");
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 492; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  }
-  __pyx_v_qsetsize = __Pyx_div_int(__pyx_t_4, __pyx_v_step1);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":493
- *         # We use mergesort instead in this case
- *         qsetsize = (high1-low1) / step1
- *         dsetsize = (high2-low2) / step2             # <<<<<<<<<<<<<<
- *         if d_first:
- *             tmp = qsetsize
- */
-  __pyx_t_4 = (__pyx_v_high2 - __pyx_v_low2);
-  if (unlikely(__pyx_v_step2 == 0)) {
-    PyErr_Format(PyExc_ZeroDivisionError, "integer division or modulo by zero");
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 493; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  }
-  else if (sizeof(int) == sizeof(long) && unlikely(__pyx_v_step2 == -1) && unlikely(UNARY_NEG_WOULD_OVERFLOW(__pyx_t_4))) {
-    PyErr_Format(PyExc_OverflowError, "value too large to perform division");
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 493; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_v_dsetsize = __Pyx_div_int(__pyx_t_4, __pyx_v_step2);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":494
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- *         if d_first:             # <<<<<<<<<<<<<<
- *             tmp = qsetsize
- *             qsetsize = dsetsize
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-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":495
- *         dsetsize = (high2-low2) / step2
- *         if d_first:
- *             tmp = qsetsize             # <<<<<<<<<<<<<<
- *             qsetsize = dsetsize
- *             dsetsize = tmp
- */
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-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":496
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- *             dsetsize = tmp
- * 
- */
-    __pyx_v_qsetsize = __pyx_v_dsetsize;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":497
- *             tmp = qsetsize
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- *             dsetsize = tmp             # <<<<<<<<<<<<<<
- * 
- *         if self.by_slack_factor * qsetsize * log(dsetsize) / log(2) > dsetsize:
- */
-    __pyx_v_dsetsize = __pyx_v_tmp;
-    goto __pyx_L7;
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":499
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- *             return self.merge_helper(low1, high1, arr1, step1, low2, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, result_len)
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-  __pyx_t_5 = ((__pyx_v_self->by_slack_factor * __pyx_v_qsetsize) * log(__pyx_v_dsetsize));
-  __pyx_t_6 = log(2.0);
-  if (unlikely(__pyx_t_6 == 0)) {
-    PyErr_Format(PyExc_ZeroDivisionError, "float division");
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 499; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  }
-  __pyx_t_3 = ((__pyx_t_5 / __pyx_t_6) > __pyx_v_dsetsize);
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-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":500
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- *         if self.by_slack_factor * qsetsize * log(dsetsize) / log(2) > dsetsize:
- *             free(result)             # <<<<<<<<<<<<<<
- *             return self.merge_helper(low1, high1, arr1, step1, low2, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, result_len)
- * 
- */
-    free(__pyx_v_result);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":501
- *         if self.by_slack_factor * qsetsize * log(dsetsize) / log(2) > dsetsize:
- *             free(result)
- *             return self.merge_helper(low1, high1, arr1, step1, low2, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, result_len)             # <<<<<<<<<<<<<<
- * 
- *         # binary search.    There are two flavors, depending on
- */
-    __pyx_r = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->merge_helper(__pyx_v_self, __pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_low2, __pyx_v_high2, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, __pyx_v_result_len);
-    goto __pyx_L0;
-    goto __pyx_L8;
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-  __pyx_L8:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":505
- *         # binary search.    There are two flavors, depending on
- *         # whether the queryset or dataset is first
- *         if d_first:             # <<<<<<<<<<<<<<
- *             med2 = median(low2, high2, step2)
- *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
- */
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-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":506
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- *         if d_first:
- *             med2 = median(low2, high2, step2)             # <<<<<<<<<<<<<<
- *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
- * 
- */
-    __pyx_v_med2 = __pyx_f_8_cdec_sa_median(__pyx_v_low2, __pyx_v_high2, __pyx_v_step2);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":507
- *         if d_first:
- *             med2 = median(low2, high2, step2)
- *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
- * 
- *             search_low = low1
- */
-    __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_med2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":509
- *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
- * 
- *             search_low = low1             # <<<<<<<<<<<<<<
- *             search_high = high1
- *             while search_low < search_high:
- */
-    __pyx_v_search_low = __pyx_v_low1;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":510
- * 
- *             search_low = low1
- *             search_high = high1             # <<<<<<<<<<<<<<
- *             while search_low < search_high:
- *                 med1 = median(search_low, search_high, step1)
- */
-    __pyx_v_search_high = __pyx_v_high1;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":511
- *             search_low = low1
- *             search_high = high1
- *             while search_low < search_high:             # <<<<<<<<<<<<<<
- *                 med1 = median(search_low, search_high, step1)
- *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
- */
-    while (1) {
-      __pyx_t_3 = (__pyx_v_search_low < __pyx_v_search_high);
-      if (!__pyx_t_3) break;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":512
- *             search_high = high1
- *             while search_low < search_high:
- *                 med1 = median(search_low, search_high, step1)             # <<<<<<<<<<<<<<
- *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
- *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
- */
-      __pyx_v_med1 = __pyx_f_8_cdec_sa_median(__pyx_v_search_low, __pyx_v_search_high, __pyx_v_step1);
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":513
- *             while search_low < search_high:
- *                 med1 = median(search_low, search_high, step1)
- *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)             # <<<<<<<<<<<<<<
- *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
- *                 if comparison == -1:
- */
-      __pyx_f_8_cdec_sa_find_comparable_matchings(__pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med1, (&__pyx_v_med1_minus), (&__pyx_v_med1_plus));
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":514
- *                 med1 = median(search_low, search_high, step1)
- *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
- *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
- *                 if comparison == -1:
- *                     search_low = med1_plus
- */
-      __pyx_v_comparison = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings_set(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":517
- *                 if comparison == -1:
- *                     search_low = med1_plus
- *                 elif comparison == 1:             # <<<<<<<<<<<<<<
- *                     search_high = med1_minus
- *                 else:
- */
-      switch (__pyx_v_comparison) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":515
- *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
- *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
- *                 if comparison == -1:             # <<<<<<<<<<<<<<
- *                     search_low = med1_plus
- *                 elif comparison == 1:
- */
-        case -1:
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":516
- *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
- *                 if comparison == -1:
- *                     search_low = med1_plus             # <<<<<<<<<<<<<<
- *                 elif comparison == 1:
- *                     search_high = med1_minus
- */
-        __pyx_v_search_low = __pyx_v_med1_plus;
-        break;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":517
- *                 if comparison == -1:
- *                     search_low = med1_plus
- *                 elif comparison == 1:             # <<<<<<<<<<<<<<
- *                     search_high = med1_minus
- *                 else:
- */
-        case 1:
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":518
- *                     search_low = med1_plus
- *                 elif comparison == 1:
- *                     search_high = med1_minus             # <<<<<<<<<<<<<<
- *                 else:
- *                     break
- */
-        __pyx_v_search_high = __pyx_v_med1_minus;
-        break;
-        default:
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":520
- *                     search_high = med1_minus
- *                 else:
- *                     break             # <<<<<<<<<<<<<<
- *         else:
- *             med1 = median(low1, high1, step1)
- */
-        goto __pyx_L11_break;
-        break;
-      }
-    }
-    __pyx_L11_break:;
-    goto __pyx_L9;
-  }
-  /*else*/ {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":522
- *                     break
- *         else:
- *             med1 = median(low1, high1, step1)             # <<<<<<<<<<<<<<
- *             find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
- * 
- */
-    __pyx_v_med1 = __pyx_f_8_cdec_sa_median(__pyx_v_low1, __pyx_v_high1, __pyx_v_step1);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":523
- *         else:
- *             med1 = median(low1, high1, step1)
- *             find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)             # <<<<<<<<<<<<<<
- * 
- *             search_low = low2
- */
-    __pyx_f_8_cdec_sa_find_comparable_matchings(__pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med1, (&__pyx_v_med1_minus), (&__pyx_v_med1_plus));
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":525
- *             find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
- * 
- *             search_low = low2             # <<<<<<<<<<<<<<
- *             search_high = high2
- *             while search_low < search_high:
- */
-    __pyx_v_search_low = __pyx_v_low2;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":526
- * 
- *             search_low = low2
- *             search_high = high2             # <<<<<<<<<<<<<<
- *             while search_low < search_high:
- *                 med2 = median(search_low, search_high, step2)
- */
-    __pyx_v_search_high = __pyx_v_high2;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":527
- *             search_low = low2
- *             search_high = high2
- *             while search_low < search_high:             # <<<<<<<<<<<<<<
- *                 med2 = median(search_low, search_high, step2)
- *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
- */
-    while (1) {
-      __pyx_t_3 = (__pyx_v_search_low < __pyx_v_search_high);
-      if (!__pyx_t_3) break;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":528
- *             search_high = high2
- *             while search_low < search_high:
- *                 med2 = median(search_low, search_high, step2)             # <<<<<<<<<<<<<<
- *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
- *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
- */
-      __pyx_v_med2 = __pyx_f_8_cdec_sa_median(__pyx_v_search_low, __pyx_v_search_high, __pyx_v_step2);
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":529
- *             while search_low < search_high:
- *                 med2 = median(search_low, search_high, step2)
- *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
- *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
- *                 if comparison == -1:
- */
-      __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_med2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":530
- *                 med2 = median(search_low, search_high, step2)
- *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
- *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
- *                 if comparison == -1:
- *                     search_high = med2
- */
-      __pyx_v_comparison = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings_set(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":533
- *                 if comparison == -1:
- *                     search_high = med2
- *                 elif comparison == 1:             # <<<<<<<<<<<<<<
- *                     search_low = med2 + step2
- *                 else:
- */
-      switch (__pyx_v_comparison) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":531
- *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
- *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
- *                 if comparison == -1:             # <<<<<<<<<<<<<<
- *                     search_high = med2
- *                 elif comparison == 1:
- */
-        case -1:
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":532
- *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
- *                 if comparison == -1:
- *                     search_high = med2             # <<<<<<<<<<<<<<
- *                 elif comparison == 1:
- *                     search_low = med2 + step2
- */
-        __pyx_v_search_high = __pyx_v_med2;
-        break;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":533
- *                 if comparison == -1:
- *                     search_high = med2
- *                 elif comparison == 1:             # <<<<<<<<<<<<<<
- *                     search_low = med2 + step2
- *                 else:
- */
-        case 1:
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":534
- *                     search_high = med2
- *                 elif comparison == 1:
- *                     search_low = med2 + step2             # <<<<<<<<<<<<<<
- *                 else:
- *                     break
- */
-        __pyx_v_search_low = (__pyx_v_med2 + __pyx_v_step2);
-        break;
-        default:
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":536
- *                     search_low = med2 + step2
- *                 else:
- *                     break             # <<<<<<<<<<<<<<
- * 
- *         med_result_len = 0
- */
-        goto __pyx_L13_break;
-        break;
-      }
-    }
-    __pyx_L13_break:;
-  }
-  __pyx_L9:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":538
- *                     break
- * 
- *         med_result_len = 0             # <<<<<<<<<<<<<<
- *         med_result = <int*> malloc(0*sizeof(int*))
- *         if search_high > search_low:
- */
-  __pyx_v_med_result_len = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":539
- * 
- *         med_result_len = 0
- *         med_result = <int*> malloc(0*sizeof(int*))             # <<<<<<<<<<<<<<
- *         if search_high > search_low:
- *             # Then there is a match for the median element of Q
- */
-  __pyx_v_med_result = ((int *)malloc((0 * (sizeof(int *)))));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":540
- *         med_result_len = 0
- *         med_result = <int*> malloc(0*sizeof(int*))
- *         if search_high > search_low:             # <<<<<<<<<<<<<<
- *             # Then there is a match for the median element of Q
- *             # What we want to find is the group of all bindings in the first set
- */
-  __pyx_t_3 = (__pyx_v_search_high > __pyx_v_search_low);
-  if (__pyx_t_3) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":546
- *             # want to store the bindings for all of those elements.    We can
- *             # subsequently throw all of them away.
- *             med2_minus = med2             # <<<<<<<<<<<<<<
- *             med2_plus = med2 + step2
- *             i1 = med1_minus
- */
-    __pyx_v_med2_minus = __pyx_v_med2;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":547
- *             # subsequently throw all of them away.
- *             med2_minus = med2
- *             med2_plus = med2 + step2             # <<<<<<<<<<<<<<
- *             i1 = med1_minus
- *             while i1 < med1_plus:
- */
-    __pyx_v_med2_plus = (__pyx_v_med2 + __pyx_v_step2);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":548
- *             med2_minus = med2
- *             med2_plus = med2 + step2
- *             i1 = med1_minus             # <<<<<<<<<<<<<<
- *             while i1 < med1_plus:
- *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
- */
-    __pyx_v_i1 = __pyx_v_med1_minus;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":549
- *             med2_plus = med2 + step2
- *             i1 = med1_minus
- *             while i1 < med1_plus:             # <<<<<<<<<<<<<<
- *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
- *                 while med2_minus-step2 >= low2:
- */
-    while (1) {
-      __pyx_t_3 = (__pyx_v_i1 < __pyx_v_med1_plus);
-      if (!__pyx_t_3) break;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":550
- *             i1 = med1_minus
- *             while i1 < med1_plus:
- *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
- *                 while med2_minus-step2 >= low2:
- *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)
- */
-      __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":551
- *             while i1 < med1_plus:
- *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
- *                 while med2_minus-step2 >= low2:             # <<<<<<<<<<<<<<
- *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)
- *                     if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) < 1:
- */
-      while (1) {
-        __pyx_t_3 = ((__pyx_v_med2_minus - __pyx_v_step2) >= __pyx_v_low2);
-        if (!__pyx_t_3) break;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":552
- *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
- *                 while med2_minus-step2 >= low2:
- *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
- *                     if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) < 1:
- *                         med2_minus = med2_minus - step2
- */
-        __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, (__pyx_v_med2_minus - __pyx_v_step2), __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":553
- *                 while med2_minus-step2 >= low2:
- *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)
- *                     if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) < 1:             # <<<<<<<<<<<<<<
- *                         med2_minus = med2_minus - step2
- *                     else:
- */
-        __pyx_t_3 = (((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) < 1);
-        if (__pyx_t_3) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":554
- *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)
- *                     if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) < 1:
- *                         med2_minus = med2_minus - step2             # <<<<<<<<<<<<<<
- *                     else:
- *                         break
- */
-          __pyx_v_med2_minus = (__pyx_v_med2_minus - __pyx_v_step2);
-          goto __pyx_L19;
-        }
-        /*else*/ {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":556
- *                         med2_minus = med2_minus - step2
- *                     else:
- *                         break             # <<<<<<<<<<<<<<
- *                 i2 = med2_minus
- *                 while i2 < high2:
- */
-          goto __pyx_L18_break;
-        }
-        __pyx_L19:;
-      }
-      __pyx_L18_break:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":557
- *                     else:
- *                         break
- *                 i2 = med2_minus             # <<<<<<<<<<<<<<
- *                 while i2 < high2:
- *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
- */
-      __pyx_v_i2 = __pyx_v_med2_minus;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":558
- *                         break
- *                 i2 = med2_minus
- *                 while i2 < high2:             # <<<<<<<<<<<<<<
- *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
- *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
- */
-      while (1) {
-        __pyx_t_3 = (__pyx_v_i2 < __pyx_v_high2);
-        if (!__pyx_t_3) break;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":559
- *                 i2 = med2_minus
- *                 while i2 < high2:
- *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
- *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
- *                     if comparison == 0:
- */
-        __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_i2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":560
- *                 while i2 < high2:
- *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
- *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
- *                     if comparison == 0:
- *                         pass
- */
-        __pyx_v_comparison = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":561
- *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
- *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
- *                     if comparison == 0:             # <<<<<<<<<<<<<<
- *                         pass
- *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)
- */
-        __pyx_t_3 = (__pyx_v_comparison == 0);
-        if (__pyx_t_3) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":563
- *                     if comparison == 0:
- *                         pass
- *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)             # <<<<<<<<<<<<<<
- *                     if comparison == -1:
- *                         break
- */
-          __pyx_v_med_result = __pyx_f_8_cdec_sa_append_combined_matching(__pyx_v_med_result, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_num_subpatterns, (&__pyx_v_med_result_len));
-          goto __pyx_L22;
-        }
-        __pyx_L22:;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":564
- *                         pass
- *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)
- *                     if comparison == -1:             # <<<<<<<<<<<<<<
- *                         break
- *                     i2 = i2 + step2
- */
-        __pyx_t_3 = (__pyx_v_comparison == -1);
-        if (__pyx_t_3) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":565
- *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)
- *                     if comparison == -1:
- *                         break             # <<<<<<<<<<<<<<
- *                     i2 = i2 + step2
- *                 if i2 > med2_plus:
- */
-          goto __pyx_L21_break;
-          goto __pyx_L23;
-        }
-        __pyx_L23:;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":566
- *                     if comparison == -1:
- *                         break
- *                     i2 = i2 + step2             # <<<<<<<<<<<<<<
- *                 if i2 > med2_plus:
- *                     med2_plus = i2
- */
-        __pyx_v_i2 = (__pyx_v_i2 + __pyx_v_step2);
-      }
-      __pyx_L21_break:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":567
- *                         break
- *                     i2 = i2 + step2
- *                 if i2 > med2_plus:             # <<<<<<<<<<<<<<
- *                     med2_plus = i2
- *                 i1 = i1 + step1
- */
-      __pyx_t_3 = (__pyx_v_i2 > __pyx_v_med2_plus);
-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":568
- *                     i2 = i2 + step2
- *                 if i2 > med2_plus:
- *                     med2_plus = i2             # <<<<<<<<<<<<<<
- *                 i1 = i1 + step1
- * 
- */
-        __pyx_v_med2_plus = __pyx_v_i2;
-        goto __pyx_L24;
-      }
-      __pyx_L24:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":569
- *                 if i2 > med2_plus:
- *                     med2_plus = i2
- *                 i1 = i1 + step1             # <<<<<<<<<<<<<<
- * 
- *             tmp = med1_minus
- */
-      __pyx_v_i1 = (__pyx_v_i1 + __pyx_v_step1);
-    }
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":571
- *                 i1 = i1 + step1
- * 
- *             tmp = med1_minus             # <<<<<<<<<<<<<<
- *             med1_minus = med1_plus
- *             med1_plus = tmp
- */
-    __pyx_v_tmp = __pyx_v_med1_minus;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":572
- * 
- *             tmp = med1_minus
- *             med1_minus = med1_plus             # <<<<<<<<<<<<<<
- *             med1_plus = tmp
- *         else:
- */
-    __pyx_v_med1_minus = __pyx_v_med1_plus;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":573
- *             tmp = med1_minus
- *             med1_minus = med1_plus
- *             med1_plus = tmp             # <<<<<<<<<<<<<<
- *         else:
- *             # No match; need to figure out the point of division in D and Q
- */
-    __pyx_v_med1_plus = __pyx_v_tmp;
-    goto __pyx_L14;
-  }
-  /*else*/ {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":576
- *         else:
- *             # No match; need to figure out the point of division in D and Q
- *             med2_minus = med2             # <<<<<<<<<<<<<<
- *             med2_plus = med2
- *             if d_first:
- */
-    __pyx_v_med2_minus = __pyx_v_med2;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":577
- *             # No match; need to figure out the point of division in D and Q
- *             med2_minus = med2
- *             med2_plus = med2             # <<<<<<<<<<<<<<
- *             if d_first:
- *                 med2_minus = med2_minus + step2
- */
-    __pyx_v_med2_plus = __pyx_v_med2;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":578
- *             med2_minus = med2
- *             med2_plus = med2
- *             if d_first:             # <<<<<<<<<<<<<<
- *                 med2_minus = med2_minus + step2
- *                 if comparison == -1:
- */
-    if (__pyx_v_d_first) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":579
- *             med2_plus = med2
- *             if d_first:
- *                 med2_minus = med2_minus + step2             # <<<<<<<<<<<<<<
- *                 if comparison == -1:
- *                     med1_minus = med1_plus
- */
-      __pyx_v_med2_minus = (__pyx_v_med2_minus + __pyx_v_step2);
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":580
- *             if d_first:
- *                 med2_minus = med2_minus + step2
- *                 if comparison == -1:             # <<<<<<<<<<<<<<
- *                     med1_minus = med1_plus
- *                 if comparison == 1:
- */
-      __pyx_t_3 = (__pyx_v_comparison == -1);
-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":581
- *                 med2_minus = med2_minus + step2
- *                 if comparison == -1:
- *                     med1_minus = med1_plus             # <<<<<<<<<<<<<<
- *                 if comparison == 1:
- *                     med1_plus = med1_minus
- */
-        __pyx_v_med1_minus = __pyx_v_med1_plus;
-        goto __pyx_L26;
-      }
-      __pyx_L26:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":582
- *                 if comparison == -1:
- *                     med1_minus = med1_plus
- *                 if comparison == 1:             # <<<<<<<<<<<<<<
- *                     med1_plus = med1_minus
- *             else:
- */
-      __pyx_t_3 = (__pyx_v_comparison == 1);
-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":583
- *                     med1_minus = med1_plus
- *                 if comparison == 1:
- *                     med1_plus = med1_minus             # <<<<<<<<<<<<<<
- *             else:
- *                 tmp = med1_minus
- */
-        __pyx_v_med1_plus = __pyx_v_med1_minus;
-        goto __pyx_L27;
-      }
-      __pyx_L27:;
-      goto __pyx_L25;
-    }
-    /*else*/ {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":585
- *                     med1_plus = med1_minus
- *             else:
- *                 tmp = med1_minus             # <<<<<<<<<<<<<<
- *                 med1_minus = med1_plus
- *                 med1_plus = tmp
- */
-      __pyx_v_tmp = __pyx_v_med1_minus;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":586
- *             else:
- *                 tmp = med1_minus
- *                 med1_minus = med1_plus             # <<<<<<<<<<<<<<
- *                 med1_plus = tmp
- *                 if comparison == 1:
- */
-      __pyx_v_med1_minus = __pyx_v_med1_plus;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":587
- *                 tmp = med1_minus
- *                 med1_minus = med1_plus
- *                 med1_plus = tmp             # <<<<<<<<<<<<<<
- *                 if comparison == 1:
- *                     med2_minus = med2_minus + step2
- */
-      __pyx_v_med1_plus = __pyx_v_tmp;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":588
- *                 med1_minus = med1_plus
- *                 med1_plus = tmp
- *                 if comparison == 1:             # <<<<<<<<<<<<<<
- *                     med2_minus = med2_minus + step2
- *                     med2_plus = med2_plus + step2
- */
-      __pyx_t_3 = (__pyx_v_comparison == 1);
-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":589
- *                 med1_plus = tmp
- *                 if comparison == 1:
- *                     med2_minus = med2_minus + step2             # <<<<<<<<<<<<<<
- *                     med2_plus = med2_plus + step2
- * 
- */
-        __pyx_v_med2_minus = (__pyx_v_med2_minus + __pyx_v_step2);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":590
- *                 if comparison == 1:
- *                     med2_minus = med2_minus + step2
- *                     med2_plus = med2_plus + step2             # <<<<<<<<<<<<<<
- * 
- *         low_result_len = 0
- */
-        __pyx_v_med2_plus = (__pyx_v_med2_plus + __pyx_v_step2);
-        goto __pyx_L28;
-      }
-      __pyx_L28:;
-    }
-    __pyx_L25:;
-  }
-  __pyx_L14:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":592
- *                     med2_plus = med2_plus + step2
- * 
- *         low_result_len = 0             # <<<<<<<<<<<<<<
- *         low_result = self.baeza_yates_helper(low1, med1_plus, arr1, step1, low2, med2_plus, arr2, step2, offset_by_one, len_last, num_subpatterns, &low_result_len)
- *         high_result_len = 0
- */
-  __pyx_v_low_result_len = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":593
- * 
- *         low_result_len = 0
- *         low_result = self.baeza_yates_helper(low1, med1_plus, arr1, step1, low2, med2_plus, arr2, step2, offset_by_one, len_last, num_subpatterns, &low_result_len)             # <<<<<<<<<<<<<<
- *         high_result_len = 0
- *         high_result = self.baeza_yates_helper(med1_minus, high1, arr1, step1, med2_minus, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, &high_result_len)
- */
-  __pyx_v_low_result = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->baeza_yates_helper(__pyx_v_self, __pyx_v_low1, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, __pyx_v_low2, __pyx_v_med2_plus, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_low_result_len));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":594
- *         low_result_len = 0
- *         low_result = self.baeza_yates_helper(low1, med1_plus, arr1, step1, low2, med2_plus, arr2, step2, offset_by_one, len_last, num_subpatterns, &low_result_len)
- *         high_result_len = 0             # <<<<<<<<<<<<<<
- *         high_result = self.baeza_yates_helper(med1_minus, high1, arr1, step1, med2_minus, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, &high_result_len)
- * 
- */
-  __pyx_v_high_result_len = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":595
- *         low_result = self.baeza_yates_helper(low1, med1_plus, arr1, step1, low2, med2_plus, arr2, step2, offset_by_one, len_last, num_subpatterns, &low_result_len)
- *         high_result_len = 0
- *         high_result = self.baeza_yates_helper(med1_minus, high1, arr1, step1, med2_minus, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, &high_result_len)             # <<<<<<<<<<<<<<
- * 
- *         result = extend_arr(result, result_len, low_result, low_result_len)
- */
-  __pyx_v_high_result = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->baeza_yates_helper(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med2_minus, __pyx_v_high2, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_high_result_len));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":597
- *         high_result = self.baeza_yates_helper(med1_minus, high1, arr1, step1, med2_minus, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, &high_result_len)
- * 
- *         result = extend_arr(result, result_len, low_result, low_result_len)             # <<<<<<<<<<<<<<
- *         result = extend_arr(result, result_len, med_result, med_result_len)
- *         result = extend_arr(result, result_len, high_result, high_result_len)
- */
-  __pyx_v_result = __pyx_f_8_cdec_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_low_result, __pyx_v_low_result_len);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":598
- * 
- *         result = extend_arr(result, result_len, low_result, low_result_len)
- *         result = extend_arr(result, result_len, med_result, med_result_len)             # <<<<<<<<<<<<<<
- *         result = extend_arr(result, result_len, high_result, high_result_len)
- *         free(low_result)
- */
-  __pyx_v_result = __pyx_f_8_cdec_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_med_result, __pyx_v_med_result_len);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":599
- *         result = extend_arr(result, result_len, low_result, low_result_len)
- *         result = extend_arr(result, result_len, med_result, med_result_len)
- *         result = extend_arr(result, result_len, high_result, high_result_len)             # <<<<<<<<<<<<<<
- *         free(low_result)
- *         free(med_result)
- */
-  __pyx_v_result = __pyx_f_8_cdec_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_high_result, __pyx_v_high_result_len);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":600
- *         result = extend_arr(result, result_len, med_result, med_result_len)
- *         result = extend_arr(result, result_len, high_result, high_result_len)
- *         free(low_result)             # <<<<<<<<<<<<<<
- *         free(med_result)
- *         free(high_result)
- */
-  free(__pyx_v_low_result);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":601
- *         result = extend_arr(result, result_len, high_result, high_result_len)
- *         free(low_result)
- *         free(med_result)             # <<<<<<<<<<<<<<
- *         free(high_result)
- * 
- */
-  free(__pyx_v_med_result);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":602
- *         free(low_result)
- *         free(med_result)
- *         free(high_result)             # <<<<<<<<<<<<<<
- * 
- *         return result
- */
-  free(__pyx_v_high_result);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":604
- *         free(high_result)
- * 
- *         return result             # <<<<<<<<<<<<<<
- * 
- * 
- */
-  __pyx_r = __pyx_v_result;
-  goto __pyx_L0;
-
-  __pyx_r = 0;
-  goto __pyx_L0;
-  __pyx_L1_error:;
-  __Pyx_WriteUnraisable("_cdec_sa.HieroCachingRuleFactory.baeza_yates_helper", __pyx_clineno, __pyx_lineno, __pyx_filename);
-  __pyx_r = 0;
-  __pyx_L0:;
-  __Pyx_RefNannyFinishContext();
-  return __pyx_r;
-}
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":608
- * 
- * 
- *     cdef long compare_matchings_set(self, int i1_minus, int i1_plus, int* arr1, int step1,             # <<<<<<<<<<<<<<
- *                             Matching* loc2, int offset_by_one, int len_last):
- *         """
- */
-
-static long __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_compare_matchings_set(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_i1_minus, int __pyx_v_i1_plus, int *__pyx_v_arr1, int __pyx_v_step1, struct __pyx_t_8_cdec_sa_Matching *__pyx_v_loc2, int __pyx_v_offset_by_one, int __pyx_v_len_last) {
-  int __pyx_v_i1;
-  int __pyx_v_comparison;
-  int __pyx_v_prev_comparison;
-  struct __pyx_t_8_cdec_sa_Matching __pyx_v_l1_stack;
-  struct __pyx_t_8_cdec_sa_Matching *__pyx_v_loc1;
-  long __pyx_r;
-  __Pyx_RefNannyDeclarations
-  int __pyx_t_1;
-  __Pyx_RefNannySetupContext("compare_matchings_set", 0);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":619
- *         cdef Matching* loc1
- * 
- *         loc1 = &l1_stack             # <<<<<<<<<<<<<<
- * 
- *         i1 = i1_minus
- */
-  __pyx_v_loc1 = (&__pyx_v_l1_stack);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":621
- *         loc1 = &l1_stack
- * 
- *         i1 = i1_minus             # <<<<<<<<<<<<<<
- *         while i1 < i1_plus:
- *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)
- */
-  __pyx_v_i1 = __pyx_v_i1_minus;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":622
- * 
- *         i1 = i1_minus
- *         while i1 < i1_plus:             # <<<<<<<<<<<<<<
- *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)
- *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)
- */
-  while (1) {
-    __pyx_t_1 = (__pyx_v_i1 < __pyx_v_i1_plus);
-    if (!__pyx_t_1) break;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":623
- *         i1 = i1_minus
- *         while i1 < i1_plus:
- *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
- *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)
- *             if comparison == 0:
- */
-    __pyx_f_8_cdec_sa_assign_matching(__pyx_v_loc1, __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":624
- *         while i1 < i1_plus:
- *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)
- *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
- *             if comparison == 0:
- *                 prev_comparison = 0
- */
-    __pyx_v_comparison = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, __pyx_v_loc1, __pyx_v_loc2, __pyx_v_offset_by_one, __pyx_v_len_last);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":625
- *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)
- *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)
- *             if comparison == 0:             # <<<<<<<<<<<<<<
- *                 prev_comparison = 0
- *                 break
- */
-    __pyx_t_1 = (__pyx_v_comparison == 0);
-    if (__pyx_t_1) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":626
- *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)
- *             if comparison == 0:
- *                 prev_comparison = 0             # <<<<<<<<<<<<<<
- *                 break
- *             elif i1 == i1_minus:
- */
-      __pyx_v_prev_comparison = 0;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":627
- *             if comparison == 0:
- *                 prev_comparison = 0
- *                 break             # <<<<<<<<<<<<<<
- *             elif i1 == i1_minus:
- *                 prev_comparison = comparison
- */
-      goto __pyx_L4_break;
-      goto __pyx_L5;
-    }
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":628
- *                 prev_comparison = 0
- *                 break
- *             elif i1 == i1_minus:             # <<<<<<<<<<<<<<
- *                 prev_comparison = comparison
- *             else:
- */
-    __pyx_t_1 = (__pyx_v_i1 == __pyx_v_i1_minus);
-    if (__pyx_t_1) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":629
- *                 break
- *             elif i1 == i1_minus:
- *                 prev_comparison = comparison             # <<<<<<<<<<<<<<
- *             else:
- *                 if comparison != prev_comparison:
- */
-      __pyx_v_prev_comparison = __pyx_v_comparison;
-      goto __pyx_L5;
-    }
-    /*else*/ {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":631
- *                 prev_comparison = comparison
- *             else:
- *                 if comparison != prev_comparison:             # <<<<<<<<<<<<<<
- *                     prev_comparison = 0
- *                     break
- */
-      __pyx_t_1 = (__pyx_v_comparison != __pyx_v_prev_comparison);
-      if (__pyx_t_1) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":632
- *             else:
- *                 if comparison != prev_comparison:
- *                     prev_comparison = 0             # <<<<<<<<<<<<<<
- *                     break
- *             i1 = i1 + step1
- */
-        __pyx_v_prev_comparison = 0;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":633
- *                 if comparison != prev_comparison:
- *                     prev_comparison = 0
- *                     break             # <<<<<<<<<<<<<<
- *             i1 = i1 + step1
- *         return prev_comparison
- */
-        goto __pyx_L4_break;
-        goto __pyx_L6;
-      }
-      __pyx_L6:;
-    }
-    __pyx_L5:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":634
- *                     prev_comparison = 0
- *                     break
- *             i1 = i1 + step1             # <<<<<<<<<<<<<<
- *         return prev_comparison
- * 
- */
-    __pyx_v_i1 = (__pyx_v_i1 + __pyx_v_step1);
-  }
-  __pyx_L4_break:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":635
- *                     break
- *             i1 = i1 + step1
- *         return prev_comparison             # <<<<<<<<<<<<<<
- * 
- * 
- */
-  __pyx_r = __pyx_v_prev_comparison;
-  goto __pyx_L0;
-
-  __pyx_r = 0;
-  __pyx_L0:;
-  __Pyx_RefNannyFinishContext();
-  return __pyx_r;
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-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":638
- * 
- * 
- *     cdef long compare_matchings(self, Matching* loc1, Matching* loc2, int offset_by_one, int len_last):             # <<<<<<<<<<<<<<
- *         cdef int i
- * 
- */
-
-static long __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_compare_matchings(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_t_8_cdec_sa_Matching *__pyx_v_loc1, struct __pyx_t_8_cdec_sa_Matching *__pyx_v_loc2, int __pyx_v_offset_by_one, int __pyx_v_len_last) {
-  int __pyx_v_i;
-  long __pyx_r;
-  __Pyx_RefNannyDeclarations
-  int __pyx_t_1;
-  int __pyx_t_2;
-  int __pyx_t_3;
-  int __pyx_t_4;
-  __Pyx_RefNannySetupContext("compare_matchings", 0);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":641
- *         cdef int i
- * 
- *         if loc1.sent_id > loc2.sent_id:             # <<<<<<<<<<<<<<
- *             return 1
- *         if loc2.sent_id > loc1.sent_id:
- */
-  __pyx_t_1 = (__pyx_v_loc1->sent_id > __pyx_v_loc2->sent_id);
-  if (__pyx_t_1) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":642
- * 
- *         if loc1.sent_id > loc2.sent_id:
- *             return 1             # <<<<<<<<<<<<<<
- *         if loc2.sent_id > loc1.sent_id:
- *             return -1
- */
-    __pyx_r = 1;
-    goto __pyx_L0;
-    goto __pyx_L3;
-  }
-  __pyx_L3:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":643
- *         if loc1.sent_id > loc2.sent_id:
- *             return 1
- *         if loc2.sent_id > loc1.sent_id:             # <<<<<<<<<<<<<<
- *             return -1
- * 
- */
-  __pyx_t_1 = (__pyx_v_loc2->sent_id > __pyx_v_loc1->sent_id);
-  if (__pyx_t_1) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":644
- *             return 1
- *         if loc2.sent_id > loc1.sent_id:
- *             return -1             # <<<<<<<<<<<<<<
- * 
- *         if loc1.size == 1 and loc2.size == 1:
- */
-    __pyx_r = -1;
-    goto __pyx_L0;
-    goto __pyx_L4;
-  }
-  __pyx_L4:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":646
- *             return -1
- * 
- *         if loc1.size == 1 and loc2.size == 1:             # <<<<<<<<<<<<<<
- *             if loc2.arr[loc2.start] - loc1.arr[loc1.start] <= self.train_min_gap_size:
- *                 return 1
- */
-  __pyx_t_1 = (__pyx_v_loc1->size == 1);
-  if (__pyx_t_1) {
-    __pyx_t_2 = (__pyx_v_loc2->size == 1);
-    __pyx_t_3 = __pyx_t_2;
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-    __pyx_t_3 = __pyx_t_1;
-  }
-  if (__pyx_t_3) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":647
- * 
- *         if loc1.size == 1 and loc2.size == 1:
- *             if loc2.arr[loc2.start] - loc1.arr[loc1.start] <= self.train_min_gap_size:             # <<<<<<<<<<<<<<
- *                 return 1
- * 
- */
-    __pyx_t_3 = (((__pyx_v_loc2->arr[__pyx_v_loc2->start]) - (__pyx_v_loc1->arr[__pyx_v_loc1->start])) <= __pyx_v_self->train_min_gap_size);
-    if (__pyx_t_3) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":648
- *         if loc1.size == 1 and loc2.size == 1:
- *             if loc2.arr[loc2.start] - loc1.arr[loc1.start] <= self.train_min_gap_size:
- *                 return 1             # <<<<<<<<<<<<<<
- * 
- *         elif offset_by_one:
- */
-      __pyx_r = 1;
-      goto __pyx_L0;
-      goto __pyx_L6;
-    }
-    __pyx_L6:;
-    goto __pyx_L5;
-  }
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":650
- *                 return 1
- * 
- *         elif offset_by_one:             # <<<<<<<<<<<<<<
- *             for i from 1 <= i < loc1.size:
- *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:
- */
-  if (__pyx_v_offset_by_one) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":651
- * 
- *         elif offset_by_one:
- *             for i from 1 <= i < loc1.size:             # <<<<<<<<<<<<<<
- *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:
- *                     return 1
- */
-    __pyx_t_4 = __pyx_v_loc1->size;
-    for (__pyx_v_i = 1; __pyx_v_i < __pyx_t_4; __pyx_v_i++) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":652
- *         elif offset_by_one:
- *             for i from 1 <= i < loc1.size:
- *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:             # <<<<<<<<<<<<<<
- *                     return 1
- *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i-1]:
- */
-      __pyx_t_3 = ((__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]) > (__pyx_v_loc2->arr[((__pyx_v_loc2->start + __pyx_v_i) - 1)]));
-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":653
- *             for i from 1 <= i < loc1.size:
- *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:
- *                     return 1             # <<<<<<<<<<<<<<
- *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i-1]:
- *                     return -1
- */
-        __pyx_r = 1;
-        goto __pyx_L0;
-        goto __pyx_L9;
-      }
-      __pyx_L9:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":654
- *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:
- *                     return 1
- *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i-1]:             # <<<<<<<<<<<<<<
- *                     return -1
- * 
- */
-      __pyx_t_3 = ((__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]) < (__pyx_v_loc2->arr[((__pyx_v_loc2->start + __pyx_v_i) - 1)]));
-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":655
- *                     return 1
- *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i-1]:
- *                     return -1             # <<<<<<<<<<<<<<
- * 
- *         else:
- */
-        __pyx_r = -1;
-        goto __pyx_L0;
-        goto __pyx_L10;
-      }
-      __pyx_L10:;
-    }
-    goto __pyx_L5;
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-  /*else*/ {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":658
- * 
- *         else:
- *             if loc1.arr[loc1.start]+1 > loc2.arr[loc2.start]:             # <<<<<<<<<<<<<<
- *                 return 1
- *             if loc1.arr[loc1.start]+1 < loc2.arr[loc2.start]:
- */
-    __pyx_t_3 = (((__pyx_v_loc1->arr[__pyx_v_loc1->start]) + 1) > (__pyx_v_loc2->arr[__pyx_v_loc2->start]));
-    if (__pyx_t_3) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":659
- *         else:
- *             if loc1.arr[loc1.start]+1 > loc2.arr[loc2.start]:
- *                 return 1             # <<<<<<<<<<<<<<
- *             if loc1.arr[loc1.start]+1 < loc2.arr[loc2.start]:
- *                 return -1
- */
-      __pyx_r = 1;
-      goto __pyx_L0;
-      goto __pyx_L11;
-    }
-    __pyx_L11:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":660
- *             if loc1.arr[loc1.start]+1 > loc2.arr[loc2.start]:
- *                 return 1
- *             if loc1.arr[loc1.start]+1 < loc2.arr[loc2.start]:             # <<<<<<<<<<<<<<
- *                 return -1
- * 
- */
-    __pyx_t_3 = (((__pyx_v_loc1->arr[__pyx_v_loc1->start]) + 1) < (__pyx_v_loc2->arr[__pyx_v_loc2->start]));
-    if (__pyx_t_3) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":661
- *                 return 1
- *             if loc1.arr[loc1.start]+1 < loc2.arr[loc2.start]:
- *                 return -1             # <<<<<<<<<<<<<<
- * 
- *             for i from 1 <= i < loc1.size:
- */
-      __pyx_r = -1;
-      goto __pyx_L0;
-      goto __pyx_L12;
-    }
-    __pyx_L12:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":663
- *                 return -1
- * 
- *             for i from 1 <= i < loc1.size:             # <<<<<<<<<<<<<<
- *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:
- *                     return 1
- */
-    __pyx_t_4 = __pyx_v_loc1->size;
-    for (__pyx_v_i = 1; __pyx_v_i < __pyx_t_4; __pyx_v_i++) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":664
- * 
- *             for i from 1 <= i < loc1.size:
- *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:             # <<<<<<<<<<<<<<
- *                     return 1
- *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i]:
- */
-      __pyx_t_3 = ((__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]) > (__pyx_v_loc2->arr[(__pyx_v_loc2->start + __pyx_v_i)]));
-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":665
- *             for i from 1 <= i < loc1.size:
- *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:
- *                     return 1             # <<<<<<<<<<<<<<
- *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i]:
- *                     return -1
- */
-        __pyx_r = 1;
-        goto __pyx_L0;
-        goto __pyx_L15;
-      }
-      __pyx_L15:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":666
- *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:
- *                     return 1
- *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i]:             # <<<<<<<<<<<<<<
- *                     return -1
- * 
- */
-      __pyx_t_3 = ((__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]) < (__pyx_v_loc2->arr[(__pyx_v_loc2->start + __pyx_v_i)]));
-      if (__pyx_t_3) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":667
- *                     return 1
- *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i]:
- *                     return -1             # <<<<<<<<<<<<<<
- * 
- *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:
- */
-        __pyx_r = -1;
-        goto __pyx_L0;
-        goto __pyx_L16;
-      }
-      __pyx_L16:;
-    }
-  }
-  __pyx_L5:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":669
- *                     return -1
- * 
- *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:             # <<<<<<<<<<<<<<
- *             return -1
- *         return 0
- */
-  __pyx_t_3 = ((((__pyx_v_loc2->arr[(__pyx_v_loc2->end - 1)]) + __pyx_v_len_last) - (__pyx_v_loc1->arr[__pyx_v_loc1->start])) > __pyx_v_self->train_max_initial_size);
-  if (__pyx_t_3) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":670
- * 
- *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:
- *             return -1             # <<<<<<<<<<<<<<
- *         return 0
- * 
- */
-    __pyx_r = -1;
-    goto __pyx_L0;
-    goto __pyx_L17;
-  }
-  __pyx_L17:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":671
- *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:
- *             return -1
- *         return 0             # <<<<<<<<<<<<<<
- * 
- * 
- */
-  __pyx_r = 0;
-  goto __pyx_L0;
-
-  __pyx_r = 0;
-  __pyx_L0:;
-  __Pyx_RefNannyFinishContext();
-  return __pyx_r;
-}
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":674
- * 
- * 
- *     cdef int* merge_helper(self, int low1, int high1, int* arr1, int step1,             # <<<<<<<<<<<<<<
- *                     int low2, int high2, int* arr2, int step2,
- *                     int offset_by_one, int len_last, int num_subpatterns, int* result_len):
- */
-
-static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_low1, int __pyx_v_high1, int *__pyx_v_arr1, int __pyx_v_step1, int __pyx_v_low2, int __pyx_v_high2, int *__pyx_v_arr2, int __pyx_v_step2, int __pyx_v_offset_by_one, int __pyx_v_len_last, int __pyx_v_num_subpatterns, int *__pyx_v_result_len) {
-  int __pyx_v_i1;
-  int __pyx_v_i2;
-  int __pyx_v_j1;
-  int __pyx_v_j2;
-  long __pyx_v_comparison;
-  int *__pyx_v_result;
-  struct __pyx_t_8_cdec_sa_Matching __pyx_v_loc1;
-  struct __pyx_t_8_cdec_sa_Matching __pyx_v_loc2;
-  int *__pyx_r;
-  __Pyx_RefNannyDeclarations
-  int __pyx_t_1;
-  int __pyx_t_2;
-  int __pyx_t_3;
-  __Pyx_RefNannySetupContext("merge_helper", 0);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":682
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- * 
- *         result_len[0] = 0             # <<<<<<<<<<<<<<
- *         result = <int*> malloc(0*sizeof(int))
- * 
- */
-  (__pyx_v_result_len[0]) = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":683
- * 
- *         result_len[0] = 0
- *         result = <int*> malloc(0*sizeof(int))             # <<<<<<<<<<<<<<
- * 
- *         i1 = low1
- */
-  __pyx_v_result = ((int *)malloc((0 * (sizeof(int)))));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":685
- *         result = <int*> malloc(0*sizeof(int))
- * 
- *         i1 = low1             # <<<<<<<<<<<<<<
- *         i2 = low2
- *         while i1 < high1 and i2 < high2:
- */
-  __pyx_v_i1 = __pyx_v_low1;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":686
- * 
- *         i1 = low1
- *         i2 = low2             # <<<<<<<<<<<<<<
- *         while i1 < high1 and i2 < high2:
- * 
- */
-  __pyx_v_i2 = __pyx_v_low2;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":687
- *         i1 = low1
- *         i2 = low2
- *         while i1 < high1 and i2 < high2:             # <<<<<<<<<<<<<<
- * 
- *             # First, pop all unneeded loc2's off the stack
- */
-  while (1) {
-    __pyx_t_1 = (__pyx_v_i1 < __pyx_v_high1);
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-      __pyx_t_2 = (__pyx_v_i2 < __pyx_v_high2);
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-    if (!__pyx_t_3) break;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":690
- * 
- *             # First, pop all unneeded loc2's off the stack
- *             assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
- *             while i2 < high2:
- *                 assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
- */
-    __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":691
- *             # First, pop all unneeded loc2's off the stack
- *             assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
- *             while i2 < high2:             # <<<<<<<<<<<<<<
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-
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-
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- *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
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-
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-
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- *             # rule X -> X_1 w X_2 / X_1 X_2.    This is probably
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- *             return 0             # <<<<<<<<<<<<<<
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-
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- *             if e_in_low - e_low[0] < min_ex_size:             # <<<<<<<<<<<<<<
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- *                 if e_low[0] < 0:             # <<<<<<<<<<<<<<
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- */
-      __pyx_t_5 = ((__pyx_v_e_low[0]) < 0);
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-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1160
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- *                 if e_low[0] < 0:
- *                     return 0             # <<<<<<<<<<<<<<
- * 
- *         if e_high[0] - e_low[0] > max_e_len:
- */
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-  __pyx_L3:;
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1162
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- *         if e_high[0] - e_low[0] > max_e_len:             # <<<<<<<<<<<<<<
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- */
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-
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- *         elif e_in_high != -1 and e_high[0] != e_in_high:             # <<<<<<<<<<<<<<
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- */
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- *             if e_high[0] - e_in_high < min_ex_size:
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- *                     return 0
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-      __pyx_t_4 = ((__pyx_v_e_high[0]) > __pyx_v_e_sent_len);
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- *                     return 0             # <<<<<<<<<<<<<<
- * 
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- * 
- */
-      __pyx_t_2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_e_low[0]), __pyx_v_e_low_prev, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1183; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_2);
-      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1184
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- *                 self.find_projection(e_high_prev, e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)             # <<<<<<<<<<<<<<
- * 
- *             if f_back_low[0] > f_low:
- */
-      __pyx_t_2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_e_high_prev, (__pyx_v_e_high[0]), __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1184; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_2);
-      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    }
-    __pyx_L11:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1186
- *                 self.find_projection(e_high_prev, e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)
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- *             if f_back_low[0] > f_low:             # <<<<<<<<<<<<<<
- *                 f_back_low[0] = f_low
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1187
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- *             if f_back_low[0] > f_low:
- *                 f_back_low[0] = f_low             # <<<<<<<<<<<<<<
- * 
- *             if f_back_high[0] < f_high:
- */
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-      goto __pyx_L12;
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-    __pyx_L12:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1189
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- */
-    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_6 = PyObject_RichCompare(__pyx_t_2, __pyx_v_f_high, Py_LT); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_6);
-    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
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-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1190
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- *             if f_back_high[0] < f_high:
- *                 f_back_high[0] = f_high             # <<<<<<<<<<<<<<
- * 
- *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:
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-      __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      (__pyx_v_f_back_high[0]) = __pyx_t_1;
-      goto __pyx_L13;
-    }
-    __pyx_L13:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1192
- *                 f_back_high[0] = f_high
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- *                 return 1
- * 
- */
-    __pyx_t_4 = ((__pyx_v_f_back_low[0]) == __pyx_v_f_low_prev);
-    if (__pyx_t_4) {
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-      __pyx_t_3 = __pyx_t_5;
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-      __pyx_t_3 = __pyx_t_4;
-    }
-    if (__pyx_t_3) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1193
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- *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:
- *                 return 1             # <<<<<<<<<<<<<<
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- *             if allow_low_x == 0 and f_back_low[0] < f_low:
- */
-      __pyx_r = 1;
-      goto __pyx_L0;
-      goto __pyx_L14;
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-    __pyx_L14:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1195
- *                 return 1
- * 
- *             if allow_low_x == 0 and f_back_low[0] < f_low:             # <<<<<<<<<<<<<<
- *                 # FAIL: f phrase is not tight
- *                 return 0
- */
-    __pyx_t_3 = (__pyx_v_allow_low_x == 0);
-    if (__pyx_t_3) {
-      __pyx_t_4 = ((__pyx_v_f_back_low[0]) < __pyx_v_f_low);
-      __pyx_t_5 = __pyx_t_4;
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-      __pyx_t_5 = __pyx_t_3;
-    }
-    if (__pyx_t_5) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1197
- *             if allow_low_x == 0 and f_back_low[0] < f_low:
- *                 # FAIL: f phrase is not tight
- *                 return 0             # <<<<<<<<<<<<<<
- * 
- *             if f_back_high[0] - f_back_low[0] > max_f_len:
- */
-      __pyx_r = 0;
-      goto __pyx_L0;
-      goto __pyx_L15;
-    }
-    __pyx_L15:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1199
- *                 return 0
- * 
- *             if f_back_high[0] - f_back_low[0] > max_f_len:             # <<<<<<<<<<<<<<
- *                 # FAIL: f back projection is too wide
- *                 return 0
- */
-    __pyx_t_5 = (((__pyx_v_f_back_high[0]) - (__pyx_v_f_back_low[0])) > __pyx_v_max_f_len);
-    if (__pyx_t_5) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1201
- *             if f_back_high[0] - f_back_low[0] > max_f_len:
- *                 # FAIL: f back projection is too wide
- *                 return 0             # <<<<<<<<<<<<<<
- * 
- *             if allow_high_x == 0 and f_back_high[0] > f_high:
- */
-      __pyx_r = 0;
-      goto __pyx_L0;
-      goto __pyx_L16;
-    }
-    __pyx_L16:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1203
- *                 return 0
- * 
- *             if allow_high_x == 0 and f_back_high[0] > f_high:             # <<<<<<<<<<<<<<
- *                 # FAIL: extension on high side not allowed
- *                 return 0
- */
-    __pyx_t_5 = (__pyx_v_allow_high_x == 0);
-    if (__pyx_t_5) {
-      __pyx_t_6 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_6);
-      __pyx_t_2 = PyObject_RichCompare(__pyx_t_6, __pyx_v_f_high, Py_GT); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_2);
-      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-      __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-      __pyx_t_4 = __pyx_t_3;
-    } else {
-      __pyx_t_4 = __pyx_t_5;
-    }
-    if (__pyx_t_4) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1205
- *             if allow_high_x == 0 and f_back_high[0] > f_high:
- *                 # FAIL: extension on high side not allowed
- *                 return 0             # <<<<<<<<<<<<<<
- * 
- *             if f_low != f_back_low[0]:
- */
-      __pyx_r = 0;
-      goto __pyx_L0;
-      goto __pyx_L17;
-    }
-    __pyx_L17:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1207
- *                 return 0
- * 
- *             if f_low != f_back_low[0]:             # <<<<<<<<<<<<<<
- *                 if new_low_x == 0:
- *                     if new_x >= max_new_x:
- */
-    __pyx_t_4 = (__pyx_v_f_low != (__pyx_v_f_back_low[0]));
-    if (__pyx_t_4) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1208
- * 
- *             if f_low != f_back_low[0]:
- *                 if new_low_x == 0:             # <<<<<<<<<<<<<<
- *                     if new_x >= max_new_x:
- *                         # FAIL: extension required on low side violates max # of gaps
- */
-      __pyx_t_4 = (__pyx_v_new_low_x == 0);
-      if (__pyx_t_4) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1209
- *             if f_low != f_back_low[0]:
- *                 if new_low_x == 0:
- *                     if new_x >= max_new_x:             # <<<<<<<<<<<<<<
- *                         # FAIL: extension required on low side violates max # of gaps
- *                         return 0
- */
-        __pyx_t_4 = (__pyx_v_new_x >= __pyx_v_max_new_x);
-        if (__pyx_t_4) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1211
- *                     if new_x >= max_new_x:
- *                         # FAIL: extension required on low side violates max # of gaps
- *                         return 0             # <<<<<<<<<<<<<<
- *                     else:
- *                         new_x = new_x + 1
- */
-          __pyx_r = 0;
-          goto __pyx_L0;
-          goto __pyx_L20;
-        }
-        /*else*/ {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1213
- *                         return 0
- *                     else:
- *                         new_x = new_x + 1             # <<<<<<<<<<<<<<
- *                         new_low_x = 1
- *                 if f_low - f_back_low[0] < min_fx_size:
- */
-          __pyx_v_new_x = (__pyx_v_new_x + 1);
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1214
- *                     else:
- *                         new_x = new_x + 1
- *                         new_low_x = 1             # <<<<<<<<<<<<<<
- *                 if f_low - f_back_low[0] < min_fx_size:
- *                     f_back_low[0] = f_low - min_fx_size
- */
-          __pyx_v_new_low_x = 1;
-        }
-        __pyx_L20:;
-        goto __pyx_L19;
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-      __pyx_L19:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1215
- *                         new_x = new_x + 1
- *                         new_low_x = 1
- *                 if f_low - f_back_low[0] < min_fx_size:             # <<<<<<<<<<<<<<
- *                     f_back_low[0] = f_low - min_fx_size
- *                     if f_back_high[0] - f_back_low[0] > max_f_len:
- */
-      __pyx_t_4 = ((__pyx_v_f_low - (__pyx_v_f_back_low[0])) < __pyx_v_min_fx_size);
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-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1216
- *                         new_low_x = 1
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- *                     f_back_low[0] = f_low - min_fx_size             # <<<<<<<<<<<<<<
- *                     if f_back_high[0] - f_back_low[0] > max_f_len:
- *                         # FAIL: extension required on low side violates max initial length
- */
-        (__pyx_v_f_back_low[0]) = (__pyx_v_f_low - __pyx_v_min_fx_size);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1217
- *                 if f_low - f_back_low[0] < min_fx_size:
- *                     f_back_low[0] = f_low - min_fx_size
- *                     if f_back_high[0] - f_back_low[0] > max_f_len:             # <<<<<<<<<<<<<<
- *                         # FAIL: extension required on low side violates max initial length
- *                         return 0
- */
-        __pyx_t_4 = (((__pyx_v_f_back_high[0]) - (__pyx_v_f_back_low[0])) > __pyx_v_max_f_len);
-        if (__pyx_t_4) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1219
- *                     if f_back_high[0] - f_back_low[0] > max_f_len:
- *                         # FAIL: extension required on low side violates max initial length
- *                         return 0             # <<<<<<<<<<<<<<
- *                     if f_back_low[0] < 0:
- *                         # FAIL: extension required on low side violates sentence boundary
- */
-          __pyx_r = 0;
-          goto __pyx_L0;
-          goto __pyx_L22;
-        }
-        __pyx_L22:;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1220
- *                         # FAIL: extension required on low side violates max initial length
- *                         return 0
- *                     if f_back_low[0] < 0:             # <<<<<<<<<<<<<<
- *                         # FAIL: extension required on low side violates sentence boundary
- *                         return 0
- */
-        __pyx_t_4 = ((__pyx_v_f_back_low[0]) < 0);
-        if (__pyx_t_4) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1222
- *                     if f_back_low[0] < 0:
- *                         # FAIL: extension required on low side violates sentence boundary
- *                         return 0             # <<<<<<<<<<<<<<
- * 
- *             if f_high != f_back_high[0]:
- */
-          __pyx_r = 0;
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-          goto __pyx_L23;
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-        __pyx_L23:;
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-      __pyx_L21:;
-      goto __pyx_L18;
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-    __pyx_L18:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1224
- *                         return 0
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- *             if f_high != f_back_high[0]:             # <<<<<<<<<<<<<<
- *                 if new_high_x == 0:
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- */
-    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1224; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __pyx_t_6 = PyObject_RichCompare(__pyx_v_f_high, __pyx_t_2, Py_NE); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1224; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1224; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-    if (__pyx_t_4) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1225
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- *             if f_high != f_back_high[0]:
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- *                     if new_x >= max_new_x:
- *                         # FAIL: extension required on high side violates max # of gaps
- */
-      __pyx_t_4 = (__pyx_v_new_high_x == 0);
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-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1226
- *             if f_high != f_back_high[0]:
- *                 if new_high_x == 0:
- *                     if new_x >= max_new_x:             # <<<<<<<<<<<<<<
- *                         # FAIL: extension required on high side violates max # of gaps
- *                         return 0
- */
-        __pyx_t_4 = (__pyx_v_new_x >= __pyx_v_max_new_x);
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-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1228
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- *                         # FAIL: extension required on high side violates max # of gaps
- *                         return 0             # <<<<<<<<<<<<<<
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- */
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-        /*else*/ {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1230
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- *                         new_high_x = 1
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- */
-          __pyx_v_new_x = (__pyx_v_new_x + 1);
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1231
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- *                 if f_back_high[0] - f_high < min_fx_size:
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-
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- */
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- *                         # FAIL: extension required on high side violates max initial length
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- *                         # FAIL: extension required on high side violates max initial length
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- *                     if f_back_high[0] > f_sent_len:             # <<<<<<<<<<<<<<
- *                         # FAIL: extension required on high side violates sentence boundary
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-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1239
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- *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)
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-  int __pyx_v_step;
-  int __pyx_v_num_chunks;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_ephr_arr = 0;
-  PyObject *__pyx_v_result = 0;
-  PyObject *__pyx_v_indexes = NULL;
-  PyObject *__pyx_r = NULL;
-  __Pyx_RefNannyDeclarations
-  PyObject *__pyx_t_1 = NULL;
-  int __pyx_t_2;
-  int __pyx_t_3;
-  int __pyx_t_4;
-  int __pyx_t_5;
-  int __pyx_t_6;
-  int __pyx_t_7;
-  int __pyx_t_8;
-  long __pyx_t_9;
-  int __pyx_t_10;
-  PyObject *__pyx_t_11 = NULL;
-  int __pyx_lineno = 0;
-  const char *__pyx_filename = NULL;
-  int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("extract_phrases", 0);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1286
- *         cdef result
- * 
- *         result = []             # <<<<<<<<<<<<<<
- *         len1 = 0
- *         e_gaps1 = <int*> malloc(0)
- */
-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1286; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  __pyx_v_result = ((PyObject *)__pyx_t_1);
-  __pyx_t_1 = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1287
- * 
- *         result = []
- *         len1 = 0             # <<<<<<<<<<<<<<
- *         e_gaps1 = <int*> malloc(0)
- *         ephr_arr = IntList()
- */
-  __pyx_v_len1 = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1288
- *         result = []
- *         len1 = 0
- *         e_gaps1 = <int*> malloc(0)             # <<<<<<<<<<<<<<
- *         ephr_arr = IntList()
- * 
- */
-  __pyx_v_e_gaps1 = ((int *)malloc(0));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1289
- *         len1 = 0
- *         e_gaps1 = <int*> malloc(0)
- *         ephr_arr = IntList()             # <<<<<<<<<<<<<<
- * 
- *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
- */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1289; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
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-  __pyx_t_1 = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1291
- *         ephr_arr = IntList()
- * 
- *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))             # <<<<<<<<<<<<<<
- *         if num_gaps > 0:
- *             e_gap_order[0] = 0
- */
-  __pyx_v_e_gap_order = ((int *)malloc((__pyx_v_num_gaps * (sizeof(int)))));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1292
- * 
- *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
- *         if num_gaps > 0:             # <<<<<<<<<<<<<<
- *             e_gap_order[0] = 0
- *             for i from 1 <= i < num_gaps:
- */
-  __pyx_t_2 = (__pyx_v_num_gaps > 0);
-  if (__pyx_t_2) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1293
- *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
- *         if num_gaps > 0:
- *             e_gap_order[0] = 0             # <<<<<<<<<<<<<<
- *             for i from 1 <= i < num_gaps:
- *                 for j from 0 <= j < i:
- */
-    (__pyx_v_e_gap_order[0]) = 0;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1294
- *         if num_gaps > 0:
- *             e_gap_order[0] = 0
- *             for i from 1 <= i < num_gaps:             # <<<<<<<<<<<<<<
- *                 for j from 0 <= j < i:
- *                     if e_gap_low[i] < e_gap_low[j]:
- */
-    __pyx_t_3 = __pyx_v_num_gaps;
-    for (__pyx_v_i = 1; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1295
- *             e_gap_order[0] = 0
- *             for i from 1 <= i < num_gaps:
- *                 for j from 0 <= j < i:             # <<<<<<<<<<<<<<
- *                     if e_gap_low[i] < e_gap_low[j]:
- *                         for k from j <= k < i:
- */
-      __pyx_t_4 = __pyx_v_i;
-      for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_4; __pyx_v_j++) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1296
- *             for i from 1 <= i < num_gaps:
- *                 for j from 0 <= j < i:
- *                     if e_gap_low[i] < e_gap_low[j]:             # <<<<<<<<<<<<<<
- *                         for k from j <= k < i:
- *                             e_gap_order[k+1] = e_gap_order[k]
- */
-        __pyx_t_2 = ((__pyx_v_e_gap_low[__pyx_v_i]) < (__pyx_v_e_gap_low[__pyx_v_j]));
-        if (__pyx_t_2) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1297
- *                 for j from 0 <= j < i:
- *                     if e_gap_low[i] < e_gap_low[j]:
- *                         for k from j <= k < i:             # <<<<<<<<<<<<<<
- *                             e_gap_order[k+1] = e_gap_order[k]
- *                         e_gap_order[j] = i
- */
-          __pyx_t_5 = __pyx_v_i;
-          for (__pyx_v_k = __pyx_v_j; __pyx_v_k < __pyx_t_5; __pyx_v_k++) {
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1298
- *                     if e_gap_low[i] < e_gap_low[j]:
- *                         for k from j <= k < i:
- *                             e_gap_order[k+1] = e_gap_order[k]             # <<<<<<<<<<<<<<
- *                         e_gap_order[j] = i
- *                         break
- */
-            (__pyx_v_e_gap_order[(__pyx_v_k + 1)]) = (__pyx_v_e_gap_order[__pyx_v_k]);
-          }
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1299
- *                         for k from j <= k < i:
- *                             e_gap_order[k+1] = e_gap_order[k]
- *                         e_gap_order[j] = i             # <<<<<<<<<<<<<<
- *                         break
- *                 else:
- */
-          (__pyx_v_e_gap_order[__pyx_v_j]) = __pyx_v_i;
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1300
- *                             e_gap_order[k+1] = e_gap_order[k]
- *                         e_gap_order[j] = i
- *                         break             # <<<<<<<<<<<<<<
- *                 else:
- *                     e_gap_order[i] = i
- */
-          goto __pyx_L7_break;
-          goto __pyx_L8;
-        }
-        __pyx_L8:;
-      }
-      /*else*/ {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1302
- *                         break
- *                 else:
- *                     e_gap_order[i] = i             # <<<<<<<<<<<<<<
- * 
- *         e_x_low = e_low
- */
-        (__pyx_v_e_gap_order[__pyx_v_i]) = __pyx_v_i;
-      }
-      __pyx_L7_break:;
-    }
-    goto __pyx_L3;
-  }
-  __pyx_L3:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1304
- *                     e_gap_order[i] = i
- * 
- *         e_x_low = e_low             # <<<<<<<<<<<<<<
- *         e_x_high = e_high
- *         if self.tight_phrases == 0:
- */
-  __pyx_v_e_x_low = __pyx_v_e_low;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1305
- * 
- *         e_x_low = e_low
- *         e_x_high = e_high             # <<<<<<<<<<<<<<
- *         if self.tight_phrases == 0:
- *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:
- */
-  __pyx_v_e_x_high = __pyx_v_e_high;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1306
- *         e_x_low = e_low
- *         e_x_high = e_high
- *         if self.tight_phrases == 0:             # <<<<<<<<<<<<<<
- *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:
- *                 e_x_low = e_x_low - 1
- */
-  __pyx_t_2 = (__pyx_v_self->tight_phrases == 0);
-  if (__pyx_t_2) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1307
- *         e_x_high = e_high
- *         if self.tight_phrases == 0:
- *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:             # <<<<<<<<<<<<<<
- *                 e_x_low = e_x_low - 1
- *             while e_x_high < e_sent_len and e_x_high - e_low < self.train_max_initial_size and e_links_low[e_x_high] == -1:
- */
-    while (1) {
-      __pyx_t_2 = (__pyx_v_e_x_low > 0);
-      if (__pyx_t_2) {
-        __pyx_t_6 = ((__pyx_v_e_high - __pyx_v_e_x_low) < __pyx_v_self->train_max_initial_size);
-        if (__pyx_t_6) {
-          __pyx_t_7 = ((__pyx_v_e_links_low[(__pyx_v_e_x_low - 1)]) == -1);
-          __pyx_t_8 = __pyx_t_7;
-        } else {
-          __pyx_t_8 = __pyx_t_6;
-        }
-        __pyx_t_6 = __pyx_t_8;
-      } else {
-        __pyx_t_6 = __pyx_t_2;
-      }
-      if (!__pyx_t_6) break;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1308
- *         if self.tight_phrases == 0:
- *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:
- *                 e_x_low = e_x_low - 1             # <<<<<<<<<<<<<<
- *             while e_x_high < e_sent_len and e_x_high - e_low < self.train_max_initial_size and e_links_low[e_x_high] == -1:
- *                 e_x_high = e_x_high + 1
- */
-      __pyx_v_e_x_low = (__pyx_v_e_x_low - 1);
-    }
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1309
- *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:
- *                 e_x_low = e_x_low - 1
- *             while e_x_high < e_sent_len and e_x_high - e_low < self.train_max_initial_size and e_links_low[e_x_high] == -1:             # <<<<<<<<<<<<<<
- *                 e_x_high = e_x_high + 1
- * 
- */
-    while (1) {
-      __pyx_t_6 = (__pyx_v_e_x_high < __pyx_v_e_sent_len);
-      if (__pyx_t_6) {
-        __pyx_t_2 = ((__pyx_v_e_x_high - __pyx_v_e_low) < __pyx_v_self->train_max_initial_size);
-        if (__pyx_t_2) {
-          __pyx_t_8 = ((__pyx_v_e_links_low[__pyx_v_e_x_high]) == -1);
-          __pyx_t_7 = __pyx_t_8;
-        } else {
-          __pyx_t_7 = __pyx_t_2;
-        }
-        __pyx_t_2 = __pyx_t_7;
-      } else {
-        __pyx_t_2 = __pyx_t_6;
-      }
-      if (!__pyx_t_2) break;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1310
- *                 e_x_low = e_x_low - 1
- *             while e_x_high < e_sent_len and e_x_high - e_low < self.train_max_initial_size and e_links_low[e_x_high] == -1:
- *                 e_x_high = e_x_high + 1             # <<<<<<<<<<<<<<
- * 
- *         for i from e_x_low <= i <= e_low:
- */
-      __pyx_v_e_x_high = (__pyx_v_e_x_high + 1);
-    }
-    goto __pyx_L11;
-  }
-  __pyx_L11:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1312
- *                 e_x_high = e_x_high + 1
- * 
- *         for i from e_x_low <= i <= e_low:             # <<<<<<<<<<<<<<
- *             e_gaps1 = self.int_arr_extend(e_gaps1, &len1, &i, 1)
- * 
- */
-  __pyx_t_3 = __pyx_v_e_low;
-  for (__pyx_v_i = __pyx_v_e_x_low; __pyx_v_i <= __pyx_t_3; __pyx_v_i++) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1313
- * 
- *         for i from e_x_low <= i <= e_low:
- *             e_gaps1 = self.int_arr_extend(e_gaps1, &len1, &i, 1)             # <<<<<<<<<<<<<<
- * 
- *         for i from 0 <= i < num_gaps:
- */
-    __pyx_v_e_gaps1 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps1, (&__pyx_v_len1), (&__pyx_v_i), 1);
-  }
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1315
- *             e_gaps1 = self.int_arr_extend(e_gaps1, &len1, &i, 1)
- * 
- *         for i from 0 <= i < num_gaps:             # <<<<<<<<<<<<<<
- *             e_gaps2 = <int*> malloc(0)
- *             len2 = 0
- */
-  __pyx_t_3 = __pyx_v_num_gaps;
-  for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1316
- * 
- *         for i from 0 <= i < num_gaps:
- *             e_gaps2 = <int*> malloc(0)             # <<<<<<<<<<<<<<
- *             len2 = 0
- * 
- */
-    __pyx_v_e_gaps2 = ((int *)malloc(0));
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1317
- *         for i from 0 <= i < num_gaps:
- *             e_gaps2 = <int*> malloc(0)
- *             len2 = 0             # <<<<<<<<<<<<<<
- * 
- *             j = e_gap_order[i]
- */
-    __pyx_v_len2 = 0;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1319
- *             len2 = 0
- * 
- *             j = e_gap_order[i]             # <<<<<<<<<<<<<<
- *             e_x_gap_low = e_gap_low[j]
- *             e_x_gap_high = e_gap_high[j]
- */
-    __pyx_v_j = (__pyx_v_e_gap_order[__pyx_v_i]);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1320
- * 
- *             j = e_gap_order[i]
- *             e_x_gap_low = e_gap_low[j]             # <<<<<<<<<<<<<<
- *             e_x_gap_high = e_gap_high[j]
- *             if self.tight_phrases == 0:
- */
-    __pyx_v_e_x_gap_low = (__pyx_v_e_gap_low[__pyx_v_j]);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1321
- *             j = e_gap_order[i]
- *             e_x_gap_low = e_gap_low[j]
- *             e_x_gap_high = e_gap_high[j]             # <<<<<<<<<<<<<<
- *             if self.tight_phrases == 0:
- *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:
- */
-    __pyx_v_e_x_gap_high = (__pyx_v_e_gap_high[__pyx_v_j]);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1322
- *             e_x_gap_low = e_gap_low[j]
- *             e_x_gap_high = e_gap_high[j]
- *             if self.tight_phrases == 0:             # <<<<<<<<<<<<<<
- *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:
- *                     e_x_gap_low = e_x_gap_low - 1
- */
-    __pyx_t_2 = (__pyx_v_self->tight_phrases == 0);
-    if (__pyx_t_2) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1323
- *             e_x_gap_high = e_gap_high[j]
- *             if self.tight_phrases == 0:
- *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:             # <<<<<<<<<<<<<<
- *                     e_x_gap_low = e_x_gap_low - 1
- *                 while e_x_gap_high < e_x_high and e_links_low[e_x_gap_high] == -1:
- */
-      while (1) {
-        __pyx_t_2 = (__pyx_v_e_x_gap_low > __pyx_v_e_x_low);
-        if (__pyx_t_2) {
-          __pyx_t_6 = ((__pyx_v_e_links_low[(__pyx_v_e_x_gap_low - 1)]) == -1);
-          __pyx_t_7 = __pyx_t_6;
-        } else {
-          __pyx_t_7 = __pyx_t_2;
-        }
-        if (!__pyx_t_7) break;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1324
- *             if self.tight_phrases == 0:
- *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:
- *                     e_x_gap_low = e_x_gap_low - 1             # <<<<<<<<<<<<<<
- *                 while e_x_gap_high < e_x_high and e_links_low[e_x_gap_high] == -1:
- *                     e_x_gap_high = e_x_gap_high + 1
- */
-        __pyx_v_e_x_gap_low = (__pyx_v_e_x_gap_low - 1);
-      }
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1325
- *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:
- *                     e_x_gap_low = e_x_gap_low - 1
- *                 while e_x_gap_high < e_x_high and e_links_low[e_x_gap_high] == -1:             # <<<<<<<<<<<<<<
- *                     e_x_gap_high = e_x_gap_high + 1
- * 
- */
-      while (1) {
-        __pyx_t_7 = (__pyx_v_e_x_gap_high < __pyx_v_e_x_high);
-        if (__pyx_t_7) {
-          __pyx_t_2 = ((__pyx_v_e_links_low[__pyx_v_e_x_gap_high]) == -1);
-          __pyx_t_6 = __pyx_t_2;
-        } else {
-          __pyx_t_6 = __pyx_t_7;
-        }
-        if (!__pyx_t_6) break;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1326
- *                     e_x_gap_low = e_x_gap_low - 1
- *                 while e_x_gap_high < e_x_high and e_links_low[e_x_gap_high] == -1:
- *                     e_x_gap_high = e_x_gap_high + 1             # <<<<<<<<<<<<<<
- * 
- *             k = 0
- */
-        __pyx_v_e_x_gap_high = (__pyx_v_e_x_gap_high + 1);
-      }
-      goto __pyx_L20;
-    }
-    __pyx_L20:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1328
- *                     e_x_gap_high = e_x_gap_high + 1
- * 
- *             k = 0             # <<<<<<<<<<<<<<
- *             step = 1+(i*2)
- *             while k < len1:
- */
-    __pyx_v_k = 0;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1329
- * 
- *             k = 0
- *             step = 1+(i*2)             # <<<<<<<<<<<<<<
- *             while k < len1:
- *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
- */
-    __pyx_v_step = (1 + (__pyx_v_i * 2));
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1330
- *             k = 0
- *             step = 1+(i*2)
- *             while k < len1:             # <<<<<<<<<<<<<<
- *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
- *                     if m >= e_gaps1[k+step-1]:
- */
-    while (1) {
-      __pyx_t_6 = (__pyx_v_k < __pyx_v_len1);
-      if (!__pyx_t_6) break;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1331
- *             step = 1+(i*2)
- *             while k < len1:
- *                 for m from e_x_gap_low <= m <= e_gap_low[j]:             # <<<<<<<<<<<<<<
- *                     if m >= e_gaps1[k+step-1]:
- *                         for n from e_gap_high[j] <= n <= e_x_gap_high:
- */
-      __pyx_t_4 = (__pyx_v_e_gap_low[__pyx_v_j]);
-      for (__pyx_v_m = __pyx_v_e_x_gap_low; __pyx_v_m <= __pyx_t_4; __pyx_v_m++) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1332
- *             while k < len1:
- *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
- *                     if m >= e_gaps1[k+step-1]:             # <<<<<<<<<<<<<<
- *                         for n from e_gap_high[j] <= n <= e_x_gap_high:
- *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length
- */
-        __pyx_t_6 = (__pyx_v_m >= (__pyx_v_e_gaps1[((__pyx_v_k + __pyx_v_step) - 1)]));
-        if (__pyx_t_6) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1333
- *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
- *                     if m >= e_gaps1[k+step-1]:
- *                         for n from e_gap_high[j] <= n <= e_x_gap_high:             # <<<<<<<<<<<<<<
- *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)
- */
-          __pyx_t_5 = __pyx_v_e_x_gap_high;
-          for (__pyx_v_n = (__pyx_v_e_gap_high[__pyx_v_j]); __pyx_v_n <= __pyx_t_5; __pyx_v_n++) {
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1334
- *                     if m >= e_gaps1[k+step-1]:
- *                         for n from e_gap_high[j] <= n <= e_x_gap_high:
- *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length             # <<<<<<<<<<<<<<
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
- */
-            __pyx_t_6 = ((__pyx_v_n - __pyx_v_m) >= 1);
-            if (__pyx_t_6) {
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1335
- *                         for n from e_gap_high[j] <= n <= e_x_gap_high:
- *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)             # <<<<<<<<<<<<<<
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
- */
-              __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (__pyx_v_e_gaps1 + __pyx_v_k), __pyx_v_step);
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1336
- *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)             # <<<<<<<<<<<<<<
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
- *                 k = k + step
- */
-              __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_m), 1);
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1337
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)             # <<<<<<<<<<<<<<
- *                 k = k + step
- *             free(e_gaps1)
- */
-              __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_n), 1);
-              goto __pyx_L32;
-            }
-            __pyx_L32:;
-          }
-          goto __pyx_L29;
-        }
-        __pyx_L29:;
-      }
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1338
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
- *                 k = k + step             # <<<<<<<<<<<<<<
- *             free(e_gaps1)
- *             e_gaps1 = e_gaps2
- */
-      __pyx_v_k = (__pyx_v_k + __pyx_v_step);
-    }
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1339
- *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
- *                 k = k + step
- *             free(e_gaps1)             # <<<<<<<<<<<<<<
- *             e_gaps1 = e_gaps2
- *             len1 = len2
- */
-    free(__pyx_v_e_gaps1);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1340
- *                 k = k + step
- *             free(e_gaps1)
- *             e_gaps1 = e_gaps2             # <<<<<<<<<<<<<<
- *             len1 = len2
- * 
- */
-    __pyx_v_e_gaps1 = __pyx_v_e_gaps2;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1341
- *             free(e_gaps1)
- *             e_gaps1 = e_gaps2
- *             len1 = len2             # <<<<<<<<<<<<<<
- * 
- *         step = 1+(num_gaps*2)
- */
-    __pyx_v_len1 = __pyx_v_len2;
-  }
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1343
- *             len1 = len2
- * 
- *         step = 1+(num_gaps*2)             # <<<<<<<<<<<<<<
- *         e_gaps2 = <int*> malloc(0)
- *         len2 = 0
- */
-  __pyx_v_step = (1 + (__pyx_v_num_gaps * 2));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1344
- * 
- *         step = 1+(num_gaps*2)
- *         e_gaps2 = <int*> malloc(0)             # <<<<<<<<<<<<<<
- *         len2 = 0
- *         for i from e_high <= i <= e_x_high:
- */
-  __pyx_v_e_gaps2 = ((int *)malloc(0));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1345
- *         step = 1+(num_gaps*2)
- *         e_gaps2 = <int*> malloc(0)
- *         len2 = 0             # <<<<<<<<<<<<<<
- *         for i from e_high <= i <= e_x_high:
- *             j = 0
- */
-  __pyx_v_len2 = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1346
- *         e_gaps2 = <int*> malloc(0)
- *         len2 = 0
- *         for i from e_high <= i <= e_x_high:             # <<<<<<<<<<<<<<
- *             j = 0
- *             while j < len1:
- */
-  __pyx_t_3 = __pyx_v_e_x_high;
-  for (__pyx_v_i = __pyx_v_e_high; __pyx_v_i <= __pyx_t_3; __pyx_v_i++) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1347
- *         len2 = 0
- *         for i from e_high <= i <= e_x_high:
- *             j = 0             # <<<<<<<<<<<<<<
- *             while j < len1:
- *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:
- */
-    __pyx_v_j = 0;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1348
- *         for i from e_high <= i <= e_x_high:
- *             j = 0
- *             while j < len1:             # <<<<<<<<<<<<<<
- *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:
- *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)
- */
-    while (1) {
-      __pyx_t_6 = (__pyx_v_j < __pyx_v_len1);
-      if (!__pyx_t_6) break;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1349
- *             j = 0
- *             while j < len1:
- *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:             # <<<<<<<<<<<<<<
- *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)
- *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
- */
-      __pyx_t_6 = ((__pyx_v_i - (__pyx_v_e_gaps1[__pyx_v_j])) <= __pyx_v_self->train_max_initial_size);
-      if (__pyx_t_6) {
-        __pyx_t_7 = (__pyx_v_i >= (__pyx_v_e_gaps1[((__pyx_v_j + __pyx_v_step) - 1)]));
-        __pyx_t_2 = __pyx_t_7;
-      } else {
-        __pyx_t_2 = __pyx_t_6;
-      }
-      if (__pyx_t_2) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1350
- *             while j < len1:
- *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:
- *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)             # <<<<<<<<<<<<<<
- *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
- *                 j = j + step
- */
-        __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (__pyx_v_e_gaps1 + __pyx_v_j), __pyx_v_step);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1351
- *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:
- *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)
- *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)             # <<<<<<<<<<<<<<
- *                 j = j + step
- *         free(e_gaps1)
- */
-        __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_i), 1);
-        goto __pyx_L37;
-      }
-      __pyx_L37:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1352
- *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)
- *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
- *                 j = j + step             # <<<<<<<<<<<<<<
- *         free(e_gaps1)
- *         e_gaps1 = e_gaps2
- */
-      __pyx_v_j = (__pyx_v_j + __pyx_v_step);
-    }
-  }
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1353
- *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
- *                 j = j + step
- *         free(e_gaps1)             # <<<<<<<<<<<<<<
- *         e_gaps1 = e_gaps2
- *         len1 = len2
- */
-  free(__pyx_v_e_gaps1);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1354
- *                 j = j + step
- *         free(e_gaps1)
- *         e_gaps1 = e_gaps2             # <<<<<<<<<<<<<<
- *         len1 = len2
- * 
- */
-  __pyx_v_e_gaps1 = __pyx_v_e_gaps2;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1355
- *         free(e_gaps1)
- *         e_gaps1 = e_gaps2
- *         len1 = len2             # <<<<<<<<<<<<<<
- * 
- *         step = (num_gaps+1)*2
- */
-  __pyx_v_len1 = __pyx_v_len2;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1357
- *         len1 = len2
- * 
- *         step = (num_gaps+1)*2             # <<<<<<<<<<<<<<
- *         i = 0
- * 
- */
-  __pyx_v_step = ((__pyx_v_num_gaps + 1) * 2);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1358
- * 
- *         step = (num_gaps+1)*2
- *         i = 0             # <<<<<<<<<<<<<<
- * 
- *         while i < len1:
- */
-  __pyx_v_i = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1360
- *         i = 0
- * 
- *         while i < len1:             # <<<<<<<<<<<<<<
- *             ephr_arr._clear()
- *             num_chunks = 0
- */
-  while (1) {
-    __pyx_t_2 = (__pyx_v_i < __pyx_v_len1);
-    if (!__pyx_t_2) break;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1361
- * 
- *         while i < len1:
- *             ephr_arr._clear()             # <<<<<<<<<<<<<<
- *             num_chunks = 0
- *             indexes = []
- */
-    ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_ephr_arr->__pyx_vtab)->_clear(__pyx_v_ephr_arr);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1362
- *         while i < len1:
- *             ephr_arr._clear()
- *             num_chunks = 0             # <<<<<<<<<<<<<<
- *             indexes = []
- *             for j from 0 <= j < num_gaps+1:
- */
-    __pyx_v_num_chunks = 0;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1363
- *             ephr_arr._clear()
- *             num_chunks = 0
- *             indexes = []             # <<<<<<<<<<<<<<
- *             for j from 0 <= j < num_gaps+1:
- *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:
- */
-    __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1363; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_1);
-    __Pyx_XDECREF(((PyObject *)__pyx_v_indexes));
-    __pyx_v_indexes = __pyx_t_1;
-    __pyx_t_1 = 0;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1364
- *             num_chunks = 0
- *             indexes = []
- *             for j from 0 <= j < num_gaps+1:             # <<<<<<<<<<<<<<
- *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:
- *                     num_chunks = num_chunks + 1
- */
-    __pyx_t_9 = (__pyx_v_num_gaps + 1);
-    for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_9; __pyx_v_j++) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1365
- *             indexes = []
- *             for j from 0 <= j < num_gaps+1:
- *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:             # <<<<<<<<<<<<<<
- *                     num_chunks = num_chunks + 1
- *                 for k from e_gaps1[i+2*j] <= k < e_gaps1[i+(2*j)+1]:
- */
-      __pyx_t_2 = ((__pyx_v_e_gaps1[(__pyx_v_i + (2 * __pyx_v_j))]) < (__pyx_v_e_gaps1[((__pyx_v_i + (2 * __pyx_v_j)) + 1)]));
-      if (__pyx_t_2) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1366
- *             for j from 0 <= j < num_gaps+1:
- *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:
- *                     num_chunks = num_chunks + 1             # <<<<<<<<<<<<<<
- *                 for k from e_gaps1[i+2*j] <= k < e_gaps1[i+(2*j)+1]:
- *                     indexes.append(k)
- */
-        __pyx_v_num_chunks = (__pyx_v_num_chunks + 1);
-        goto __pyx_L42;
-      }
-      __pyx_L42:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1367
- *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:
- *                     num_chunks = num_chunks + 1
- *                 for k from e_gaps1[i+2*j] <= k < e_gaps1[i+(2*j)+1]:             # <<<<<<<<<<<<<<
- *                     indexes.append(k)
- *                     ephr_arr._append(self.eid2symid[self.eda.data.arr[e_sent_start+k]])
- */
-      __pyx_t_3 = (__pyx_v_e_gaps1[((__pyx_v_i + (2 * __pyx_v_j)) + 1)]);
-      for (__pyx_v_k = (__pyx_v_e_gaps1[(__pyx_v_i + (2 * __pyx_v_j))]); __pyx_v_k < __pyx_t_3; __pyx_v_k++) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1368
- *                     num_chunks = num_chunks + 1
- *                 for k from e_gaps1[i+2*j] <= k < e_gaps1[i+(2*j)+1]:
- *                     indexes.append(k)             # <<<<<<<<<<<<<<
- *                     ephr_arr._append(self.eid2symid[self.eda.data.arr[e_sent_start+k]])
- *                 if j < num_gaps:
- */
-        __pyx_t_1 = PyInt_FromLong(__pyx_v_k); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1368; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_10 = PyList_Append(__pyx_v_indexes, __pyx_t_1); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1368; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1369
- *                 for k from e_gaps1[i+2*j] <= k < e_gaps1[i+(2*j)+1]:
- *                     indexes.append(k)
- *                     ephr_arr._append(self.eid2symid[self.eda.data.arr[e_sent_start+k]])             # <<<<<<<<<<<<<<
- *                 if j < num_gaps:
- *                     indexes.append(sym_setindex(self.category, e_gap_order[j]+1))
- */
-        __pyx_t_4 = (__pyx_v_self->eda->data->arr[(__pyx_v_e_sent_start + __pyx_v_k)]);
-        __pyx_t_1 = __Pyx_GetItemInt(((PyObject *)__pyx_v_self->eid2symid), __pyx_t_4, sizeof(int), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1369; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_t_1); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1369; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-        ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_ephr_arr->__pyx_vtab)->_append(__pyx_v_ephr_arr, __pyx_t_4);
-      }
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1370
- *                     indexes.append(k)
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- *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
- *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
- *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
- *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
- */
-  __pyx_v_f_gap_high = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1438
- *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
- *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
- *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
- *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
- *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))
- */
-  __pyx_v_e_gap_low = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1439
- *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
- *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
- *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
- *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))
- *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))
- */
-  __pyx_v_e_gap_high = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1440
- *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
- *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
- *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
- *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))
- *         memset(e_gap_low, 0, (num_chunks+1)*sizeof(int))
- */
-  memset(__pyx_v_f_gap_low, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1441
- *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
- *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))
- *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
- *         memset(e_gap_low, 0, (num_chunks+1)*sizeof(int))
- *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))
- */
-  memset(__pyx_v_f_gap_high, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1442
- *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))
- *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))
- *         memset(e_gap_low, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
- *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))
- * 
- */
-  memset(__pyx_v_e_gap_low, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1443
- *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))
- *         memset(e_gap_low, 0, (num_chunks+1)*sizeof(int))
- *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
- * 
- *         reason_for_failure = ""
- */
-  memset(__pyx_v_e_gap_high, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1445
- *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))
- * 
- *         reason_for_failure = ""             # <<<<<<<<<<<<<<
- * 
- *         for i from 0 <= i < e_sent_len:
- */
-  __Pyx_INCREF(((PyObject *)__pyx_kp_s_42));
-  __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_42);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1447
- *         reason_for_failure = ""
- * 
- *         for i from 0 <= i < e_sent_len:             # <<<<<<<<<<<<<<
- *             e_links_low[i] = -1
- *             e_links_high[i] = -1
- */
-  __pyx_t_3 = __pyx_v_e_sent_len;
-  for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1448
- * 
- *         for i from 0 <= i < e_sent_len:
- *             e_links_low[i] = -1             # <<<<<<<<<<<<<<
- *             e_links_high[i] = -1
- *         for i from 0 <= i < f_sent_len:
- */
-    (__pyx_v_e_links_low[__pyx_v_i]) = -1;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1449
- *         for i from 0 <= i < e_sent_len:
- *             e_links_low[i] = -1
- *             e_links_high[i] = -1             # <<<<<<<<<<<<<<
- *         for i from 0 <= i < f_sent_len:
- *             f_links_low[i] = -1
- */
-    (__pyx_v_e_links_high[__pyx_v_i]) = -1;
-  }
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1450
- *             e_links_low[i] = -1
- *             e_links_high[i] = -1
- *         for i from 0 <= i < f_sent_len:             # <<<<<<<<<<<<<<
- *             f_links_low[i] = -1
- *             f_links_high[i] = -1
- */
-  __pyx_t_3 = __pyx_v_f_sent_len;
-  for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1451
- *             e_links_high[i] = -1
- *         for i from 0 <= i < f_sent_len:
- *             f_links_low[i] = -1             # <<<<<<<<<<<<<<
- *             f_links_high[i] = -1
- * 
- */
-    (__pyx_v_f_links_low[__pyx_v_i]) = -1;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1452
- *         for i from 0 <= i < f_sent_len:
- *             f_links_low[i] = -1
- *             f_links_high[i] = -1             # <<<<<<<<<<<<<<
- * 
- *         # this is really inefficient -- might be good to
- */
-    (__pyx_v_f_links_high[__pyx_v_i]) = -1;
-  }
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1458
- *         # links that we care about (but then how to look up
- *         # when we want to check something on the e side?)
- *         i = 0             # <<<<<<<<<<<<<<
- *         while i < num_links*2:
- *             f_i = sent_links[i]
- */
-  __pyx_v_i = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1459
- *         # when we want to check something on the e side?)
- *         i = 0
- *         while i < num_links*2:             # <<<<<<<<<<<<<<
- *             f_i = sent_links[i]
- *             e_i = sent_links[i+1]
- */
-  while (1) {
-    __pyx_t_7 = (__pyx_v_i < (__pyx_v_num_links * 2));
-    if (!__pyx_t_7) break;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1460
- *         i = 0
- *         while i < num_links*2:
- *             f_i = sent_links[i]             # <<<<<<<<<<<<<<
- *             e_i = sent_links[i+1]
- *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:
- */
-    __pyx_v_f_i = (__pyx_v_sent_links[__pyx_v_i]);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1461
- *         while i < num_links*2:
- *             f_i = sent_links[i]
- *             e_i = sent_links[i+1]             # <<<<<<<<<<<<<<
- *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:
- *                 f_links_low[f_i] = e_i
- */
-    __pyx_v_e_i = (__pyx_v_sent_links[(__pyx_v_i + 1)]);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1462
- *             f_i = sent_links[i]
- *             e_i = sent_links[i+1]
- *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:             # <<<<<<<<<<<<<<
- *                 f_links_low[f_i] = e_i
- *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:
- */
-    __pyx_t_7 = ((__pyx_v_f_links_low[__pyx_v_f_i]) == -1);
-    if (!__pyx_t_7) {
-      __pyx_t_8 = ((__pyx_v_f_links_low[__pyx_v_f_i]) > __pyx_v_e_i);
-      __pyx_t_9 = __pyx_t_8;
-    } else {
-      __pyx_t_9 = __pyx_t_7;
-    }
-    if (__pyx_t_9) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1463
- *             e_i = sent_links[i+1]
- *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:
- *                 f_links_low[f_i] = e_i             # <<<<<<<<<<<<<<
- *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:
- *                 f_links_high[f_i] = e_i + 1
- */
-      (__pyx_v_f_links_low[__pyx_v_f_i]) = __pyx_v_e_i;
-      goto __pyx_L14;
-    }
-    __pyx_L14:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1464
- *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:
- *                 f_links_low[f_i] = e_i
- *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:             # <<<<<<<<<<<<<<
- *                 f_links_high[f_i] = e_i + 1
- *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:
- */
-    __pyx_t_9 = ((__pyx_v_f_links_high[__pyx_v_f_i]) == -1);
-    if (!__pyx_t_9) {
-      __pyx_t_7 = ((__pyx_v_f_links_high[__pyx_v_f_i]) < (__pyx_v_e_i + 1));
-      __pyx_t_8 = __pyx_t_7;
-    } else {
-      __pyx_t_8 = __pyx_t_9;
-    }
-    if (__pyx_t_8) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1465
- *                 f_links_low[f_i] = e_i
- *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:
- *                 f_links_high[f_i] = e_i + 1             # <<<<<<<<<<<<<<
- *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:
- *                 e_links_low[e_i] = f_i
- */
-      (__pyx_v_f_links_high[__pyx_v_f_i]) = (__pyx_v_e_i + 1);
-      goto __pyx_L15;
-    }
-    __pyx_L15:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1466
- *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:
- *                 f_links_high[f_i] = e_i + 1
- *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:             # <<<<<<<<<<<<<<
- *                 e_links_low[e_i] = f_i
- *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:
- */
-    __pyx_t_8 = ((__pyx_v_e_links_low[__pyx_v_e_i]) == -1);
-    if (!__pyx_t_8) {
-      __pyx_t_9 = ((__pyx_v_e_links_low[__pyx_v_e_i]) > __pyx_v_f_i);
-      __pyx_t_7 = __pyx_t_9;
-    } else {
-      __pyx_t_7 = __pyx_t_8;
-    }
-    if (__pyx_t_7) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1467
- *                 f_links_high[f_i] = e_i + 1
- *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:
- *                 e_links_low[e_i] = f_i             # <<<<<<<<<<<<<<
- *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:
- *                 e_links_high[e_i] = f_i + 1
- */
-      (__pyx_v_e_links_low[__pyx_v_e_i]) = __pyx_v_f_i;
-      goto __pyx_L16;
-    }
-    __pyx_L16:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1468
- *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:
- *                 e_links_low[e_i] = f_i
- *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:             # <<<<<<<<<<<<<<
- *                 e_links_high[e_i] = f_i + 1
- *             i = i + 2
- */
-    __pyx_t_7 = ((__pyx_v_e_links_high[__pyx_v_e_i]) == -1);
-    if (!__pyx_t_7) {
-      __pyx_t_8 = ((__pyx_v_e_links_high[__pyx_v_e_i]) < (__pyx_v_f_i + 1));
-      __pyx_t_9 = __pyx_t_8;
-    } else {
-      __pyx_t_9 = __pyx_t_7;
-    }
-    if (__pyx_t_9) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1469
- *                 e_links_low[e_i] = f_i
- *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:
- *                 e_links_high[e_i] = f_i + 1             # <<<<<<<<<<<<<<
- *             i = i + 2
- * 
- */
-      (__pyx_v_e_links_high[__pyx_v_e_i]) = (__pyx_v_f_i + 1);
-      goto __pyx_L17;
-    }
-    __pyx_L17:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1470
- *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:
- *                 e_links_high[e_i] = f_i + 1
- *             i = i + 2             # <<<<<<<<<<<<<<
- * 
- *         als = []
- */
-    __pyx_v_i = (__pyx_v_i + 2);
-  }
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1472
- *             i = i + 2
- * 
- *         als = []             # <<<<<<<<<<<<<<
- *         for x in range(matching.start,matching.end):
- *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])
- */
-  __pyx_t_2 = PyList_New(0); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1472; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_2);
-  __pyx_v_als = __pyx_t_2;
-  __pyx_t_2 = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1473
- * 
- *         als = []
- *         for x in range(matching.start,matching.end):             # <<<<<<<<<<<<<<
- *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])
- *             als.append(al)
- */
-  __pyx_t_3 = __pyx_v_matching->end;
-  for (__pyx_t_4 = __pyx_v_matching->start; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
-    __pyx_v_x = __pyx_t_4;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1474
- *         als = []
- *         for x in range(matching.start,matching.end):
- *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])             # <<<<<<<<<<<<<<
- *             als.append(al)
- *         # check all source-side alignment constraints
- */
-    __pyx_t_2 = PyInt_FromLong(((__pyx_v_matching->arr[__pyx_v_x]) - __pyx_v_f_sent_start)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_1 = PyInt_FromLong((__pyx_v_f_links_low[((__pyx_v_matching->arr[__pyx_v_x]) - __pyx_v_f_sent_start)])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_10 = PyTuple_New(2); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_10);
-    PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_2);
-    __Pyx_GIVEREF(__pyx_t_2);
-    PyTuple_SET_ITEM(__pyx_t_10, 1, __pyx_t_1);
-    __Pyx_GIVEREF(__pyx_t_1);
-    __pyx_t_2 = 0;
-    __pyx_t_1 = 0;
-    __Pyx_XDECREF(((PyObject *)__pyx_v_al));
-    __pyx_v_al = __pyx_t_10;
-    __pyx_t_10 = 0;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1475
- *         for x in range(matching.start,matching.end):
- *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])
- *             als.append(al)             # <<<<<<<<<<<<<<
- *         # check all source-side alignment constraints
- *         met_constraints = 1
- */
-    __pyx_t_11 = PyList_Append(__pyx_v_als, ((PyObject *)__pyx_v_al)); if (unlikely(__pyx_t_11 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1475; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  }
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1477
- *             als.append(al)
- *         # check all source-side alignment constraints
- *         met_constraints = 1             # <<<<<<<<<<<<<<
- *         if self.require_aligned_terminal:
- *             num_aligned_chunks = 0
- */
-  __pyx_v_met_constraints = 1;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1478
- *         # check all source-side alignment constraints
- *         met_constraints = 1
- *         if self.require_aligned_terminal:             # <<<<<<<<<<<<<<
- *             num_aligned_chunks = 0
- *             for i from 0 <= i < num_chunks:
- */
-  if (__pyx_v_self->require_aligned_terminal) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1479
- *         met_constraints = 1
- *         if self.require_aligned_terminal:
- *             num_aligned_chunks = 0             # <<<<<<<<<<<<<<
- *             for i from 0 <= i < num_chunks:
- *                 for j from 0 <= j < chunklen[i]:
- */
-    __pyx_v_num_aligned_chunks = 0;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1480
- *         if self.require_aligned_terminal:
- *             num_aligned_chunks = 0
- *             for i from 0 <= i < num_chunks:             # <<<<<<<<<<<<<<
- *                 for j from 0 <= j < chunklen[i]:
- *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
- */
-    __pyx_t_3 = __pyx_v_num_chunks;
-    for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1481
- *             num_aligned_chunks = 0
- *             for i from 0 <= i < num_chunks:
- *                 for j from 0 <= j < chunklen[i]:             # <<<<<<<<<<<<<<
- *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
- *                         num_aligned_chunks = num_aligned_chunks + 1
- */
-      __pyx_t_4 = (__pyx_v_chunklen[__pyx_v_i]);
-      for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_4; __pyx_v_j++) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1482
- *             for i from 0 <= i < num_chunks:
- *                 for j from 0 <= j < chunklen[i]:
- *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:             # <<<<<<<<<<<<<<
- *                         num_aligned_chunks = num_aligned_chunks + 1
- *                         break
- */
-        __pyx_t_9 = ((__pyx_v_f_links_low[(((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + __pyx_v_j) - __pyx_v_f_sent_start)]) > -1);
-        if (__pyx_t_9) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1483
- *                 for j from 0 <= j < chunklen[i]:
- *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
- *                         num_aligned_chunks = num_aligned_chunks + 1             # <<<<<<<<<<<<<<
- *                         break
- *             if num_aligned_chunks == 0:
- */
-          __pyx_v_num_aligned_chunks = (__pyx_v_num_aligned_chunks + 1);
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1484
- *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
- *                         num_aligned_chunks = num_aligned_chunks + 1
- *                         break             # <<<<<<<<<<<<<<
- *             if num_aligned_chunks == 0:
- *                 reason_for_failure = "No aligned terminals"
- */
-          goto __pyx_L24_break;
-          goto __pyx_L25;
-        }
-        __pyx_L25:;
-      }
-      __pyx_L24_break:;
-    }
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1485
- *                         num_aligned_chunks = num_aligned_chunks + 1
- *                         break
- *             if num_aligned_chunks == 0:             # <<<<<<<<<<<<<<
- *                 reason_for_failure = "No aligned terminals"
- *                 met_constraints = 0
- */
-    __pyx_t_9 = (__pyx_v_num_aligned_chunks == 0);
-    if (__pyx_t_9) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1486
- *                         break
- *             if num_aligned_chunks == 0:
- *                 reason_for_failure = "No aligned terminals"             # <<<<<<<<<<<<<<
- *                 met_constraints = 0
- *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
- */
-      __Pyx_INCREF(((PyObject *)__pyx_kp_s_124));
-      __Pyx_DECREF(__pyx_v_reason_for_failure);
-      __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_124);
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1487
- *             if num_aligned_chunks == 0:
- *                 reason_for_failure = "No aligned terminals"
- *                 met_constraints = 0             # <<<<<<<<<<<<<<
- *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
- *                 reason_for_failure = "Unaligned chunk"
- */
-      __pyx_v_met_constraints = 0;
-      goto __pyx_L26;
-    }
-    __pyx_L26:;
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1488
- *                 reason_for_failure = "No aligned terminals"
- *                 met_constraints = 0
- *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:             # <<<<<<<<<<<<<<
- *                 reason_for_failure = "Unaligned chunk"
- *                 met_constraints = 0
- */
-    if (__pyx_v_self->require_aligned_chunks) {
-      __pyx_t_9 = (__pyx_v_num_aligned_chunks < __pyx_v_num_chunks);
-      __pyx_t_7 = __pyx_t_9;
-    } else {
-      __pyx_t_7 = __pyx_v_self->require_aligned_chunks;
-    }
-    if (__pyx_t_7) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1489
- *                 met_constraints = 0
- *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
- *                 reason_for_failure = "Unaligned chunk"             # <<<<<<<<<<<<<<
- *                 met_constraints = 0
- * 
- */
-      __Pyx_INCREF(((PyObject *)__pyx_kp_s_125));
-      __Pyx_DECREF(__pyx_v_reason_for_failure);
-      __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_125);
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1490
- *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
- *                 reason_for_failure = "Unaligned chunk"
- *                 met_constraints = 0             # <<<<<<<<<<<<<<
- * 
- *         if met_constraints and self.tight_phrases:
- */
-      __pyx_v_met_constraints = 0;
-      goto __pyx_L27;
-    }
-    __pyx_L27:;
-    goto __pyx_L20;
-  }
-  __pyx_L20:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1492
- *                 met_constraints = 0
- * 
- *         if met_constraints and self.tight_phrases:             # <<<<<<<<<<<<<<
- *             # outside edge constraints are checked later
- *             for i from 0 <= i < num_chunks-1:
- */
-  if (__pyx_v_met_constraints) {
-    __pyx_t_7 = __pyx_v_self->tight_phrases;
-  } else {
-    __pyx_t_7 = __pyx_v_met_constraints;
-  }
-  if (__pyx_t_7) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1494
- *         if met_constraints and self.tight_phrases:
- *             # outside edge constraints are checked later
- *             for i from 0 <= i < num_chunks-1:             # <<<<<<<<<<<<<<
- *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:
- *                     reason_for_failure = "Gaps are not tight phrases"
- */
-    __pyx_t_12 = (__pyx_v_num_chunks - 1);
-    for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_12; __pyx_v_i++) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1495
- *             # outside edge constraints are checked later
- *             for i from 0 <= i < num_chunks-1:
- *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:             # <<<<<<<<<<<<<<
- *                     reason_for_failure = "Gaps are not tight phrases"
- *                     met_constraints = 0
- */
-      __pyx_t_7 = ((__pyx_v_f_links_low[(((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + (__pyx_v_chunklen[__pyx_v_i])) - __pyx_v_f_sent_start)]) == -1);
-      if (__pyx_t_7) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1496
- *             for i from 0 <= i < num_chunks-1:
- *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:
- *                     reason_for_failure = "Gaps are not tight phrases"             # <<<<<<<<<<<<<<
- *                     met_constraints = 0
- *                     break
- */
-        __Pyx_INCREF(((PyObject *)__pyx_kp_s_126));
-        __Pyx_DECREF(__pyx_v_reason_for_failure);
-        __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_126);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1497
- *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:
- *                     reason_for_failure = "Gaps are not tight phrases"
- *                     met_constraints = 0             # <<<<<<<<<<<<<<
- *                     break
- *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:
- */
-        __pyx_v_met_constraints = 0;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1498
- *                     reason_for_failure = "Gaps are not tight phrases"
- *                     met_constraints = 0
- *                     break             # <<<<<<<<<<<<<<
- *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:
- *                     reason_for_failure = "Gaps are not tight phrases"
- */
-        goto __pyx_L30_break;
-        goto __pyx_L31;
-      }
-      __pyx_L31:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1499
- *                     met_constraints = 0
- *                     break
- *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:             # <<<<<<<<<<<<<<
- *                     reason_for_failure = "Gaps are not tight phrases"
- *                     met_constraints = 0
- */
-      __pyx_t_7 = ((__pyx_v_f_links_low[(((__pyx_v_matching->arr[((__pyx_v_matching->start + __pyx_v_i) + 1)]) - 1) - __pyx_v_f_sent_start)]) == -1);
-      if (__pyx_t_7) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1500
- *                     break
- *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:
- *                     reason_for_failure = "Gaps are not tight phrases"             # <<<<<<<<<<<<<<
- *                     met_constraints = 0
- *                     break
- */
-        __Pyx_INCREF(((PyObject *)__pyx_kp_s_126));
-        __Pyx_DECREF(__pyx_v_reason_for_failure);
-        __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_126);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1501
- *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:
- *                     reason_for_failure = "Gaps are not tight phrases"
- *                     met_constraints = 0             # <<<<<<<<<<<<<<
- *                     break
- * 
- */
-        __pyx_v_met_constraints = 0;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1502
- *                     reason_for_failure = "Gaps are not tight phrases"
- *                     met_constraints = 0
- *                     break             # <<<<<<<<<<<<<<
- * 
- *         f_low = matching.arr[matching.start] - f_sent_start
- */
-        goto __pyx_L30_break;
-        goto __pyx_L32;
-      }
-      __pyx_L32:;
-    }
-    __pyx_L30_break:;
-    goto __pyx_L28;
-  }
-  __pyx_L28:;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1504
- *                     break
- * 
- *         f_low = matching.arr[matching.start] - f_sent_start             # <<<<<<<<<<<<<<
- *         f_high = matching.arr[matching.start + matching.size - 1] + chunklen[num_chunks-1] - f_sent_start
- *         if met_constraints:
- */
-  __pyx_v_f_low = ((__pyx_v_matching->arr[__pyx_v_matching->start]) - __pyx_v_f_sent_start);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1505
- * 
- *         f_low = matching.arr[matching.start] - f_sent_start
- *         f_high = matching.arr[matching.start + matching.size - 1] + chunklen[num_chunks-1] - f_sent_start             # <<<<<<<<<<<<<<
- *         if met_constraints:
- * 
- */
-  __pyx_v_f_high = (((__pyx_v_matching->arr[((__pyx_v_matching->start + __pyx_v_matching->size) - 1)]) + (__pyx_v_chunklen[(__pyx_v_num_chunks - 1)])) - __pyx_v_f_sent_start);
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1506
- *         f_low = matching.arr[matching.start] - f_sent_start
- *         f_high = matching.arr[matching.start + matching.size - 1] + chunklen[num_chunks-1] - f_sent_start
- *         if met_constraints:             # <<<<<<<<<<<<<<
- * 
- *             if self.find_fixpoint(f_low, f_high, f_links_low, f_links_high, e_links_low, e_links_high,
- */
-  if (__pyx_v_met_constraints) {
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1508
- *         if met_constraints:
- * 
- *             if self.find_fixpoint(f_low, f_high, f_links_low, f_links_high, e_links_low, e_links_high,             # <<<<<<<<<<<<<<
- *                                 -1, -1, &e_low, &e_high, &f_back_low, &f_back_high, f_sent_len, e_sent_len,
- *                                 self.train_max_initial_size, self.train_max_initial_size,
- */
-    __pyx_t_10 = PyInt_FromLong(__pyx_v_f_high); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1508; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_10);
-
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1512
- *                                 self.train_max_initial_size, self.train_max_initial_size,
- *                                 self.train_min_gap_size, 0,
- *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):             # <<<<<<<<<<<<<<
- *                 gap_error = 0
- *                 num_gaps = 0
- */
-    __pyx_t_3 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_low, __pyx_t_10, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, (&__pyx_v_e_low), (&__pyx_v_e_high), (&__pyx_v_f_back_low), (&__pyx_v_f_back_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_min_gap_size, 0, ((__pyx_v_self->max_nonterminals - __pyx_v_num_chunks) + 1), 1, 1, 0, 0);
-    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-    if (__pyx_t_3) {
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1513
- *                                 self.train_min_gap_size, 0,
- *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):
- *                 gap_error = 0             # <<<<<<<<<<<<<<
- *                 num_gaps = 0
- * 
- */
-      __pyx_v_gap_error = 0;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1514
- *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):
- *                 gap_error = 0
- *                 num_gaps = 0             # <<<<<<<<<<<<<<
- * 
- *                 if f_back_low < f_low:
- */
-      __pyx_v_num_gaps = 0;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1516
- *                 num_gaps = 0
- * 
- *                 if f_back_low < f_low:             # <<<<<<<<<<<<<<
- *                     f_gap_low[0] = f_back_low
- *                     f_gap_high[0] = f_low
- */
-      __pyx_t_7 = (__pyx_v_f_back_low < __pyx_v_f_low);
-      if (__pyx_t_7) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1517
- * 
- *                 if f_back_low < f_low:
- *                     f_gap_low[0] = f_back_low             # <<<<<<<<<<<<<<
- *                     f_gap_high[0] = f_low
- *                     num_gaps = 1
- */
-        (__pyx_v_f_gap_low[0]) = __pyx_v_f_back_low;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1518
- *                 if f_back_low < f_low:
- *                     f_gap_low[0] = f_back_low
- *                     f_gap_high[0] = f_low             # <<<<<<<<<<<<<<
- *                     num_gaps = 1
- *                     gap_start = 0
- */
-        (__pyx_v_f_gap_high[0]) = __pyx_v_f_low;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1519
- *                     f_gap_low[0] = f_back_low
- *                     f_gap_high[0] = f_low
- *                     num_gaps = 1             # <<<<<<<<<<<<<<
- *                     gap_start = 0
- *                     phrase_len = phrase_len+1
- */
-        __pyx_v_num_gaps = 1;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1520
- *                     f_gap_high[0] = f_low
- *                     num_gaps = 1
- *                     gap_start = 0             # <<<<<<<<<<<<<<
- *                     phrase_len = phrase_len+1
- *                     if phrase_len > self.max_length:
- */
-        __pyx_v_gap_start = 0;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1521
- *                     num_gaps = 1
- *                     gap_start = 0
- *                     phrase_len = phrase_len+1             # <<<<<<<<<<<<<<
- *                     if phrase_len > self.max_length:
- *                         gap_error = 1
- */
-        __pyx_v_phrase_len = (__pyx_v_phrase_len + 1);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1522
- *                     gap_start = 0
- *                     phrase_len = phrase_len+1
- *                     if phrase_len > self.max_length:             # <<<<<<<<<<<<<<
- *                         gap_error = 1
- *                     if self.tight_phrases:
- */
-        __pyx_t_7 = (__pyx_v_phrase_len > __pyx_v_self->max_length);
-        if (__pyx_t_7) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1523
- *                     phrase_len = phrase_len+1
- *                     if phrase_len > self.max_length:
- *                         gap_error = 1             # <<<<<<<<<<<<<<
- *                     if self.tight_phrases:
- *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
- */
-          __pyx_v_gap_error = 1;
-          goto __pyx_L36;
-        }
-        __pyx_L36:;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1524
- *                     if phrase_len > self.max_length:
- *                         gap_error = 1
- *                     if self.tight_phrases:             # <<<<<<<<<<<<<<
- *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
- *                             gap_error = 1
- */
-        if (__pyx_v_self->tight_phrases) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1525
- *                         gap_error = 1
- *                     if self.tight_phrases:
- *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:             # <<<<<<<<<<<<<<
- *                             gap_error = 1
- *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"
- */
-          __pyx_t_7 = ((__pyx_v_f_links_low[__pyx_v_f_back_low]) == -1);
-          if (!__pyx_t_7) {
-            __pyx_t_9 = ((__pyx_v_f_links_low[(__pyx_v_f_low - 1)]) == -1);
-            __pyx_t_8 = __pyx_t_9;
-          } else {
-            __pyx_t_8 = __pyx_t_7;
-          }
-          if (__pyx_t_8) {
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1526
- *                     if self.tight_phrases:
- *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
- *                             gap_error = 1             # <<<<<<<<<<<<<<
- *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"
- *                 else:
- */
-            __pyx_v_gap_error = 1;
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1527
- *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
- *                             gap_error = 1
- *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"             # <<<<<<<<<<<<<<
- *                 else:
- *                     gap_start = 1
- */
-            __Pyx_INCREF(((PyObject *)__pyx_kp_s_127));
-            __Pyx_DECREF(__pyx_v_reason_for_failure);
-            __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_127);
-            goto __pyx_L38;
-          }
-          __pyx_L38:;
-          goto __pyx_L37;
-        }
-        __pyx_L37:;
-        goto __pyx_L35;
-      }
-      /*else*/ {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1529
- *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"
- *                 else:
- *                     gap_start = 1             # <<<<<<<<<<<<<<
- *                     if self.tight_phrases and f_links_low[f_low] == -1:
- *                         # this is not a hard error.    we can't extract this phrase
- */
-        __pyx_v_gap_start = 1;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1530
- *                 else:
- *                     gap_start = 1
- *                     if self.tight_phrases and f_links_low[f_low] == -1:             # <<<<<<<<<<<<<<
- *                         # this is not a hard error.    we can't extract this phrase
- *                         # but we still might be able to extract a superphrase
- */
-        if (__pyx_v_self->tight_phrases) {
-          __pyx_t_8 = ((__pyx_v_f_links_low[__pyx_v_f_low]) == -1);
-          __pyx_t_7 = __pyx_t_8;
-        } else {
-          __pyx_t_7 = __pyx_v_self->tight_phrases;
-        }
-        if (__pyx_t_7) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1533
- *                         # this is not a hard error.    we can't extract this phrase
- *                         # but we still might be able to extract a superphrase
- *                         met_constraints = 0             # <<<<<<<<<<<<<<
- * 
- *                 for i from 0 <= i < matching.size - 1:
- */
-          __pyx_v_met_constraints = 0;
-          goto __pyx_L39;
-        }
-        __pyx_L39:;
-      }
-      __pyx_L35:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1535
- *                         met_constraints = 0
- * 
- *                 for i from 0 <= i < matching.size - 1:             # <<<<<<<<<<<<<<
- *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start
- *                     f_gap_high[1+i] = matching.arr[matching.start+i+1] - f_sent_start
- */
-      __pyx_t_12 = (__pyx_v_matching->size - 1);
-      for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_12; __pyx_v_i++) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1536
- * 
- *                 for i from 0 <= i < matching.size - 1:
- *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start             # <<<<<<<<<<<<<<
- *                     f_gap_high[1+i] = matching.arr[matching.start+i+1] - f_sent_start
- *                     num_gaps = num_gaps + 1
- */
-        (__pyx_v_f_gap_low[(1 + __pyx_v_i)]) = (((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + (__pyx_v_chunklen[__pyx_v_i])) - __pyx_v_f_sent_start);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1537
- *                 for i from 0 <= i < matching.size - 1:
- *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start
- *                     f_gap_high[1+i] = matching.arr[matching.start+i+1] - f_sent_start             # <<<<<<<<<<<<<<
- *                     num_gaps = num_gaps + 1
- * 
- */
-        (__pyx_v_f_gap_high[(1 + __pyx_v_i)]) = ((__pyx_v_matching->arr[((__pyx_v_matching->start + __pyx_v_i) + 1)]) - __pyx_v_f_sent_start);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1538
- *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start
- *                     f_gap_high[1+i] = matching.arr[matching.start+i+1] - f_sent_start
- *                     num_gaps = num_gaps + 1             # <<<<<<<<<<<<<<
- * 
- *                 if f_high < f_back_high:
- */
-        __pyx_v_num_gaps = (__pyx_v_num_gaps + 1);
-      }
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1540
- *                     num_gaps = num_gaps + 1
- * 
- *                 if f_high < f_back_high:             # <<<<<<<<<<<<<<
- *                     f_gap_low[gap_start+num_gaps] = f_high
- *                     f_gap_high[gap_start+num_gaps] = f_back_high
- */
-      __pyx_t_7 = (__pyx_v_f_high < __pyx_v_f_back_high);
-      if (__pyx_t_7) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1541
- * 
- *                 if f_high < f_back_high:
- *                     f_gap_low[gap_start+num_gaps] = f_high             # <<<<<<<<<<<<<<
- *                     f_gap_high[gap_start+num_gaps] = f_back_high
- *                     num_gaps = num_gaps + 1
- */
-        (__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_num_gaps)]) = __pyx_v_f_high;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1542
- *                 if f_high < f_back_high:
- *                     f_gap_low[gap_start+num_gaps] = f_high
- *                     f_gap_high[gap_start+num_gaps] = f_back_high             # <<<<<<<<<<<<<<
- *                     num_gaps = num_gaps + 1
- *                     phrase_len = phrase_len+1
- */
-        (__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_num_gaps)]) = __pyx_v_f_back_high;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1543
- *                     f_gap_low[gap_start+num_gaps] = f_high
- *                     f_gap_high[gap_start+num_gaps] = f_back_high
- *                     num_gaps = num_gaps + 1             # <<<<<<<<<<<<<<
- *                     phrase_len = phrase_len+1
- *                     if phrase_len > self.max_length:
- */
-        __pyx_v_num_gaps = (__pyx_v_num_gaps + 1);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1544
- *                     f_gap_high[gap_start+num_gaps] = f_back_high
- *                     num_gaps = num_gaps + 1
- *                     phrase_len = phrase_len+1             # <<<<<<<<<<<<<<
- *                     if phrase_len > self.max_length:
- *                         gap_error = 1
- */
-        __pyx_v_phrase_len = (__pyx_v_phrase_len + 1);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1545
- *                     num_gaps = num_gaps + 1
- *                     phrase_len = phrase_len+1
- *                     if phrase_len > self.max_length:             # <<<<<<<<<<<<<<
- *                         gap_error = 1
- *                     if self.tight_phrases:
- */
-        __pyx_t_7 = (__pyx_v_phrase_len > __pyx_v_self->max_length);
-        if (__pyx_t_7) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1546
- *                     phrase_len = phrase_len+1
- *                     if phrase_len > self.max_length:
- *                         gap_error = 1             # <<<<<<<<<<<<<<
- *                     if self.tight_phrases:
- *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
- */
-          __pyx_v_gap_error = 1;
-          goto __pyx_L43;
-        }
-        __pyx_L43:;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1547
- *                     if phrase_len > self.max_length:
- *                         gap_error = 1
- *                     if self.tight_phrases:             # <<<<<<<<<<<<<<
- *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
- *                             gap_error = 1
- */
-        if (__pyx_v_self->tight_phrases) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1548
- *                         gap_error = 1
- *                     if self.tight_phrases:
- *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:             # <<<<<<<<<<<<<<
- *                             gap_error = 1
- *                             reason_for_failure = "Inside edges of following subphrase are not tight"
- */
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-            __pyx_t_8 = ((__pyx_v_f_links_low[__pyx_v_f_high]) == -1);
-            __pyx_t_9 = __pyx_t_8;
-          } else {
-            __pyx_t_9 = __pyx_t_7;
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-          if (__pyx_t_9) {
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1549
- *                     if self.tight_phrases:
- *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
- *                             gap_error = 1             # <<<<<<<<<<<<<<
- *                             reason_for_failure = "Inside edges of following subphrase are not tight"
- *                 else:
- */
-            __pyx_v_gap_error = 1;
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1550
- *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
- *                             gap_error = 1
- *                             reason_for_failure = "Inside edges of following subphrase are not tight"             # <<<<<<<<<<<<<<
- *                 else:
- *                     if self.tight_phrases and f_links_low[f_high-1] == -1:
- */
-            __Pyx_INCREF(((PyObject *)__pyx_kp_s_128));
-            __Pyx_DECREF(__pyx_v_reason_for_failure);
-            __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_128);
-            goto __pyx_L45;
-          }
-          __pyx_L45:;
-          goto __pyx_L44;
-        }
-        __pyx_L44:;
-        goto __pyx_L42;
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-      /*else*/ {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1552
- *                             reason_for_failure = "Inside edges of following subphrase are not tight"
- *                 else:
- *                     if self.tight_phrases and f_links_low[f_high-1] == -1:             # <<<<<<<<<<<<<<
- *                         met_constraints = 0
- * 
- */
-        if (__pyx_v_self->tight_phrases) {
-          __pyx_t_9 = ((__pyx_v_f_links_low[(__pyx_v_f_high - 1)]) == -1);
-          __pyx_t_7 = __pyx_t_9;
-        } else {
-          __pyx_t_7 = __pyx_v_self->tight_phrases;
-        }
-        if (__pyx_t_7) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1553
- *                 else:
- *                     if self.tight_phrases and f_links_low[f_high-1] == -1:
- *                         met_constraints = 0             # <<<<<<<<<<<<<<
- * 
- *                 if gap_error == 0:
- */
-          __pyx_v_met_constraints = 0;
-          goto __pyx_L46;
-        }
-        __pyx_L46:;
-      }
-      __pyx_L42:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1555
- *                         met_constraints = 0
- * 
- *                 if gap_error == 0:             # <<<<<<<<<<<<<<
- *                     e_word_count = e_high - e_low
- *                     for i from 0 <= i < num_gaps: # check integrity of subphrases
- */
-      __pyx_t_7 = (__pyx_v_gap_error == 0);
-      if (__pyx_t_7) {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1556
- * 
- *                 if gap_error == 0:
- *                     e_word_count = e_high - e_low             # <<<<<<<<<<<<<<
- *                     for i from 0 <= i < num_gaps: # check integrity of subphrases
- *                         if self.find_fixpoint(f_gap_low[gap_start+i], f_gap_high[gap_start+i],
- */
-        __pyx_v_e_word_count = (__pyx_v_e_high - __pyx_v_e_low);
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1557
- *                 if gap_error == 0:
- *                     e_word_count = e_high - e_low
- *                     for i from 0 <= i < num_gaps: # check integrity of subphrases             # <<<<<<<<<<<<<<
- *                         if self.find_fixpoint(f_gap_low[gap_start+i], f_gap_high[gap_start+i],
- *                                             f_links_low, f_links_high, e_links_low, e_links_high,
- */
-        __pyx_t_3 = __pyx_v_num_gaps;
-        for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1558
- *                     e_word_count = e_high - e_low
- *                     for i from 0 <= i < num_gaps: # check integrity of subphrases
- *                         if self.find_fixpoint(f_gap_low[gap_start+i], f_gap_high[gap_start+i],             # <<<<<<<<<<<<<<
- *                                             f_links_low, f_links_high, e_links_low, e_links_high,
- *                                             -1, -1, e_gap_low+gap_start+i, e_gap_high+gap_start+i,
- */
-          __pyx_t_10 = PyInt_FromLong((__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1558; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1563
- *                                             f_gap_low+gap_start+i, f_gap_high+gap_start+i,
- *                                             f_sent_len, e_sent_len,
- *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
- *                                             0, 0, 0, 0, 0, 0, 0) == 0:
- *                             gap_error = 1
- */
-          __pyx_t_7 = (((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, (__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_i)]), __pyx_t_10, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, ((__pyx_v_e_gap_low + __pyx_v_gap_start) + __pyx_v_i), ((__pyx_v_e_gap_high + __pyx_v_gap_start) + __pyx_v_i), ((__pyx_v_f_gap_low + __pyx_v_gap_start) + __pyx_v_i), ((__pyx_v_f_gap_high + __pyx_v_gap_start) + __pyx_v_i), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0) == 0);
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-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1565
- *                                             self.train_max_initial_size, self.train_max_initial_size,
- *                                             0, 0, 0, 0, 0, 0, 0) == 0:
- *                             gap_error = 1             # <<<<<<<<<<<<<<
- *                             reason_for_failure = "Subphrase [%d, %d] failed integrity check" % (f_gap_low[gap_start+i], f_gap_high[gap_start+i])
- *                             break
- */
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-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1566
- *                                             0, 0, 0, 0, 0, 0, 0) == 0:
- *                             gap_error = 1
- *                             reason_for_failure = "Subphrase [%d, %d] failed integrity check" % (f_gap_low[gap_start+i], f_gap_high[gap_start+i])             # <<<<<<<<<<<<<<
- *                             break
- * 
- */
-            __pyx_t_10 = PyInt_FromLong((__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1566; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_10);
-            __pyx_t_1 = PyInt_FromLong((__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1566; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_1);
-            __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1566; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_2);
-            PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_10);
-            __Pyx_GIVEREF(__pyx_t_10);
-            PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_t_1);
-            __Pyx_GIVEREF(__pyx_t_1);
-            __pyx_t_10 = 0;
-            __pyx_t_1 = 0;
-            __pyx_t_1 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_129), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1566; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(((PyObject *)__pyx_t_1));
-            __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
-            __Pyx_DECREF(__pyx_v_reason_for_failure);
-            __pyx_v_reason_for_failure = ((PyObject *)__pyx_t_1);
-            __pyx_t_1 = 0;
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1567
- *                             gap_error = 1
- *                             reason_for_failure = "Subphrase [%d, %d] failed integrity check" % (f_gap_low[gap_start+i], f_gap_high[gap_start+i])
- *                             break             # <<<<<<<<<<<<<<
- * 
- *                 if gap_error == 0:
- */
-            goto __pyx_L49_break;
-            goto __pyx_L50;
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-          __pyx_L50:;
-        }
-        __pyx_L49_break:;
-        goto __pyx_L47;
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-      __pyx_L47:;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1569
- *                             break
- * 
- *                 if gap_error == 0:             # <<<<<<<<<<<<<<
- *                     i = 1
- *                     self.findexes.reset()
- */
-      __pyx_t_7 = (__pyx_v_gap_error == 0);
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-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1570
- * 
- *                 if gap_error == 0:
- *                     i = 1             # <<<<<<<<<<<<<<
- *                     self.findexes.reset()
- *                     if f_back_low < f_low:
- */
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-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1571
- *                 if gap_error == 0:
- *                     i = 1
- *                     self.findexes.reset()             # <<<<<<<<<<<<<<
- *                     if f_back_low < f_low:
- *                         fphr_arr._append(sym_setindex(self.category, i))
- */
-        __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1571; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1571; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(__pyx_t_2);
-        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1572
- *                     i = 1
- *                     self.findexes.reset()
- *                     if f_back_low < f_low:             # <<<<<<<<<<<<<<
- *                         fphr_arr._append(sym_setindex(self.category, i))
- *                         i = i+1
- */
-        __pyx_t_7 = (__pyx_v_f_back_low < __pyx_v_f_low);
-        if (__pyx_t_7) {
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1573
- *                     self.findexes.reset()
- *                     if f_back_low < f_low:
- *                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
- *                         i = i+1
- *                         self.findexes.append(sym_setindex(self.category, i))
- */
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-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1574
- *                     if f_back_low < f_low:
- *                         fphr_arr._append(sym_setindex(self.category, i))
- *                         i = i+1             # <<<<<<<<<<<<<<
- *                         self.findexes.append(sym_setindex(self.category, i))
- *                     self.findexes.extend(self.findexes1)
- */
-          __pyx_v_i = (__pyx_v_i + 1);
-
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1575
- *                         fphr_arr._append(sym_setindex(self.category, i))
- *                         i = i+1
- *                         self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
- *                     self.findexes.extend(self.findexes1)
- *                     for j from 0 <= j < phrase.n:
- */
-          __pyx_t_2 = PyInt_FromLong(__pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1575; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_2);
-          __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1575; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_1);
-          __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-          __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-          goto __pyx_L52;
-        }
-        __pyx_L52:;
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1576
- *                         i = i+1
- *                         self.findexes.append(sym_setindex(self.category, i))
- *                     self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
- *                     for j from 0 <= j < phrase.n:
- *                         if sym_isvar(phrase.syms[j]):
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- *                         phrase_len < self.max_length and             # <<<<<<<<<<<<<<
- *                         f_back_high - f_back_low + self.train_min_gap_size <= self.train_max_initial_size):
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- *                     if (num_gaps < self.max_nonterminals and
- *                         phrase_len < self.max_length and
- *                         f_back_high - f_back_low + self.train_min_gap_size <= self.train_max_initial_size):             # <<<<<<<<<<<<<<
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- *                                 f_low >= self.train_min_gap_size and
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- */
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- *                                 ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_back_high-1] != -1))):
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- *                         if (f_back_low == f_low and
- *                                 f_low >= self.train_min_gap_size and
- *                                 ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_back_high-1] != -1))):             # <<<<<<<<<<<<<<
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- *                             met_constraints = 1
- */
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-              if (!__pyx_t_18) {
-                __pyx_t_8 = ((__pyx_v_f_links_low[(__pyx_v_f_low - 1)]) != -1);
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-              }
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-            } else {
-              __pyx_t_18 = __pyx_t_7;
-            }
-            __pyx_t_7 = __pyx_t_18;
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-          if (__pyx_t_7) {
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- *                                 f_low >= self.train_min_gap_size and
- *                                 ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_back_high-1] != -1))):
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- *                             met_constraints = 1
- *                             if self.tight_phrases:
- */
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- *                                 ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_back_high-1] != -1))):
- *                             f_x_low = f_low-self.train_min_gap_size
- *                             met_constraints = 1             # <<<<<<<<<<<<<<
- *                             if self.tight_phrases:
- *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
- */
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- *                             f_x_low = f_low-self.train_min_gap_size
- *                             met_constraints = 1
- *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
- *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
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- *                             met_constraints = 1
- *                             if self.tight_phrases:
- *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:             # <<<<<<<<<<<<<<
- *                                     f_x_low = f_x_low - 1
- *                             if f_x_low < 0 or f_back_high - f_x_low > self.train_max_initial_size:
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-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1611
- *                             if self.tight_phrases:
- *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
- *                                     f_x_low = f_x_low - 1             # <<<<<<<<<<<<<<
- *                             if f_x_low < 0 or f_back_high - f_x_low > self.train_max_initial_size:
- *                                 met_constraints = 0
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- *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
- *                                     f_x_low = f_x_low - 1
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- *                                 met_constraints = 0
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-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1613
- *                                     f_x_low = f_x_low - 1
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- *                             if (met_constraints and
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- *                                             f_links_low, f_links_high, e_links_low, e_links_high,
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- *                                             0, 0, 0, 0, 0, 0, 0)):
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-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1629
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- *                             ((not self.tight_phrases) or (f_links_low[f_high] != -1 and f_links_low[f_back_low] != -1))):
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- *                         if (f_back_high == f_high and
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- *                             ((not self.tight_phrases) or (f_links_low[f_high] != -1 and f_links_low[f_back_low] != -1))):
- *                             f_x_high = f_high+self.train_min_gap_size
- *                             met_constraints = 1             # <<<<<<<<<<<<<<
- *                             if self.tight_phrases:
- *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
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- *                             f_x_high = f_high+self.train_min_gap_size
- *                             met_constraints = 1
- *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
- *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
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-
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- *                             met_constraints = 1
- *                             if self.tight_phrases:
- *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:             # <<<<<<<<<<<<<<
- *                                     f_x_high = f_x_high + 1
- *                             if f_x_high > f_sent_len or f_x_high - f_back_low > self.train_max_initial_size:
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- *                             if self.tight_phrases:
- *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
- *                                     f_x_high = f_x_high + 1             # <<<<<<<<<<<<<<
- *                             if f_x_high > f_sent_len or f_x_high - f_back_low > self.train_max_initial_size:
- *                                 met_constraints = 0
- */
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- *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
- *                                     f_x_high = f_x_high + 1
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- *                                 met_constraints = 0
- * 
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-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1684
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-                __pyx_t_14 = 0;
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- *                                     extracts.append((fphr, phrase2, pair_count, tuple(als3)))
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- *                             phrase_len+1 < self.max_length and
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- *                                     extracts.append((fphr, phrase2, pair_count, tuple(als3)))
- *                         if (num_gaps < self.max_nonterminals - 1 and
- *                             phrase_len+1 < self.max_length and             # <<<<<<<<<<<<<<
- *                             f_back_high == f_high and
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- */
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-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1712
- *                         if (num_gaps < self.max_nonterminals - 1 and
- *                             phrase_len+1 < self.max_length and
- *                             f_back_high == f_high and             # <<<<<<<<<<<<<<
- *                             f_back_low == f_low and
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- */
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-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1713
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- *                             f_back_high - f_back_low + (2*self.train_min_gap_size) <= self.train_max_initial_size and
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- *                             f_back_high == f_high and
- *                             f_back_low == f_low and
- *                             f_back_high - f_back_low + (2*self.train_min_gap_size) <= self.train_max_initial_size and             # <<<<<<<<<<<<<<
- *                             f_low >= self.train_min_gap_size and
- *                             f_high <= f_sent_len - self.train_min_gap_size and
- */
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-                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1715
- *                             f_back_low == f_low and
- *                             f_back_high - f_back_low + (2*self.train_min_gap_size) <= self.train_max_initial_size and
- *                             f_low >= self.train_min_gap_size and             # <<<<<<<<<<<<<<
- *                             f_high <= f_sent_len - self.train_min_gap_size and
- *                             ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_high] != -1))):
- */
-                    __pyx_t_20 = (__pyx_v_f_low >= __pyx_v_self->train_min_gap_size);
-                    if (__pyx_t_20) {
-
-                      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1716
- *                             f_back_high - f_back_low + (2*self.train_min_gap_size) <= self.train_max_initial_size and
- *                             f_low >= self.train_min_gap_size and
- *                             f_high <= f_sent_len - self.train_min_gap_size and             # <<<<<<<<<<<<<<
- *                             ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_high] != -1))):
- * 
- */
-                      __pyx_t_21 = (__pyx_v_f_high <= (__pyx_v_f_sent_len - __pyx_v_self->train_min_gap_size));
-                      if (__pyx_t_21) {
-
-                        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1717
- *                             f_low >= self.train_min_gap_size and
- *                             f_high <= f_sent_len - self.train_min_gap_size and
- *                             ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_high] != -1))):             # <<<<<<<<<<<<<<
- * 
- *                             met_constraints = 1
- */
-                        __pyx_t_22 = (!__pyx_v_self->tight_phrases);
-                        if (!__pyx_t_22) {
-                          __pyx_t_23 = ((__pyx_v_f_links_low[(__pyx_v_f_low - 1)]) != -1);
-                          if (__pyx_t_23) {
-                            __pyx_t_24 = ((__pyx_v_f_links_low[__pyx_v_f_high]) != -1);
-                            __pyx_t_25 = __pyx_t_24;
-                          } else {
-                            __pyx_t_25 = __pyx_t_23;
-                          }
-                          __pyx_t_23 = __pyx_t_25;
-                        } else {
-                          __pyx_t_23 = __pyx_t_22;
-                        }
-                        __pyx_t_22 = __pyx_t_23;
-                      } else {
-                        __pyx_t_22 = __pyx_t_21;
-                      }
-                      __pyx_t_21 = __pyx_t_22;
-                    } else {
-                      __pyx_t_21 = __pyx_t_20;
-                    }
-                    __pyx_t_20 = __pyx_t_21;
-                  } else {
-                    __pyx_t_20 = __pyx_t_19;
-                  }
-                  __pyx_t_19 = __pyx_t_20;
-                } else {
-                  __pyx_t_19 = __pyx_t_8;
-                }
-                __pyx_t_8 = __pyx_t_19;
-              } else {
-                __pyx_t_8 = __pyx_t_18;
-              }
-              __pyx_t_18 = __pyx_t_8;
-            } else {
-              __pyx_t_18 = __pyx_t_7;
-            }
-            __pyx_t_7 = __pyx_t_18;
-          } else {
-            __pyx_t_7 = __pyx_t_9;
-          }
-          if (__pyx_t_7) {
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1719
- *                             ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_high] != -1))):
- * 
- *                             met_constraints = 1             # <<<<<<<<<<<<<<
- *                             f_x_low = f_low-self.train_min_gap_size
- *                             if self.tight_phrases:
- */
-            __pyx_v_met_constraints = 1;
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1720
- * 
- *                             met_constraints = 1
- *                             f_x_low = f_low-self.train_min_gap_size             # <<<<<<<<<<<<<<
- *                             if self.tight_phrases:
- *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
- */
-            __pyx_v_f_x_low = (__pyx_v_f_low - __pyx_v_self->train_min_gap_size);
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1721
- *                             met_constraints = 1
- *                             f_x_low = f_low-self.train_min_gap_size
- *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
- *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
- *                                     f_x_low = f_x_low - 1
- */
-            if (__pyx_v_self->tight_phrases) {
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1722
- *                             f_x_low = f_low-self.train_min_gap_size
- *                             if self.tight_phrases:
- *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:             # <<<<<<<<<<<<<<
- *                                     f_x_low = f_x_low - 1
- *                             if f_x_low < 0:
- */
-              while (1) {
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-                if (__pyx_t_7) {
-                  __pyx_t_9 = ((__pyx_v_f_links_low[__pyx_v_f_x_low]) == -1);
-                  __pyx_t_18 = __pyx_t_9;
-                } else {
-                  __pyx_t_18 = __pyx_t_7;
-                }
-                if (!__pyx_t_18) break;
-
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1723
- *                             if self.tight_phrases:
- *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
- *                                     f_x_low = f_x_low - 1             # <<<<<<<<<<<<<<
- *                             if f_x_low < 0:
- *                                 met_constraints = 0
- */
-                __pyx_v_f_x_low = (__pyx_v_f_x_low - 1);
-              }
-              goto __pyx_L95;
-            }
-            __pyx_L95:;
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1724
- *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
- *                                     f_x_low = f_x_low - 1
- *                             if f_x_low < 0:             # <<<<<<<<<<<<<<
- *                                 met_constraints = 0
- * 
- */
-            __pyx_t_18 = (__pyx_v_f_x_low < 0);
-            if (__pyx_t_18) {
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1725
- *                                     f_x_low = f_x_low - 1
- *                             if f_x_low < 0:
- *                                 met_constraints = 0             # <<<<<<<<<<<<<<
- * 
- *                             f_x_high = f_high+self.train_min_gap_size
- */
-              __pyx_v_met_constraints = 0;
-              goto __pyx_L98;
-            }
-            __pyx_L98:;
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1727
- *                                 met_constraints = 0
- * 
- *                             f_x_high = f_high+self.train_min_gap_size             # <<<<<<<<<<<<<<
- *                             if self.tight_phrases:
- *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
- */
-            __pyx_v_f_x_high = (__pyx_v_f_high + __pyx_v_self->train_min_gap_size);
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1728
- * 
- *                             f_x_high = f_high+self.train_min_gap_size
- *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
- *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
- *                                     f_x_high = f_x_high + 1
- */
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-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1729
- *                             f_x_high = f_high+self.train_min_gap_size
- *                             if self.tight_phrases:
- *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:             # <<<<<<<<<<<<<<
- *                                     f_x_high = f_x_high + 1
- *                             if f_x_high > f_sent_len or f_x_high - f_x_low > self.train_max_initial_size:
- */
-              while (1) {
-                __pyx_t_18 = (__pyx_v_f_x_high <= __pyx_v_f_sent_len);
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-                  __pyx_t_9 = __pyx_t_7;
-                } else {
-                  __pyx_t_9 = __pyx_t_18;
-                }
-                if (!__pyx_t_9) break;
-
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1730
- *                             if self.tight_phrases:
- *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
- *                                     f_x_high = f_x_high + 1             # <<<<<<<<<<<<<<
- *                             if f_x_high > f_sent_len or f_x_high - f_x_low > self.train_max_initial_size:
- *                                 met_constraints = 0
- */
-                __pyx_v_f_x_high = (__pyx_v_f_x_high + 1);
-              }
-              goto __pyx_L99;
-            }
-            __pyx_L99:;
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1731
- *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
- *                                     f_x_high = f_x_high + 1
- *                             if f_x_high > f_sent_len or f_x_high - f_x_low > self.train_max_initial_size:             # <<<<<<<<<<<<<<
- *                                 met_constraints = 0
- * 
- */
-            __pyx_t_9 = (__pyx_v_f_x_high > __pyx_v_f_sent_len);
-            if (!__pyx_t_9) {
-              __pyx_t_18 = ((__pyx_v_f_x_high - __pyx_v_f_x_low) > __pyx_v_self->train_max_initial_size);
-              __pyx_t_7 = __pyx_t_18;
-            } else {
-              __pyx_t_7 = __pyx_t_9;
-            }
-            if (__pyx_t_7) {
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1732
- *                                     f_x_high = f_x_high + 1
- *                             if f_x_high > f_sent_len or f_x_high - f_x_low > self.train_max_initial_size:
- *                                 met_constraints = 0             # <<<<<<<<<<<<<<
- * 
- *                             if (met_constraints and
- */
-              __pyx_v_met_constraints = 0;
-              goto __pyx_L102;
-            }
-            __pyx_L102:;
-
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1734
- *                                 met_constraints = 0
- * 
- *                             if (met_constraints and             # <<<<<<<<<<<<<<
- *                                 self.find_fixpoint(f_x_low, f_x_high,
- *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
- */
-            if (__pyx_v_met_constraints) {
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1735
- * 
- *                             if (met_constraints and
- *                                 self.find_fixpoint(f_x_low, f_x_high,             # <<<<<<<<<<<<<<
- *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
- *                                                 e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
- */
-              __pyx_t_15 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_15);
-
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1739
- *                                                 e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
- *                                                 f_sent_len, e_sent_len,
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-  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
-  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
-  Py_DECREF(x);
-  return r;
-}
-
-static int __pyx_mp_ass_subscript_8_cdec_sa_FloatList(PyObject *o, PyObject *i, PyObject *v) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_9FloatList_7__setitem__(o, i, v);
-  }
-  else {
-    PyErr_Format(PyExc_NotImplementedError,
-      "Subscript deletion not supported by %s", Py_TYPE(o)->tp_name);
-    return -1;
-  }
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_FloatList[] = {
-  {__Pyx_NAMESTR("append"), (PyCFunction)__pyx_pw_8_cdec_sa_9FloatList_11append, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write"), (PyCFunction)__pyx_pw_8_cdec_sa_9FloatList_13write, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read"), (PyCFunction)__pyx_pw_8_cdec_sa_9FloatList_15read, METH_O, __Pyx_DOCSTR(0)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_FloatList = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_FloatList = {
-  __pyx_pw_8_cdec_sa_9FloatList_9__len__, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  __pyx_sq_item_8_cdec_sa_FloatList, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_FloatList = {
-  __pyx_pw_8_cdec_sa_9FloatList_9__len__, /*mp_length*/
-  __pyx_pw_8_cdec_sa_9FloatList_5__getitem__, /*mp_subscript*/
-  __pyx_mp_ass_subscript_8_cdec_sa_FloatList, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_FloatList = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_FloatList = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.FloatList"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_FloatList), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_FloatList, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_FloatList, /*tp_as_number*/
-  &__pyx_tp_as_sequence_FloatList, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_FloatList, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_FloatList, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
-  0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_FloatList, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_FloatList, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_IntList __pyx_vtable_8_cdec_sa_IntList;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_IntList(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_IntList *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_IntList *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_IntList;
-  if (__pyx_pw_8_cdec_sa_7IntList_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_IntList(PyObject *o) {
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_7IntList_15__dealloc__(o);
-    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
-  }
-  (*Py_TYPE(o)->tp_free)(o);
-}
-static PyObject *__pyx_sq_item_8_cdec_sa_IntList(PyObject *o, Py_ssize_t i) {
-  PyObject *r;
-  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
-  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
-  Py_DECREF(x);
-  return r;
-}
-
-static int __pyx_mp_ass_subscript_8_cdec_sa_IntList(PyObject *o, PyObject *i, PyObject *v) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_7IntList_19__setitem__(o, i, v);
-  }
-  else {
-    PyErr_Format(PyExc_NotImplementedError,
-      "Subscript deletion not supported by %s", Py_TYPE(o)->tp_name);
-    return -1;
-  }
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_IntList[] = {
-  {__Pyx_NAMESTR("index"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_5index, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("partition"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_7partition, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("_doquicksort"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_9_doquicksort, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("sort"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_11sort, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("reset"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_13reset, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getSize"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_23getSize, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("append"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_25append, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("extend"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_27extend, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_29write, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_31read, METH_O, __Pyx_DOCSTR(0)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_IntList = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_IntList = {
-  __pyx_pw_8_cdec_sa_7IntList_21__len__, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  __pyx_sq_item_8_cdec_sa_IntList, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_IntList = {
-  __pyx_pw_8_cdec_sa_7IntList_21__len__, /*mp_length*/
-  __pyx_pw_8_cdec_sa_7IntList_17__getitem__, /*mp_subscript*/
-  __pyx_mp_ass_subscript_8_cdec_sa_IntList, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_IntList = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_IntList = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.IntList"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_IntList), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_IntList, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_IntList, /*tp_as_number*/
-  &__pyx_tp_as_sequence_IntList, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_IntList, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  __pyx_pw_8_cdec_sa_7IntList_3__str__, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_IntList, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
-  0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_IntList, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_IntList, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_StringMap __pyx_vtable_8_cdec_sa_StringMap;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_StringMap(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_StringMap *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_StringMap *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_StringMap;
-  if (__pyx_pw_8_cdec_sa_9StringMap_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_StringMap(PyObject *o) {
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_9StringMap_3__dealloc__(o);
-    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
-  }
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_StringMap[] = {
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_StringMap = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_StringMap = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_StringMap = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_StringMap = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_StringMap = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.StringMap"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_StringMap), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_StringMap, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_StringMap, /*tp_as_number*/
-  &__pyx_tp_as_sequence_StringMap, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_StringMap, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_StringMap, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
-  0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_StringMap, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_StringMap, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_DataArray __pyx_vtable_8_cdec_sa_DataArray;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_DataArray(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_DataArray *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_DataArray *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_DataArray;
-  p->word2id = Py_None; Py_INCREF(Py_None);
-  p->id2word = Py_None; Py_INCREF(Py_None);
-  p->data = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->sent_id = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->sent_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_9DataArray_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_DataArray(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_DataArray *p = (struct __pyx_obj_8_cdec_sa_DataArray *)o;
-  Py_XDECREF(p->word2id);
-  Py_XDECREF(p->id2word);
-  Py_XDECREF(((PyObject *)p->data));
-  Py_XDECREF(((PyObject *)p->sent_id));
-  Py_XDECREF(((PyObject *)p->sent_index));
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_DataArray(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_DataArray *p = (struct __pyx_obj_8_cdec_sa_DataArray *)o;
-  if (p->word2id) {
-    e = (*v)(p->word2id, a); if (e) return e;
-  }
-  if (p->id2word) {
-    e = (*v)(p->id2word, a); if (e) return e;
-  }
-  if (p->data) {
-    e = (*v)(((PyObject*)p->data), a); if (e) return e;
-  }
-  if (p->sent_id) {
-    e = (*v)(((PyObject*)p->sent_id), a); if (e) return e;
-  }
-  if (p->sent_index) {
-    e = (*v)(((PyObject*)p->sent_index), a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_DataArray(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_DataArray *p = (struct __pyx_obj_8_cdec_sa_DataArray *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->word2id);
-  p->word2id = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->id2word);
-  p->id2word = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->data);
-  p->data = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->sent_id);
-  p->sent_id = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->sent_index);
-  p->sent_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_DataArray[] = {
-  {__Pyx_NAMESTR("getSentId"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_5getSentId, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getSent"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_7getSent, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getSentPos"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_9getSentPos, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_id"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_11get_id, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_word"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_13get_word, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_15write_text, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_17read_text, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_19read_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_21write_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_enhanced_handle"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_23write_enhanced_handle, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_25write_enhanced, METH_O, __Pyx_DOCSTR(0)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_DataArray = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_DataArray = {
-  __pyx_pw_8_cdec_sa_9DataArray_3__len__, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_DataArray = {
-  __pyx_pw_8_cdec_sa_9DataArray_3__len__, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_DataArray = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_DataArray = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.DataArray"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_DataArray), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_DataArray, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_DataArray, /*tp_as_number*/
-  &__pyx_tp_as_sequence_DataArray, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_DataArray, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_DataArray, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_DataArray, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_DataArray, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_DataArray, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_DataArray, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_Alignment __pyx_vtable_8_cdec_sa_Alignment;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_Alignment(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_Alignment *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_Alignment *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_Alignment;
-  p->links = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->sent_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_9Alignment_5__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_Alignment(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Alignment *p = (struct __pyx_obj_8_cdec_sa_Alignment *)o;
-  Py_XDECREF(((PyObject *)p->links));
-  Py_XDECREF(((PyObject *)p->sent_index));
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_Alignment(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_Alignment *p = (struct __pyx_obj_8_cdec_sa_Alignment *)o;
-  if (p->links) {
-    e = (*v)(((PyObject*)p->links), a); if (e) return e;
-  }
-  if (p->sent_index) {
-    e = (*v)(((PyObject*)p->sent_index), a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_Alignment(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Alignment *p = (struct __pyx_obj_8_cdec_sa_Alignment *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->links);
-  p->links = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->sent_index);
-  p->sent_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_Alignment[] = {
-  {__Pyx_NAMESTR("unlink"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_1unlink, METH_O, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_9Alignment_unlink)},
-  {__Pyx_NAMESTR("get_sent_links"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_3get_sent_links, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_7read_text, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_9read_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_11write_text, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_13write_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_15write_enhanced, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("alignment"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_17alignment, METH_O, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_9Alignment_16alignment)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_Alignment = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_Alignment = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_Alignment = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_Alignment = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_Alignment = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.Alignment"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_Alignment), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_Alignment, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_Alignment, /*tp_as_number*/
-  &__pyx_tp_as_sequence_Alignment, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_Alignment, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_Alignment, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_Alignment, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_Alignment, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_Alignment, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_Alignment, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_BiLex __pyx_vtable_8_cdec_sa_BiLex;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_BiLex(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_BiLex *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_BiLex *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_BiLex;
-  p->col1 = ((struct __pyx_obj_8_cdec_sa_FloatList *)Py_None); Py_INCREF(Py_None);
-  p->col2 = ((struct __pyx_obj_8_cdec_sa_FloatList *)Py_None); Py_INCREF(Py_None);
-  p->f_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->e_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->id2eword = Py_None; Py_INCREF(Py_None);
-  p->id2fword = Py_None; Py_INCREF(Py_None);
-  p->eword2id = Py_None; Py_INCREF(Py_None);
-  p->fword2id = Py_None; Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_5BiLex_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_BiLex(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_BiLex *p = (struct __pyx_obj_8_cdec_sa_BiLex *)o;
-  Py_XDECREF(((PyObject *)p->col1));
-  Py_XDECREF(((PyObject *)p->col2));
-  Py_XDECREF(((PyObject *)p->f_index));
-  Py_XDECREF(((PyObject *)p->e_index));
-  Py_XDECREF(p->id2eword);
-  Py_XDECREF(p->id2fword);
-  Py_XDECREF(p->eword2id);
-  Py_XDECREF(p->fword2id);
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_BiLex(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_BiLex *p = (struct __pyx_obj_8_cdec_sa_BiLex *)o;
-  if (p->col1) {
-    e = (*v)(((PyObject*)p->col1), a); if (e) return e;
-  }
-  if (p->col2) {
-    e = (*v)(((PyObject*)p->col2), a); if (e) return e;
-  }
-  if (p->f_index) {
-    e = (*v)(((PyObject*)p->f_index), a); if (e) return e;
-  }
-  if (p->e_index) {
-    e = (*v)(((PyObject*)p->e_index), a); if (e) return e;
-  }
-  if (p->id2eword) {
-    e = (*v)(p->id2eword, a); if (e) return e;
-  }
-  if (p->id2fword) {
-    e = (*v)(p->id2fword, a); if (e) return e;
-  }
-  if (p->eword2id) {
-    e = (*v)(p->eword2id, a); if (e) return e;
-  }
-  if (p->fword2id) {
-    e = (*v)(p->fword2id, a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_BiLex(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_BiLex *p = (struct __pyx_obj_8_cdec_sa_BiLex *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->col1);
-  p->col1 = ((struct __pyx_obj_8_cdec_sa_FloatList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->col2);
-  p->col2 = ((struct __pyx_obj_8_cdec_sa_FloatList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->f_index);
-  p->f_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->e_index);
-  p->e_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->id2eword);
-  p->id2eword = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->id2fword);
-  p->id2fword = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->eword2id);
-  p->eword2id = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->fword2id);
-  p->fword2id = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_BiLex[] = {
-  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_3write_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_5read_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_e_id"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_7get_e_id, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_f_id"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_9get_f_id, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_11read_text, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_13write_enhanced, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_score"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_15get_score, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_17write_text, METH_O, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_5BiLex_16write_text)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_BiLex = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_BiLex = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_BiLex = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_BiLex = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_BiLex = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.BiLex"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_BiLex), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_BiLex, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_BiLex, /*tp_as_number*/
-  &__pyx_tp_as_sequence_BiLex, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_BiLex, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_BiLex, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_BiLex, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_BiLex, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_BiLex, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_BiLex, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-
-static PyObject *__pyx_tp_new_8_cdec_sa_BitSetIterator(PyTypeObject *t, PyObject *a, PyObject *k) {
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_BitSetIterator(PyObject *o) {
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_BitSetIterator[] = {
-  {__Pyx_NAMESTR("__next__"), (PyCFunction)__pyx_pw_8_cdec_sa_14BitSetIterator_1__next__, METH_NOARGS|METH_COEXIST, __Pyx_DOCSTR(0)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_BitSetIterator = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_BitSetIterator = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_BitSetIterator = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_BitSetIterator = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_BitSetIterator = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.BitSetIterator"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_BitSetIterator), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_BitSetIterator, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_BitSetIterator, /*tp_as_number*/
-  &__pyx_tp_as_sequence_BitSetIterator, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_BitSetIterator, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_BitSetIterator, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
-  0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  __pyx_pw_8_cdec_sa_14BitSetIterator_1__next__, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_BitSetIterator, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_BitSetIterator, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-
-static PyObject *__pyx_tp_new_8_cdec_sa_BitSet(PyTypeObject *t, PyObject *a, PyObject *k) {
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  if (__pyx_pw_8_cdec_sa_6BitSet_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_BitSet(PyObject *o) {
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_6BitSet_3__dealloc__(o);
-    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
-  }
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_BitSet[] = {
-  {__Pyx_NAMESTR("insert"), (PyCFunction)__pyx_pw_8_cdec_sa_6BitSet_7insert, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("findsucc"), (PyCFunction)__pyx_pw_8_cdec_sa_6BitSet_9findsucc, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("min"), (PyCFunction)__pyx_pw_8_cdec_sa_6BitSet_13min, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("max"), (PyCFunction)__pyx_pw_8_cdec_sa_6BitSet_15max, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_BitSet = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_BitSet = {
-  __pyx_pw_8_cdec_sa_6BitSet_17__len__, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  __pyx_pw_8_cdec_sa_6BitSet_19__contains__, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_BitSet = {
-  __pyx_pw_8_cdec_sa_6BitSet_17__len__, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_BitSet = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_BitSet = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.BitSet"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_BitSet), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_BitSet, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_BitSet, /*tp_as_number*/
-  &__pyx_tp_as_sequence_BitSet, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_BitSet, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  __pyx_pw_8_cdec_sa_6BitSet_11__str__, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_BitSet, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
-  0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  __pyx_pw_8_cdec_sa_6BitSet_5__iter__, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_BitSet, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_BitSet, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-
-static PyObject *__pyx_tp_new_8_cdec_sa_VEBIterator(PyTypeObject *t, PyObject *a, PyObject *k) {
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_VEBIterator(PyObject *o) {
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_VEBIterator[] = {
-  {__Pyx_NAMESTR("__next__"), (PyCFunction)__pyx_pw_8_cdec_sa_11VEBIterator_1__next__, METH_NOARGS|METH_COEXIST, __Pyx_DOCSTR(0)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_VEBIterator = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_VEBIterator = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_VEBIterator = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_VEBIterator = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_VEBIterator = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.VEBIterator"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_VEBIterator), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_VEBIterator, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_VEBIterator, /*tp_as_number*/
-  &__pyx_tp_as_sequence_VEBIterator, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_VEBIterator, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_VEBIterator, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
-  0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  __pyx_pw_8_cdec_sa_11VEBIterator_1__next__, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_VEBIterator, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_VEBIterator, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_VEB __pyx_vtable_8_cdec_sa_VEB;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_VEB(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_VEB *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_VEB *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_VEB;
-  if (__pyx_pw_8_cdec_sa_3VEB_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_VEB(PyObject *o) {
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_3VEB_3__dealloc__(o);
-    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
-  }
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_VEB[] = {
-  {__Pyx_NAMESTR("insert"), (PyCFunction)__pyx_pw_8_cdec_sa_3VEB_7insert, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("findsucc"), (PyCFunction)__pyx_pw_8_cdec_sa_3VEB_9findsucc, METH_O, __Pyx_DOCSTR(0)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_VEB = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_VEB = {
-  __pyx_pw_8_cdec_sa_3VEB_11__len__, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  __pyx_pw_8_cdec_sa_3VEB_13__contains__, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_VEB = {
-  __pyx_pw_8_cdec_sa_3VEB_11__len__, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_VEB = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_VEB = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.VEB"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_VEB), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_VEB, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_VEB, /*tp_as_number*/
-  &__pyx_tp_as_sequence_VEB, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_VEB, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_VEB, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
-  0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  __pyx_pw_8_cdec_sa_3VEB_5__iter__, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_VEB, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_VEB, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-
-static PyObject *__pyx_tp_new_8_cdec_sa_LCP(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_LCP *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_LCP *)o);
-  p->sa = ((struct __pyx_obj_8_cdec_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
-  p->lcp = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_3LCP_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_LCP(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_LCP *p = (struct __pyx_obj_8_cdec_sa_LCP *)o;
-  Py_XDECREF(((PyObject *)p->sa));
-  Py_XDECREF(((PyObject *)p->lcp));
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_LCP(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_LCP *p = (struct __pyx_obj_8_cdec_sa_LCP *)o;
-  if (p->sa) {
-    e = (*v)(((PyObject*)p->sa), a); if (e) return e;
-  }
-  if (p->lcp) {
-    e = (*v)(((PyObject*)p->lcp), a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_LCP(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_LCP *p = (struct __pyx_obj_8_cdec_sa_LCP *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->sa);
-  p->sa = ((struct __pyx_obj_8_cdec_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->lcp);
-  p->lcp = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_LCP[] = {
-  {__Pyx_NAMESTR("compute_stats"), (PyCFunction)__pyx_pw_8_cdec_sa_3LCP_3compute_stats, METH_O, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_3LCP_2compute_stats)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_LCP = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_LCP = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_LCP = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_LCP = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_LCP = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.LCP"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_LCP), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_LCP, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_LCP, /*tp_as_number*/
-  &__pyx_tp_as_sequence_LCP, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_LCP, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_LCP, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_LCP, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_LCP, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_LCP, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_LCP, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_Alphabet __pyx_vtable_8_cdec_sa_Alphabet;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_Alphabet(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_Alphabet *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_Alphabet *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_Alphabet;
-  p->terminals = ((struct __pyx_obj_8_cdec_sa_StringMap *)Py_None); Py_INCREF(Py_None);
-  p->nonterminals = ((struct __pyx_obj_8_cdec_sa_StringMap *)Py_None); Py_INCREF(Py_None);
-  p->id2sym = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_8Alphabet_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_Alphabet(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Alphabet *p = (struct __pyx_obj_8_cdec_sa_Alphabet *)o;
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_8Alphabet_3__dealloc__(o);
-    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
-  }
-  Py_XDECREF(((PyObject *)p->terminals));
-  Py_XDECREF(((PyObject *)p->nonterminals));
-  Py_XDECREF(((PyObject *)p->id2sym));
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_Alphabet(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_Alphabet *p = (struct __pyx_obj_8_cdec_sa_Alphabet *)o;
-  if (p->terminals) {
-    e = (*v)(((PyObject*)p->terminals), a); if (e) return e;
-  }
-  if (p->nonterminals) {
-    e = (*v)(((PyObject*)p->nonterminals), a); if (e) return e;
-  }
-  if (p->id2sym) {
-    e = (*v)(p->id2sym, a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_Alphabet(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Alphabet *p = (struct __pyx_obj_8_cdec_sa_Alphabet *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->terminals);
-  p->terminals = ((struct __pyx_obj_8_cdec_sa_StringMap *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->nonterminals);
-  p->nonterminals = ((struct __pyx_obj_8_cdec_sa_StringMap *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->id2sym);
-  p->id2sym = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_8Alphabet_terminals(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_8Alphabet_9terminals_1__get__(o);
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_8Alphabet_nonterminals(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_8Alphabet_12nonterminals_1__get__(o);
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_Alphabet[] = {
-  {0, 0, 0, 0}
-};
-
-static struct PyGetSetDef __pyx_getsets_8_cdec_sa_Alphabet[] = {
-  {(char *)"terminals", __pyx_getprop_8_cdec_sa_8Alphabet_terminals, 0, 0, 0},
-  {(char *)"nonterminals", __pyx_getprop_8_cdec_sa_8Alphabet_nonterminals, 0, 0, 0},
-  {0, 0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_Alphabet = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_Alphabet = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_Alphabet = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_Alphabet = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_Alphabet = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.Alphabet"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_Alphabet), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_Alphabet, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_Alphabet, /*tp_as_number*/
-  &__pyx_tp_as_sequence_Alphabet, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_Alphabet, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_Alphabet, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_Alphabet, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_Alphabet, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_Alphabet, /*tp_methods*/
-  0, /*tp_members*/
-  __pyx_getsets_8_cdec_sa_Alphabet, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_Alphabet, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_Phrase __pyx_vtable_8_cdec_sa_Phrase;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_Phrase(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_Phrase *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_Phrase *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_Phrase;
-  if (__pyx_pw_8_cdec_sa_6Phrase_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_Phrase(PyObject *o) {
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_6Phrase_3__dealloc__(o);
-    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
-  }
-  (*Py_TYPE(o)->tp_free)(o);
-}
-static PyObject *__pyx_sq_item_8_cdec_sa_Phrase(PyObject *o, Py_ssize_t i) {
-  PyObject *r;
-  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
-  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
-  Py_DECREF(x);
-  return r;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_Phrase[] = {
-  {__Pyx_NAMESTR("handle"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_7handle, METH_NOARGS, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_6Phrase_6handle)},
-  {__Pyx_NAMESTR("strhandle"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_9strhandle, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("arity"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_11arity, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getvarpos"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_13getvarpos, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getvar"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_15getvar, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("clen"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_17clen, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getchunk"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_19getchunk, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("subst"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_31subst, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_Phrase = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_Phrase = {
-  __pyx_pw_8_cdec_sa_6Phrase_25__len__, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  __pyx_sq_item_8_cdec_sa_Phrase, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_Phrase = {
-  __pyx_pw_8_cdec_sa_6Phrase_25__len__, /*mp_length*/
-  __pyx_pw_8_cdec_sa_6Phrase_27__getitem__, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_Phrase = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_Phrase = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.Phrase"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_Phrase), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_Phrase, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  __pyx_pw_8_cdec_sa_6Phrase_21__cmp__, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_Phrase, /*tp_as_number*/
-  &__pyx_tp_as_sequence_Phrase, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_Phrase, /*tp_as_mapping*/
-  __pyx_pw_8_cdec_sa_6Phrase_23__hash__, /*tp_hash*/
-  0, /*tp_call*/
-  __pyx_pw_8_cdec_sa_6Phrase_5__str__, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_Phrase, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
-  0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  __pyx_pw_8_cdec_sa_6Phrase_29__iter__, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_Phrase, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_Phrase, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-
-static PyObject *__pyx_tp_new_8_cdec_sa_Rule(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_Rule *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_Rule *)o);
-  p->f = ((struct __pyx_obj_8_cdec_sa_Phrase *)Py_None); Py_INCREF(Py_None);
-  p->e = ((struct __pyx_obj_8_cdec_sa_Phrase *)Py_None); Py_INCREF(Py_None);
-  p->word_alignments = Py_None; Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_4Rule_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_Rule(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Rule *p = (struct __pyx_obj_8_cdec_sa_Rule *)o;
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_4Rule_3__dealloc__(o);
-    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
-  }
-  Py_XDECREF(((PyObject *)p->f));
-  Py_XDECREF(((PyObject *)p->e));
-  Py_XDECREF(p->word_alignments);
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_Rule(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_Rule *p = (struct __pyx_obj_8_cdec_sa_Rule *)o;
-  if (p->f) {
-    e = (*v)(((PyObject*)p->f), a); if (e) return e;
-  }
-  if (p->e) {
-    e = (*v)(((PyObject*)p->e), a); if (e) return e;
-  }
-  if (p->word_alignments) {
-    e = (*v)(p->word_alignments, a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_Rule(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Rule *p = (struct __pyx_obj_8_cdec_sa_Rule *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->f);
-  p->f = ((struct __pyx_obj_8_cdec_sa_Phrase *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->e);
-  p->e = ((struct __pyx_obj_8_cdec_sa_Phrase *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->word_alignments);
-  p->word_alignments = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_4Rule_scores(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_4Rule_6scores_1__get__(o);
-}
-
-static int __pyx_setprop_8_cdec_sa_4Rule_scores(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_4Rule_6scores_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_4Rule_lhs(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_4Rule_3lhs_1__get__(o);
-}
-
-static int __pyx_setprop_8_cdec_sa_4Rule_lhs(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_4Rule_3lhs_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_4Rule_f(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_4Rule_1f_1__get__(o);
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_4Rule_e(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_4Rule_1e_1__get__(o);
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_4Rule_word_alignments(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_4Rule_15word_alignments_1__get__(o);
-}
-
-static int __pyx_setprop_8_cdec_sa_4Rule_word_alignments(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_4Rule_15word_alignments_3__set__(o, v);
-  }
-  else {
-    return __pyx_pw_8_cdec_sa_4Rule_15word_alignments_5__del__(o);
-  }
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_Rule[] = {
-  {__Pyx_NAMESTR("fmerge"), (PyCFunction)__pyx_pw_8_cdec_sa_4Rule_11fmerge, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("arity"), (PyCFunction)__pyx_pw_8_cdec_sa_4Rule_13arity, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {0, 0, 0, 0}
-};
-
-static struct PyGetSetDef __pyx_getsets_8_cdec_sa_Rule[] = {
-  {(char *)"scores", __pyx_getprop_8_cdec_sa_4Rule_scores, __pyx_setprop_8_cdec_sa_4Rule_scores, 0, 0},
-  {(char *)"lhs", __pyx_getprop_8_cdec_sa_4Rule_lhs, __pyx_setprop_8_cdec_sa_4Rule_lhs, 0, 0},
-  {(char *)"f", __pyx_getprop_8_cdec_sa_4Rule_f, 0, 0, 0},
-  {(char *)"e", __pyx_getprop_8_cdec_sa_4Rule_e, 0, 0, 0},
-  {(char *)"word_alignments", __pyx_getprop_8_cdec_sa_4Rule_word_alignments, __pyx_setprop_8_cdec_sa_4Rule_word_alignments, 0, 0},
-  {0, 0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_Rule = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  __pyx_pw_8_cdec_sa_4Rule_9__iadd__, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_Rule = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_Rule = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_Rule = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_Rule = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.Rule"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_Rule), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_Rule, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  __pyx_pw_8_cdec_sa_4Rule_7__cmp__, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_Rule, /*tp_as_number*/
-  &__pyx_tp_as_sequence_Rule, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_Rule, /*tp_as_mapping*/
-  __pyx_pw_8_cdec_sa_4Rule_5__hash__, /*tp_hash*/
-  0, /*tp_call*/
-  __pyx_pw_8_cdec_sa_4Rule_15__str__, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_Rule, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_Rule, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_Rule, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_Rule, /*tp_methods*/
-  0, /*tp_members*/
-  __pyx_getsets_8_cdec_sa_Rule, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_Rule, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_TrieMap __pyx_vtable_8_cdec_sa_TrieMap;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_TrieMap(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_TrieMap *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_TrieMap *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_TrieMap;
-  if (__pyx_pw_8_cdec_sa_7TrieMap_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_TrieMap(PyObject *o) {
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_7TrieMap_3__dealloc__(o);
-    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
-  }
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_TrieMap[] = {
-  {__Pyx_NAMESTR("insert"), (PyCFunction)__pyx_pw_8_cdec_sa_7TrieMap_5insert, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("contains"), (PyCFunction)__pyx_pw_8_cdec_sa_7TrieMap_7contains, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("toMap"), (PyCFunction)__pyx_pw_8_cdec_sa_7TrieMap_9toMap, METH_O, __Pyx_DOCSTR(0)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_TrieMap = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_TrieMap = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_TrieMap = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_TrieMap = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_TrieMap = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.TrieMap"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_TrieMap), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_TrieMap, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_TrieMap, /*tp_as_number*/
-  &__pyx_tp_as_sequence_TrieMap, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_TrieMap, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_TrieMap, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
-  0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_TrieMap, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_TrieMap, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_Precomputation __pyx_vtable_8_cdec_sa_Precomputation;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_Precomputation(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_Precomputation *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_Precomputation *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_Precomputation;
-  p->precomputed_index = Py_None; Py_INCREF(Py_None);
-  p->precomputed_collocations = Py_None; Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_14Precomputation_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_Precomputation(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Precomputation *p = (struct __pyx_obj_8_cdec_sa_Precomputation *)o;
-  Py_XDECREF(p->precomputed_index);
-  Py_XDECREF(p->precomputed_collocations);
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_Precomputation(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_Precomputation *p = (struct __pyx_obj_8_cdec_sa_Precomputation *)o;
-  if (p->precomputed_index) {
-    e = (*v)(p->precomputed_index, a); if (e) return e;
-  }
-  if (p->precomputed_collocations) {
-    e = (*v)(p->precomputed_collocations, a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_Precomputation(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Precomputation *p = (struct __pyx_obj_8_cdec_sa_Precomputation *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->precomputed_index);
-  p->precomputed_index = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->precomputed_collocations);
-  p->precomputed_collocations = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_Precomputation[] = {
-  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_14Precomputation_3read_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_14Precomputation_5write_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("precompute"), (PyCFunction)__pyx_pw_8_cdec_sa_14Precomputation_7precompute, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_Precomputation = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_Precomputation = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_Precomputation = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_Precomputation = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_Precomputation = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.Precomputation"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_Precomputation), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_Precomputation, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_Precomputation, /*tp_as_number*/
-  &__pyx_tp_as_sequence_Precomputation, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_Precomputation, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_Precomputation, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_Precomputation, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_Precomputation, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_Precomputation, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_Precomputation, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_SuffixArray __pyx_vtable_8_cdec_sa_SuffixArray;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_SuffixArray(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_SuffixArray *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_SuffixArray *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_SuffixArray;
-  p->darray = ((struct __pyx_obj_8_cdec_sa_DataArray *)Py_None); Py_INCREF(Py_None);
-  p->sa = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->ha = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_11SuffixArray_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_SuffixArray(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_SuffixArray *p = (struct __pyx_obj_8_cdec_sa_SuffixArray *)o;
-  Py_XDECREF(((PyObject *)p->darray));
-  Py_XDECREF(((PyObject *)p->sa));
-  Py_XDECREF(((PyObject *)p->ha));
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_SuffixArray(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_SuffixArray *p = (struct __pyx_obj_8_cdec_sa_SuffixArray *)o;
-  if (p->darray) {
-    e = (*v)(((PyObject*)p->darray), a); if (e) return e;
-  }
-  if (p->sa) {
-    e = (*v)(((PyObject*)p->sa), a); if (e) return e;
-  }
-  if (p->ha) {
-    e = (*v)(((PyObject*)p->ha), a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_SuffixArray(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_SuffixArray *p = (struct __pyx_obj_8_cdec_sa_SuffixArray *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->darray);
-  p->darray = ((struct __pyx_obj_8_cdec_sa_DataArray *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->sa);
-  p->sa = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->ha);
-  p->ha = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-static PyObject *__pyx_sq_item_8_cdec_sa_SuffixArray(PyObject *o, Py_ssize_t i) {
-  PyObject *r;
-  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
-  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
-  Py_DECREF(x);
-  return r;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_SuffixArray[] = {
-  {__Pyx_NAMESTR("getSentId"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_5getSentId, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getSent"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_7getSent, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getSentPos"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_9getSentPos, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_11read_text, METH_O, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_11SuffixArray_10read_text)},
-  {__Pyx_NAMESTR("q3sort"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_13q3sort, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_11SuffixArray_12q3sort)},
-  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_15write_text, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_17read_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_19write_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_21write_enhanced, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("lookup"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_23lookup, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_SuffixArray = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_SuffixArray = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  __pyx_sq_item_8_cdec_sa_SuffixArray, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_SuffixArray = {
-  0, /*mp_length*/
-  __pyx_pw_8_cdec_sa_11SuffixArray_3__getitem__, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_SuffixArray = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_SuffixArray = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.SuffixArray"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_SuffixArray), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_SuffixArray, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_SuffixArray, /*tp_as_number*/
-  &__pyx_tp_as_sequence_SuffixArray, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_SuffixArray, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_SuffixArray, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_SuffixArray, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_SuffixArray, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_SuffixArray, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_SuffixArray, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-
-static PyObject *__pyx_tp_new_8_cdec_sa_TrieNode(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_TrieNode *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_TrieNode *)o);
-  p->children = Py_None; Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_8TrieNode_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_TrieNode(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_TrieNode *p = (struct __pyx_obj_8_cdec_sa_TrieNode *)o;
-  Py_XDECREF(p->children);
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_TrieNode(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_TrieNode *p = (struct __pyx_obj_8_cdec_sa_TrieNode *)o;
-  if (p->children) {
-    e = (*v)(p->children, a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_TrieNode(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_TrieNode *p = (struct __pyx_obj_8_cdec_sa_TrieNode *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->children);
-  p->children = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_8TrieNode_children(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_8TrieNode_8children_1__get__(o);
-}
-
-static int __pyx_setprop_8_cdec_sa_8TrieNode_children(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_8TrieNode_8children_3__set__(o, v);
-  }
-  else {
-    return __pyx_pw_8_cdec_sa_8TrieNode_8children_5__del__(o);
-  }
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_TrieNode[] = {
-  {0, 0, 0, 0}
-};
-
-static struct PyGetSetDef __pyx_getsets_8_cdec_sa_TrieNode[] = {
-  {(char *)"children", __pyx_getprop_8_cdec_sa_8TrieNode_children, __pyx_setprop_8_cdec_sa_8TrieNode_children, 0, 0},
-  {0, 0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_TrieNode = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_TrieNode = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_TrieNode = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_TrieNode = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_TrieNode = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.TrieNode"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_TrieNode), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_TrieNode, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_TrieNode, /*tp_as_number*/
-  &__pyx_tp_as_sequence_TrieNode, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_TrieNode, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_TrieNode, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_TrieNode, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_TrieNode, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_TrieNode, /*tp_methods*/
-  0, /*tp_members*/
-  __pyx_getsets_8_cdec_sa_TrieNode, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_TrieNode, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-
-static PyObject *__pyx_tp_new_8_cdec_sa_ExtendedTrieNode(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *p;
-  PyObject *o = __pyx_tp_new_8_cdec_sa_TrieNode(t, a, k);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *)o);
-  p->phrase = Py_None; Py_INCREF(Py_None);
-  p->phrase_location = Py_None; Py_INCREF(Py_None);
-  p->suffix_link = Py_None; Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_16ExtendedTrieNode_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_ExtendedTrieNode(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *p = (struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *)o;
-  Py_XDECREF(p->phrase);
-  Py_XDECREF(p->phrase_location);
-  Py_XDECREF(p->suffix_link);
-  __pyx_tp_dealloc_8_cdec_sa_TrieNode(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_ExtendedTrieNode(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *p = (struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *)o;
-  e = __pyx_tp_traverse_8_cdec_sa_TrieNode(o, v, a); if (e) return e;
-  if (p->phrase) {
-    e = (*v)(p->phrase, a); if (e) return e;
-  }
-  if (p->phrase_location) {
-    e = (*v)(p->phrase_location, a); if (e) return e;
-  }
-  if (p->suffix_link) {
-    e = (*v)(p->suffix_link, a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_ExtendedTrieNode(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *p = (struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *)o;
-  PyObject* tmp;
-  __pyx_tp_clear_8_cdec_sa_TrieNode(o);
-  tmp = ((PyObject*)p->phrase);
-  p->phrase = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->phrase_location);
-  p->phrase_location = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->suffix_link);
-  p->suffix_link = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_16ExtendedTrieNode_phrase(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_6phrase_1__get__(o);
-}
-
-static int __pyx_setprop_8_cdec_sa_16ExtendedTrieNode_phrase(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_6phrase_3__set__(o, v);
-  }
-  else {
-    return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_6phrase_5__del__(o);
-  }
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_16ExtendedTrieNode_phrase_location(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_15phrase_location_1__get__(o);
-}
-
-static int __pyx_setprop_8_cdec_sa_16ExtendedTrieNode_phrase_location(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_15phrase_location_3__set__(o, v);
-  }
-  else {
-    return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_15phrase_location_5__del__(o);
-  }
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_16ExtendedTrieNode_suffix_link(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_11suffix_link_1__get__(o);
-}
-
-static int __pyx_setprop_8_cdec_sa_16ExtendedTrieNode_suffix_link(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_11suffix_link_3__set__(o, v);
-  }
-  else {
-    return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_11suffix_link_5__del__(o);
-  }
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_ExtendedTrieNode[] = {
-  {0, 0, 0, 0}
-};
-
-static struct PyGetSetDef __pyx_getsets_8_cdec_sa_ExtendedTrieNode[] = {
-  {(char *)"phrase", __pyx_getprop_8_cdec_sa_16ExtendedTrieNode_phrase, __pyx_setprop_8_cdec_sa_16ExtendedTrieNode_phrase, 0, 0},
-  {(char *)"phrase_location", __pyx_getprop_8_cdec_sa_16ExtendedTrieNode_phrase_location, __pyx_setprop_8_cdec_sa_16ExtendedTrieNode_phrase_location, 0, 0},
-  {(char *)"suffix_link", __pyx_getprop_8_cdec_sa_16ExtendedTrieNode_suffix_link, __pyx_setprop_8_cdec_sa_16ExtendedTrieNode_suffix_link, 0, 0},
-  {0, 0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_ExtendedTrieNode = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_ExtendedTrieNode = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_ExtendedTrieNode = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_ExtendedTrieNode = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_ExtendedTrieNode = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.ExtendedTrieNode"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_ExtendedTrieNode, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_ExtendedTrieNode, /*tp_as_number*/
-  &__pyx_tp_as_sequence_ExtendedTrieNode, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_ExtendedTrieNode, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_ExtendedTrieNode, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_ExtendedTrieNode, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_ExtendedTrieNode, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_ExtendedTrieNode, /*tp_methods*/
-  0, /*tp_members*/
-  __pyx_getsets_8_cdec_sa_ExtendedTrieNode, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_ExtendedTrieNode, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-
-static PyObject *__pyx_tp_new_8_cdec_sa_TrieTable(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_TrieTable *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_TrieTable *)o);
-  p->root = Py_None; Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_9TrieTable_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_TrieTable(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_TrieTable *p = (struct __pyx_obj_8_cdec_sa_TrieTable *)o;
-  Py_XDECREF(p->root);
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_TrieTable(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_TrieTable *p = (struct __pyx_obj_8_cdec_sa_TrieTable *)o;
-  if (p->root) {
-    e = (*v)(p->root, a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_TrieTable(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_TrieTable *p = (struct __pyx_obj_8_cdec_sa_TrieTable *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->root);
-  p->root = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_9TrieTable_extended(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_9TrieTable_8extended_1__get__(o);
-}
-
-static int __pyx_setprop_8_cdec_sa_9TrieTable_extended(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_9TrieTable_8extended_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_9TrieTable_count(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_9TrieTable_5count_1__get__(o);
-}
-
-static int __pyx_setprop_8_cdec_sa_9TrieTable_count(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_9TrieTable_5count_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_9TrieTable_root(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_9TrieTable_4root_1__get__(o);
-}
-
-static int __pyx_setprop_8_cdec_sa_9TrieTable_root(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_9TrieTable_4root_3__set__(o, v);
-  }
-  else {
-    return __pyx_pw_8_cdec_sa_9TrieTable_4root_5__del__(o);
-  }
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_TrieTable[] = {
-  {0, 0, 0, 0}
-};
-
-static struct PyGetSetDef __pyx_getsets_8_cdec_sa_TrieTable[] = {
-  {(char *)"extended", __pyx_getprop_8_cdec_sa_9TrieTable_extended, __pyx_setprop_8_cdec_sa_9TrieTable_extended, 0, 0},
-  {(char *)"count", __pyx_getprop_8_cdec_sa_9TrieTable_count, __pyx_setprop_8_cdec_sa_9TrieTable_count, 0, 0},
-  {(char *)"root", __pyx_getprop_8_cdec_sa_9TrieTable_root, __pyx_setprop_8_cdec_sa_9TrieTable_root, 0, 0},
-  {0, 0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_TrieTable = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_TrieTable = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_TrieTable = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_TrieTable = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_TrieTable = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.TrieTable"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_TrieTable), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_TrieTable, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_TrieTable, /*tp_as_number*/
-  &__pyx_tp_as_sequence_TrieTable, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_TrieTable, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_TrieTable, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_TrieTable, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_TrieTable, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_TrieTable, /*tp_methods*/
-  0, /*tp_members*/
-  __pyx_getsets_8_cdec_sa_TrieTable, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_TrieTable, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_PhraseLocation __pyx_vtable_8_cdec_sa_PhraseLocation;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_PhraseLocation(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_PhraseLocation;
-  p->arr = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_14PhraseLocation_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_PhraseLocation(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *p = (struct __pyx_obj_8_cdec_sa_PhraseLocation *)o;
-  Py_XDECREF(((PyObject *)p->arr));
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_PhraseLocation(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *p = (struct __pyx_obj_8_cdec_sa_PhraseLocation *)o;
-  if (p->arr) {
-    e = (*v)(((PyObject*)p->arr), a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_PhraseLocation(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *p = (struct __pyx_obj_8_cdec_sa_PhraseLocation *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->arr);
-  p->arr = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_PhraseLocation[] = {
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_PhraseLocation = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_PhraseLocation = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_PhraseLocation = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_PhraseLocation = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_PhraseLocation = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.PhraseLocation"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_PhraseLocation), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_PhraseLocation, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_PhraseLocation, /*tp_as_number*/
-  &__pyx_tp_as_sequence_PhraseLocation, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_PhraseLocation, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_PhraseLocation, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_PhraseLocation, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_PhraseLocation, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_PhraseLocation, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_PhraseLocation, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-
-static PyObject *__pyx_tp_new_8_cdec_sa_Sampler(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_Sampler *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_Sampler *)o);
-  p->sa = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_7Sampler_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_Sampler(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Sampler *p = (struct __pyx_obj_8_cdec_sa_Sampler *)o;
-  Py_XDECREF(((PyObject *)p->sa));
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_Sampler(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_Sampler *p = (struct __pyx_obj_8_cdec_sa_Sampler *)o;
-  if (p->sa) {
-    e = (*v)(((PyObject*)p->sa), a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_Sampler(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Sampler *p = (struct __pyx_obj_8_cdec_sa_Sampler *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->sa);
-  p->sa = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_Sampler[] = {
-  {__Pyx_NAMESTR("sample"), (PyCFunction)__pyx_pw_8_cdec_sa_7Sampler_3sample, METH_O, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_7Sampler_2sample)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_Sampler = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_Sampler = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_Sampler = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_Sampler = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_Sampler = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.Sampler"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_Sampler), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_Sampler, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_Sampler, /*tp_as_number*/
-  &__pyx_tp_as_sequence_Sampler, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_Sampler, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_Sampler, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  __Pyx_DOCSTR("A Sampler implements a logic for choosing\n    samples from a population range"), /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_Sampler, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_Sampler, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_Sampler, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_Sampler, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-static struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory;
-
-static PyObject *__pyx_tp_new_8_cdec_sa_HieroCachingRuleFactory(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_HieroCachingRuleFactory;
-  p->rules = ((struct __pyx_obj_8_cdec_sa_TrieTable *)Py_None); Py_INCREF(Py_None);
-  p->sampler = ((struct __pyx_obj_8_cdec_sa_Sampler *)Py_None); Py_INCREF(Py_None);
-  p->precomputed_index = Py_None; Py_INCREF(Py_None);
-  p->precomputed_collocations = Py_None; Py_INCREF(Py_None);
-  p->precompute_file = Py_None; Py_INCREF(Py_None);
-  p->max_rank = Py_None; Py_INCREF(Py_None);
-  p->prev_norm_prefix = Py_None; Py_INCREF(Py_None);
-  p->fsa = ((struct __pyx_obj_8_cdec_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
-  p->fda = ((struct __pyx_obj_8_cdec_sa_DataArray *)Py_None); Py_INCREF(Py_None);
-  p->eda = ((struct __pyx_obj_8_cdec_sa_DataArray *)Py_None); Py_INCREF(Py_None);
-  p->alignment = ((struct __pyx_obj_8_cdec_sa_Alignment *)Py_None); Py_INCREF(Py_None);
-  p->eid2symid = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->fid2symid = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->findexes = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->findexes1 = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa_HieroCachingRuleFactory(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *)o;
-  Py_XDECREF(((PyObject *)p->rules));
-  Py_XDECREF(((PyObject *)p->sampler));
-  Py_XDECREF(p->precomputed_index);
-  Py_XDECREF(p->precomputed_collocations);
-  Py_XDECREF(p->precompute_file);
-  Py_XDECREF(p->max_rank);
-  Py_XDECREF(p->prev_norm_prefix);
-  Py_XDECREF(((PyObject *)p->fsa));
-  Py_XDECREF(((PyObject *)p->fda));
-  Py_XDECREF(((PyObject *)p->eda));
-  Py_XDECREF(((PyObject *)p->alignment));
-  Py_XDECREF(((PyObject *)p->eid2symid));
-  Py_XDECREF(((PyObject *)p->fid2symid));
-  Py_XDECREF(((PyObject *)p->findexes));
-  Py_XDECREF(((PyObject *)p->findexes1));
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_HieroCachingRuleFactory(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *)o;
-  if (p->rules) {
-    e = (*v)(((PyObject*)p->rules), a); if (e) return e;
-  }
-  if (p->sampler) {
-    e = (*v)(((PyObject*)p->sampler), a); if (e) return e;
-  }
-  if (p->precomputed_index) {
-    e = (*v)(p->precomputed_index, a); if (e) return e;
-  }
-  if (p->precomputed_collocations) {
-    e = (*v)(p->precomputed_collocations, a); if (e) return e;
-  }
-  if (p->precompute_file) {
-    e = (*v)(p->precompute_file, a); if (e) return e;
-  }
-  if (p->max_rank) {
-    e = (*v)(p->max_rank, a); if (e) return e;
-  }
-  if (p->prev_norm_prefix) {
-    e = (*v)(p->prev_norm_prefix, a); if (e) return e;
-  }
-  if (p->fsa) {
-    e = (*v)(((PyObject*)p->fsa), a); if (e) return e;
-  }
-  if (p->fda) {
-    e = (*v)(((PyObject*)p->fda), a); if (e) return e;
-  }
-  if (p->eda) {
-    e = (*v)(((PyObject*)p->eda), a); if (e) return e;
-  }
-  if (p->alignment) {
-    e = (*v)(((PyObject*)p->alignment), a); if (e) return e;
-  }
-  if (p->eid2symid) {
-    e = (*v)(((PyObject*)p->eid2symid), a); if (e) return e;
-  }
-  if (p->fid2symid) {
-    e = (*v)(((PyObject*)p->fid2symid), a); if (e) return e;
-  }
-  if (p->findexes) {
-    e = (*v)(((PyObject*)p->findexes), a); if (e) return e;
-  }
-  if (p->findexes1) {
-    e = (*v)(((PyObject*)p->findexes1), a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_HieroCachingRuleFactory(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->rules);
-  p->rules = ((struct __pyx_obj_8_cdec_sa_TrieTable *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->sampler);
-  p->sampler = ((struct __pyx_obj_8_cdec_sa_Sampler *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->precomputed_index);
-  p->precomputed_index = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->precomputed_collocations);
-  p->precomputed_collocations = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->precompute_file);
-  p->precompute_file = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->max_rank);
-  p->max_rank = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->prev_norm_prefix);
-  p->prev_norm_prefix = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->fsa);
-  p->fsa = ((struct __pyx_obj_8_cdec_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->fda);
-  p->fda = ((struct __pyx_obj_8_cdec_sa_DataArray *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->eda);
-  p->eda = ((struct __pyx_obj_8_cdec_sa_DataArray *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->alignment);
-  p->alignment = ((struct __pyx_obj_8_cdec_sa_Alignment *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->eid2symid);
-  p->eid2symid = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->fid2symid);
-  p->fid2symid = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->findexes);
-  p->findexes = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->findexes1);
-  p->findexes1 = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_HieroCachingRuleFactory[] = {
-  {__Pyx_NAMESTR("configure"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_3configure, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_23HieroCachingRuleFactory_2configure)},
-  {__Pyx_NAMESTR("pattern2phrase"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_5pattern2phrase, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("pattern2phrase_plus"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_7pattern2phrase_plus, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("precompute"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_9precompute, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_precomputed_collocation"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_11get_precomputed_collocation, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("advance"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_13advance, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_all_nodes_isteps_away"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_15get_all_nodes_isteps_away, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("reachable"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_17reachable, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("shortest"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_19shortest, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_next_states"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_21get_next_states, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("input"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_23input, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_23HieroCachingRuleFactory_22input)},
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_HieroCachingRuleFactory = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_HieroCachingRuleFactory = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_HieroCachingRuleFactory = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_HieroCachingRuleFactory = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa_HieroCachingRuleFactory = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.HieroCachingRuleFactory"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_HieroCachingRuleFactory, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  &__pyx_tp_as_number_HieroCachingRuleFactory, /*tp_as_number*/
-  &__pyx_tp_as_sequence_HieroCachingRuleFactory, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_HieroCachingRuleFactory, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_HieroCachingRuleFactory, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  __Pyx_DOCSTR("This RuleFactory implements a caching \n    method using TrieTable, which makes phrase\n    generation somewhat speedier -- phrases only\n    need to be extracted once (however, it is\n    quite possible they need to be scored \n    for each input sentence, for contextual models)"), /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_HieroCachingRuleFactory, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_HieroCachingRuleFactory, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_HieroCachingRuleFactory, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_HieroCachingRuleFactory, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-};
-
-static PyObject *__pyx_tp_new_8_cdec_sa___pyx_scope_struct__compute_stats(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *)o);
-  p->__pyx_v_ngram = 0;
-  p->__pyx_v_ngram_start = 0;
-  p->__pyx_v_ngram_starts = 0;
-  p->__pyx_v_run_start = 0;
-  p->__pyx_v_self = 0;
-  p->__pyx_v_veb = 0;
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa___pyx_scope_struct__compute_stats(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *p = (struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *)o;
-  Py_XDECREF(((PyObject *)p->__pyx_v_ngram));
-  Py_XDECREF(((PyObject *)p->__pyx_v_ngram_start));
-  Py_XDECREF(((PyObject *)p->__pyx_v_ngram_starts));
-  Py_XDECREF(((PyObject *)p->__pyx_v_run_start));
-  Py_XDECREF(((PyObject *)p->__pyx_v_self));
-  Py_XDECREF(((PyObject *)p->__pyx_v_veb));
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa___pyx_scope_struct__compute_stats(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *p = (struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *)o;
-  if (p->__pyx_v_ngram) {
-    e = (*v)(p->__pyx_v_ngram, a); if (e) return e;
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-  if (p->__pyx_v_ngram_start) {
-    e = (*v)(((PyObject*)p->__pyx_v_ngram_start), a); if (e) return e;
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-  if (p->__pyx_v_ngram_starts) {
-    e = (*v)(p->__pyx_v_ngram_starts, a); if (e) return e;
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-  if (p->__pyx_v_run_start) {
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-  }
-  if (p->__pyx_v_self) {
-    e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
-  }
-  if (p->__pyx_v_veb) {
-    e = (*v)(((PyObject*)p->__pyx_v_veb), a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa___pyx_scope_struct__compute_stats(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *p = (struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->__pyx_v_ngram);
-  p->__pyx_v_ngram = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_ngram_start);
-  p->__pyx_v_ngram_start = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_ngram_starts);
-  p->__pyx_v_ngram_starts = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_run_start);
-  p->__pyx_v_run_start = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_self);
-  p->__pyx_v_self = ((struct __pyx_obj_8_cdec_sa_LCP *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_veb);
-  p->__pyx_v_veb = ((struct __pyx_obj_8_cdec_sa_VEB *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa___pyx_scope_struct__compute_stats[] = {
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct__compute_stats = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
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-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
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-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
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-  0, /*nb_oct*/
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-  0, /*nb_hex*/
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-  0, /*nb_inplace_divide*/
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-  0, /*nb_inplace_lshift*/
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-  0, /*nb_inplace_and*/
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-  0, /*nb_floor_divide*/
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-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
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-
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct__compute_stats = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
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-
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct__compute_stats = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct__compute_stats = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
-static PyTypeObject __pyx_type_8_cdec_sa___pyx_scope_struct__compute_stats = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.__pyx_scope_struct__compute_stats"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa___pyx_scope_struct__compute_stats, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
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-  0, /*reserved*/
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-  0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct__compute_stats, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct__compute_stats, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct__compute_stats, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer___pyx_scope_struct__compute_stats, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa___pyx_scope_struct__compute_stats, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa___pyx_scope_struct__compute_stats, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa___pyx_scope_struct__compute_stats, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa___pyx_scope_struct__compute_stats, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
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-
-static PyObject *__pyx_tp_new_8_cdec_sa___pyx_scope_struct_1_input(PyTypeObject *t, PyObject *a, PyObject *k) {
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-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
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-  p->__pyx_v_alignment = 0;
-  p->__pyx_v_als = 0;
-  p->__pyx_v_alslist = 0;
-  p->__pyx_v_chunklen = 0;
-  p->__pyx_v_count = 0;
-  p->__pyx_v_currcount = 0;
-  p->__pyx_v_e = 0;
-  p->__pyx_v_elist = 0;
-  p->__pyx_v_extract = 0;
-  p->__pyx_v_extract_start = 0;
-  p->__pyx_v_extract_stop = 0;
-  p->__pyx_v_extracts = 0;
-  p->__pyx_v_f = 0;
-  p->__pyx_v_f_margin = 0;
-  p->__pyx_v_fals = 0;
-  p->__pyx_v_fcount = 0;
-  p->__pyx_v_fphrases = 0;
-  p->__pyx_v_frontier = 0;
-  p->__pyx_v_frontier_nodes = 0;
-  p->__pyx_v_fwords = 0;
-  p->__pyx_v_hiero_phrase = 0;
-  p->__pyx_v_is_shadow_path = 0;
-  p->__pyx_v_key = 0;
-  p->__pyx_v_model = 0;
-  p->__pyx_v_models = 0;
-  p->__pyx_v_new_frontier = 0;
-  p->__pyx_v_new_node = 0;
-  p->__pyx_v_next_states = 0;
-  p->__pyx_v_node = 0;
-  p->__pyx_v_nodes_isteps_away_buffer = 0;
-  p->__pyx_v_pathlen = 0;
-  p->__pyx_v_phrase = 0;
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-  p->__pyx_v_prefix = 0;
-  p->__pyx_v_reachable_buffer = 0;
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-  p->__pyx_v_scores = 0;
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-  p->__pyx_v_str_phrase = 0;
-  p->__pyx_v_suffix_link = 0;
-  p->__pyx_v_suffix_link_xcat_index = 0;
-  p->__pyx_v_word_id = 0;
-  p->__pyx_v_xcat_index = 0;
-  p->__pyx_v_xnode = 0;
-  p->__pyx_v_xroot = 0;
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-  p->__pyx_t_3 = 0;
-  p->__pyx_t_4 = 0;
-  return o;
-}
-
-static void __pyx_tp_dealloc_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *p = (struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *)o;
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-  Py_XDECREF(p->__pyx_v_als);
-  Py_XDECREF(p->__pyx_v_alslist);
-  Py_XDECREF(((PyObject *)p->__pyx_v_chunklen));
-  Py_XDECREF(p->__pyx_v_count);
-  Py_XDECREF(p->__pyx_v_currcount);
-  Py_XDECREF(p->__pyx_v_e);
-  Py_XDECREF(p->__pyx_v_elist);
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-  Py_XDECREF(p->__pyx_v_extract_start);
-  Py_XDECREF(p->__pyx_v_extract_stop);
-  Py_XDECREF(((PyObject *)p->__pyx_v_extracts));
-  Py_XDECREF(p->__pyx_v_f);
-  Py_XDECREF(p->__pyx_v_f_margin);
-  Py_XDECREF(((PyObject *)p->__pyx_v_fals));
-  Py_XDECREF(((PyObject *)p->__pyx_v_fcount));
-  Py_XDECREF(((PyObject *)p->__pyx_v_fphrases));
-  Py_XDECREF(((PyObject *)p->__pyx_v_frontier));
-  Py_XDECREF(p->__pyx_v_frontier_nodes);
-  Py_XDECREF(p->__pyx_v_fwords);
-  Py_XDECREF(((PyObject *)p->__pyx_v_hiero_phrase));
-  Py_XDECREF(p->__pyx_v_is_shadow_path);
-  Py_XDECREF(((PyObject *)p->__pyx_v_key));
-  Py_XDECREF(p->__pyx_v_model);
-  Py_XDECREF(p->__pyx_v_models);
-  Py_XDECREF(((PyObject *)p->__pyx_v_new_frontier));
-  Py_XDECREF(p->__pyx_v_new_node);
-  Py_XDECREF(((PyObject *)p->__pyx_v_next_states));
-  Py_XDECREF(p->__pyx_v_node);
-  Py_XDECREF(((PyObject *)p->__pyx_v_nodes_isteps_away_buffer));
-  Py_XDECREF(p->__pyx_v_pathlen);
-  Py_XDECREF(p->__pyx_v_phrase);
-  Py_XDECREF(((PyObject *)p->__pyx_v_phrase_location));
-  Py_XDECREF(p->__pyx_v_prefix);
-  Py_XDECREF(((PyObject *)p->__pyx_v_reachable_buffer));
-  Py_XDECREF(p->__pyx_v_sa_range);
-  Py_XDECREF(((PyObject *)p->__pyx_v_sample));
-  Py_XDECREF(((PyObject *)p->__pyx_v_scores));
-  Py_XDECREF(((PyObject *)p->__pyx_v_self));
-  Py_XDECREF(p->__pyx_v_spanlen);
-  Py_XDECREF(p->__pyx_v_stop_time);
-  Py_XDECREF(p->__pyx_v_str_phrase);
-  Py_XDECREF(p->__pyx_v_suffix_link);
-  Py_XDECREF(p->__pyx_v_suffix_link_xcat_index);
-  Py_XDECREF(p->__pyx_v_word_id);
-  Py_XDECREF(p->__pyx_v_xcat_index);
-  Py_XDECREF(p->__pyx_v_xnode);
-  Py_XDECREF(p->__pyx_v_xroot);
-  Py_XDECREF(p->__pyx_t_2);
-  Py_XDECREF(p->__pyx_t_3);
-  Py_XDECREF(p->__pyx_t_4);
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *p = (struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *)o;
-  if (p->__pyx_v_alignment) {
-    e = (*v)(p->__pyx_v_alignment, a); if (e) return e;
-  }
-  if (p->__pyx_v_als) {
-    e = (*v)(p->__pyx_v_als, a); if (e) return e;
-  }
-  if (p->__pyx_v_alslist) {
-    e = (*v)(p->__pyx_v_alslist, a); if (e) return e;
-  }
-  if (p->__pyx_v_chunklen) {
-    e = (*v)(((PyObject*)p->__pyx_v_chunklen), a); if (e) return e;
-  }
-  if (p->__pyx_v_count) {
-    e = (*v)(p->__pyx_v_count, a); if (e) return e;
-  }
-  if (p->__pyx_v_currcount) {
-    e = (*v)(p->__pyx_v_currcount, a); if (e) return e;
-  }
-  if (p->__pyx_v_e) {
-    e = (*v)(p->__pyx_v_e, a); if (e) return e;
-  }
-  if (p->__pyx_v_elist) {
-    e = (*v)(p->__pyx_v_elist, a); if (e) return e;
-  }
-  if (p->__pyx_v_extract) {
-    e = (*v)(p->__pyx_v_extract, a); if (e) return e;
-  }
-  if (p->__pyx_v_extract_start) {
-    e = (*v)(p->__pyx_v_extract_start, a); if (e) return e;
-  }
-  if (p->__pyx_v_extract_stop) {
-    e = (*v)(p->__pyx_v_extract_stop, a); if (e) return e;
-  }
-  if (p->__pyx_v_extracts) {
-    e = (*v)(p->__pyx_v_extracts, a); if (e) return e;
-  }
-  if (p->__pyx_v_f) {
-    e = (*v)(p->__pyx_v_f, a); if (e) return e;
-  }
-  if (p->__pyx_v_f_margin) {
-    e = (*v)(p->__pyx_v_f_margin, a); if (e) return e;
-  }
-  if (p->__pyx_v_fals) {
-    e = (*v)(p->__pyx_v_fals, a); if (e) return e;
-  }
-  if (p->__pyx_v_fcount) {
-    e = (*v)(p->__pyx_v_fcount, a); if (e) return e;
-  }
-  if (p->__pyx_v_fphrases) {
-    e = (*v)(p->__pyx_v_fphrases, a); if (e) return e;
-  }
-  if (p->__pyx_v_frontier) {
-    e = (*v)(p->__pyx_v_frontier, a); if (e) return e;
-  }
-  if (p->__pyx_v_frontier_nodes) {
-    e = (*v)(p->__pyx_v_frontier_nodes, a); if (e) return e;
-  }
-  if (p->__pyx_v_fwords) {
-    e = (*v)(p->__pyx_v_fwords, a); if (e) return e;
-  }
-  if (p->__pyx_v_hiero_phrase) {
-    e = (*v)(((PyObject*)p->__pyx_v_hiero_phrase), a); if (e) return e;
-  }
-  if (p->__pyx_v_is_shadow_path) {
-    e = (*v)(p->__pyx_v_is_shadow_path, a); if (e) return e;
-  }
-  if (p->__pyx_v_key) {
-    e = (*v)(p->__pyx_v_key, a); if (e) return e;
-  }
-  if (p->__pyx_v_model) {
-    e = (*v)(p->__pyx_v_model, a); if (e) return e;
-  }
-  if (p->__pyx_v_models) {
-    e = (*v)(p->__pyx_v_models, a); if (e) return e;
-  }
-  if (p->__pyx_v_new_frontier) {
-    e = (*v)(p->__pyx_v_new_frontier, a); if (e) return e;
-  }
-  if (p->__pyx_v_new_node) {
-    e = (*v)(p->__pyx_v_new_node, a); if (e) return e;
-  }
-  if (p->__pyx_v_next_states) {
-    e = (*v)(p->__pyx_v_next_states, a); if (e) return e;
-  }
-  if (p->__pyx_v_node) {
-    e = (*v)(p->__pyx_v_node, a); if (e) return e;
-  }
-  if (p->__pyx_v_nodes_isteps_away_buffer) {
-    e = (*v)(p->__pyx_v_nodes_isteps_away_buffer, a); if (e) return e;
-  }
-  if (p->__pyx_v_pathlen) {
-    e = (*v)(p->__pyx_v_pathlen, a); if (e) return e;
-  }
-  if (p->__pyx_v_phrase) {
-    e = (*v)(p->__pyx_v_phrase, a); if (e) return e;
-  }
-  if (p->__pyx_v_phrase_location) {
-    e = (*v)(((PyObject*)p->__pyx_v_phrase_location), a); if (e) return e;
-  }
-  if (p->__pyx_v_prefix) {
-    e = (*v)(p->__pyx_v_prefix, a); if (e) return e;
-  }
-  if (p->__pyx_v_reachable_buffer) {
-    e = (*v)(p->__pyx_v_reachable_buffer, a); if (e) return e;
-  }
-  if (p->__pyx_v_sa_range) {
-    e = (*v)(p->__pyx_v_sa_range, a); if (e) return e;
-  }
-  if (p->__pyx_v_sample) {
-    e = (*v)(((PyObject*)p->__pyx_v_sample), a); if (e) return e;
-  }
-  if (p->__pyx_v_scores) {
-    e = (*v)(p->__pyx_v_scores, a); if (e) return e;
-  }
-  if (p->__pyx_v_self) {
-    e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
-  }
-  if (p->__pyx_v_spanlen) {
-    e = (*v)(p->__pyx_v_spanlen, a); if (e) return e;
-  }
-  if (p->__pyx_v_stop_time) {
-    e = (*v)(p->__pyx_v_stop_time, a); if (e) return e;
-  }
-  if (p->__pyx_v_str_phrase) {
-    e = (*v)(p->__pyx_v_str_phrase, a); if (e) return e;
-  }
-  if (p->__pyx_v_suffix_link) {
-    e = (*v)(p->__pyx_v_suffix_link, a); if (e) return e;
-  }
-  if (p->__pyx_v_suffix_link_xcat_index) {
-    e = (*v)(p->__pyx_v_suffix_link_xcat_index, a); if (e) return e;
-  }
-  if (p->__pyx_v_word_id) {
-    e = (*v)(p->__pyx_v_word_id, a); if (e) return e;
-  }
-  if (p->__pyx_v_xcat_index) {
-    e = (*v)(p->__pyx_v_xcat_index, a); if (e) return e;
-  }
-  if (p->__pyx_v_xnode) {
-    e = (*v)(p->__pyx_v_xnode, a); if (e) return e;
-  }
-  if (p->__pyx_v_xroot) {
-    e = (*v)(p->__pyx_v_xroot, a); if (e) return e;
-  }
-  if (p->__pyx_t_2) {
-    e = (*v)(p->__pyx_t_2, a); if (e) return e;
-  }
-  if (p->__pyx_t_3) {
-    e = (*v)(p->__pyx_t_3, a); if (e) return e;
-  }
-  if (p->__pyx_t_4) {
-    e = (*v)(p->__pyx_t_4, a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *p = (struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->__pyx_v_alignment);
-  p->__pyx_v_alignment = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_als);
-  p->__pyx_v_als = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_alslist);
-  p->__pyx_v_alslist = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_chunklen);
-  p->__pyx_v_chunklen = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_count);
-  p->__pyx_v_count = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_currcount);
-  p->__pyx_v_currcount = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_e);
-  p->__pyx_v_e = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_elist);
-  p->__pyx_v_elist = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_extract);
-  p->__pyx_v_extract = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_extract_start);
-  p->__pyx_v_extract_start = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_extract_stop);
-  p->__pyx_v_extract_stop = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_extracts);
-  p->__pyx_v_extracts = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_f);
-  p->__pyx_v_f = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_f_margin);
-  p->__pyx_v_f_margin = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_fals);
-  p->__pyx_v_fals = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_fcount);
-  p->__pyx_v_fcount = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_fphrases);
-  p->__pyx_v_fphrases = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_frontier);
-  p->__pyx_v_frontier = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_frontier_nodes);
-  p->__pyx_v_frontier_nodes = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_fwords);
-  p->__pyx_v_fwords = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_hiero_phrase);
-  p->__pyx_v_hiero_phrase = ((struct __pyx_obj_8_cdec_sa_Phrase *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_is_shadow_path);
-  p->__pyx_v_is_shadow_path = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_key);
-  p->__pyx_v_key = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_model);
-  p->__pyx_v_model = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_models);
-  p->__pyx_v_models = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_new_frontier);
-  p->__pyx_v_new_frontier = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_new_node);
-  p->__pyx_v_new_node = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_next_states);
-  p->__pyx_v_next_states = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_node);
-  p->__pyx_v_node = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_nodes_isteps_away_buffer);
-  p->__pyx_v_nodes_isteps_away_buffer = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_pathlen);
-  p->__pyx_v_pathlen = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_phrase);
-  p->__pyx_v_phrase = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_phrase_location);
-  p->__pyx_v_phrase_location = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_prefix);
-  p->__pyx_v_prefix = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_reachable_buffer);
-  p->__pyx_v_reachable_buffer = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_sa_range);
-  p->__pyx_v_sa_range = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_sample);
-  p->__pyx_v_sample = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_scores);
-  p->__pyx_v_scores = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_self);
-  p->__pyx_v_self = ((struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_spanlen);
-  p->__pyx_v_spanlen = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_stop_time);
-  p->__pyx_v_stop_time = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_str_phrase);
-  p->__pyx_v_str_phrase = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_suffix_link);
-  p->__pyx_v_suffix_link = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_suffix_link_xcat_index);
-  p->__pyx_v_suffix_link_xcat_index = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_word_id);
-  p->__pyx_v_word_id = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_xcat_index);
-  p->__pyx_v_xcat_index = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_xnode);
-  p->__pyx_v_xnode = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_xroot);
-  p->__pyx_v_xroot = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_t_2);
-  p->__pyx_t_2 = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_t_3);
-  p->__pyx_t_3 = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_t_4);
-  p->__pyx_t_4 = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa___pyx_scope_struct_1_input[] = {
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_1_input = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_1_input = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
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-  if (__Pyx_SetAttrString(__pyx_m, "DataArray", (PyObject *)&__pyx_type_8_cdec_sa_DataArray) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_ptype_8_cdec_sa_VEB = &__pyx_type_8_cdec_sa_VEB;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_LCP) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "LCP", (PyObject *)&__pyx_type_8_cdec_sa_LCP) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_LCP = &__pyx_type_8_cdec_sa_LCP;
-  __pyx_vtabptr_8_cdec_sa_Alphabet = &__pyx_vtable_8_cdec_sa_Alphabet;
-  __pyx_vtable_8_cdec_sa_Alphabet.isvar = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int))__pyx_f_8_cdec_sa_8Alphabet_isvar;
-  __pyx_vtable_8_cdec_sa_Alphabet.isword = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int))__pyx_f_8_cdec_sa_8Alphabet_isword;
-  __pyx_vtable_8_cdec_sa_Alphabet.getindex = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int))__pyx_f_8_cdec_sa_8Alphabet_getindex;
-  __pyx_vtable_8_cdec_sa_Alphabet.setindex = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int, int))__pyx_f_8_cdec_sa_8Alphabet_setindex;
-  __pyx_vtable_8_cdec_sa_Alphabet.clearindex = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int))__pyx_f_8_cdec_sa_8Alphabet_clearindex;
-  __pyx_vtable_8_cdec_sa_Alphabet.match = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int, int))__pyx_f_8_cdec_sa_8Alphabet_match;
-  __pyx_vtable_8_cdec_sa_Alphabet.tocat = (char *(*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int))__pyx_f_8_cdec_sa_8Alphabet_tocat;
-  __pyx_vtable_8_cdec_sa_Alphabet.fromcat = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, char *))__pyx_f_8_cdec_sa_8Alphabet_fromcat;
-  __pyx_vtable_8_cdec_sa_Alphabet.tostring = (char *(*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int))__pyx_f_8_cdec_sa_8Alphabet_tostring;
-  __pyx_vtable_8_cdec_sa_Alphabet.fromstring = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, char *, int))__pyx_f_8_cdec_sa_8Alphabet_fromstring;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_Alphabet) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_Alphabet.tp_dict, __pyx_vtabptr_8_cdec_sa_Alphabet) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Alphabet", (PyObject *)&__pyx_type_8_cdec_sa_Alphabet) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_Alphabet = &__pyx_type_8_cdec_sa_Alphabet;
-  __pyx_vtabptr_8_cdec_sa_Phrase = &__pyx_vtable_8_cdec_sa_Phrase;
-  __pyx_vtable_8_cdec_sa_Phrase.chunkpos = (int (*)(struct __pyx_obj_8_cdec_sa_Phrase *, int))__pyx_f_8_cdec_sa_6Phrase_chunkpos;
-  __pyx_vtable_8_cdec_sa_Phrase.chunklen = (int (*)(struct __pyx_obj_8_cdec_sa_Phrase *, int))__pyx_f_8_cdec_sa_6Phrase_chunklen;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_Phrase) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_Phrase.tp_dict, __pyx_vtabptr_8_cdec_sa_Phrase) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Phrase", (PyObject *)&__pyx_type_8_cdec_sa_Phrase) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_Phrase = &__pyx_type_8_cdec_sa_Phrase;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_Rule) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Rule", (PyObject *)&__pyx_type_8_cdec_sa_Rule) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_Rule = &__pyx_type_8_cdec_sa_Rule;
-  __pyx_vtabptr_8_cdec_sa_TrieMap = &__pyx_vtable_8_cdec_sa_TrieMap;
-  __pyx_vtable_8_cdec_sa_TrieMap._insert = (struct __pyx_t_8_cdec_sa__Trie_Node *(*)(struct __pyx_obj_8_cdec_sa_TrieMap *, int *, int))__pyx_f_8_cdec_sa_7TrieMap__insert;
-  __pyx_vtable_8_cdec_sa_TrieMap._contains = (struct __pyx_t_8_cdec_sa__Trie_Node *(*)(struct __pyx_obj_8_cdec_sa_TrieMap *, int *, int))__pyx_f_8_cdec_sa_7TrieMap__contains;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_TrieMap) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_TrieMap.tp_dict, __pyx_vtabptr_8_cdec_sa_TrieMap) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "TrieMap", (PyObject *)&__pyx_type_8_cdec_sa_TrieMap) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_TrieMap = &__pyx_type_8_cdec_sa_TrieMap;
-  __pyx_vtabptr_8_cdec_sa_Precomputation = &__pyx_vtable_8_cdec_sa_Precomputation;
-  __pyx_vtable_8_cdec_sa_Precomputation.read_map = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_Precomputation *, FILE *))__pyx_f_8_cdec_sa_14Precomputation_read_map;
-  __pyx_vtable_8_cdec_sa_Precomputation.write_map = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_Precomputation *, PyObject *, FILE *))__pyx_f_8_cdec_sa_14Precomputation_write_map;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_Precomputation) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_Precomputation.tp_dict, __pyx_vtabptr_8_cdec_sa_Precomputation) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Precomputation", (PyObject *)&__pyx_type_8_cdec_sa_Precomputation) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_Precomputation = &__pyx_type_8_cdec_sa_Precomputation;
-  __pyx_vtabptr_8_cdec_sa_SuffixArray = &__pyx_vtable_8_cdec_sa_SuffixArray;
-  __pyx_vtable_8_cdec_sa_SuffixArray.__pyx___search_high = (int (*)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int))__pyx_f_8_cdec_sa_11SuffixArray___search_high;
-  __pyx_vtable_8_cdec_sa_SuffixArray.__pyx___search_low = (int (*)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int))__pyx_f_8_cdec_sa_11SuffixArray___search_low;
-  __pyx_vtable_8_cdec_sa_SuffixArray.__pyx___get_range = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int, int))__pyx_f_8_cdec_sa_11SuffixArray___get_range;
-  __pyx_vtable_8_cdec_sa_SuffixArray.__pyx___lookup_helper = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int))__pyx_f_8_cdec_sa_11SuffixArray___lookup_helper;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_SuffixArray.tp_dict, __pyx_vtabptr_8_cdec_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "SuffixArray", (PyObject *)&__pyx_type_8_cdec_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_SuffixArray = &__pyx_type_8_cdec_sa_SuffixArray;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "TrieNode", (PyObject *)&__pyx_type_8_cdec_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_TrieNode = &__pyx_type_8_cdec_sa_TrieNode;
-  __pyx_type_8_cdec_sa_ExtendedTrieNode.tp_base = __pyx_ptype_8_cdec_sa_TrieNode;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "ExtendedTrieNode", (PyObject *)&__pyx_type_8_cdec_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_ExtendedTrieNode = &__pyx_type_8_cdec_sa_ExtendedTrieNode;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "TrieTable", (PyObject *)&__pyx_type_8_cdec_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_TrieTable = &__pyx_type_8_cdec_sa_TrieTable;
-  __pyx_vtabptr_8_cdec_sa_PhraseLocation = &__pyx_vtable_8_cdec_sa_PhraseLocation;
-  __pyx_vtable_8_cdec_sa_PhraseLocation.contains = (int (*)(struct __pyx_obj_8_cdec_sa_PhraseLocation *, int))__pyx_f_8_cdec_sa_14PhraseLocation_contains;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_PhraseLocation.tp_dict, __pyx_vtabptr_8_cdec_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "PhraseLocation", (PyObject *)&__pyx_type_8_cdec_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_PhraseLocation = &__pyx_type_8_cdec_sa_PhraseLocation;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 79; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Sampler", (PyObject *)&__pyx_type_8_cdec_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 79; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_Sampler = &__pyx_type_8_cdec_sa_Sampler;
-  __pyx_vtabptr_8_cdec_sa_HieroCachingRuleFactory = &__pyx_vtable_8_cdec_sa_HieroCachingRuleFactory;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.set_idmap = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_DataArray *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_set_idmap;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.baeza_yates_helper = (int *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.compare_matchings_set = (long (*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int, struct __pyx_t_8_cdec_sa_Matching *, int, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_compare_matchings_set;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.compare_matchings = (long (*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_t_8_cdec_sa_Matching *, struct __pyx_t_8_cdec_sa_Matching *, int, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_compare_matchings;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.merge_helper = (int *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_merge_helper;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.sort_phrase_loc = (void (*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_IntList *, struct __pyx_obj_8_cdec_sa_PhraseLocation *, struct __pyx_obj_8_cdec_sa_Phrase *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_sort_phrase_loc;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.intersect_helper = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_Phrase *, struct __pyx_obj_8_cdec_sa_Phrase *, struct __pyx_obj_8_cdec_sa_PhraseLocation *, struct __pyx_obj_8_cdec_sa_PhraseLocation *, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.loc2str = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_PhraseLocation *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_loc2str;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.intersect = (struct __pyx_obj_8_cdec_sa_PhraseLocation *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, PyObject *, PyObject *, struct __pyx_obj_8_cdec_sa_Phrase *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.find_fixpoint = (int (*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, PyObject *, int *, int *, int *, int *, int, int, int *, int *, int *, int *, int, int, int, int, int, int, int, int, int, int, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.find_projection = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_projection;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.int_arr_extend = (int *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int *, int *, int *, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_int_arr_extend;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.extract_phrases = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int, int, int, int *, int *, int *, int, int, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.create_alignments = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int *, int, PyObject *, PyObject *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_create_alignments;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.extract = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_Phrase *, struct __pyx_t_8_cdec_sa_Matching *, int *, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_HieroCachingRuleFactory.tp_dict, __pyx_vtabptr_8_cdec_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "HieroCachingRuleFactory", (PyObject *)&__pyx_type_8_cdec_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_HieroCachingRuleFactory = &__pyx_type_8_cdec_sa_HieroCachingRuleFactory;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa___pyx_scope_struct__compute_stats) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 36; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa___pyx_scope_struct__compute_stats = &__pyx_type_8_cdec_sa___pyx_scope_struct__compute_stats;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa___pyx_scope_struct_1_input) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 919; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa___pyx_scope_struct_1_input = &__pyx_type_8_cdec_sa___pyx_scope_struct_1_input;
-  /*--- Type import code ---*/
-  /*--- Variable import code ---*/
-  /*--- Function import code ---*/
-  /*--- Execution code ---*/
-
-  /* "_cdec_sa.pyx":1
- * import logging             # <<<<<<<<<<<<<<
- * import resource
- * import gzip
- */
-  __pyx_t_1 = __Pyx_Import(((PyObject *)__pyx_n_s__logging), 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__logging, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-
-  /* "_cdec_sa.pyx":2
- * import logging
- * import resource             # <<<<<<<<<<<<<<
- * import gzip
- * 
- */
-  __pyx_t_1 = __Pyx_Import(((PyObject *)__pyx_n_s__resource), 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__resource, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-
-  /* "_cdec_sa.pyx":3
- * import logging
- * import resource
- * import gzip             # <<<<<<<<<<<<<<
- * 
- * cdef float monitor_cpu():
- */
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-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->curexc_type;
-    *value = tstate->curexc_value;
-    *tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(type, value, tb);
-#endif
-}
-
-#if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
-    Py_XINCREF(type);
-    Py_XINCREF(value);
-    Py_XINCREF(tb);
-    if (tb == Py_None) {
-        Py_DECREF(tb);
-        tb = 0;
-    }
-    else if (tb != NULL && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto raise_error;
-    }
-    if (value == NULL) {
-        value = Py_None;
-        Py_INCREF(value);
-    }
-    #if PY_VERSION_HEX < 0x02050000
-    if (!PyClass_Check(type))
-    #else
-    if (!PyType_Check(type))
-    #endif
-    {
-        if (value != Py_None) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto raise_error;
-        }
-        Py_DECREF(value);
-        value = type;
-        #if PY_VERSION_HEX < 0x02050000
-            if (PyInstance_Check(type)) {
-                type = (PyObject*) ((PyInstanceObject*)type)->in_class;
-                Py_INCREF(type);
-            }
-            else {
-                type = 0;
-                PyErr_SetString(PyExc_TypeError,
-                    "raise: exception must be an old-style class or instance");
-                goto raise_error;
-            }
-        #else
-            type = (PyObject*) Py_TYPE(type);
-            Py_INCREF(type);
-            if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-                PyErr_SetString(PyExc_TypeError,
-                    "raise: exception class must be a subclass of BaseException");
-                goto raise_error;
-            }
-        #endif
-    }
-    __Pyx_ErrRestore(type, value, tb);
-    return;
-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
-}
-#else /* Python 3+ */
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
-    }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (!PyExceptionClass_Check(type)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
-    }
-    if (cause) {
-        PyObject *fixed_cause;
-        if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
-        }
-        else if (PyExceptionInstance_Check(cause)) {
-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
-        }
-        else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
-        }
-        if (!value) {
-            value = PyObject_CallObject(type, NULL);
-        }
-        PyException_SetCause(value, fixed_cause);
-    }
-    PyErr_SetObject(type, value);
-    if (tb) {
-        PyThreadState *tstate = PyThreadState_GET();
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
-        }
-    }
-bad:
-    return;
-}
-#endif
-
-static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
-    if (unlikely(!type)) {
-        PyErr_Format(PyExc_SystemError, "Missing type object");
-        return 0;
-    }
-    if (likely(PyObject_TypeCheck(obj, type)))
-        return 1;
-    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
-                 Py_TYPE(obj)->tp_name, type->tp_name);
-    return 0;
-}
-
-static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
-    PyObject *kwdict,
-    const char* function_name,
-    int kw_allowed)
-{
-    PyObject* key = 0;
-    Py_ssize_t pos = 0;
-    while (PyDict_Next(kwdict, &pos, &key, 0)) {
-        #if PY_MAJOR_VERSION < 3
-        if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
-        #else
-        if (unlikely(!PyUnicode_Check(key)))
-        #endif
-            goto invalid_keyword_type;
-    }
-    if ((!kw_allowed) && unlikely(key))
-        goto invalid_keyword;
-    return 1;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%s() keywords must be strings", function_name);
-    return 0;
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%s() got an unexpected keyword argument '%s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-    return 0;
-}
-
-
-
-static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *local_type, *local_value, *local_tb;
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    local_type = tstate->curexc_type;
-    local_value = tstate->curexc_value;
-    local_tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
-    if (unlikely(tstate->curexc_type))
-        goto bad;
-    #if PY_MAJOR_VERSION >= 3
-    if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
-        goto bad;
-    #endif
-    *type = local_type;
-    *value = local_value;
-    *tb = local_tb;
-    Py_INCREF(local_type);
-    Py_INCREF(local_value);
-    Py_INCREF(local_tb);
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = local_type;
-    tstate->exc_value = local_value;
-    tstate->exc_traceback = local_tb;
-    /* Make sure tstate is in a consistent state when we XDECREF
-       these objects (XDECREF may run arbitrary code). */
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-    return 0;
-bad:
-    *type = 0;
-    *value = 0;
-    *tb = 0;
-    Py_XDECREF(local_type);
-    Py_XDECREF(local_value);
-    Py_XDECREF(local_tb);
-    return -1;
-}
-
-static CYTHON_INLINE long __Pyx_div_long(long a, long b) {
-    long q = a / b;
-    long r = a - q*b;
-    q -= ((r != 0) & ((r ^ b) < 0));
-    return q;
-}
-
-static CYTHON_INLINE long __Pyx_mod_long(long a, long b) {
-    long r = a % b;
-    r += ((r != 0) & ((r ^ b) < 0)) * b;
-    return r;
-}
-
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
-    PyErr_Format(PyExc_ValueError,
-                 "need more than %"PY_FORMAT_SIZE_T"d value%s to unpack",
-                 index, (index == 1) ? "" : "s");
-}
-
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
-    PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %"PY_FORMAT_SIZE_T"d)", expected);
-}
-
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
-    if (unlikely(retval)) {
-        Py_DECREF(retval);
-        __Pyx_RaiseTooManyValuesError(expected);
-        return -1;
-    } else if (PyErr_Occurred()) {
-        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
-            PyErr_Clear();
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-}
-
-
-
-static double __Pyx__PyObject_AsDouble(PyObject* obj) {
-    PyObject* float_value;
-    if (Py_TYPE(obj)->tp_as_number && Py_TYPE(obj)->tp_as_number->nb_float) {
-        return PyFloat_AsDouble(obj);
-    } else if (PyUnicode_CheckExact(obj) || PyBytes_CheckExact(obj)) {
-#if PY_MAJOR_VERSION >= 3
-        float_value = PyFloat_FromString(obj);
-#else
-        float_value = PyFloat_FromString(obj, 0);
-#endif
-    } else {
-        PyObject* args = PyTuple_New(1);
-        if (unlikely(!args)) goto bad;
-        PyTuple_SET_ITEM(args, 0, obj);
-        float_value = PyObject_Call((PyObject*)&PyFloat_Type, args, 0);
-        PyTuple_SET_ITEM(args, 0, 0);
-        Py_DECREF(args);
-    }
-    if (likely(float_value)) {
-        double value = PyFloat_AS_DOUBLE(float_value);
-        Py_DECREF(float_value);
-        return value;
-    }
-bad:
-    return (double)-1;
-}
-
-static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) {
-    PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname);
-}
-
-static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
-    const char *name, int exact)
-{
-    if (!type) {
-        PyErr_Format(PyExc_SystemError, "Missing type object");
-        return 0;
-    }
-    if (none_allowed && obj == Py_None) return 1;
-    else if (exact) {
-        if (Py_TYPE(obj) == type) return 1;
-    }
-    else {
-        if (PyObject_TypeCheck(obj, type)) return 1;
-    }
-    PyErr_Format(PyExc_TypeError,
-        "Argument '%s' has incorrect type (expected %s, got %s)",
-        name, type->tp_name, Py_TYPE(obj)->tp_name);
-    return 0;
-}
-
-static CYTHON_INLINE void __Pyx_RaiseNoneIndexingError(void) {
-    PyErr_SetString(PyExc_TypeError, "'NoneType' object is unsubscriptable");
-}
-
-static CYTHON_INLINE int __Pyx_div_int(int a, int b) {
-    int q = a / b;
-    int r = a - q*b;
-    q -= ((r != 0) & ((r ^ b) < 0));
-    return q;
-}
-
-static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->exc_type;
-    *value = tstate->exc_value;
-    *tb = tstate->exc_traceback;
-    Py_XINCREF(*type);
-    Py_XINCREF(*value);
-    Py_XINCREF(*tb);
-}
-static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = type;
-    tstate->exc_value = value;
-    tstate->exc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-}
-
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level) {
-    PyObject *py_import = 0;
-    PyObject *empty_list = 0;
-    PyObject *module = 0;
-    PyObject *global_dict = 0;
-    PyObject *empty_dict = 0;
-    PyObject *list;
-    py_import = __Pyx_GetAttrString(__pyx_b, "__import__");
-    if (!py_import)
-        goto bad;
-    if (from_list)
-        list = from_list;
-    else {
-        empty_list = PyList_New(0);
-        if (!empty_list)
-            goto bad;
-        list = empty_list;
-    }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
-    empty_dict = PyDict_New();
-    if (!empty_dict)
-        goto bad;
-    #if PY_VERSION_HEX >= 0x02050000
-    {
-        #if PY_MAJOR_VERSION >= 3
-        if (level == -1) {
-            if (strchr(__Pyx_MODULE_NAME, '.')) {
-                /* try package relative import first */
-                PyObject *py_level = PyInt_FromLong(1);
-                if (!py_level)
-                    goto bad;
-                module = PyObject_CallFunctionObjArgs(py_import,
-                    name, global_dict, empty_dict, list, py_level, NULL);
-                Py_DECREF(py_level);
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
-                        goto bad;
-                    PyErr_Clear();
-                }
-            }
-            level = 0; /* try absolute import on failure */
-        }
-        #endif
-        if (!module) {
-            PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
-                goto bad;
-            module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, NULL);
-            Py_DECREF(py_level);
-        }
-    }
-    #else
-    if (level>0) {
-        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
-        goto bad;
-    }
-    module = PyObject_CallFunctionObjArgs(py_import,
-        name, global_dict, empty_dict, list, NULL);
-    #endif
-bad:
-    Py_XDECREF(empty_list);
-    Py_XDECREF(py_import);
-    Py_XDECREF(empty_dict);
-    return module;
-}
-
-static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) {
-    const unsigned char neg_one = (unsigned char)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(unsigned char) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(unsigned char)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to unsigned char" :
-                    "value too large to convert to unsigned char");
-            }
-            return (unsigned char)-1;
-        }
-        return (unsigned char)val;
-    }
-    return (unsigned char)__Pyx_PyInt_AsUnsignedLong(x);
-}
-
-static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject* x) {
-    const unsigned short neg_one = (unsigned short)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(unsigned short) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(unsigned short)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to unsigned short" :
-                    "value too large to convert to unsigned short");
-            }
-            return (unsigned short)-1;
-        }
-        return (unsigned short)val;
-    }
-    return (unsigned short)__Pyx_PyInt_AsUnsignedLong(x);
-}
-
-static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject* x) {
-    const unsigned int neg_one = (unsigned int)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(unsigned int) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(unsigned int)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to unsigned int" :
-                    "value too large to convert to unsigned int");
-            }
-            return (unsigned int)-1;
-        }
-        return (unsigned int)val;
-    }
-    return (unsigned int)__Pyx_PyInt_AsUnsignedLong(x);
-}
-
-static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject* x) {
-    const char neg_one = (char)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(char) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(char)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to char" :
-                    "value too large to convert to char");
-            }
-            return (char)-1;
-        }
-        return (char)val;
-    }
-    return (char)__Pyx_PyInt_AsLong(x);
-}
-
-static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject* x) {
-    const short neg_one = (short)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(short) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(short)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to short" :
-                    "value too large to convert to short");
-            }
-            return (short)-1;
-        }
-        return (short)val;
-    }
-    return (short)__Pyx_PyInt_AsLong(x);
-}
-
-static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject* x) {
-    const int neg_one = (int)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(int) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(int)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to int" :
-                    "value too large to convert to int");
-            }
-            return (int)-1;
-        }
-        return (int)val;
-    }
-    return (int)__Pyx_PyInt_AsLong(x);
-}
-
-static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject* x) {
-    const signed char neg_one = (signed char)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(signed char) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(signed char)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to signed char" :
-                    "value too large to convert to signed char");
-            }
-            return (signed char)-1;
-        }
-        return (signed char)val;
-    }
-    return (signed char)__Pyx_PyInt_AsSignedLong(x);
-}
-
-static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject* x) {
-    const signed short neg_one = (signed short)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(signed short) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(signed short)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to signed short" :
-                    "value too large to convert to signed short");
-            }
-            return (signed short)-1;
-        }
-        return (signed short)val;
-    }
-    return (signed short)__Pyx_PyInt_AsSignedLong(x);
-}
-
-static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject* x) {
-    const signed int neg_one = (signed int)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(signed int) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(signed int)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to signed int" :
-                    "value too large to convert to signed int");
-            }
-            return (signed int)-1;
-        }
-        return (signed int)val;
-    }
-    return (signed int)__Pyx_PyInt_AsSignedLong(x);
-}
-
-static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject* x) {
-    const int neg_one = (int)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(int) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(int)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to int" :
-                    "value too large to convert to int");
-            }
-            return (int)-1;
-        }
-        return (int)val;
-    }
-    return (int)__Pyx_PyInt_AsLong(x);
-}
-
-static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject* x) {
-    const unsigned long neg_one = (unsigned long)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to unsigned long");
-            return (unsigned long)-1;
-        }
-        return (unsigned long)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to unsigned long");
-                return (unsigned long)-1;
-            }
-            return (unsigned long)PyLong_AsUnsignedLong(x);
-        } else {
-            return (unsigned long)PyLong_AsLong(x);
-        }
-    } else {
-        unsigned long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (unsigned long)-1;
-        val = __Pyx_PyInt_AsUnsignedLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject* x) {
-    const unsigned PY_LONG_LONG neg_one = (unsigned PY_LONG_LONG)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to unsigned PY_LONG_LONG");
-            return (unsigned PY_LONG_LONG)-1;
-        }
-        return (unsigned PY_LONG_LONG)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to unsigned PY_LONG_LONG");
-                return (unsigned PY_LONG_LONG)-1;
-            }
-            return (unsigned PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
-        } else {
-            return (unsigned PY_LONG_LONG)PyLong_AsLongLong(x);
-        }
-    } else {
-        unsigned PY_LONG_LONG val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (unsigned PY_LONG_LONG)-1;
-        val = __Pyx_PyInt_AsUnsignedLongLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject* x) {
-    const long neg_one = (long)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to long");
-            return (long)-1;
-        }
-        return (long)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long)-1;
-            }
-            return (long)PyLong_AsUnsignedLong(x);
-        } else {
-            return (long)PyLong_AsLong(x);
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long)-1;
-        val = __Pyx_PyInt_AsLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject* x) {
-    const PY_LONG_LONG neg_one = (PY_LONG_LONG)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to PY_LONG_LONG");
-            return (PY_LONG_LONG)-1;
-        }
-        return (PY_LONG_LONG)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to PY_LONG_LONG");
-                return (PY_LONG_LONG)-1;
-            }
-            return (PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
-        } else {
-            return (PY_LONG_LONG)PyLong_AsLongLong(x);
-        }
-    } else {
-        PY_LONG_LONG val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (PY_LONG_LONG)-1;
-        val = __Pyx_PyInt_AsLongLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject* x) {
-    const signed long neg_one = (signed long)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to signed long");
-            return (signed long)-1;
-        }
-        return (signed long)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to signed long");
-                return (signed long)-1;
-            }
-            return (signed long)PyLong_AsUnsignedLong(x);
-        } else {
-            return (signed long)PyLong_AsLong(x);
-        }
-    } else {
-        signed long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (signed long)-1;
-        val = __Pyx_PyInt_AsSignedLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject* x) {
-    const signed PY_LONG_LONG neg_one = (signed PY_LONG_LONG)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to signed PY_LONG_LONG");
-            return (signed PY_LONG_LONG)-1;
-        }
-        return (signed PY_LONG_LONG)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to signed PY_LONG_LONG");
-                return (signed PY_LONG_LONG)-1;
-            }
-            return (signed PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
-        } else {
-            return (signed PY_LONG_LONG)PyLong_AsLongLong(x);
-        }
-    } else {
-        signed PY_LONG_LONG val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (signed PY_LONG_LONG)-1;
-        val = __Pyx_PyInt_AsSignedLongLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static void __Pyx_WriteUnraisable(const char *name, int clineno,
-                                  int lineno, const char *filename) {
-    PyObject *old_exc, *old_val, *old_tb;
-    PyObject *ctx;
-    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
-    #if PY_MAJOR_VERSION < 3
-    ctx = PyString_FromString(name);
-    #else
-    ctx = PyUnicode_FromString(name);
-    #endif
-    __Pyx_ErrRestore(old_exc, old_val, old_tb);
-    if (!ctx) {
-        PyErr_WriteUnraisable(Py_None);
-    } else {
-        PyErr_WriteUnraisable(ctx);
-        Py_DECREF(ctx);
-    }
-}
-
-static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = *type;
-    tstate->exc_value = *value;
-    tstate->exc_traceback = *tb;
-    *type = tmp_type;
-    *value = tmp_value;
-    *tb = tmp_tb;
-}
-
-static PyObject *__Pyx_Generator_Next(PyObject *self);
-static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value);
-static PyObject *__Pyx_Generator_Close(PyObject *self);
-static PyObject *__Pyx_Generator_Throw(PyObject *gen, PyObject *args);
-static CYTHON_INLINE
-void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self)
-{
-    PyObject *exc_type = self->exc_type;
-    PyObject *exc_value = self->exc_value;
-    PyObject *exc_traceback = self->exc_traceback;
-    self->exc_type = NULL;
-    self->exc_value = NULL;
-    self->exc_traceback = NULL;
-    Py_XDECREF(exc_type);
-    Py_XDECREF(exc_value);
-    Py_XDECREF(exc_traceback);
-}
-static CYTHON_INLINE
-PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value)
-{
-    PyObject *retval;
-    if (unlikely(self->is_running)) {
-        PyErr_SetString(PyExc_ValueError,
-                        "generator already executing");
-        return NULL;
-    }
-    if (unlikely(self->resume_label == 0)) {
-        if (unlikely(value && value != Py_None)) {
-            PyErr_SetString(PyExc_TypeError,
-                            "can't send non-None value to a "
-                            "just-started generator");
-            return NULL;
-        }
-    }
-    if (unlikely(self->resume_label == -1)) {
-        PyErr_SetNone(PyExc_StopIteration);
-        return NULL;
-    }
-    if (value)
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value, &self->exc_traceback);
-    else
-        __Pyx_Generator_ExceptionClear(self);
-    self->is_running = 1;
-    retval = self->body((PyObject *) self, value);
-    self->is_running = 0;
-    if (retval)
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value, &self->exc_traceback);
-    else
-        __Pyx_Generator_ExceptionClear(self);
-    return retval;
-}
-static PyObject *__Pyx_Generator_Next(PyObject *self)
-{
-    return __Pyx_Generator_SendEx((__pyx_GeneratorObject *) self, Py_None);
-}
-static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value)
-{
-    return __Pyx_Generator_SendEx((__pyx_GeneratorObject *) self, value);
-}
-static PyObject *__Pyx_Generator_Close(PyObject *self)
-{
-    __pyx_GeneratorObject *generator = (__pyx_GeneratorObject *) self;
-    PyObject *retval;
-#if PY_VERSION_HEX < 0x02050000
-    PyErr_SetNone(PyExc_StopIteration);
-#else
-    PyErr_SetNone(PyExc_GeneratorExit);
-#endif
-    retval = __Pyx_Generator_SendEx(generator, NULL);
-    if (retval) {
-        Py_DECREF(retval);
-        PyErr_SetString(PyExc_RuntimeError,
-                        "generator ignored GeneratorExit");
-        return NULL;
-    }
-#if PY_VERSION_HEX < 0x02050000
-    if (PyErr_ExceptionMatches(PyExc_StopIteration))
-#else
-    if (PyErr_ExceptionMatches(PyExc_StopIteration)
-        || PyErr_ExceptionMatches(PyExc_GeneratorExit))
-#endif
-    {
-        PyErr_Clear();          /* ignore these errors */
-        Py_INCREF(Py_None);
-        return Py_None;
-    }
-    return NULL;
-}
-static PyObject *__Pyx_Generator_Throw(PyObject *self, PyObject *args)
-{
-    __pyx_GeneratorObject *generator = (__pyx_GeneratorObject *) self;
-    PyObject *typ;
-    PyObject *tb = NULL;
-    PyObject *val = NULL;
-    if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
-        return NULL;
-    __Pyx_Raise(typ, val, tb, NULL);
-    return __Pyx_Generator_SendEx(generator, NULL);
-}
-static int
-__Pyx_Generator_traverse(PyObject *self, visitproc visit, void *arg)
-{
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    Py_VISIT(gen->closure);
-    Py_VISIT(gen->classobj);
-    Py_VISIT(gen->exc_type);
-    Py_VISIT(gen->exc_value);
-    Py_VISIT(gen->exc_traceback);
-    return 0;
-}
-static void
-__Pyx_Generator_dealloc(PyObject *self)
-{
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    PyObject_GC_UnTrack(gen);
-    if (gen->gi_weakreflist != NULL)
-        PyObject_ClearWeakRefs(self);
-    PyObject_GC_Track(self);
-    if (gen->resume_label > 0) {
-        Py_TYPE(gen)->tp_del(self);
-        if (self->ob_refcnt > 0)
-            return;                     /* resurrected.  :( */
-    }
-    PyObject_GC_UnTrack(self);
-    Py_CLEAR(gen->closure);
-    Py_CLEAR(gen->classobj);
-    Py_CLEAR(gen->exc_type);
-    Py_CLEAR(gen->exc_value);
-    Py_CLEAR(gen->exc_traceback);
-    PyObject_GC_Del(gen);
-}
-static void
-__Pyx_Generator_del(PyObject *self)
-{
-    PyObject *res;
-    PyObject *error_type, *error_value, *error_traceback;
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    if (gen->resume_label <= 0)
-        return ;
-    assert(self->ob_refcnt == 0);
-    self->ob_refcnt = 1;
-    __Pyx_ErrFetch(&error_type, &error_value, &error_traceback);
-    res = __Pyx_Generator_Close(self);
-    if (res == NULL)
-        PyErr_WriteUnraisable(self);
-    else
-        Py_DECREF(res);
-    __Pyx_ErrRestore(error_type, error_value, error_traceback);
-    /* Undo the temporary resurrection; can't use DECREF here, it would
-     * cause a recursive call.
-     */
-    assert(self->ob_refcnt > 0);
-    if (--self->ob_refcnt == 0)
-        return; /* this is the normal path out */
-    /* close() resurrected it!  Make it look like the original Py_DECREF
-     * never happened.
-     */
-    {
-        Py_ssize_t refcnt = self->ob_refcnt;
-        _Py_NewReference(self);
-        self->ob_refcnt = refcnt;
-    }
-    assert(PyType_IS_GC(self->ob_type) &&
-           _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
-    /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
-     * we need to undo that. */
-    _Py_DEC_REFTOTAL;
-    /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object
-     * chain, so no more to do there.
-     * If COUNT_ALLOCS, the original decref bumped tp_frees, and
-     * _Py_NewReference bumped tp_allocs:  both of those need to be
-     * undone.
-     */
-#ifdef COUNT_ALLOCS
-    --self->ob_type->tp_frees;
-    --self->ob_type->tp_allocs;
-#endif
-}
-static PyMemberDef __pyx_Generator_memberlist[] = {
-    {(char *) "gi_running",
-     T_INT,
-     offsetof(__pyx_GeneratorObject, is_running),
-     READONLY,
-     NULL},
-    {0, 0, 0, 0, 0}
-};
-static PyMethodDef __pyx_Generator_methods[] = {
-    {__Pyx_NAMESTR("send"), (PyCFunction) __Pyx_Generator_Send, METH_O, 0},
-    {__Pyx_NAMESTR("throw"), (PyCFunction) __Pyx_Generator_Throw, METH_VARARGS, 0},
-    {__Pyx_NAMESTR("close"), (PyCFunction) __Pyx_Generator_Close, METH_NOARGS, 0},
-    {0, 0, 0, 0}
-};
-static PyTypeObject __pyx_GeneratorType = {
-    PyVarObject_HEAD_INIT(0, 0)
-    __Pyx_NAMESTR("generator"),         /*tp_name*/
-    sizeof(__pyx_GeneratorObject),      /*tp_basicsize*/
-    0,                                  /*tp_itemsize*/
-    (destructor) __Pyx_Generator_dealloc,/*tp_dealloc*/
-    0,                                  /*tp_print*/
-    0,                                  /*tp_getattr*/
-    0,                                  /*tp_setattr*/
-#if PY_MAJOR_VERSION < 3
-    0,                                  /*tp_compare*/
-#else
-    0,                                  /*reserved*/
-#endif
-    0,                                   /*tp_repr*/
-    0,                                  /*tp_as_number*/
-    0,                                  /*tp_as_sequence*/
-    0,                                  /*tp_as_mapping*/
-    0,                                  /*tp_hash*/
-    0,                                  /*tp_call*/
-    0,                                  /*tp_str*/
-    PyObject_GenericGetAttr,            /*tp_getattro*/
-    0,                                  /*tp_setattro*/
-    0,                                  /*tp_as_buffer*/
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags*/
-    0,                                  /*tp_doc*/
-    (traverseproc) __Pyx_Generator_traverse,   /*tp_traverse*/
-    0,                                  /*tp_clear*/
-    0,                                  /*tp_richcompare*/
-    offsetof(__pyx_GeneratorObject, gi_weakreflist), /* tp_weaklistoffse */
-    PyObject_SelfIter,                  /*tp_iter*/
-    (iternextfunc) __Pyx_Generator_Next, /*tp_iternext*/
-    __pyx_Generator_methods,            /*tp_methods*/
-    __pyx_Generator_memberlist,         /*tp_members*/
-    0,                                  /*tp_getset*/
-    0,                                  /*tp_base*/
-    0,                                  /*tp_dict*/
-    0,                                  /*tp_descr_get*/
-    0,                                  /*tp_descr_set*/
-    0,                                  /*tp_dictoffset*/
-    0,                                  /*tp_init*/
-    0,                                  /*tp_alloc*/
-    0,                                  /*tp_new*/
-    0,                                  /*tp_free*/
-    0,                                  /*tp_is_gc*/
-    0,                                  /*tp_bases*/
-    0,                                  /*tp_mro*/
-    0,                                  /*tp_cache*/
-    0,                                  /*tp_subclasses*/
-    0,                                  /*tp_weaklist*/
-    __Pyx_Generator_del,                /*tp_del*/
-#if PY_VERSION_HEX >= 0x02060000
-    0,                                  /*tp_version_tag*/
-#endif
-};
-static
-__pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
-                                           PyObject *closure)
-{
-    __pyx_GeneratorObject *gen =
-        PyObject_GC_New(__pyx_GeneratorObject, &__pyx_GeneratorType);
-    if (gen == NULL)
-        return NULL;
-    gen->body = body;
-    gen->closure = closure;
-    Py_XINCREF(closure);
-    gen->is_running = 0;
-    gen->resume_label = 0;
-    gen->classobj = NULL;
-    gen->exc_type = NULL;
-    gen->exc_value = NULL;
-    gen->exc_traceback = NULL;
-    gen->gi_weakreflist = NULL;
-    PyObject_GC_Track(gen);
-    return gen;
-}
-static int __pyx_Generator_init(void)
-{
-    return PyType_Ready(&__pyx_GeneratorType);
-}
-
-static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        #if PY_VERSION_HEX < 0x02050000
-        return PyErr_Warn(NULL, message);
-        #else
-        return PyErr_WarnEx(NULL, message, 1);
-        #endif
-    }
-    return 0;
-}
-
-static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
-#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
-    PyObject *ob = PyCapsule_New(vtable, 0, 0);
-#else
-    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
-#endif
-    if (!ob)
-        goto bad;
-    if (PyDict_SetItemString(dict, "__pyx_vtable__", ob) < 0)
-        goto bad;
-    Py_DECREF(ob);
-    return 0;
-bad:
-    Py_XDECREF(ob);
-    return -1;
-}
-
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = (start + end) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-#include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,            /*int argcount,*/
-        0,            /*int kwonlyargcount,*/
-        0,            /*int nlocals,*/
-        0,            /*int stacksize,*/
-        0,            /*int flags,*/
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,      /*int firstlineno,*/
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_globals = 0;
-    PyFrameObject *py_frame = 0;
-    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
-    }
-    py_globals = PyModule_GetDict(__pyx_m);
-    if (!py_globals) goto bad;
-    py_frame = PyFrame_New(
-        PyThreadState_GET(), /*PyThreadState *tstate,*/
-        py_code,             /*PyCodeObject *code,*/
-        py_globals,          /*PyObject *globals,*/
-        0                    /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    py_frame->f_lineno = py_line;
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else  /* Python 3+ has unicode identifiers */
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-
-/* Type Conversion Functions */
-
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
-  PyNumberMethods *m;
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_VERSION_HEX < 0x03000000
-  if (PyInt_Check(x) || PyLong_Check(x))
-#else
-  if (PyLong_Check(x))
-#endif
-    return Py_INCREF(x), x;
-  m = Py_TYPE(x)->tp_as_number;
-#if PY_VERSION_HEX < 0x03000000
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Int(x);
-  }
-  else if (m && m->nb_long) {
-    name = "long";
-    res = PyNumber_Long(x);
-  }
-#else
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Long(x);
-  }
-#endif
-  if (res) {
-#if PY_VERSION_HEX < 0x03000000
-    if (!PyInt_Check(res) && !PyLong_Check(res)) {
-#else
-    if (!PyLong_Check(res)) {
-#endif
-      PyErr_Format(PyExc_TypeError,
-                   "__%s__ returned non-%s (type %.200s)",
-                   name, name, Py_TYPE(res)->tp_name);
-      Py_DECREF(res);
-      return NULL;
-    }
-  }
-  else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_TypeError,
-                    "an integer is required");
-  }
-  return res;
-}
-
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
-  Py_ssize_t ival;
-  PyObject* x = PyNumber_Index(b);
-  if (!x) return -1;
-  ival = PyInt_AsSsize_t(x);
-  Py_DECREF(x);
-  return ival;
-}
-
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-#if PY_VERSION_HEX < 0x02050000
-   if (ival <= LONG_MAX)
-       return PyInt_FromLong((long)ival);
-   else {
-       unsigned char *bytes = (unsigned char *) &ival;
-       int one = 1; int little = (int)*(unsigned char*)&one;
-       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
-   }
-#else
-   return PyInt_FromSize_t(ival);
-#endif
-}
-
-static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) {
-   unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x);
-   if (unlikely(val == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())) {
-       return (size_t)-1;
-   } else if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) {
-       PyErr_SetString(PyExc_OverflowError,
-                       "value too large to convert to size_t");
-       return (size_t)-1;
-   }
-   return (size_t)val;
-}
-
-
-#endif /* Py_PYTHON_H */
diff --git a/python/src/sa/_cdec_sa.pyx b/python/src/sa/_cdec_sa.pyx
deleted file mode 100644
index 710f8cb4..00000000
--- a/python/src/sa/_cdec_sa.pyx
+++ /dev/null
@@ -1,29 +0,0 @@
-import logging
-import resource
-import gzip
-
-cdef float monitor_cpu():
-    return (resource.getrusage(resource.RUSAGE_SELF).ru_utime+
-            resource.getrusage(resource.RUSAGE_SELF).ru_stime)
-
-def gzip_or_text(char* filename):
-    if filename.endswith('.gz'):
-        return gzip.GzipFile(filename)
-    else:
-        return open(filename)
-
-logger = logging.getLogger('cdec.sa')
-
-include "float_list.pxi"
-include "int_list.pxi"
-include "str_map.pxi"
-include "data_array.pxi"
-include "alignment.pxi"
-include "bilex.pxi"
-include "veb.pxi"
-include "lcp.pxi"
-include "sym.pxi"
-include "rule.pxi"
-include "precomputation.pxi"
-include "suffix_array.pxi"
-include "rulefactory.pxi"
diff --git a/python/src/sa/_sa.c b/python/src/sa/_sa.c
new file mode 100644
index 00000000..34f170bf
--- /dev/null
+++ b/python/src/sa/_sa.c
@@ -0,0 +1,63140 @@
+/* Generated by Cython 0.17.beta1 on Fri Jul 27 22:15:31 2012 */
+
+#define PY_SSIZE_T_CLEAN
+#include "Python.h"
+#ifndef Py_PYTHON_H
+    #error Python headers needed to compile C extensions, please install development version of Python.
+#elif PY_VERSION_HEX < 0x02040000
+    #error Cython requires Python 2.4+.
+#else
+#include <stddef.h> /* For offsetof */
+#ifndef offsetof
+#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
+#endif
+
+#if !defined(WIN32) && !defined(MS_WINDOWS)
+  #ifndef __stdcall
+    #define __stdcall
+  #endif
+  #ifndef __cdecl
+    #define __cdecl
+  #endif
+  #ifndef __fastcall
+    #define __fastcall
+  #endif
+#endif
+
+#ifndef DL_IMPORT
+  #define DL_IMPORT(t) t
+#endif
+#ifndef DL_EXPORT
+  #define DL_EXPORT(t) t
+#endif
+
+#ifndef PY_LONG_LONG
+  #define PY_LONG_LONG LONG_LONG
+#endif
+
+#ifndef Py_HUGE_VAL
+  #define Py_HUGE_VAL HUGE_VAL
+#endif
+
+#ifdef PYPY_VERSION
+#define CYTHON_COMPILING_IN_PYPY 1
+#define CYTHON_COMPILING_IN_CPYTHON 0
+#else
+#define CYTHON_COMPILING_IN_PYPY 0
+#define CYTHON_COMPILING_IN_CPYTHON 1
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  typedef int Py_ssize_t;
+  #define PY_SSIZE_T_MAX INT_MAX
+  #define PY_SSIZE_T_MIN INT_MIN
+  #define PY_FORMAT_SIZE_T ""
+  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
+  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_AsInt(o)
+  #define PyNumber_Index(o)    ((PyNumber_Check(o) && !PyFloat_Check(o)) ? PyNumber_Int(o) : \
+                                (PyErr_Format(PyExc_TypeError, \
+                                              "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
+                                 (PyObject*)0))
+  #define PyIndex_Check(o)     (PyNumber_Check(o) && !PyFloat_Check(o) && !PyComplex_Check(o))
+  #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
+  #define __PYX_BUILD_PY_SSIZE_T "i"
+#else
+  #define __PYX_BUILD_PY_SSIZE_T "n"
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
+  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
+  #define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
+  #define PyVarObject_HEAD_INIT(type, size) \
+          PyObject_HEAD_INIT(type) size,
+  #define PyType_Modified(t)
+
+  typedef struct {
+     void *buf;
+     PyObject *obj;
+     Py_ssize_t len;
+     Py_ssize_t itemsize;
+     int readonly;
+     int ndim;
+     char *format;
+     Py_ssize_t *shape;
+     Py_ssize_t *strides;
+     Py_ssize_t *suboffsets;
+     void *internal;
+  } Py_buffer;
+
+  #define PyBUF_SIMPLE 0
+  #define PyBUF_WRITABLE 0x0001
+  #define PyBUF_FORMAT 0x0004
+  #define PyBUF_ND 0x0008
+  #define PyBUF_STRIDES (0x0010 | PyBUF_ND)
+  #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
+  #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
+  #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
+  #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
+  #define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_FORMAT | PyBUF_WRITABLE)
+  #define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_FORMAT | PyBUF_WRITABLE)
+
+  typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
+  typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
+#endif
+
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
+  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
+          PyCode_New(a, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#else
+  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
+  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
+          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#endif
+
+#if PY_MAJOR_VERSION < 3 && PY_MINOR_VERSION < 6
+  #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define Py_TPFLAGS_CHECKTYPES 0
+  #define Py_TPFLAGS_HAVE_INDEX 0
+#endif
+
+#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
+  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
+#endif
+
+
+#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
+  #define CYTHON_PEP393_ENABLED 1
+  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ? \
+                                              0 : _PyUnicode_Ready((PyObject *)(op)))
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
+#else
+  #define CYTHON_PEP393_ENABLED 0
+  #define __Pyx_PyUnicode_READY(op)       (0)
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
+
+  #define __Pyx_PyUnicode_READ(k, d, i)   ((k=k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyBaseString_Type            PyUnicode_Type
+  #define PyStringObject               PyUnicodeObject
+  #define PyString_Type                PyUnicode_Type
+  #define PyString_Check               PyUnicode_Check
+  #define PyString_CheckExact          PyUnicode_CheckExact
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define PyBytesObject                PyStringObject
+  #define PyBytes_Type                 PyString_Type
+  #define PyBytes_Check                PyString_Check
+  #define PyBytes_CheckExact           PyString_CheckExact
+  #define PyBytes_FromString           PyString_FromString
+  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
+  #define PyBytes_FromFormat           PyString_FromFormat
+  #define PyBytes_DecodeEscape         PyString_DecodeEscape
+  #define PyBytes_AsString             PyString_AsString
+  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
+  #define PyBytes_Size                 PyString_Size
+  #define PyBytes_AS_STRING            PyString_AS_STRING
+  #define PyBytes_GET_SIZE             PyString_GET_SIZE
+  #define PyBytes_Repr                 PyString_Repr
+  #define PyBytes_Concat               PyString_Concat
+  #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
+  #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
+#endif
+#ifndef PySet_CheckExact
+  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
+#endif
+
+#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyIntObject                  PyLongObject
+  #define PyInt_Type                   PyLong_Type
+  #define PyInt_Check(op)              PyLong_Check(op)
+  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
+  #define PyInt_FromString             PyLong_FromString
+  #define PyInt_FromUnicode            PyLong_FromUnicode
+  #define PyInt_FromLong               PyLong_FromLong
+  #define PyInt_FromSize_t             PyLong_FromSize_t
+  #define PyInt_FromSsize_t            PyLong_FromSsize_t
+  #define PyInt_AsLong                 PyLong_AsLong
+  #define PyInt_AS_LONG                PyLong_AS_LONG
+  #define PyInt_AsSsize_t              PyLong_AsSsize_t
+  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
+  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyBoolObject                 PyLongObject
+#endif
+
+#if PY_VERSION_HEX < 0x03020000
+  typedef long Py_hash_t;
+  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
+  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
+#else
+  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
+  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
+#endif
+
+#if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300)
+  #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
+  #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
+  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
+#else
+  #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0)))
+  #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1)))
+  #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
+  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
+  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),((char *)(n)))
+#else
+  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),(n))
+  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
+  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  #define __Pyx_NAMESTR(n) ((char *)(n))
+  #define __Pyx_DOCSTR(n)  ((char *)(n))
+#else
+  #define __Pyx_NAMESTR(n) (n)
+  #define __Pyx_DOCSTR(n)  (n)
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
+  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
+#else
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
+  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
+#endif
+
+#ifndef __PYX_EXTERN_C
+  #ifdef __cplusplus
+    #define __PYX_EXTERN_C extern "C"
+  #else
+    #define __PYX_EXTERN_C extern
+  #endif
+#endif
+
+#if defined(WIN32) || defined(MS_WINDOWS)
+#define _USE_MATH_DEFINES
+#endif
+#include <math.h>
+#define __PYX_HAVE___sa
+#define __PYX_HAVE_API___sa
+#include "stdio.h"
+#include "stdlib.h"
+#include "string.h"
+#include "strmap.h"
+#include "math.h"
+#ifdef _OPENMP
+#include <omp.h>
+#endif /* _OPENMP */
+
+#ifdef PYREX_WITHOUT_ASSERTIONS
+#define CYTHON_WITHOUT_ASSERTIONS
+#endif
+
+
+/* inline attribute */
+#ifndef CYTHON_INLINE
+  #if defined(__GNUC__)
+    #define CYTHON_INLINE __inline__
+  #elif defined(_MSC_VER)
+    #define CYTHON_INLINE __inline
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_INLINE inline
+  #else
+    #define CYTHON_INLINE
+  #endif
+#endif
+
+/* unused attribute */
+#ifndef CYTHON_UNUSED
+# if defined(__GNUC__)
+#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+#     define CYTHON_UNUSED __attribute__ ((__unused__))
+#   else
+#     define CYTHON_UNUSED
+#   endif
+# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
+#   define CYTHON_UNUSED __attribute__ ((__unused__))
+# else
+#   define CYTHON_UNUSED
+# endif
+#endif
+
+typedef struct {PyObject **p; char *s; const long n; const char* encoding; const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
+
+
+/* Type Conversion Predeclarations */
+
+#define __Pyx_PyBytes_FromUString(s) PyBytes_FromString((char*)s)
+#define __Pyx_PyBytes_AsUString(s)   ((unsigned char*) PyBytes_AsString(s))
+
+#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
+#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
+
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
+static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
+static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*);
+
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
+#else
+#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
+#endif
+#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
+
+#ifdef __GNUC__
+  /* Test for GCC > 2.95 */
+  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
+    #define likely(x)   __builtin_expect(!!(x), 1)
+    #define unlikely(x) __builtin_expect(!!(x), 0)
+  #else /* __GNUC__ > 2 ... */
+    #define likely(x)   (x)
+    #define unlikely(x) (x)
+  #endif /* __GNUC__ > 2 ... */
+#else /* __GNUC__ */
+  #define likely(x)   (x)
+  #define unlikely(x) (x)
+#endif /* __GNUC__ */
+    
+static PyObject *__pyx_m;
+static PyObject *__pyx_b;
+static PyObject *__pyx_empty_tuple;
+static PyObject *__pyx_empty_bytes;
+static int __pyx_lineno;
+static int __pyx_clineno = 0;
+static const char * __pyx_cfilenm= __FILE__;
+static const char *__pyx_filename;
+
+
+static const char *__pyx_f[] = {
+  "_sa.pyx",
+  "float_list.pxi",
+  "int_list.pxi",
+  "data_array.pxi",
+  "alignment.pxi",
+  "bilex.pxi",
+  "veb.pxi",
+  "rule.pxi",
+  "rulefactory.pxi",
+  "lcp.pxi",
+  "sym.pxi",
+  "_sa.pxd",
+  "precomputation.pxi",
+  "suffix_array.pxi",
+  "str_map.pxi",
+};
+
+/*--- Type declarations ---*/
+struct __pyx_obj_3_sa_HieroCachingRuleFactory;
+struct __pyx_obj_3_sa_IntList;
+struct __pyx_obj_3_sa_VEBIterator;
+struct __pyx_obj_3_sa_BiLex;
+struct __pyx_obj_3_sa_VEB;
+struct __pyx_obj_3_sa_LCP;
+struct __pyx_obj_3_sa_DataArray;
+struct __pyx_obj_3_sa_BitSetIterator;
+struct __pyx_obj_3_sa_Precomputation;
+struct __pyx_obj_3_sa_SuffixArray;
+struct __pyx_obj_3_sa_Alphabet;
+struct __pyx_obj_3_sa_Rule;
+struct __pyx_obj_3_sa_PhraseLocation;
+struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats;
+struct __pyx_obj_3_sa___pyx_scope_struct_2_input;
+struct __pyx_obj_3_sa_Alignment;
+struct __pyx_obj_3_sa_BitSet;
+struct __pyx_obj_3_sa_Sampler;
+struct __pyx_obj_3_sa_StringMap;
+struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__;
+struct __pyx_obj_3_sa_TrieNode;
+struct __pyx_obj_3_sa_ExtendedTrieNode;
+struct __pyx_obj_3_sa_TrieMap;
+struct __pyx_obj_3_sa_Phrase;
+struct __pyx_obj_3_sa_TrieTable;
+struct __pyx_obj_3_sa_FloatList;
+struct __pyx_t_3_sa__node;
+struct __pyx_t_3_sa__BitSet;
+struct __pyx_t_3_sa__VEB;
+struct __pyx_t_3_sa__Trie_Edge;
+struct __pyx_t_3_sa__Trie_Node;
+struct __pyx_t_3_sa_match_node;
+struct __pyx_t_3_sa_Matching;
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":9
+ * from libc.string cimport memset, strcpy, strlen
+ * 
+ * cdef struct _node:             # <<<<<<<<<<<<<<
+ *     _node* smaller
+ *     _node* bigger
+ */
+struct __pyx_t_3_sa__node {
+  struct __pyx_t_3_sa__node *smaller;
+  struct __pyx_t_3_sa__node *bigger;
+  int key;
+  int val;
+};
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":30
+ * _init_lower_mask()
+ * 
+ * cdef struct _BitSet:             # <<<<<<<<<<<<<<
+ *     long bitset
+ *     int min_val
+ */
+struct __pyx_t_3_sa__BitSet {
+  long bitset;
+  int min_val;
+  int max_val;
+  int size;
+};
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":168
+ *     return result
+ * 
+ * cdef struct _VEB:             # <<<<<<<<<<<<<<
+ *     int top_universe_size
+ *     int num_bottom_bits
+ */
+struct __pyx_t_3_sa__VEB {
+  int top_universe_size;
+  int num_bottom_bits;
+  int max_val;
+  int min_val;
+  int size;
+  void *top;
+  void **bottom;
+};
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":10
+ * cdef struct _Trie_Node    # forward decl
+ * 
+ * cdef struct _Trie_Edge:             # <<<<<<<<<<<<<<
+ *     int val
+ *     _Trie_Node* node
+ */
+struct __pyx_t_3_sa__Trie_Edge {
+  int val;
+  struct __pyx_t_3_sa__Trie_Node *node;
+  struct __pyx_t_3_sa__Trie_Edge *bigger;
+  struct __pyx_t_3_sa__Trie_Edge *smaller;
+};
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":8
+ * from libc.string cimport memset, memcpy
+ * 
+ * cdef struct _Trie_Node    # forward decl             # <<<<<<<<<<<<<<
+ * 
+ * cdef struct _Trie_Edge:
+ */
+struct __pyx_t_3_sa__Trie_Node {
+  struct __pyx_t_3_sa__Trie_Edge *root;
+  int *arr;
+  int arr_len;
+};
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":48
+ * 
+ * # linked list structure for storing matches in BaselineRuleFactory
+ * cdef struct match_node:             # <<<<<<<<<<<<<<
+ *     int* match
+ *     match_node* next
+ */
+struct __pyx_t_3_sa_match_node {
+  int *match;
+  struct __pyx_t_3_sa_match_node *next;
+};
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":145
+ * 
+ * # struct used to encapsulate a single matching
+ * cdef struct Matching:             # <<<<<<<<<<<<<<
+ *     int* arr
+ *     int start
+ */
+struct __pyx_t_3_sa_Matching {
+  int *arr;
+  int start;
+  int end;
+  int sent_id;
+  int size;
+};
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":201
+ * 
+ * 
+ * cdef class HieroCachingRuleFactory:             # <<<<<<<<<<<<<<
+ *     '''This RuleFactory implements a caching
+ *     method using TrieTable, which makes phrase
+ */
+struct __pyx_obj_3_sa_HieroCachingRuleFactory {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *__pyx_vtab;
+  struct __pyx_obj_3_sa_TrieTable *rules;
+  struct __pyx_obj_3_sa_Sampler *sampler;
+  int max_chunks;
+  int max_target_chunks;
+  int max_length;
+  int max_target_length;
+  int max_nonterminals;
+  int max_initial_size;
+  int train_max_initial_size;
+  int min_gap_size;
+  int train_min_gap_size;
+  int category;
+  PyObject *precomputed_index;
+  PyObject *precomputed_collocations;
+  PyObject *precompute_file;
+  PyObject *max_rank;
+  int precompute_rank;
+  int precompute_secondary_rank;
+  int use_baeza_yates;
+  int use_index;
+  int use_collocations;
+  float by_slack_factor;
+  PyObject *prev_norm_prefix;
+  float extract_time;
+  struct __pyx_obj_3_sa_SuffixArray *fsa;
+  struct __pyx_obj_3_sa_DataArray *fda;
+  struct __pyx_obj_3_sa_DataArray *eda;
+  struct __pyx_obj_3_sa_Alignment *alignment;
+  struct __pyx_obj_3_sa_IntList *eid2symid;
+  struct __pyx_obj_3_sa_IntList *fid2symid;
+  int tight_phrases;
+  int require_aligned_terminal;
+  int require_aligned_chunks;
+  struct __pyx_obj_3_sa_IntList *findexes;
+  struct __pyx_obj_3_sa_IntList *findexes1;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":9
+ * from libc.string cimport memset, memcpy
+ * 
+ * cdef class IntList:             # <<<<<<<<<<<<<<
+ *     cdef int size
+ *     cdef int increment
+ */
+struct __pyx_obj_3_sa_IntList {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_IntList *__pyx_vtab;
+  int size;
+  int increment;
+  int len;
+  int *arr;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":340
+ * 
+ * 
+ * cdef class VEBIterator:             # <<<<<<<<<<<<<<
+ *     cdef _VEB* v
+ *     cdef int next_val
+ */
+struct __pyx_obj_3_sa_VEBIterator {
+  PyObject_HEAD
+  struct __pyx_t_3_sa__VEB *v;
+  int next_val;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":47
+ * 
+ * 
+ * cdef class BiLex:             # <<<<<<<<<<<<<<
+ *     cdef FloatList col1
+ *     cdef FloatList col2
+ */
+struct __pyx_obj_3_sa_BiLex {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_BiLex *__pyx_vtab;
+  struct __pyx_obj_3_sa_FloatList *col1;
+  struct __pyx_obj_3_sa_FloatList *col2;
+  struct __pyx_obj_3_sa_IntList *f_index;
+  struct __pyx_obj_3_sa_IntList *e_index;
+  PyObject *id2eword;
+  PyObject *id2fword;
+  PyObject *eword2id;
+  PyObject *fword2id;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":354
+ * 
+ * 
+ * cdef class VEB:             # <<<<<<<<<<<<<<
+ *     cdef _VEB* veb
+ *     cdef int _findsucc(self, int i)
+ */
+struct __pyx_obj_3_sa_VEB {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_VEB *__pyx_vtab;
+  struct __pyx_t_3_sa__VEB *veb;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":5
+ * as k most frequent n-grams"""
+ * 
+ * cdef class LCP:             # <<<<<<<<<<<<<<
+ *     cdef SuffixArray sa
+ *     cdef IntList lcp
+ */
+struct __pyx_obj_3_sa_LCP {
+  PyObject_HEAD
+  struct __pyx_obj_3_sa_SuffixArray *sa;
+  struct __pyx_obj_3_sa_IntList *lcp;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":9
+ * from libc.string cimport memset, strcpy, strlen
+ * 
+ * cdef class DataArray:             # <<<<<<<<<<<<<<
+ *     cdef word2id
+ *     cdef id2word
+ */
+struct __pyx_obj_3_sa_DataArray {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_DataArray *__pyx_vtab;
+  PyObject *word2id;
+  PyObject *id2word;
+  struct __pyx_obj_3_sa_IntList *data;
+  struct __pyx_obj_3_sa_IntList *sent_id;
+  struct __pyx_obj_3_sa_IntList *sent_index;
+  int use_sent_id;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":100
+ * 
+ * 
+ * cdef class BitSetIterator:             # <<<<<<<<<<<<<<
+ *     cdef _BitSet* b
+ *     cdef int next_val
+ */
+struct __pyx_obj_3_sa_BitSetIterator {
+  PyObject_HEAD
+  struct __pyx_t_3_sa__BitSet *b;
+  int next_val;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":188
+ * 
+ * 
+ * cdef class Precomputation:             # <<<<<<<<<<<<<<
+ *     cdef int precompute_rank
+ *     cdef int precompute_secondary_rank
+ */
+struct __pyx_obj_3_sa_Precomputation {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_Precomputation *__pyx_vtab;
+  int precompute_rank;
+  int precompute_secondary_rank;
+  int max_length;
+  int max_nonterminals;
+  int train_max_initial_size;
+  int train_min_gap_size;
+  PyObject *precomputed_index;
+  PyObject *precomputed_collocations;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":6
+ * from libc.stdio cimport FILE, fclose, fopen
+ * 
+ * cdef class SuffixArray:             # <<<<<<<<<<<<<<
+ *     cdef DataArray darray
+ *     cdef IntList sa
+ */
+struct __pyx_obj_3_sa_SuffixArray {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_SuffixArray *__pyx_vtab;
+  struct __pyx_obj_3_sa_DataArray *darray;
+  struct __pyx_obj_3_sa_IntList *sa;
+  struct __pyx_obj_3_sa_IntList *ha;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":7
+ * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1
+ * 
+ * cdef class Alphabet:             # <<<<<<<<<<<<<<
+ *     cdef readonly StringMap terminals, nonterminals
+ *     cdef int first_nonterminal, last_nonterminal
+ */
+struct __pyx_obj_3_sa_Alphabet {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_Alphabet *__pyx_vtab;
+  struct __pyx_obj_3_sa_StringMap *terminals;
+  struct __pyx_obj_3_sa_StringMap *nonterminals;
+  int first_nonterminal;
+  int last_nonterminal;
+  PyObject *id2sym;
+};
+
+struct __pyx_obj_3_sa_Rule {
+  PyObject_HEAD
+  int lhs;
+  struct __pyx_obj_3_sa_Phrase *f;
+  struct __pyx_obj_3_sa_Phrase *e;
+  float *cscores;
+  int n_scores;
+  PyObject *word_alignments;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":56
+ * # in the suffix array; if discontiguous, it is the set of
+ * # actual locations (packed into an array)
+ * cdef class PhraseLocation:             # <<<<<<<<<<<<<<
+ *     cdef int sa_low
+ *     cdef int sa_high
+ */
+struct __pyx_obj_3_sa_PhraseLocation {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_PhraseLocation *__pyx_vtab;
+  int sa_low;
+  int sa_high;
+  int arr_low;
+  int arr_high;
+  struct __pyx_obj_3_sa_IntList *arr;
+  int num_subpatterns;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":36
+ *         logger.info("LCP array completed")
+ * 
+ *     def compute_stats(self, int max_n):             # <<<<<<<<<<<<<<
+ *         """Note: the output of this function is not exact.  In
+ *         particular, the frequency associated with each word is
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats {
+  PyObject_HEAD
+  int __pyx_v_N;
+  int __pyx_v_freq;
+  int __pyx_v_h;
+  int __pyx_v_i;
+  int __pyx_v_ii;
+  int __pyx_v_iii;
+  int __pyx_v_j;
+  int __pyx_v_k;
+  int __pyx_v_max_n;
+  int __pyx_v_n;
+  PyObject *__pyx_v_ngram;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_ngram_start;
+  PyObject *__pyx_v_ngram_starts;
+  int __pyx_v_rs;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_run_start;
+  struct __pyx_obj_3_sa_LCP *__pyx_v_self;
+  int __pyx_v_valid;
+  struct __pyx_obj_3_sa_VEB *__pyx_v_veb;
+  int __pyx_t_0;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":919
+ *         return sorted(result);
+ * 
+ *     def input(self, fwords, models):             # <<<<<<<<<<<<<<
+ *         '''When this function is called on the RuleFactory,
+ *         it looks up all of the rules that can be used to translate
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_2_input {
+  PyObject_HEAD
+  PyObject *__pyx_v_alignment;
+  PyObject *__pyx_v_als;
+  PyObject *__pyx_v_alslist;
+  int __pyx_v_alt;
+  int __pyx_v_alt_id;
+  int __pyx_v_arity;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_chunklen;
+  PyObject *__pyx_v_count;
+  PyObject *__pyx_v_currcount;
+  PyObject *__pyx_v_e;
+  PyObject *__pyx_v_elist;
+  PyObject *__pyx_v_extract;
+  PyObject *__pyx_v_extract_start;
+  PyObject *__pyx_v_extract_stop;
+  PyObject *__pyx_v_extracts;
+  PyObject *__pyx_v_f;
+  PyObject *__pyx_v_f_margin;
+  PyObject *__pyx_v_fals;
+  PyObject *__pyx_v_fcount;
+  int __pyx_v_flen;
+  PyObject *__pyx_v_fphrases;
+  PyObject *__pyx_v_frontier;
+  PyObject *__pyx_v_frontier_nodes;
+  PyObject *__pyx_v_fwords;
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_hiero_phrase;
+  long __pyx_v_hit;
+  int __pyx_v_i;
+  PyObject *__pyx_v_is_shadow_path;
+  int __pyx_v_j;
+  int __pyx_v_k;
+  PyObject *__pyx_v_key;
+  int __pyx_v_lookup_required;
+  struct __pyx_t_3_sa_Matching __pyx_v_matching;
+  PyObject *__pyx_v_model;
+  PyObject *__pyx_v_models;
+  PyObject *__pyx_v_new_frontier;
+  PyObject *__pyx_v_new_node;
+  PyObject *__pyx_v_next_states;
+  PyObject *__pyx_v_node;
+  PyObject *__pyx_v_nodes_isteps_away_buffer;
+  int __pyx_v_nualt;
+  int __pyx_v_num_samples;
+  int __pyx_v_num_subpatterns;
+  PyObject *__pyx_v_pathlen;
+  PyObject *__pyx_v_phrase;
+  struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_phrase_location;
+  PyObject *__pyx_v_prefix;
+  PyObject *__pyx_v_reachable_buffer;
+  PyObject *__pyx_v_sa_range;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_sample;
+  PyObject *__pyx_v_scores;
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self;
+  PyObject *__pyx_v_spanlen;
+  float __pyx_v_start_time;
+  PyObject *__pyx_v_stop_time;
+  PyObject *__pyx_v_suffix_link;
+  int __pyx_v_suffix_link_xcat;
+  PyObject *__pyx_v_suffix_link_xcat_index;
+  PyObject *__pyx_v_word_id;
+  int __pyx_v_x1;
+  int __pyx_v_xcat;
+  PyObject *__pyx_v_xcat_index;
+  PyObject *__pyx_v_xnode;
+  PyObject *__pyx_v_xroot;
+  Py_ssize_t __pyx_t_0;
+  PyObject *__pyx_t_1;
+  Py_ssize_t __pyx_t_2;
+  int __pyx_t_3;
+  PyObject *__pyx_t_4;
+  PyObject *__pyx_t_5;
+  int __pyx_t_6;
+  Py_ssize_t __pyx_t_7;
+  Py_ssize_t __pyx_t_8;
+  Py_ssize_t __pyx_t_9;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":8
+ * # May need to revisit if things get really tight, though.
+ * 
+ * cdef class Alignment:             # <<<<<<<<<<<<<<
+ *     cdef IntList links
+ *     cdef IntList sent_index
+ */
+struct __pyx_obj_3_sa_Alignment {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_Alignment *__pyx_vtab;
+  struct __pyx_obj_3_sa_IntList *links;
+  struct __pyx_obj_3_sa_IntList *sent_index;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":118
+ * # (entirely C-implemented) _BitSet struct.
+ * # Very slow; use only for debugging
+ * cdef class BitSet:             # <<<<<<<<<<<<<<
+ * 
+ *     cdef _BitSet* b
+ */
+struct __pyx_obj_3_sa_BitSet {
+  PyObject_HEAD
+  struct __pyx_t_3_sa__BitSet *b;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":79
+ * 
+ * 
+ * cdef class Sampler:             # <<<<<<<<<<<<<<
+ *     '''A Sampler implements a logic for choosing
+ *     samples from a population range'''
+ */
+struct __pyx_obj_3_sa_Sampler {
+  PyObject_HEAD
+  int sample_size;
+  struct __pyx_obj_3_sa_IntList *sa;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":8
+ *     char* stringmap_word(StrMap *vocab, int i)
+ * 
+ * cdef class StringMap:             # <<<<<<<<<<<<<<
+ *     cdef StrMap *vocab
+ *     cdef char *word(self, int i)
+ */
+struct __pyx_obj_3_sa_StringMap {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_StringMap *__pyx_vtab;
+  StrMap *vocab;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":141
+ *         return self.syms[i]
+ * 
+ *     def __iter__(self):             # <<<<<<<<<<<<<<
+ *         cdef int i
+ *         for i from 0 <= i < self.n:
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ {
+  PyObject_HEAD
+  int __pyx_v_i;
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_self;
+  int __pyx_t_0;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":18
+ * cdef int EPSILON = sym_fromstring('*EPS*', True)
+ * 
+ * cdef class TrieNode:             # <<<<<<<<<<<<<<
+ *     cdef public children
+ * 
+ */
+struct __pyx_obj_3_sa_TrieNode {
+  PyObject_HEAD
+  PyObject *children;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":24
+ *         self.children = {}
+ * 
+ * cdef class ExtendedTrieNode(TrieNode):             # <<<<<<<<<<<<<<
+ *     cdef public phrase
+ *     cdef public phrase_location
+ */
+struct __pyx_obj_3_sa_ExtendedTrieNode {
+  struct __pyx_obj_3_sa_TrieNode __pyx_base;
+  PyObject *phrase;
+  PyObject *phrase_location;
+  PyObject *suffix_link;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":109
+ *         trie_node_to_map(edge.node, result, prefix, include_zeros)
+ * 
+ * cdef class TrieMap:             # <<<<<<<<<<<<<<
+ * 
+ *     cdef _Trie_Node** root
+ */
+struct __pyx_obj_3_sa_TrieMap {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_TrieMap *__pyx_vtab;
+  struct __pyx_t_3_sa__Trie_Node **root;
+  int V;
+};
+
+
+/* "_sa.pxd":1
+ * cdef class Phrase:             # <<<<<<<<<<<<<<
+ *     cdef int *syms
+ *     cdef int n, *varpos, n_vars
+ */
+struct __pyx_obj_3_sa_Phrase {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_Phrase *__pyx_vtab;
+  int *syms;
+  int n;
+  int *varpos;
+  int n_vars;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":35
+ * 
+ * 
+ * cdef class TrieTable:             # <<<<<<<<<<<<<<
+ *     cdef public int extended
+ *     cdef public int count
+ */
+struct __pyx_obj_3_sa_TrieTable {
+  PyObject_HEAD
+  int extended;
+  int count;
+  PyObject *root;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":9
+ * from libc.string cimport memset, strcpy, strlen
+ * 
+ * cdef class FloatList:             # <<<<<<<<<<<<<<
+ *     cdef int size
+ *     cdef int increment
+ */
+struct __pyx_obj_3_sa_FloatList {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_FloatList *__pyx_vtab;
+  int size;
+  int increment;
+  int len;
+  float *arr;
+};
+
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":8
+ *     char* stringmap_word(StrMap *vocab, int i)
+ * 
+ * cdef class StringMap:             # <<<<<<<<<<<<<<
+ *     cdef StrMap *vocab
+ *     cdef char *word(self, int i)
+ */
+
+struct __pyx_vtabstruct_3_sa_StringMap {
+  char *(*word)(struct __pyx_obj_3_sa_StringMap *, int);
+  int (*index)(struct __pyx_obj_3_sa_StringMap *, char *);
+};
+static struct __pyx_vtabstruct_3_sa_StringMap *__pyx_vtabptr_3_sa_StringMap;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":9
+ * from libc.string cimport memset, strcpy, strlen
+ * 
+ * cdef class DataArray:             # <<<<<<<<<<<<<<
+ *     cdef word2id
+ *     cdef id2word
+ */
+
+struct __pyx_vtabstruct_3_sa_DataArray {
+  void (*read_handle)(struct __pyx_obj_3_sa_DataArray *, FILE *);
+  void (*write_handle)(struct __pyx_obj_3_sa_DataArray *, FILE *);
+};
+static struct __pyx_vtabstruct_3_sa_DataArray *__pyx_vtabptr_3_sa_DataArray;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":109
+ *         trie_node_to_map(edge.node, result, prefix, include_zeros)
+ * 
+ * cdef class TrieMap:             # <<<<<<<<<<<<<<
+ * 
+ *     cdef _Trie_Node** root
+ */
+
+struct __pyx_vtabstruct_3_sa_TrieMap {
+  struct __pyx_t_3_sa__Trie_Node *(*_insert)(struct __pyx_obj_3_sa_TrieMap *, int *, int);
+  struct __pyx_t_3_sa__Trie_Node *(*_contains)(struct __pyx_obj_3_sa_TrieMap *, int *, int);
+};
+static struct __pyx_vtabstruct_3_sa_TrieMap *__pyx_vtabptr_3_sa_TrieMap;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":8
+ * # May need to revisit if things get really tight, though.
+ * 
+ * cdef class Alignment:             # <<<<<<<<<<<<<<
+ *     cdef IntList links
+ *     cdef IntList sent_index
+ */
+
+struct __pyx_vtabstruct_3_sa_Alignment {
+  int (*link)(struct __pyx_obj_3_sa_Alignment *, int, int);
+  PyObject *(*_unlink)(struct __pyx_obj_3_sa_Alignment *, int, int *, int *);
+  int *(*_get_sent_links)(struct __pyx_obj_3_sa_Alignment *, int, int *);
+};
+static struct __pyx_vtabstruct_3_sa_Alignment *__pyx_vtabptr_3_sa_Alignment;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":47
+ * 
+ * 
+ * cdef class BiLex:             # <<<<<<<<<<<<<<
+ *     cdef FloatList col1
+ *     cdef FloatList col2
+ */
+
+struct __pyx_vtabstruct_3_sa_BiLex {
+  PyObject *(*compute_from_data)(struct __pyx_obj_3_sa_BiLex *, struct __pyx_obj_3_sa_SuffixArray *, struct __pyx_obj_3_sa_DataArray *, struct __pyx_obj_3_sa_Alignment *);
+  PyObject *(*_add_node)(struct __pyx_obj_3_sa_BiLex *, struct __pyx_t_3_sa__node *, int *, float, int *);
+  PyObject *(*write_wordlist)(struct __pyx_obj_3_sa_BiLex *, PyObject *, FILE *);
+  PyObject *(*read_wordlist)(struct __pyx_obj_3_sa_BiLex *, PyObject *, PyObject *, FILE *);
+  PyObject *(*swap)(struct __pyx_obj_3_sa_BiLex *, int, int);
+  PyObject *(*qsort)(struct __pyx_obj_3_sa_BiLex *, int, int, PyObject *);
+};
+static struct __pyx_vtabstruct_3_sa_BiLex *__pyx_vtabptr_3_sa_BiLex;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":9
+ * from libc.string cimport memset, memcpy
+ * 
+ * cdef class IntList:             # <<<<<<<<<<<<<<
+ *     cdef int size
+ *     cdef int increment
+ */
+
+struct __pyx_vtabstruct_3_sa_IntList {
+  void (*set)(struct __pyx_obj_3_sa_IntList *, int, int);
+  void (*_append)(struct __pyx_obj_3_sa_IntList *, int);
+  void (*_extend)(struct __pyx_obj_3_sa_IntList *, struct __pyx_obj_3_sa_IntList *);
+  void (*_extend_arr)(struct __pyx_obj_3_sa_IntList *, int *, int);
+  void (*_clear)(struct __pyx_obj_3_sa_IntList *);
+  void (*write_handle)(struct __pyx_obj_3_sa_IntList *, FILE *);
+  void (*read_handle)(struct __pyx_obj_3_sa_IntList *, FILE *);
+};
+static struct __pyx_vtabstruct_3_sa_IntList *__pyx_vtabptr_3_sa_IntList;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":4
+ * from libc.string cimport strsep, strcpy, strlen
+ * 
+ * cdef class Phrase:             # <<<<<<<<<<<<<<
+ * 
+ *     def __cinit__(self, words):
+ */
+
+struct __pyx_vtabstruct_3_sa_Phrase {
+  int (*chunkpos)(struct __pyx_obj_3_sa_Phrase *, int);
+  int (*chunklen)(struct __pyx_obj_3_sa_Phrase *, int);
+};
+static struct __pyx_vtabstruct_3_sa_Phrase *__pyx_vtabptr_3_sa_Phrase;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":56
+ * # in the suffix array; if discontiguous, it is the set of
+ * # actual locations (packed into an array)
+ * cdef class PhraseLocation:             # <<<<<<<<<<<<<<
+ *     cdef int sa_low
+ *     cdef int sa_high
+ */
+
+struct __pyx_vtabstruct_3_sa_PhraseLocation {
+  int (*contains)(struct __pyx_obj_3_sa_PhraseLocation *, int);
+};
+static struct __pyx_vtabstruct_3_sa_PhraseLocation *__pyx_vtabptr_3_sa_PhraseLocation;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":188
+ * 
+ * 
+ * cdef class Precomputation:             # <<<<<<<<<<<<<<
+ *     cdef int precompute_rank
+ *     cdef int precompute_secondary_rank
+ */
+
+struct __pyx_vtabstruct_3_sa_Precomputation {
+  PyObject *(*read_map)(struct __pyx_obj_3_sa_Precomputation *, FILE *);
+  PyObject *(*write_map)(struct __pyx_obj_3_sa_Precomputation *, PyObject *, FILE *);
+};
+static struct __pyx_vtabstruct_3_sa_Precomputation *__pyx_vtabptr_3_sa_Precomputation;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":9
+ * from libc.string cimport memset, strcpy, strlen
+ * 
+ * cdef class FloatList:             # <<<<<<<<<<<<<<
+ *     cdef int size
+ *     cdef int increment
+ */
+
+struct __pyx_vtabstruct_3_sa_FloatList {
+  void (*set)(struct __pyx_obj_3_sa_FloatList *, int, float);
+  void (*write_handle)(struct __pyx_obj_3_sa_FloatList *, FILE *);
+  void (*read_handle)(struct __pyx_obj_3_sa_FloatList *, FILE *);
+};
+static struct __pyx_vtabstruct_3_sa_FloatList *__pyx_vtabptr_3_sa_FloatList;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":354
+ * 
+ * 
+ * cdef class VEB:             # <<<<<<<<<<<<<<
+ *     cdef _VEB* veb
+ *     cdef int _findsucc(self, int i)
+ */
+
+struct __pyx_vtabstruct_3_sa_VEB {
+  int (*_findsucc)(struct __pyx_obj_3_sa_VEB *, int);
+  int (*_insert)(struct __pyx_obj_3_sa_VEB *, int);
+  int (*_first)(struct __pyx_obj_3_sa_VEB *);
+};
+static struct __pyx_vtabstruct_3_sa_VEB *__pyx_vtabptr_3_sa_VEB;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":7
+ * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1
+ * 
+ * cdef class Alphabet:             # <<<<<<<<<<<<<<
+ *     cdef readonly StringMap terminals, nonterminals
+ *     cdef int first_nonterminal, last_nonterminal
+ */
+
+struct __pyx_vtabstruct_3_sa_Alphabet {
+  int (*isvar)(struct __pyx_obj_3_sa_Alphabet *, int);
+  int (*isword)(struct __pyx_obj_3_sa_Alphabet *, int);
+  int (*getindex)(struct __pyx_obj_3_sa_Alphabet *, int);
+  int (*setindex)(struct __pyx_obj_3_sa_Alphabet *, int, int);
+  int (*clearindex)(struct __pyx_obj_3_sa_Alphabet *, int);
+  int (*match)(struct __pyx_obj_3_sa_Alphabet *, int, int);
+  char *(*tocat)(struct __pyx_obj_3_sa_Alphabet *, int);
+  int (*fromcat)(struct __pyx_obj_3_sa_Alphabet *, char *);
+  char *(*tostring)(struct __pyx_obj_3_sa_Alphabet *, int);
+  int (*fromstring)(struct __pyx_obj_3_sa_Alphabet *, char *, int);
+};
+static struct __pyx_vtabstruct_3_sa_Alphabet *__pyx_vtabptr_3_sa_Alphabet;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":201
+ * 
+ * 
+ * cdef class HieroCachingRuleFactory:             # <<<<<<<<<<<<<<
+ *     '''This RuleFactory implements a caching
+ *     method using TrieTable, which makes phrase
+ */
+
+struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory {
+  PyObject *(*set_idmap)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_DataArray *);
+  int *(*baeza_yates_helper)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *);
+  long (*compare_matchings_set)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int, struct __pyx_t_3_sa_Matching *, int, int);
+  long (*compare_matchings)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_t_3_sa_Matching *, struct __pyx_t_3_sa_Matching *, int, int);
+  int *(*merge_helper)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *);
+  void (*sort_phrase_loc)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_IntList *, struct __pyx_obj_3_sa_PhraseLocation *, struct __pyx_obj_3_sa_Phrase *);
+  PyObject *(*intersect_helper)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_obj_3_sa_PhraseLocation *, struct __pyx_obj_3_sa_PhraseLocation *, int);
+  PyObject *(*loc2str)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_PhraseLocation *);
+  struct __pyx_obj_3_sa_PhraseLocation *(*intersect)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, PyObject *, PyObject *, struct __pyx_obj_3_sa_Phrase *);
+  int (*find_fixpoint)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, PyObject *, int *, int *, int *, int *, int, int, int *, int *, int *, int *, int, int, int, int, int, int, int, int, int, int, int);
+  PyObject *(*find_projection)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int *);
+  int *(*int_arr_extend)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int *, int *, int *, int);
+  PyObject *(*extract_phrases)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int, int, int, int *, int *, int *, int, int, int);
+  PyObject *(*create_alignments)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int *, int, PyObject *, PyObject *);
+  PyObject *(*extract)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_t_3_sa_Matching *, int *, int);
+};
+static struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *__pyx_vtabptr_3_sa_HieroCachingRuleFactory;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":6
+ * from libc.stdio cimport FILE, fclose, fopen
+ * 
+ * cdef class SuffixArray:             # <<<<<<<<<<<<<<
+ *     cdef DataArray darray
+ *     cdef IntList sa
+ */
+
+struct __pyx_vtabstruct_3_sa_SuffixArray {
+  int (*__pyx___search_high)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int);
+  int (*__pyx___search_low)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int);
+  PyObject *(*__pyx___get_range)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int, int);
+  PyObject *(*__pyx___lookup_helper)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int);
+};
+static struct __pyx_vtabstruct_3_sa_SuffixArray *__pyx_vtabptr_3_sa_SuffixArray;
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+  #define __Pyx_GIVEREF(r)
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+    if (start < 0)
+        start = 0;
+    if (direction > 0) {
+        if (end-sub_len > start)
+            start = end - sub_len;
+    }
+    if (start + sub_len <= end)
+        retval = !memcmp(self_ptr+start, sub_ptr, sub_len);
+    else
+        retval = 0;
+#if PY_VERSION_HEX >= 0x02060000
+    if (view.obj)
+        PyBuffer_Release(&view);
+#endif
+    return retval;
+}
+static int __Pyx_PyBytes_Tailmatch(PyObject* self, PyObject* substr, Py_ssize_t start,
+                                   Py_ssize_t end, int direction)
+{
+    if (unlikely(PyTuple_Check(substr))) {
+        int result;
+        Py_ssize_t i;
+        for (i = 0; i < PyTuple_GET_SIZE(substr); i++) {
+            result = __Pyx_PyBytes_SingleTailmatch(self, PyTuple_GET_ITEM(substr, i),
+                                                   start, end, direction);
+            if (result) {
+                return result;
+            }
+        }
+        return 0;
+    }
+    return __Pyx_PyBytes_SingleTailmatch(self, substr, start, end, direction);
+}
+
+static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name); /*proto*/
+
+static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[], \
+    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args, \
+    const char* function_name); /*proto*/
+
+static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
+    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
+
+static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
+static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
+
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); /*proto*/
+
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); /*proto*/
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(PyObject *kwdict, const char* function_name, int kw_allowed); /*proto*/
+
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
+    PyObject *r;
+    if (!j) return NULL;
+    r = PyObject_GetItem(o, j);
+    Py_DECREF(j);
+    return r;
+}
+#define __Pyx_GetItemInt_List(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
+                                                    __Pyx_GetItemInt_List_Fast(o, i) : \
+                                                    __Pyx_GetItemInt_Generic(o, to_py_func(i)))
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
+        PyObject *r = PyList_GET_ITEM(o, i);
+        Py_INCREF(r);
+        return r;
+    }
+    else if ((-PyList_GET_SIZE(o) <= i) & (i < 0)) {
+        PyObject *r = PyList_GET_ITEM(o, PyList_GET_SIZE(o) + i);
+        Py_INCREF(r);
+        return r;
+    }
+    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
+}
+#define __Pyx_GetItemInt_Tuple(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
+                                                    __Pyx_GetItemInt_Tuple_Fast(o, i) : \
+                                                    __Pyx_GetItemInt_Generic(o, to_py_func(i)))
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
+        PyObject *r = PyTuple_GET_ITEM(o, i);
+        Py_INCREF(r);
+        return r;
+    }
+    else if ((-PyTuple_GET_SIZE(o) <= i) & (i < 0)) {
+        PyObject *r = PyTuple_GET_ITEM(o, PyTuple_GET_SIZE(o) + i);
+        Py_INCREF(r);
+        return r;
+    }
+    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
+}
+#define __Pyx_GetItemInt(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
+                                                    __Pyx_GetItemInt_Fast(o, i) : \
+                                                    __Pyx_GetItemInt_Generic(o, to_py_func(i)))
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (PyList_CheckExact(o)) {
+        Py_ssize_t n = (likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
+        if (likely((n >= 0) & (n < PyList_GET_SIZE(o)))) {
+            PyObject *r = PyList_GET_ITEM(o, n);
+            Py_INCREF(r);
+            return r;
+        }
+    }
+    else if (PyTuple_CheckExact(o)) {
+        Py_ssize_t n = (likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
+        if (likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
+            PyObject *r = PyTuple_GET_ITEM(o, n);
+            Py_INCREF(r);
+            return r;
+        }
+    } else {  /* inlined PySequence_GetItem() */
+        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
+        if (likely(m && m->sq_item)) {
+            if (unlikely(i < 0) && likely(m->sq_length)) {
+                Py_ssize_t l = m->sq_length(o);
+                if (unlikely(l < 0)) return NULL;
+                i += l;
+            }
+            return m->sq_item(o, i);
+        }
+    }
+#else
+    if (PySequence_Check(o)) {
+        return PySequence_GetItem(o, i);
+    }
+#endif
+    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+}
+
+static CYTHON_INLINE int __Pyx_NegateNonNeg(int b) {
+    return unlikely(b < 0) ? b : !b;
+}
+static CYTHON_INLINE PyObject* __Pyx_PyBoolOrNull_FromLong(long b) {
+    return unlikely(b < 0) ? NULL : __Pyx_PyBool_FromLong(b);
+}
+
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
+    if (likely(PyList_CheckExact(L))) {
+        if (unlikely(PyList_Append(L, x) < 0)) return NULL;
+        Py_INCREF(Py_None);
+        return Py_None; /* this is just to have an accurate signature */
+    } else {
+        PyObject *r, *m;
+        m = __Pyx_GetAttrString(L, "append");
+        if (!m) return NULL;
+        r = PyObject_CallFunctionObjArgs(m, x, NULL);
+        Py_DECREF(m);
+        return r;
+    }
+}
+
+static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
+
+static CYTHON_INLINE long __Pyx_div_long(long, long); /* proto */
+
+static CYTHON_INLINE long __Pyx_mod_long(long, long); /* proto */
+
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
+
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
+
+static CYTHON_INLINE int __Pyx_IterFinish(void); /*proto*/
+
+static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected); /*proto*/
+
+#define __Pyx_SetItemInt(o, i, v, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
+                                                    __Pyx_SetItemInt_Fast(o, i, v) : \
+                                                    __Pyx_SetItemInt_Generic(o, to_py_func(i), v))
+static CYTHON_INLINE int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v) {
+    int r;
+    if (!j) return -1;
+    r = PyObject_SetItem(o, j, v);
+    Py_DECREF(j);
+    return r;
+}
+static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (PyList_CheckExact(o)) {
+        Py_ssize_t n = (likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
+        if (likely((n >= 0) & (n < PyList_GET_SIZE(o)))) {
+            PyObject* old = PyList_GET_ITEM(o, n);
+            Py_INCREF(v);
+            PyList_SET_ITEM(o, n, v);
+            Py_DECREF(old);
+            return 1;
+        }
+    } else {  /* inlined PySequence_SetItem() */
+        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
+        if (likely(m && m->sq_ass_item)) {
+            if (unlikely(i < 0) && likely(m->sq_length)) {
+                Py_ssize_t l = m->sq_length(o);
+                if (unlikely(l < 0)) return -1;
+                i += l;
+            }
+            return m->sq_ass_item(o, i, v);
+        }
+    }
+#else
+#if CYTHON_COMPILING_IN_PYPY
+    if (PySequence_Check(o) && !PyDict_Check(o)) {
+#else
+    if (PySequence_Check(o)) {
+#endif
+        return PySequence_SetItem(o, i, v);
+    }
+#endif
+    return __Pyx_SetItemInt_Generic(o, PyInt_FromSsize_t(i), v);
+}
+
+static double __Pyx__PyObject_AsDouble(PyObject* obj); /* proto */
+#if CYTHON_COMPILING_IN_PYPY
+#define __Pyx_PyObject_AsDouble(obj) \
+(likely(PyFloat_CheckExact(obj)) ? PyFloat_AS_DOUBLE(obj) : \
+ likely(PyInt_CheckExact(obj)) ? \
+ PyFloat_AsDouble(obj) : __Pyx__PyObject_AsDouble(obj))
+#else
+#define __Pyx_PyObject_AsDouble(obj) \
+((likely(PyFloat_CheckExact(obj))) ? \
+ PyFloat_AS_DOUBLE(obj) : __Pyx__PyObject_AsDouble(obj))
+#endif
+
+static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
+
+static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+    const char *name, int exact); /*proto*/
+
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
+    PyListObject* L = (PyListObject*) list;
+    Py_ssize_t len = Py_SIZE(list);
+    if (likely(L->allocated > len)) {
+        Py_INCREF(x);
+        PyList_SET_ITEM(list, len, x);
+        Py_SIZE(list) = len+1;
+        return 0;
+    }
+    return PyList_Append(list, x);
+}
+#else
+#define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
+#endif
+
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
+
+static void __Pyx_UnpackTupleError(PyObject *, Py_ssize_t index); /*proto*/
+
+static CYTHON_INLINE int __Pyx_unpack_tuple2(PyObject* tuple, PyObject** value1, PyObject** value2,
+                                             int is_tuple, int has_known_size, int decref_tuple);
+
+static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* dict, int is_dict, PyObject* method_name,
+                                                   Py_ssize_t* p_orig_length, int* p_is_dict);
+static CYTHON_INLINE int __Pyx_dict_iter_next(PyObject* dict_or_iter, Py_ssize_t orig_length, Py_ssize_t* ppos,
+                                              PyObject** pkey, PyObject** pvalue, PyObject** pitem, int is_dict);
+
+#if PY_VERSION_HEX < 0x02050000
+#ifndef PyAnySet_CheckExact
+#define PyAnySet_CheckExact(ob) \
+    ((ob)->ob_type == &PySet_Type || \
+     (ob)->ob_type == &PyFrozenSet_Type)
+#define PySet_New(iterable) \
+    PyObject_CallFunctionObjArgs((PyObject *)&PySet_Type, (iterable), NULL)
+#define Pyx_PyFrozenSet_New(iterable) \
+    PyObject_CallFunctionObjArgs((PyObject *)&PyFrozenSet_Type, (iterable), NULL)
+#define PySet_Size(anyset) \
+    PyObject_Size((anyset))
+#define PySet_Contains(anyset, key) \
+    PySequence_Contains((anyset), (key))
+#define PySet_Pop(set) \
+    PyObject_CallMethod(set, (char *)"pop", NULL)
+static CYTHON_INLINE int PySet_Clear(PyObject *set) {
+    PyObject *ret = PyObject_CallMethod(set, (char *)"clear", NULL);
+    if (!ret) return -1;
+    Py_DECREF(ret); return 0;
+}
+static CYTHON_INLINE int PySet_Discard(PyObject *set, PyObject *key) {
+    PyObject *ret = PyObject_CallMethod(set, (char *)"discard", (char *)"O", key);
+    if (!ret) return -1;
+    Py_DECREF(ret); return 0;
+}
+static CYTHON_INLINE int PySet_Add(PyObject *set, PyObject *key) {
+    PyObject *ret = PyObject_CallMethod(set, (char *)"add", (char *)"O", key);
+    if (!ret) return -1;
+    Py_DECREF(ret); return 0;
+}
+#endif /* PyAnySet_CheckExact (<= Py2.4) */
+#endif /* < Py2.5  */
+
+#if PY_MAJOR_VERSION >= 3
+static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) {
+    PyObject *value;
+    value = PyDict_GetItemWithError(d, key);
+    if (unlikely(!value)) {
+        if (!PyErr_Occurred())
+            PyErr_SetObject(PyExc_KeyError, key);
+        return NULL;
+    }
+    Py_INCREF(value);
+    return value;
+}
+#else
+    #define __Pyx_PyDict_GetItem(d, key) PyObject_GetItem(d, key)
+#endif
+
+static CYTHON_INLINE int __Pyx_div_int(int, int); /* proto */
+
+#define UNARY_NEG_WOULD_OVERFLOW(x)            (((x) < 0) & ((unsigned long)(x) == 0-(unsigned long)(x)))
+
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Pop(PyObject* L) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x02040000
+    if (likely(PyList_CheckExact(L))
+        && likely(PyList_GET_SIZE(L) > (((PyListObject*)L)->allocated >> 1))) {
+        Py_SIZE(L) -= 1;
+        return PyList_GET_ITEM(L, PyList_GET_SIZE(L));
+    }
+#if PY_VERSION_HEX >= 0x02050000
+    else if (Py_TYPE(L) == (&PySet_Type)) {
+        return PySet_Pop(L);
+    }
+#endif
+#endif
+    return PyObject_CallMethod(L, (char*)"pop", NULL);
+}
+
+static PyObject *__Pyx_PyDict_SetDefault(PyObject *d, PyObject *key, PyObject *default_value) {
+    PyObject* value;
+#if PY_MAJOR_VERSION >= 3
+    value = PyDict_GetItemWithError(d, key);
+    if (unlikely(!value)) {
+        if (unlikely(PyErr_Occurred()))
+            return NULL;
+        if (unlikely(PyDict_SetItem(d, key, default_value) == -1))
+            return NULL;
+        value = default_value;
+    }
+    Py_INCREF(value);
+#else
+    if (PyString_CheckExact(key) || PyUnicode_CheckExact(key) || PyInt_CheckExact(key)) {
+        value = PyDict_GetItem(d, key);
+        if (unlikely(!value)) {
+            if (unlikely(PyDict_SetItem(d, key, default_value) == -1))
+                return NULL;
+            value = default_value;
+        }
+        Py_INCREF(value);
+    } else {
+        PyObject *m;
+        m = __Pyx_GetAttrString(d, "setdefault");
+        if (!m) return NULL;
+        value = PyObject_CallFunctionObjArgs(m, key, default_value, NULL);
+        Py_DECREF(m);
+    }
+#endif
+    return value;
+}
+
+static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
+static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level); /*proto*/
+
+static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject *);
+
+static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject *);
+
+static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject *);
+
+static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject *);
+
+static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject *);
+
+static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject *);
+
+static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject *);
+
+static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject *);
+
+static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject *);
+
+static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject *);
+
+static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject *);
+
+static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject *);
+
+static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject *);
+
+static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject *);
+
+static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject *);
+
+static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject *);
+
+static void __Pyx_WriteUnraisable(const char *name, int clineno,
+                                  int lineno, const char *filename); /*proto*/
+
+static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
+
+#define __Pyx_Generator_USED
+#include <structmember.h>
+#include <frameobject.h>
+typedef PyObject *(*__pyx_generator_body_t)(PyObject *, PyObject *);
+typedef struct {
+    PyObject_HEAD
+    __pyx_generator_body_t body;
+    PyObject *closure;
+    int is_running;
+    int resume_label;
+    PyObject *exc_type;
+    PyObject *exc_value;
+    PyObject *exc_traceback;
+    PyObject *gi_weakreflist;
+    PyObject *classobj;
+    PyObject *yieldfrom;
+} __pyx_GeneratorObject;
+static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
+                                                  PyObject *closure);
+static int __pyx_Generator_init(void);
+static int __Pyx_Generator_clear(PyObject* self);
+#if 1 || PY_VERSION_HEX < 0x030300B0
+static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue);
+#else
+#define __Pyx_PyGen_FetchStopIterationValue(pvalue) PyGen_FetchStopIterationValue(pvalue)
+#endif
+
+static int __Pyx_check_binary_version(void);
+
+static int __Pyx_ExportFunction(const char *name, void (*f)(void), const char *sig); /*proto*/
+
+static int __Pyx_SetVtable(PyObject *dict, void *vtable); /*proto*/
+
+typedef struct {
+    int code_line;
+    PyCodeObject* code_object;
+} __Pyx_CodeObjectCacheEntry;
+struct __Pyx_CodeObjectCache {
+    int count;
+    int max_count;
+    __Pyx_CodeObjectCacheEntry* entries;
+};
+static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
+static PyCodeObject *__pyx_find_code_object(int code_line);
+static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
+
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename); /*proto*/
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
+
+
+/* Module declarations from 'libc.stdio' */
+
+/* Module declarations from 'libc.stdlib' */
+
+/* Module declarations from 'libc.string' */
+
+/* Module declarations from 'libc.math' */
+
+/* Module declarations from '_sa' */
+static PyTypeObject *__pyx_ptype_3_sa_Phrase = 0;
+static PyTypeObject *__pyx_ptype_3_sa_Rule = 0;
+static PyTypeObject *__pyx_ptype_3_sa_FloatList = 0;
+static PyTypeObject *__pyx_ptype_3_sa_IntList = 0;
+static PyTypeObject *__pyx_ptype_3_sa_StringMap = 0;
+static PyTypeObject *__pyx_ptype_3_sa_DataArray = 0;
+static PyTypeObject *__pyx_ptype_3_sa_Alignment = 0;
+static PyTypeObject *__pyx_ptype_3_sa_BiLex = 0;
+static PyTypeObject *__pyx_ptype_3_sa_BitSetIterator = 0;
+static PyTypeObject *__pyx_ptype_3_sa_BitSet = 0;
+static PyTypeObject *__pyx_ptype_3_sa_VEBIterator = 0;
+static PyTypeObject *__pyx_ptype_3_sa_VEB = 0;
+static PyTypeObject *__pyx_ptype_3_sa_LCP = 0;
+static PyTypeObject *__pyx_ptype_3_sa_Alphabet = 0;
+static PyTypeObject *__pyx_ptype_3_sa_TrieMap = 0;
+static PyTypeObject *__pyx_ptype_3_sa_Precomputation = 0;
+static PyTypeObject *__pyx_ptype_3_sa_SuffixArray = 0;
+static PyTypeObject *__pyx_ptype_3_sa_TrieNode = 0;
+static PyTypeObject *__pyx_ptype_3_sa_ExtendedTrieNode = 0;
+static PyTypeObject *__pyx_ptype_3_sa_TrieTable = 0;
+static PyTypeObject *__pyx_ptype_3_sa_PhraseLocation = 0;
+static PyTypeObject *__pyx_ptype_3_sa_Sampler = 0;
+static PyTypeObject *__pyx_ptype_3_sa_HieroCachingRuleFactory = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct__compute_stats = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_1___iter__ = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_2_input = 0;
+static int __pyx_v_3_sa_MIN_BOTTOM_SIZE;
+static int __pyx_v_3_sa_MIN_BOTTOM_BITS;
+static int __pyx_v_3_sa_LOWER_MASK[32];
+static int __pyx_v_3_sa_INDEX_SHIFT;
+static int __pyx_v_3_sa_INDEX_MASK;
+static struct __pyx_obj_3_sa_Alphabet *__pyx_v_3_sa_ALPHABET = 0;
+static int __pyx_v_3_sa_PRECOMPUTE;
+static int __pyx_v_3_sa_MERGE;
+static int __pyx_v_3_sa_BAEZA_YATES;
+static int __pyx_v_3_sa_EPSILON;
+static char *__pyx_f_3_sa_sym_tostring(int); /*proto*/
+static int __pyx_f_3_sa_sym_isvar(int); /*proto*/
+static int __pyx_f_3_sa_sym_getindex(int); /*proto*/
+static float __pyx_f_3_sa_monitor_cpu(void); /*proto*/
+static struct __pyx_t_3_sa__node *__pyx_f_3_sa_new_node(int); /*proto*/
+static PyObject *__pyx_f_3_sa_del_node(struct __pyx_t_3_sa__node *); /*proto*/
+static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *, int); /*proto*/
+static void __pyx_f_3_sa__init_lower_mask(void); /*proto*/
+static struct __pyx_t_3_sa__BitSet *__pyx_f_3_sa_new_BitSet(void); /*proto*/
+static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *, int); /*proto*/
+static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *, int); /*proto*/
+static int __pyx_f_3_sa_bitset_contains(struct __pyx_t_3_sa__BitSet *, int); /*proto*/
+static PyObject *__pyx_f_3_sa_dec2bin(long); /*proto*/
+static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int); /*proto*/
+static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *, int); /*proto*/
+static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *); /*proto*/
+static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *, int); /*proto*/
+static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *, int); /*proto*/
+static int __pyx_f_3_sa_sym_setindex(int, int); /*proto*/
+static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_new_trie_node(void); /*proto*/
+static struct __pyx_t_3_sa__Trie_Edge *__pyx_f_3_sa_new_trie_edge(int); /*proto*/
+static PyObject *__pyx_f_3_sa_free_trie_node(struct __pyx_t_3_sa__Trie_Node *); /*proto*/
+static PyObject *__pyx_f_3_sa_free_trie_edge(struct __pyx_t_3_sa__Trie_Edge *); /*proto*/
+static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_sa__Trie_Node *, int); /*proto*/
+static PyObject *__pyx_f_3_sa_trie_node_data_append(struct __pyx_t_3_sa__Trie_Node *, int); /*proto*/
+static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3_sa__Trie_Node *, int); /*proto*/
+static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *, PyObject *, PyObject *, int); /*proto*/
+static PyObject *__pyx_f_3_sa_trie_edge_to_map(struct __pyx_t_3_sa__Trie_Edge *, PyObject *, PyObject *, int); /*proto*/
+static void __pyx_f_3_sa_assign_matching(struct __pyx_t_3_sa_Matching *, int *, int, int, int *); /*proto*/
+static int *__pyx_f_3_sa_append_combined_matching(int *, struct __pyx_t_3_sa_Matching *, struct __pyx_t_3_sa_Matching *, int, int, int *); /*proto*/
+static int *__pyx_f_3_sa_extend_arr(int *, int *, int *, int); /*proto*/
+static int __pyx_f_3_sa_median(int, int, int); /*proto*/
+static void __pyx_f_3_sa_find_comparable_matchings(int, int, int *, int, int, int *, int *); /*proto*/
+#define __Pyx_MODULE_NAME "_sa"
+int __pyx_module_is_main__sa = 0;
+
+/* Implementation of '_sa' */
+static PyObject *__pyx_builtin_open;
+static PyObject *__pyx_builtin_IndexError;
+static PyObject *__pyx_builtin_range;
+static PyObject *__pyx_builtin_TypeError;
+static PyObject *__pyx_builtin_enumerate;
+static PyObject *__pyx_builtin_map;
+static PyObject *__pyx_builtin_Exception;
+static PyObject *__pyx_builtin_zip;
+static PyObject *__pyx_builtin_StopIteration;
+static PyObject *__pyx_builtin_cmp;
+static PyObject *__pyx_builtin_ValueError;
+static PyObject *__pyx_builtin_sorted;
+static PyObject *__pyx_pf_3_sa_gzip_or_text(CYTHON_UNUSED PyObject *__pyx_self, char *__pyx_v_filename); /* proto */
+static int __pyx_pf_3_sa_9FloatList___cinit__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, int __pyx_v_size, int __pyx_v_increment, int __pyx_v_initial_len); /* proto */
+static void __pyx_pf_3_sa_9FloatList_2__dealloc__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_9FloatList_4__getitem__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static int __pyx_pf_3_sa_9FloatList_6__setitem__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_val); /* proto */
+static Py_ssize_t __pyx_pf_3_sa_9FloatList_8__len__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_9FloatList_10append(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, float __pyx_v_val); /* proto */
+static PyObject *__pyx_pf_3_sa_9FloatList_12write(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9FloatList_14read(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static int __pyx_pf_3_sa_7IntList___cinit__(struct __pyx_obj_3_sa_IntList *__pyx_v_self, int __pyx_v_size, int __pyx_v_increment, int __pyx_v_initial_len); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_2__str__(struct __pyx_obj_3_sa_IntList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_4index(struct __pyx_obj_3_sa_IntList *__pyx_v_self, PyObject *__pyx_v_val); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_6partition(struct __pyx_obj_3_sa_IntList *__pyx_v_self, PyObject *__pyx_v_start, PyObject *__pyx_v_end); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_8_doquicksort(struct __pyx_obj_3_sa_IntList *__pyx_v_self, PyObject *__pyx_v_start, PyObject *__pyx_v_end); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_10sort(struct __pyx_obj_3_sa_IntList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_12reset(struct __pyx_obj_3_sa_IntList *__pyx_v_self); /* proto */
+static void __pyx_pf_3_sa_7IntList_14__dealloc__(struct __pyx_obj_3_sa_IntList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_16__getitem__(struct __pyx_obj_3_sa_IntList *__pyx_v_self, PyObject *__pyx_v_index); /* proto */
+static int __pyx_pf_3_sa_7IntList_18__setitem__(struct __pyx_obj_3_sa_IntList *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_val); /* proto */
+static Py_ssize_t __pyx_pf_3_sa_7IntList_20__len__(struct __pyx_obj_3_sa_IntList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_22getSize(struct __pyx_obj_3_sa_IntList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_24append(struct __pyx_obj_3_sa_IntList *__pyx_v_self, int __pyx_v_val); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_26extend(struct __pyx_obj_3_sa_IntList *__pyx_v_self, PyObject *__pyx_v_other); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_28write(struct __pyx_obj_3_sa_IntList *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_30read(struct __pyx_obj_3_sa_IntList *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static int __pyx_pf_3_sa_9StringMap___cinit__(struct __pyx_obj_3_sa_StringMap *__pyx_v_self); /* proto */
+static void __pyx_pf_3_sa_9StringMap_2__dealloc__(struct __pyx_obj_3_sa_StringMap *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_9DataArray___cinit__(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text, int __pyx_v_use_sent_id); /* proto */
+static Py_ssize_t __pyx_pf_3_sa_9DataArray_2__len__(struct __pyx_obj_3_sa_DataArray *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_4getSentId(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_6getSent(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_8getSentPos(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_loc); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_10get_id(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_word); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_12get_word(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_id); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_14write_text(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_16read_text(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_18read_binary(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_20write_binary(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_22write_enhanced_handle(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_f); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_24write_enhanced(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_unlink(CYTHON_UNUSED struct __pyx_obj_3_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_link); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_2get_sent_links(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, int __pyx_v_sent_id); /* proto */
+static int __pyx_pf_3_sa_9Alignment_4__cinit__(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_6read_text(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_8read_binary(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_10write_text(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_12write_binary(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_14write_enhanced(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_16alignment(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_from_text, PyObject *__pyx_v_from_data, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_earray, PyObject *__pyx_v_fsarray, PyObject *__pyx_v_alignment); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_2write_binary(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_4read_binary(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_6get_e_id(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_eword); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_8get_f_id(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_fword); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_10read_text(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_12write_enhanced(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_14get_score(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_fword, PyObject *__pyx_v_eword, PyObject *__pyx_v_col); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_16write_text(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_14BitSetIterator___next__(struct __pyx_obj_3_sa_BitSetIterator *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_6BitSet___cinit__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static void __pyx_pf_3_sa_6BitSet_2__dealloc__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6BitSet_4__iter__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6BitSet_6insert(struct __pyx_obj_3_sa_BitSet *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_6BitSet_8findsucc(struct __pyx_obj_3_sa_BitSet *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_6BitSet_10__str__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6BitSet_12min(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6BitSet_14max(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static Py_ssize_t __pyx_pf_3_sa_6BitSet_16__len__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_6BitSet_18__contains__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_11VEBIterator___next__(struct __pyx_obj_3_sa_VEBIterator *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_3VEB___cinit__(struct __pyx_obj_3_sa_VEB *__pyx_v_self, int __pyx_v_size); /* proto */
+static void __pyx_pf_3_sa_3VEB_2__dealloc__(struct __pyx_obj_3_sa_VEB *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_3VEB_4__iter__(struct __pyx_obj_3_sa_VEB *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_3VEB_6insert(struct __pyx_obj_3_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_3VEB_8findsucc(struct __pyx_obj_3_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static Py_ssize_t __pyx_pf_3_sa_3VEB_10__len__(struct __pyx_obj_3_sa_VEB *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_3VEB_12__contains__(struct __pyx_obj_3_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_sa); /* proto */
+static PyObject *__pyx_pf_3_sa_3LCP_2compute_stats(struct __pyx_obj_3_sa_LCP *__pyx_v_self, int __pyx_v_max_n); /* proto */
+static int __pyx_pf_3_sa_8Alphabet___cinit__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
+static void __pyx_pf_3_sa_8Alphabet_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_8Alphabet_9terminals___get__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_8Alphabet_12nonterminals___get__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_2sym_fromstring(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_string, int __pyx_v_terminal); /* proto */
+static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_words); /* proto */
+static void __pyx_pf_3_sa_6Phrase_2__dealloc__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_4__str__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_6handle(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_10arity(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_12getvarpos(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_14getvar(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_16clen(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_k); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_18getchunk(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_ci); /* proto */
+#if PY_MAJOR_VERSION < 3
+static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_other); /* proto */
+#endif
+static Py_hash_t __pyx_pf_3_sa_6Phrase_22__hash__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static Py_ssize_t __pyx_pf_3_sa_6Phrase_24__len__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_26__getitem__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_28__iter__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_31subst(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_start, PyObject *__pyx_v_children); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_5words___get__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_4Rule___cinit__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, int __pyx_v_lhs, struct __pyx_obj_3_sa_Phrase *__pyx_v_f, struct __pyx_obj_3_sa_Phrase *__pyx_v_e, PyObject *__pyx_v_scores, PyObject *__pyx_v_word_alignments); /* proto */
+static void __pyx_pf_3_sa_4Rule_2__dealloc__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static Py_hash_t __pyx_pf_3_sa_4Rule_4__hash__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+#if PY_MAJOR_VERSION < 3
+static int __pyx_pf_3_sa_4Rule_6__cmp__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, struct __pyx_obj_3_sa_Rule *__pyx_v_other); /* proto */
+#endif
+static PyObject *__pyx_pf_3_sa_4Rule_8__iadd__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, struct __pyx_obj_3_sa_Rule *__pyx_v_other); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_10fmerge(struct __pyx_obj_3_sa_Rule *__pyx_v_self, struct __pyx_obj_3_sa_Phrase *__pyx_v_f); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_12arity(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_14__str__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_6scores___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_4Rule_6scores_2__set__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, PyObject *__pyx_v_s); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_3lhs___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_4Rule_3lhs_2__set__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_1f___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_1e___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_15word_alignments___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_4Rule_15word_alignments_2__set__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_3_sa_4Rule_15word_alignments_4__del__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_7TrieMap___cinit__(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, int __pyx_v_alphabet_size); /* proto */
+static void __pyx_pf_3_sa_7TrieMap_2__dealloc__(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_7TrieMap_4insert(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
+static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
+static PyObject *__pyx_pf_3_sa_7TrieMap_8toMap(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_flag); /* proto */
+static int __pyx_pf_3_sa_14Precomputation___cinit__(struct __pyx_obj_3_sa_Precomputation *__pyx_v_self, PyObject *__pyx_v_fsarray, PyObject *__pyx_v_from_stats, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_precompute_rank, PyObject *__pyx_v_precompute_secondary_rank, PyObject *__pyx_v_max_length, PyObject *__pyx_v_max_nonterminals, PyObject *__pyx_v_train_max_initial_size, PyObject *__pyx_v_train_min_gap_size); /* proto */
+static PyObject *__pyx_pf_3_sa_14Precomputation_2read_binary(struct __pyx_obj_3_sa_Precomputation *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3_sa_Precomputation *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_sa_Precomputation *__pyx_v_self, PyObject *__pyx_v_stats, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_sarray); /* proto */
+static int __pyx_pf_3_sa_11SuffixArray___cinit__(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_2__getitem__(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_4getSentId(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_6getSent(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_8getSentPos(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_loc); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, int __pyx_v_i, int __pyx_v_j, int __pyx_v_h, struct __pyx_obj_3_sa_IntList *__pyx_v_isa, PyObject *__pyx_v_pad); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_14write_text(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_16read_binary(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_18write_binary(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_22lookup(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_word, int __pyx_v_offset, int __pyx_v_low, int __pyx_v_high); /* proto */
+static int __pyx_pf_3_sa_8TrieNode___cinit__(struct __pyx_obj_3_sa_TrieNode *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_8TrieNode_8children___get__(struct __pyx_obj_3_sa_TrieNode *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_8TrieNode_8children_2__set__(struct __pyx_obj_3_sa_TrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_3_sa_8TrieNode_8children_4__del__(struct __pyx_obj_3_sa_TrieNode *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode___cinit__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_phrase, PyObject *__pyx_v_phrase_location, PyObject *__pyx_v_suffix_link); /* proto */
+static PyObject *__pyx_pf_3_sa_16ExtendedTrieNode_6phrase___get__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode_6phrase_2__set__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode_6phrase_4__del__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_16ExtendedTrieNode_15phrase_location___get__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode_15phrase_location_2__set__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode_15phrase_location_4__del__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_16ExtendedTrieNode_11suffix_link___get__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode_11suffix_link_2__set__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode_11suffix_link_4__del__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_9TrieTable___cinit__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_extended); /* proto */
+static PyObject *__pyx_pf_3_sa_9TrieTable_8extended___get__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_9TrieTable_8extended_2__set__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static PyObject *__pyx_pf_3_sa_9TrieTable_5count___get__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_9TrieTable_5count_2__set__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static PyObject *__pyx_pf_3_sa_9TrieTable_4root___get__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_9TrieTable_4root_2__set__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_3_sa_9TrieTable_4root_4__del__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_14PhraseLocation___cinit__(struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_self, int __pyx_v_sa_low, int __pyx_v_sa_high, int __pyx_v_arr_low, int __pyx_v_arr_high, PyObject *__pyx_v_arr, int __pyx_v_num_subpatterns); /* proto */
+static int __pyx_pf_3_sa_7Sampler___cinit__(struct __pyx_obj_3_sa_Sampler *__pyx_v_self, int __pyx_v_sample_size, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_fsarray); /* proto */
+static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *__pyx_v_self, struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_phrase_location); /* proto */
+static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_3_sa_Alignment *__pyx_v_alignment, float __pyx_v_by_slack_factor, char *__pyx_v_category, PyObject *__pyx_v_max_chunks, unsigned int __pyx_v_max_initial_size, unsigned int __pyx_v_max_length, unsigned int __pyx_v_max_nonterminals, PyObject *__pyx_v_max_target_chunks, PyObject *__pyx_v_max_target_length, unsigned int __pyx_v_min_gap_size, PyObject *__pyx_v_precompute_file, unsigned int __pyx_v_precompute_secondary_rank, unsigned int __pyx_v_precompute_rank, int __pyx_v_require_aligned_terminal, int __pyx_v_require_aligned_chunks, unsigned int __pyx_v_train_max_initial_size, unsigned int __pyx_v_train_min_gap_size, int __pyx_v_tight_phrases, int __pyx_v_use_baeza_yates, int __pyx_v_use_collocations, int __pyx_v_use_index); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_2configure(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_fsarray, struct __pyx_obj_3_sa_DataArray *__pyx_v_edarray, struct __pyx_obj_3_sa_Sampler *__pyx_v_sampler); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_4pattern2phrase(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_10get_precomputed_collocation(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_phrase); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_frontier, PyObject *__pyx_v_res, PyObject *__pyx_v_fwords); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_away(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_skip, PyObject *__pyx_v_i, PyObject *__pyx_v_spanlen, PyObject *__pyx_v_pathlen, PyObject *__pyx_v_fwords, PyObject *__pyx_v_next_states, PyObject *__pyx_v_reachable_buffer); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_ifrom, PyObject *__pyx_v_dist); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_18shortest(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_ifrom, PyObject *__pyx_v_ito); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v__columns, PyObject *__pyx_v_curr_idx, PyObject *__pyx_v_min_dist); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_22input(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_models); /* proto */
+static char __pyx_k_1[] = ".gz";
+static char __pyx_k_2[] = "Requested index %d of %d-length FloatList";
+static char __pyx_k_3[] = "IntList[";
+static char __pyx_k_4[] = ",";
+static char __pyx_k_5[] = "]";
+static char __pyx_k_6[] = "len=";
+static char __pyx_k_7[] = "Requested index %d of %d-length IntList";
+static char __pyx_k_8[] = "Requested index %d:%d of %d-length IntList";
+static char __pyx_k_9[] = "Illegal key type %s for IntList";
+static char __pyx_k_13[] = "%s ";
+static char __pyx_k_14[] = "\n";
+static char __pyx_k_18[] = "%d ";
+static char __pyx_k_22[] = "%s %d ";
+static char __pyx_k_24[] = "write_enhanced_handle";
+static char __pyx_k_28[] = "-";
+static char __pyx_k_32[] = "%d-%d ";
+static char __pyx_k_39[] = "%d-%d out of bounds (I=%d,J=%d) in line %d\n";
+static char __pyx_k_42[] = "";
+static char __pyx_k_43[] = "Sort error in CLex";
+static char __pyx_k_45[] = "    ";
+static char __pyx_k_47[] = "%d %f %f ";
+static char __pyx_k_49[] = "%d %s ";
+static char __pyx_k_53[] = "%s %s %.6f %.6f\n";
+static char __pyx_k_55[] = "  (";
+static char __pyx_k_56[] = ")";
+static char __pyx_k_57[] = "Constructing LCP array";
+static char __pyx_k_59[] = "LCP array completed";
+static char __pyx_k_61[] = "[%s,%d]";
+static char __pyx_k_62[] = "[%s]";
+static char __pyx_k_63[] = "\\";
+static char __pyx_k_64[] = " ";
+static char __pyx_k_65[] = "Invalid LHS symbol: %d";
+static char __pyx_k_66[] = "%d-%d";
+static char __pyx_k_67[] = " ||| ";
+static char __pyx_k_68[] = "precompute_secondary_rank";
+static char __pyx_k_69[] = "train_max_initial_size";
+static char __pyx_k_70[] = "Precomputing frequent intersections";
+static char __pyx_k_72[] = "    Computing inverted indexes...";
+static char __pyx_k_74[] = "    Computing collocations...";
+static char __pyx_k_76[] = "        %d sentences";
+static char __pyx_k_81[] = "X ";
+static char __pyx_k_82[] = "ERROR: unexpected pattern %s in set of precomputed collocations";
+static char __pyx_k_83[] = "RANK %d\tCOUNT, COST: %d    %d\tCUMUL: %d, %d";
+static char __pyx_k_84[] = "Precomputed collocations for %d patterns out of %d possible (upper bound %d)";
+static char __pyx_k_85[] = "Precomputed inverted index for %d patterns ";
+static char __pyx_k_86[] = "Precomputation took %f seconds";
+static char __pyx_k_87[] = "    Bucket sort took %f seconds";
+static char __pyx_k_88[] = "    Refining, sort depth = %d";
+static char __pyx_k_89[] = "    Refinement took %f seconds";
+static char __pyx_k_90[] = "    Finalizing sort...";
+static char __pyx_k_92[] = "Suffix array construction took %f seconds";
+static char __pyx_k_93[] = "Unexpected condition found in q3sort: sort from %d to %d";
+static char __pyx_k_98[] = "Sampling strategy: uniform, max sample size = %d";
+static char __pyx_k_99[] = "Sampling strategy: no sampling";
+static char __pyx_k__0[] = "0";
+static char __pyx_k__1[] = "1";
+static char __pyx_k__e[] = "e";
+static char __pyx_k__f[] = "f";
+static char __pyx_k__h[] = "h";
+static char __pyx_k__i[] = "i";
+static char __pyx_k__j[] = "j";
+static char __pyx_k__r[] = "r";
+static char __pyx_k__w[] = "w";
+static char __pyx_k_101[] = "require_aligned_terminal";
+static char __pyx_k_102[] = "require_aligned_chunks";
+static char __pyx_k_103[] = "[X]";
+static char __pyx_k_104[] = "Must specify an alignment object";
+static char __pyx_k_106[] = "Reading precomputed data from file %s... ";
+static char __pyx_k_107[] = "Precomputation done with max nonterminals %d, decoder uses %d";
+static char __pyx_k_108[] = "Precomputation done with max terminals %d, decoder uses %d";
+static char __pyx_k_109[] = "Precomputation done with max initial size %d, decoder uses %d";
+static char __pyx_k_110[] = "Precomputation done with min gap size %d, decoder uses %d";
+static char __pyx_k_111[] = "Converting %d hash keys on precomputed inverted index... ";
+static char __pyx_k_112[] = "Converting %d hash keys on precomputed collocations... ";
+static char __pyx_k_113[] = "Processing precomputations took %f seconds";
+static char __pyx_k_114[] = "{";
+  static char __pyx_k_115[] = "(";
+static char __pyx_k_116[] = "}";
+static char __pyx_k_117[] = "get_precomputed_collocation";
+static char __pyx_k_118[] = "double binary";
+static char __pyx_k_119[] = "Keyword trie error";
+static char __pyx_k_121[] = "get_all_nodes_isteps_away";
+static char __pyx_k_122[] = "Total time for rule lookup, extraction, and scoring = %f seconds";
+static char __pyx_k_123[] = "    Extract time = %f seconds";
+static char __pyx_k_124[] = "No aligned terminals";
+static char __pyx_k_125[] = "Unaligned chunk";
+static char __pyx_k_126[] = "Gaps are not tight phrases";
+static char __pyx_k_127[] = "Inside edges of preceding subphrase are not tight";
+static char __pyx_k_128[] = "Inside edges of following subphrase are not tight";
+static char __pyx_k_129[] = "Subphrase [%d, %d] failed integrity check";
+static char __pyx_k_130[] = "Didn't extract anything from [%d, %d] -> [%d, %d]";
+static char __pyx_k_131[] = "Unable to extract basic phrase";
+static char __pyx_k_134[] = "/Users/vchahun/Sandbox/cdec/python/src/sa/_sa.pyx";
+static char __pyx_k_135[] = "cdec.sa";
+static char __pyx_k_139[] = "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi";
+static char __pyx_k_140[] = "*EPS*";
+static char __pyx_k__gc[] = "gc";
+static char __pyx_k__sa[] = "sa";
+static char __pyx_k___sa[] = "_sa";
+static char __pyx_k__arr[] = "arr";
+static char __pyx_k__cmp[] = "cmp";
+static char __pyx_k__col[] = "col";
+static char __pyx_k__end[] = "end";
+static char __pyx_k__isa[] = "isa";
+static char __pyx_k__ito[] = "ito";
+static char __pyx_k__lhs[] = "lhs";
+static char __pyx_k__low[] = "low";
+static char __pyx_k__map[] = "map";
+static char __pyx_k__pad[] = "pad";
+static char __pyx_k__res[] = "res";
+static char __pyx_k__zip[] = "zip";
+static char __pyx_k__NULL[] = "NULL";
+static char __pyx_k__dist[] = "dist";
+static char __pyx_k__gzip[] = "gzip";
+static char __pyx_k__high[] = "high";
+static char __pyx_k__info[] = "info";
+static char __pyx_k__join[] = "join";
+static char __pyx_k__open[] = "open";
+static char __pyx_k__seek[] = "seek";
+static char __pyx_k__size[] = "size";
+static char __pyx_k__skip[] = "skip";
+static char __pyx_k__stop[] = "stop";
+static char __pyx_k__warn[] = "warn";
+static char __pyx_k__word[] = "word";
+static char __pyx_k___SEP_[] = "_SEP_";
+static char __pyx_k__arity[] = "arity";
+static char __pyx_k__debug[] = "debug";
+static char __pyx_k__eword[] = "eword";
+static char __pyx_k__fword[] = "fword";
+static char __pyx_k__ifrom[] = "ifrom";
+static char __pyx_k__index[] = "index";
+static char __pyx_k__merge[] = "merge";
+static char __pyx_k__range[] = "range";
+static char __pyx_k__reset[] = "reset";
+static char __pyx_k__split[] = "split";
+static char __pyx_k__start[] = "start";
+static char __pyx_k__stats[] = "stats";
+static char __pyx_k__toMap[] = "toMap";
+static char __pyx_k__words[] = "words";
+static char __pyx_k__write[] = "write";
+static char __pyx_k__earray[] = "earray";
+static char __pyx_k__extend[] = "extend";
+static char __pyx_k__fwords[] = "fwords";
+static char __pyx_k__get_id[] = "get_id";
+static char __pyx_k__insert[] = "insert";
+static char __pyx_k__logger[] = "logger";
+static char __pyx_k__lookup[] = "lookup";
+static char __pyx_k__models[] = "models";
+static char __pyx_k__offset[] = "offset";
+static char __pyx_k__phrase[] = "phrase";
+static char __pyx_k__q3sort[] = "q3sort";
+static char __pyx_k__sa_low[] = "sa_low";
+static char __pyx_k__sample[] = "sample";
+static char __pyx_k__sarray[] = "sarray";
+static char __pyx_k__scores[] = "scores";
+static char __pyx_k__sorted[] = "sorted";
+static char __pyx_k__string[] = "string";
+static char __pyx_k__unlink[] = "unlink";
+static char __pyx_k__advance[] = "advance";
+static char __pyx_k__arr_low[] = "arr_low";
+static char __pyx_k__collect[] = "collect";
+static char __pyx_k__edarray[] = "edarray";
+static char __pyx_k__fsarray[] = "fsarray";
+static char __pyx_k__getSent[] = "getSent";
+static char __pyx_k__logging[] = "logging";
+static char __pyx_k__pathlen[] = "pathlen";
+static char __pyx_k__sa_high[] = "sa_high";
+static char __pyx_k__sampler[] = "sampler";
+static char __pyx_k__spanlen[] = "spanlen";
+static char __pyx_k__GzipFile[] = "GzipFile";
+static char __pyx_k____exit__[] = "__exit__";
+static char __pyx_k____main__[] = "__main__";
+static char __pyx_k____test__[] = "__test__";
+static char __pyx_k___columns[] = "_columns";
+static char __pyx_k__arr_high[] = "arr_high";
+static char __pyx_k__category[] = "category";
+static char __pyx_k__children[] = "children";
+static char __pyx_k__curr_idx[] = "curr_idx";
+static char __pyx_k__extended[] = "extended";
+static char __pyx_k__filename[] = "filename";
+static char __pyx_k__frontier[] = "frontier";
+static char __pyx_k__get_e_id[] = "get_e_id";
+static char __pyx_k__get_f_id[] = "get_f_id";
+static char __pyx_k__get_word[] = "get_word";
+static char __pyx_k__getchunk[] = "getchunk";
+static char __pyx_k__min_dist[] = "min_dist";
+static char __pyx_k__resource[] = "resource";
+static char __pyx_k__ru_stime[] = "ru_stime";
+static char __pyx_k__ru_utime[] = "ru_utime";
+static char __pyx_k__shortest[] = "shortest";
+static char __pyx_k__terminal[] = "terminal";
+static char __pyx_k__Exception[] = "Exception";
+static char __pyx_k__TypeError[] = "TypeError";
+static char __pyx_k____enter__[] = "__enter__";
+static char __pyx_k__alignment[] = "alignment";
+static char __pyx_k__enumerate[] = "enumerate";
+static char __pyx_k__from_data[] = "from_data";
+static char __pyx_k__from_text[] = "from_text";
+static char __pyx_k__getLogger[] = "getLogger";
+static char __pyx_k__getSentId[] = "getSentId";
+static char __pyx_k__getrusage[] = "getrusage";
+static char __pyx_k__increment[] = "increment";
+static char __pyx_k__iteritems[] = "iteritems";
+static char __pyx_k__partition[] = "partition";
+static char __pyx_k__reachable[] = "reachable";
+static char __pyx_k__read_text[] = "read_text";
+static char __pyx_k__use_index[] = "use_index";
+static char __pyx_k__IndexError[] = "IndexError";
+static char __pyx_k__ValueError[] = "ValueError";
+static char __pyx_k__from_stats[] = "from_stats";
+static char __pyx_k__getSentPos[] = "getSentPos";
+static char __pyx_k__max_chunks[] = "max_chunks";
+static char __pyx_k__max_length[] = "max_length";
+static char __pyx_k__precompute[] = "precompute";
+static char __pyx_k__setdefault[] = "setdefault";
+static char __pyx_k__write_text[] = "write_text";
+static char __pyx_k__END_OF_FILE[] = "END_OF_FILE";
+static char __pyx_k__END_OF_LINE[] = "END_OF_LINE";
+static char __pyx_k__RUSAGE_SELF[] = "RUSAGE_SELF";
+static char __pyx_k__from_binary[] = "from_binary";
+static char __pyx_k__initial_len[] = "initial_len";
+static char __pyx_k__next_states[] = "next_states";
+static char __pyx_k__precomputed[] = "precomputed";
+static char __pyx_k__read_binary[] = "read_binary";
+static char __pyx_k__sample_size[] = "sample_size";
+static char __pyx_k__suffix_link[] = "suffix_link";
+static char __pyx_k__use_sent_id[] = "use_sent_id";
+static char __pyx_k___doquicksort[] = "_doquicksort";
+static char __pyx_k__gzip_or_text[] = "gzip_or_text";
+static char __pyx_k__min_gap_size[] = "min_gap_size";
+static char __pyx_k__StopIteration[] = "StopIteration";
+static char __pyx_k__alphabet_size[] = "alphabet_size";
+static char __pyx_k__tight_phrases[] = "tight_phrases";
+static char __pyx_k__pattern2phrase[] = "pattern2phrase";
+static char __pyx_k__sym_fromstring[] = "sym_fromstring";
+static char __pyx_k__by_slack_factor[] = "by_slack_factor";
+static char __pyx_k__get_next_states[] = "get_next_states";
+static char __pyx_k__num_subpatterns[] = "num_subpatterns";
+static char __pyx_k__phrase_location[] = "phrase_location";
+static char __pyx_k__precompute_file[] = "precompute_file";
+static char __pyx_k__precompute_rank[] = "precompute_rank";
+static char __pyx_k__use_baeza_yates[] = "use_baeza_yates";
+static char __pyx_k__word_alignments[] = "word_alignments";
+static char __pyx_k__max_initial_size[] = "max_initial_size";
+static char __pyx_k__max_nonterminals[] = "max_nonterminals";
+static char __pyx_k__reachable_buffer[] = "reachable_buffer";
+static char __pyx_k__use_collocations[] = "use_collocations";
+static char __pyx_k__max_target_chunks[] = "max_target_chunks";
+static char __pyx_k__max_target_length[] = "max_target_length";
+static char __pyx_k__train_min_gap_size[] = "train_min_gap_size";
+static char __pyx_k__pattern2phrase_plus[] = "pattern2phrase_plus";
+static PyObject *__pyx_kp_s_1;
+static PyObject *__pyx_n_s_101;
+static PyObject *__pyx_n_s_102;
+static PyObject *__pyx_kp_s_104;
+static PyObject *__pyx_kp_s_106;
+static PyObject *__pyx_kp_s_107;
+static PyObject *__pyx_kp_s_108;
+static PyObject *__pyx_kp_s_109;
+static PyObject *__pyx_kp_s_110;
+static PyObject *__pyx_kp_s_111;
+static PyObject *__pyx_kp_s_112;
+static PyObject *__pyx_kp_s_113;
+static PyObject *__pyx_kp_s_114;
+static PyObject *__pyx_kp_s_115;
+static PyObject *__pyx_kp_s_116;
+static PyObject *__pyx_n_s_117;
+static PyObject *__pyx_kp_s_118;
+static PyObject *__pyx_kp_s_119;
+static PyObject *__pyx_n_s_121;
+static PyObject *__pyx_kp_s_122;
+static PyObject *__pyx_kp_s_123;
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+static PyObject *__pyx_kp_s_125;
+static PyObject *__pyx_kp_s_126;
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+static PyObject *__pyx_kp_s_128;
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+static PyObject *__pyx_kp_s_131;
+static PyObject *__pyx_kp_s_134;
+static PyObject *__pyx_kp_s_135;
+static PyObject *__pyx_kp_s_139;
+static PyObject *__pyx_kp_s_14;
+static PyObject *__pyx_kp_s_140;
+static PyObject *__pyx_kp_s_18;
+static PyObject *__pyx_kp_s_2;
+static PyObject *__pyx_kp_s_22;
+static PyObject *__pyx_n_s_24;
+static PyObject *__pyx_kp_s_28;
+static PyObject *__pyx_kp_s_3;
+static PyObject *__pyx_kp_s_32;
+static PyObject *__pyx_kp_s_39;
+static PyObject *__pyx_kp_s_4;
+static PyObject *__pyx_kp_s_42;
+static PyObject *__pyx_kp_s_43;
+static PyObject *__pyx_kp_s_45;
+static PyObject *__pyx_kp_s_47;
+static PyObject *__pyx_kp_s_49;
+static PyObject *__pyx_kp_s_5;
+static PyObject *__pyx_kp_s_53;
+static PyObject *__pyx_kp_s_55;
+static PyObject *__pyx_kp_s_56;
+static PyObject *__pyx_kp_s_57;
+static PyObject *__pyx_kp_s_59;
+static PyObject *__pyx_kp_s_6;
+static PyObject *__pyx_kp_s_61;
+static PyObject *__pyx_kp_s_62;
+static PyObject *__pyx_kp_s_63;
+static PyObject *__pyx_kp_s_64;
+static PyObject *__pyx_kp_s_65;
+static PyObject *__pyx_kp_s_66;
+static PyObject *__pyx_kp_s_67;
+static PyObject *__pyx_n_s_68;
+static PyObject *__pyx_n_s_69;
+static PyObject *__pyx_kp_s_7;
+static PyObject *__pyx_kp_s_70;
+static PyObject *__pyx_kp_s_72;
+static PyObject *__pyx_kp_s_74;
+static PyObject *__pyx_kp_s_76;
+static PyObject *__pyx_kp_s_8;
+static PyObject *__pyx_kp_s_81;
+static PyObject *__pyx_kp_s_82;
+static PyObject *__pyx_kp_s_83;
+static PyObject *__pyx_kp_s_84;
+static PyObject *__pyx_kp_s_85;
+static PyObject *__pyx_kp_s_86;
+static PyObject *__pyx_kp_s_87;
+static PyObject *__pyx_kp_s_88;
+static PyObject *__pyx_kp_s_89;
+static PyObject *__pyx_kp_s_9;
+static PyObject *__pyx_kp_s_90;
+static PyObject *__pyx_kp_s_92;
+static PyObject *__pyx_kp_s_93;
+static PyObject *__pyx_kp_s_98;
+static PyObject *__pyx_kp_s_99;
+static PyObject *__pyx_kp_s__0;
+static PyObject *__pyx_kp_s__1;
+static PyObject *__pyx_n_s__END_OF_FILE;
+static PyObject *__pyx_n_s__END_OF_LINE;
+static PyObject *__pyx_n_s__Exception;
+static PyObject *__pyx_n_s__GzipFile;
+static PyObject *__pyx_n_s__IndexError;
+static PyObject *__pyx_n_s__NULL;
+static PyObject *__pyx_n_s__RUSAGE_SELF;
+static PyObject *__pyx_n_s__StopIteration;
+static PyObject *__pyx_n_s__TypeError;
+static PyObject *__pyx_n_s__ValueError;
+static PyObject *__pyx_n_s____enter__;
+static PyObject *__pyx_n_s____exit__;
+static PyObject *__pyx_n_s____main__;
+static PyObject *__pyx_n_s____test__;
+static PyObject *__pyx_n_s___columns;
+static PyObject *__pyx_n_s___doquicksort;
+static PyObject *__pyx_n_s___sa;
+static PyObject *__pyx_n_s__advance;
+static PyObject *__pyx_n_s__alignment;
+static PyObject *__pyx_n_s__alphabet_size;
+static PyObject *__pyx_n_s__arity;
+static PyObject *__pyx_n_s__arr;
+static PyObject *__pyx_n_s__arr_high;
+static PyObject *__pyx_n_s__arr_low;
+static PyObject *__pyx_n_s__by_slack_factor;
+static PyObject *__pyx_n_s__category;
+static PyObject *__pyx_n_s__children;
+static PyObject *__pyx_n_s__cmp;
+static PyObject *__pyx_n_s__col;
+static PyObject *__pyx_n_s__collect;
+static PyObject *__pyx_n_s__curr_idx;
+static PyObject *__pyx_n_s__debug;
+static PyObject *__pyx_n_s__dist;
+static PyObject *__pyx_n_s__e;
+static PyObject *__pyx_n_s__earray;
+static PyObject *__pyx_n_s__edarray;
+static PyObject *__pyx_n_s__end;
+static PyObject *__pyx_n_s__enumerate;
+static PyObject *__pyx_n_s__eword;
+static PyObject *__pyx_n_s__extend;
+static PyObject *__pyx_n_s__extended;
+static PyObject *__pyx_n_s__f;
+static PyObject *__pyx_n_s__filename;
+static PyObject *__pyx_n_s__from_binary;
+static PyObject *__pyx_n_s__from_data;
+static PyObject *__pyx_n_s__from_stats;
+static PyObject *__pyx_n_s__from_text;
+static PyObject *__pyx_n_s__frontier;
+static PyObject *__pyx_n_s__fsarray;
+static PyObject *__pyx_n_s__fword;
+static PyObject *__pyx_n_s__fwords;
+static PyObject *__pyx_n_s__gc;
+static PyObject *__pyx_n_s__getLogger;
+static PyObject *__pyx_n_s__getSent;
+static PyObject *__pyx_n_s__getSentId;
+static PyObject *__pyx_n_s__getSentPos;
+static PyObject *__pyx_n_s__get_e_id;
+static PyObject *__pyx_n_s__get_f_id;
+static PyObject *__pyx_n_s__get_id;
+static PyObject *__pyx_n_s__get_next_states;
+static PyObject *__pyx_n_s__get_word;
+static PyObject *__pyx_n_s__getchunk;
+static PyObject *__pyx_n_s__getrusage;
+static PyObject *__pyx_n_s__gzip;
+static PyObject *__pyx_n_s__gzip_or_text;
+static PyObject *__pyx_n_s__h;
+static PyObject *__pyx_n_s__high;
+static PyObject *__pyx_n_s__i;
+static PyObject *__pyx_n_s__ifrom;
+static PyObject *__pyx_n_s__increment;
+static PyObject *__pyx_n_s__index;
+static PyObject *__pyx_n_s__info;
+static PyObject *__pyx_n_s__initial_len;
+static PyObject *__pyx_n_s__insert;
+static PyObject *__pyx_n_s__isa;
+static PyObject *__pyx_n_s__iteritems;
+static PyObject *__pyx_n_s__ito;
+static PyObject *__pyx_n_s__j;
+static PyObject *__pyx_n_s__join;
+static PyObject *__pyx_n_s__lhs;
+static PyObject *__pyx_n_s__logger;
+static PyObject *__pyx_n_s__logging;
+static PyObject *__pyx_n_s__lookup;
+static PyObject *__pyx_n_s__low;
+static PyObject *__pyx_n_s__map;
+static PyObject *__pyx_n_s__max_chunks;
+static PyObject *__pyx_n_s__max_initial_size;
+static PyObject *__pyx_n_s__max_length;
+static PyObject *__pyx_n_s__max_nonterminals;
+static PyObject *__pyx_n_s__max_target_chunks;
+static PyObject *__pyx_n_s__max_target_length;
+static PyObject *__pyx_n_s__merge;
+static PyObject *__pyx_n_s__min_dist;
+static PyObject *__pyx_n_s__min_gap_size;
+static PyObject *__pyx_n_s__models;
+static PyObject *__pyx_n_s__next_states;
+static PyObject *__pyx_n_s__num_subpatterns;
+static PyObject *__pyx_n_s__offset;
+static PyObject *__pyx_n_s__open;
+static PyObject *__pyx_n_s__pad;
+static PyObject *__pyx_n_s__partition;
+static PyObject *__pyx_n_s__pathlen;
+static PyObject *__pyx_n_s__pattern2phrase;
+static PyObject *__pyx_n_s__pattern2phrase_plus;
+static PyObject *__pyx_n_s__phrase;
+static PyObject *__pyx_n_s__phrase_location;
+static PyObject *__pyx_n_s__precompute;
+static PyObject *__pyx_n_s__precompute_file;
+static PyObject *__pyx_n_s__precompute_rank;
+static PyObject *__pyx_n_s__precomputed;
+static PyObject *__pyx_n_s__q3sort;
+static PyObject *__pyx_n_s__range;
+static PyObject *__pyx_n_s__reachable;
+static PyObject *__pyx_n_s__reachable_buffer;
+static PyObject *__pyx_n_s__read_binary;
+static PyObject *__pyx_n_s__read_text;
+static PyObject *__pyx_n_s__res;
+static PyObject *__pyx_n_s__reset;
+static PyObject *__pyx_n_s__resource;
+static PyObject *__pyx_n_s__ru_stime;
+static PyObject *__pyx_n_s__ru_utime;
+static PyObject *__pyx_n_s__sa;
+static PyObject *__pyx_n_s__sa_high;
+static PyObject *__pyx_n_s__sa_low;
+static PyObject *__pyx_n_s__sample;
+static PyObject *__pyx_n_s__sample_size;
+static PyObject *__pyx_n_s__sampler;
+static PyObject *__pyx_n_s__sarray;
+static PyObject *__pyx_n_s__scores;
+static PyObject *__pyx_n_s__seek;
+static PyObject *__pyx_n_s__setdefault;
+static PyObject *__pyx_n_s__shortest;
+static PyObject *__pyx_n_s__size;
+static PyObject *__pyx_n_s__skip;
+static PyObject *__pyx_n_s__sorted;
+static PyObject *__pyx_n_s__spanlen;
+static PyObject *__pyx_n_s__split;
+static PyObject *__pyx_n_s__start;
+static PyObject *__pyx_n_s__stats;
+static PyObject *__pyx_n_s__stop;
+static PyObject *__pyx_n_s__string;
+static PyObject *__pyx_n_s__suffix_link;
+static PyObject *__pyx_n_s__sym_fromstring;
+static PyObject *__pyx_n_s__terminal;
+static PyObject *__pyx_n_s__tight_phrases;
+static PyObject *__pyx_n_s__toMap;
+static PyObject *__pyx_n_s__train_min_gap_size;
+static PyObject *__pyx_n_s__unlink;
+static PyObject *__pyx_n_s__use_baeza_yates;
+static PyObject *__pyx_n_s__use_collocations;
+static PyObject *__pyx_n_s__use_index;
+static PyObject *__pyx_n_s__use_sent_id;
+static PyObject *__pyx_n_s__w;
+static PyObject *__pyx_n_s__warn;
+static PyObject *__pyx_n_s__word;
+static PyObject *__pyx_n_s__word_alignments;
+static PyObject *__pyx_n_s__words;
+static PyObject *__pyx_n_s__write;
+static PyObject *__pyx_n_s__write_text;
+static PyObject *__pyx_n_s__zip;
+static PyObject *__pyx_int_0;
+static PyObject *__pyx_int_1;
+static PyObject *__pyx_int_2;
+static PyObject *__pyx_int_5;
+static PyObject *__pyx_int_neg_1;
+static PyObject *__pyx_int_10;
+static PyObject *__pyx_int_20;
+static PyObject *__pyx_int_1000;
+static PyObject *__pyx_int_65536;
+static PyObject *__pyx_k_38;
+static PyObject *__pyx_k_97;
+static PyObject *__pyx_k_tuple_10;
+static PyObject *__pyx_k_tuple_11;
+static PyObject *__pyx_k_tuple_12;
+static PyObject *__pyx_k_tuple_15;
+static PyObject *__pyx_k_tuple_16;
+static PyObject *__pyx_k_tuple_17;
+static PyObject *__pyx_k_tuple_19;
+static PyObject *__pyx_k_tuple_20;
+static PyObject *__pyx_k_tuple_21;
+static PyObject *__pyx_k_tuple_23;
+static PyObject *__pyx_k_tuple_25;
+static PyObject *__pyx_k_tuple_26;
+static PyObject *__pyx_k_tuple_27;
+static PyObject *__pyx_k_tuple_29;
+static PyObject *__pyx_k_tuple_30;
+static PyObject *__pyx_k_tuple_31;
+static PyObject *__pyx_k_tuple_33;
+static PyObject *__pyx_k_tuple_34;
+static PyObject *__pyx_k_tuple_35;
+static PyObject *__pyx_k_tuple_36;
+static PyObject *__pyx_k_tuple_37;
+static PyObject *__pyx_k_tuple_40;
+static PyObject *__pyx_k_tuple_41;
+static PyObject *__pyx_k_tuple_44;
+static PyObject *__pyx_k_tuple_46;
+static PyObject *__pyx_k_tuple_48;
+static PyObject *__pyx_k_tuple_50;
+static PyObject *__pyx_k_tuple_51;
+static PyObject *__pyx_k_tuple_52;
+static PyObject *__pyx_k_tuple_54;
+static PyObject *__pyx_k_tuple_58;
+static PyObject *__pyx_k_tuple_60;
+static PyObject *__pyx_k_tuple_71;
+static PyObject *__pyx_k_tuple_73;
+static PyObject *__pyx_k_tuple_75;
+static PyObject *__pyx_k_tuple_77;
+static PyObject *__pyx_k_tuple_78;
+static PyObject *__pyx_k_tuple_79;
+static PyObject *__pyx_k_tuple_80;
+static PyObject *__pyx_k_tuple_91;
+static PyObject *__pyx_k_tuple_94;
+static PyObject *__pyx_k_tuple_95;
+static PyObject *__pyx_k_tuple_96;
+static PyObject *__pyx_k_tuple_100;
+static PyObject *__pyx_k_tuple_105;
+static PyObject *__pyx_k_tuple_120;
+static PyObject *__pyx_k_tuple_132;
+static PyObject *__pyx_k_tuple_136;
+static PyObject *__pyx_k_tuple_137;
+static PyObject *__pyx_k_codeobj_133;
+static PyObject *__pyx_k_codeobj_138;
+
+/* "_sa.pyx":5
+ * import gzip
+ * 
+ * cdef float monitor_cpu():             # <<<<<<<<<<<<<<
+ *     return (resource.getrusage(resource.RUSAGE_SELF).ru_utime+
+ *             resource.getrusage(resource.RUSAGE_SELF).ru_stime)
+ */
+
+static float __pyx_f_3_sa_monitor_cpu(void) {
+  float __pyx_r;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_4 = NULL;
+  float __pyx_t_5;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("monitor_cpu", 0);
+
+  /* "_sa.pyx":6
+ * 
+ * cdef float monitor_cpu():
+ *     return (resource.getrusage(resource.RUSAGE_SELF).ru_utime+             # <<<<<<<<<<<<<<
+ *             resource.getrusage(resource.RUSAGE_SELF).ru_stime)
+ * 
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__resource); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__getrusage); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":99
+ *         fmargin = <int*> malloc(V_F*sizeof(int))
+ *         emargin = <int*> malloc(V_E*sizeof(int))
+ *         memset(fmargin, 0, V_F*sizeof(int))             # <<<<<<<<<<<<<<
+ *         memset(emargin, 0, V_E*sizeof(int))
+ * 
+ */
+  memset(__pyx_v_fmargin, 0, (__pyx_v_V_F * (sizeof(int))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":100
+ *         emargin = <int*> malloc(V_E*sizeof(int))
+ *         memset(fmargin, 0, V_F*sizeof(int))
+ *         memset(emargin, 0, V_E*sizeof(int))             # <<<<<<<<<<<<<<
+ * 
+ *         dict = <_node**> malloc(V_F*sizeof(_node*))
+ */
+  memset(__pyx_v_emargin, 0, (__pyx_v_V_E * (sizeof(int))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":102
+ *         memset(emargin, 0, V_E*sizeof(int))
+ * 
+ *         dict = <_node**> malloc(V_F*sizeof(_node*))             # <<<<<<<<<<<<<<
+ *         memset(dict, 0, V_F*sizeof(_node*))
+ * 
+ */
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":103
+ * 
+ *         dict = <_node**> malloc(V_F*sizeof(_node*))
+ *         memset(dict, 0, V_F*sizeof(_node*))             # <<<<<<<<<<<<<<
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+ *         num_sents = len(fsa.darray.sent_index)
+ */
+  memset(__pyx_v_dict, 0, (__pyx_v_V_F * (sizeof(struct __pyx_t_3_sa__node *))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":105
+ *         memset(dict, 0, V_F*sizeof(_node*))
+ * 
+ *         num_sents = len(fsa.darray.sent_index)             # <<<<<<<<<<<<<<
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+ * 
+ */
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+ *         num_sents = len(fsa.darray.sent_index)
+ *         for sent_id from 0 <= sent_id < num_sents-1:             # <<<<<<<<<<<<<<
+ * 
+ *             fsent = fsa.darray.data.arr + fsa.darray.sent_index.arr[sent_id]
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+  __Pyx_GOTREF(__pyx_t_1);
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":108
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+ *             fsent = fsa.darray.data.arr + fsa.darray.sent_index.arr[sent_id]             # <<<<<<<<<<<<<<
+ *             I = fsa.darray.sent_index.arr[sent_id+1] - fsa.darray.sent_index.arr[sent_id] - 1
+ *             faligned = <int*> malloc(I*sizeof(int))
+ */
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+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":109
+ * 
+ *             fsent = fsa.darray.data.arr + fsa.darray.sent_index.arr[sent_id]
+ *             I = fsa.darray.sent_index.arr[sent_id+1] - fsa.darray.sent_index.arr[sent_id] - 1             # <<<<<<<<<<<<<<
+ *             faligned = <int*> malloc(I*sizeof(int))
+ *             memset(faligned, 0, I*sizeof(int))
+ */
+    __pyx_v_I = (((__pyx_v_fsa->darray->sent_index->arr[(__pyx_v_sent_id + 1)]) - (__pyx_v_fsa->darray->sent_index->arr[__pyx_v_sent_id])) - 1);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":110
+ *             fsent = fsa.darray.data.arr + fsa.darray.sent_index.arr[sent_id]
+ *             I = fsa.darray.sent_index.arr[sent_id+1] - fsa.darray.sent_index.arr[sent_id] - 1
+ *             faligned = <int*> malloc(I*sizeof(int))             # <<<<<<<<<<<<<<
+ *             memset(faligned, 0, I*sizeof(int))
+ * 
+ */
+    __pyx_v_faligned = ((int *)malloc((__pyx_v_I * (sizeof(int)))));
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":111
+ *             I = fsa.darray.sent_index.arr[sent_id+1] - fsa.darray.sent_index.arr[sent_id] - 1
+ *             faligned = <int*> malloc(I*sizeof(int))
+ *             memset(faligned, 0, I*sizeof(int))             # <<<<<<<<<<<<<<
+ * 
+ *             esent = eda.data.arr + eda.sent_index.arr[sent_id]
+ */
+    memset(__pyx_v_faligned, 0, (__pyx_v_I * (sizeof(int))));
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":113
+ *             memset(faligned, 0, I*sizeof(int))
+ * 
+ *             esent = eda.data.arr + eda.sent_index.arr[sent_id]             # <<<<<<<<<<<<<<
+ *             J = eda.sent_index.arr[sent_id+1] - eda.sent_index.arr[sent_id] - 1
+ *             ealigned = <int*> malloc(J*sizeof(int))
+ */
+    __pyx_v_esent = (__pyx_v_eda->data->arr + (__pyx_v_eda->sent_index->arr[__pyx_v_sent_id]));
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":114
+ * 
+ *             esent = eda.data.arr + eda.sent_index.arr[sent_id]
+ *             J = eda.sent_index.arr[sent_id+1] - eda.sent_index.arr[sent_id] - 1             # <<<<<<<<<<<<<<
+ *             ealigned = <int*> malloc(J*sizeof(int))
+ *             memset(ealigned, 0, J*sizeof(int))
+ */
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+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":115
+ *             esent = eda.data.arr + eda.sent_index.arr[sent_id]
+ *             J = eda.sent_index.arr[sent_id+1] - eda.sent_index.arr[sent_id] - 1
+ *             ealigned = <int*> malloc(J*sizeof(int))             # <<<<<<<<<<<<<<
+ *             memset(ealigned, 0, J*sizeof(int))
+ * 
+ */
+    __pyx_v_ealigned = ((int *)malloc((__pyx_v_J * (sizeof(int)))));
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":116
+ *             J = eda.sent_index.arr[sent_id+1] - eda.sent_index.arr[sent_id] - 1
+ *             ealigned = <int*> malloc(J*sizeof(int))
+ *             memset(ealigned, 0, J*sizeof(int))             # <<<<<<<<<<<<<<
+ * 
+ *             links = aa._get_sent_links(sent_id, &num_links)
+ */
+    memset(__pyx_v_ealigned, 0, (__pyx_v_J * (sizeof(int))));
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":118
+ *             memset(ealigned, 0, J*sizeof(int))
+ * 
+ *             links = aa._get_sent_links(sent_id, &num_links)             # <<<<<<<<<<<<<<
+ * 
+ *             for l from 0 <= l < num_links:
+ */
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+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":120
+ *             links = aa._get_sent_links(sent_id, &num_links)
+ * 
+ *             for l from 0 <= l < num_links:             # <<<<<<<<<<<<<<
+ *                 i = links[l*2]
+ *                 j = links[l*2+1]
+ */
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+    for (__pyx_v_l = 0; __pyx_v_l < __pyx_t_7; __pyx_v_l++) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":121
+ * 
+ *             for l from 0 <= l < num_links:
+ *                 i = links[l*2]             # <<<<<<<<<<<<<<
+ *                 j = links[l*2+1]
+ *                 if i >= I or j >= J:
+ */
+      __pyx_v_i = (__pyx_v_links[(__pyx_v_l * 2)]);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":122
+ *             for l from 0 <= l < num_links:
+ *                 i = links[l*2]
+ *                 j = links[l*2+1]             # <<<<<<<<<<<<<<
+ *                 if i >= I or j >= J:
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+ */
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+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":123
+ *                 i = links[l*2]
+ *                 j = links[l*2+1]
+ *                 if i >= I or j >= J:             # <<<<<<<<<<<<<<
+ *                     raise Exception("%d-%d out of bounds (I=%d,J=%d) in line %d\n" % (i,j,I,J,sent_id+1))
+ *                 f_i = fsent[i]
+ */
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+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":124
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+        __Pyx_GOTREF(__pyx_t_5);
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+        __pyx_t_12 = PyInt_FromLong((__pyx_v_sent_id + 1)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+        __pyx_t_13 = PyTuple_New(5); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_13);
+        PyTuple_SET_ITEM(__pyx_t_13, 0, __pyx_t_1);
+        __Pyx_GIVEREF(__pyx_t_1);
+        PyTuple_SET_ITEM(__pyx_t_13, 1, __pyx_t_4);
+        __Pyx_GIVEREF(__pyx_t_4);
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+        __Pyx_GIVEREF(__pyx_t_5);
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+        __Pyx_GIVEREF(__pyx_t_11);
+        PyTuple_SET_ITEM(__pyx_t_13, 4, __pyx_t_12);
+        __Pyx_GIVEREF(__pyx_t_12);
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+        __pyx_t_4 = 0;
+        __pyx_t_5 = 0;
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+        __pyx_t_12 = 0;
+        __pyx_t_12 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_39), ((PyObject *)__pyx_t_13)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(((PyObject *)__pyx_t_12));
+        __Pyx_DECREF(((PyObject *)__pyx_t_13)); __pyx_t_13 = 0;
+        __pyx_t_13 = PyTuple_New(1); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_13);
+        PyTuple_SET_ITEM(__pyx_t_13, 0, ((PyObject *)__pyx_t_12));
+        __Pyx_GIVEREF(((PyObject *)__pyx_t_12));
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+        __Pyx_GOTREF(__pyx_t_12);
+        __Pyx_DECREF(((PyObject *)__pyx_t_13)); __pyx_t_13 = 0;
+        __Pyx_Raise(__pyx_t_12, 0, 0, 0);
+        __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+        {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        goto __pyx_L15;
+      }
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+ *                 f_i = fsent[i]             # <<<<<<<<<<<<<<
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+ */
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+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":126
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+ */
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+ *                 e_j = esent[j]
+ *                 fmargin[f_i] = fmargin[f_i]+1             # <<<<<<<<<<<<<<
+ *                 emargin[e_j] = emargin[e_j]+1
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+ */
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+ *                 e_j = esent[j]
+ *                 fmargin[f_i] = fmargin[f_i]+1
+ *                 emargin[e_j] = emargin[e_j]+1             # <<<<<<<<<<<<<<
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+ *                 fmargin[f_i] = fmargin[f_i]+1
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+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":130
+ *                 emargin[e_j] = emargin[e_j]+1
+ *                 if dict[f_i] == NULL:
+ *                     dict[f_i] = new_node(e_j)             # <<<<<<<<<<<<<<
+ *                     dict[f_i].val = 1
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+ */
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+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":131
+ *                 if dict[f_i] == NULL:
+ *                     dict[f_i] = new_node(e_j)
+ *                     dict[f_i].val = 1             # <<<<<<<<<<<<<<
+ *                     num_pairs = num_pairs + 1
+ *                 else:
+ */
+        (__pyx_v_dict[__pyx_v_f_i])->val = 1;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":132
+ *                     dict[f_i] = new_node(e_j)
+ *                     dict[f_i].val = 1
+ *                     num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     count = get_val(dict[f_i], e_j)
+ */
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+        goto __pyx_L16;
+      }
+      /*else*/ {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":134
+ *                     num_pairs = num_pairs + 1
+ *                 else:
+ *                     count = get_val(dict[f_i], e_j)             # <<<<<<<<<<<<<<
+ *                     if count[0] == 0:
+ *                         num_pairs = num_pairs + 1
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+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":135
+ *                 else:
+ *                     count = get_val(dict[f_i], e_j)
+ *                     if count[0] == 0:             # <<<<<<<<<<<<<<
+ *                         num_pairs = num_pairs + 1
+ *                     count[0] = count[0] + 1
+ */
+        __pyx_t_10 = ((__pyx_v_count[0]) == 0);
+        if (__pyx_t_10) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":136
+ *                     count = get_val(dict[f_i], e_j)
+ *                     if count[0] == 0:
+ *                         num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
+ *                     count[0] = count[0] + 1
+ *                 # add count
+ */
+          __pyx_v_num_pairs = (__pyx_v_num_pairs + 1);
+          goto __pyx_L17;
+        }
+        __pyx_L17:;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":137
+ *                     if count[0] == 0:
+ *                         num_pairs = num_pairs + 1
+ *                     count[0] = count[0] + 1             # <<<<<<<<<<<<<<
+ *                 # add count
+ *                 faligned[i] = 1
+ */
+        (__pyx_v_count[0]) = ((__pyx_v_count[0]) + 1);
+      }
+      __pyx_L16:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":139
+ *                     count[0] = count[0] + 1
+ *                 # add count
+ *                 faligned[i] = 1             # <<<<<<<<<<<<<<
+ *                 ealigned[j] = 1
+ *             for i from 0 <= i < I:
+ */
+      (__pyx_v_faligned[__pyx_v_i]) = 1;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":140
+ *                 # add count
+ *                 faligned[i] = 1
+ *                 ealigned[j] = 1             # <<<<<<<<<<<<<<
+ *             for i from 0 <= i < I:
+ *                 if faligned[i] == 0:
+ */
+      (__pyx_v_ealigned[__pyx_v_j]) = 1;
+    }
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":141
+ *                 faligned[i] = 1
+ *                 ealigned[j] = 1
+ *             for i from 0 <= i < I:             # <<<<<<<<<<<<<<
+ *                 if faligned[i] == 0:
+ *                     f_i = fsent[i]
+ */
+    __pyx_t_7 = __pyx_v_I;
+    for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_7; __pyx_v_i++) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":142
+ *                 ealigned[j] = 1
+ *             for i from 0 <= i < I:
+ *                 if faligned[i] == 0:             # <<<<<<<<<<<<<<
+ *                     f_i = fsent[i]
+ *                     fmargin[f_i] = fmargin[f_i] + 1
+ */
+      __pyx_t_10 = ((__pyx_v_faligned[__pyx_v_i]) == 0);
+      if (__pyx_t_10) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":143
+ *             for i from 0 <= i < I:
+ *                 if faligned[i] == 0:
+ *                     f_i = fsent[i]             # <<<<<<<<<<<<<<
+ *                     fmargin[f_i] = fmargin[f_i] + 1
+ *                     emargin[null_word] = emargin[null_word] + 1
+ */
+        __pyx_v_f_i = (__pyx_v_fsent[__pyx_v_i]);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":144
+ *                 if faligned[i] == 0:
+ *                     f_i = fsent[i]
+ *                     fmargin[f_i] = fmargin[f_i] + 1             # <<<<<<<<<<<<<<
+ *                     emargin[null_word] = emargin[null_word] + 1
+ *                     if dict[f_i] == NULL:
+ */
+        (__pyx_v_fmargin[__pyx_v_f_i]) = ((__pyx_v_fmargin[__pyx_v_f_i]) + 1);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":145
+ *                     f_i = fsent[i]
+ *                     fmargin[f_i] = fmargin[f_i] + 1
+ *                     emargin[null_word] = emargin[null_word] + 1             # <<<<<<<<<<<<<<
+ *                     if dict[f_i] == NULL:
+ *                         dict[f_i] = new_node(null_word)
+ */
+        (__pyx_v_emargin[__pyx_v_null_word]) = ((__pyx_v_emargin[__pyx_v_null_word]) + 1);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":146
+ *                     fmargin[f_i] = fmargin[f_i] + 1
+ *                     emargin[null_word] = emargin[null_word] + 1
+ *                     if dict[f_i] == NULL:             # <<<<<<<<<<<<<<
+ *                         dict[f_i] = new_node(null_word)
+ *                         dict[f_i].val = 1
+ */
+        __pyx_t_10 = ((__pyx_v_dict[__pyx_v_f_i]) == NULL);
+        if (__pyx_t_10) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":147
+ *                     emargin[null_word] = emargin[null_word] + 1
+ *                     if dict[f_i] == NULL:
+ *                         dict[f_i] = new_node(null_word)             # <<<<<<<<<<<<<<
+ *                         dict[f_i].val = 1
+ *                         num_pairs = num_pairs + 1
+ */
+          (__pyx_v_dict[__pyx_v_f_i]) = __pyx_f_3_sa_new_node(__pyx_v_null_word);
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":148
+ *                     if dict[f_i] == NULL:
+ *                         dict[f_i] = new_node(null_word)
+ *                         dict[f_i].val = 1             # <<<<<<<<<<<<<<
+ *                         num_pairs = num_pairs + 1
+ *                     else:
+ */
+          (__pyx_v_dict[__pyx_v_f_i])->val = 1;
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":149
+ *                         dict[f_i] = new_node(null_word)
+ *                         dict[f_i].val = 1
+ *                         num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
+ *                     else:
+ *                         count = get_val(dict[f_i], null_word)
+ */
+          __pyx_v_num_pairs = (__pyx_v_num_pairs + 1);
+          goto __pyx_L21;
+        }
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+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":151
+ *                         num_pairs = num_pairs + 1
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+ *                         count = get_val(dict[f_i], null_word)             # <<<<<<<<<<<<<<
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+ *                             num_pairs = num_pairs + 1
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+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":152
+ *                     else:
+ *                         count = get_val(dict[f_i], null_word)
+ *                         if count[0] == 0:             # <<<<<<<<<<<<<<
+ *                             num_pairs = num_pairs + 1
+ *                         count[0] = count[0] + 1
+ */
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+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":153
+ *                         count = get_val(dict[f_i], null_word)
+ *                         if count[0] == 0:
+ *                             num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
+ *                         count[0] = count[0] + 1
+ *             for j from 0 <= j < J:
+ */
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+            goto __pyx_L22;
+          }
+          __pyx_L22:;
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":154
+ *                         if count[0] == 0:
+ *                             num_pairs = num_pairs + 1
+ *                         count[0] = count[0] + 1             # <<<<<<<<<<<<<<
+ *             for j from 0 <= j < J:
+ *                 if ealigned[j] == 0:
+ */
+          (__pyx_v_count[0]) = ((__pyx_v_count[0]) + 1);
+        }
+        __pyx_L21:;
+        goto __pyx_L20;
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+      __pyx_L20:;
+    }
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":155
+ *                             num_pairs = num_pairs + 1
+ *                         count[0] = count[0] + 1
+ *             for j from 0 <= j < J:             # <<<<<<<<<<<<<<
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+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":156
+ *                         count[0] = count[0] + 1
+ *             for j from 0 <= j < J:
+ *                 if ealigned[j] == 0:             # <<<<<<<<<<<<<<
+ *                     e_j = esent[j]
+ *                     fmargin[null_word] = fmargin[null_word] + 1
+ */
+      __pyx_t_10 = ((__pyx_v_ealigned[__pyx_v_j]) == 0);
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+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":157
+ *             for j from 0 <= j < J:
+ *                 if ealigned[j] == 0:
+ *                     e_j = esent[j]             # <<<<<<<<<<<<<<
+ *                     fmargin[null_word] = fmargin[null_word] + 1
+ *                     emargin[e_j] = emargin[e_j] + 1
+ */
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+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":158
+ *                 if ealigned[j] == 0:
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+ *                     fmargin[null_word] = fmargin[null_word] + 1             # <<<<<<<<<<<<<<
+ *                     emargin[e_j] = emargin[e_j] + 1
+ *                     if dict[null_word] == NULL:
+ */
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+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":159
+ *                     e_j = esent[j]
+ *                     fmargin[null_word] = fmargin[null_word] + 1
+ *                     emargin[e_j] = emargin[e_j] + 1             # <<<<<<<<<<<<<<
+ *                     if dict[null_word] == NULL:
+ *                         dict[null_word] = new_node(e_j)
+ */
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+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":160
+ *                     fmargin[null_word] = fmargin[null_word] + 1
+ *                     emargin[e_j] = emargin[e_j] + 1
+ *                     if dict[null_word] == NULL:             # <<<<<<<<<<<<<<
+ *                         dict[null_word] = new_node(e_j)
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+        if (__pyx_t_10) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":161
+ *                     emargin[e_j] = emargin[e_j] + 1
+ *                     if dict[null_word] == NULL:
+ *                         dict[null_word] = new_node(e_j)             # <<<<<<<<<<<<<<
+ *                         dict[null_word].val = 1
+ *                         num_pairs = num_pairs + 1
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+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":162
+ *                     if dict[null_word] == NULL:
+ *                         dict[null_word] = new_node(e_j)
+ *                         dict[null_word].val = 1             # <<<<<<<<<<<<<<
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+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":163
+ *                         dict[null_word] = new_node(e_j)
+ *                         dict[null_word].val = 1
+ *                         num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
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+ */
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+          goto __pyx_L26;
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+ *                         count = get_val(dict[null_word], e_j)             # <<<<<<<<<<<<<<
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+ *                         count = get_val(dict[null_word], e_j)
+ *                         if count[0] == 0:             # <<<<<<<<<<<<<<
+ *                             num_pairs = num_pairs + 1
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+ */
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+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":167
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+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":168
+ *                         if count[0] == 0:
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+ *                         count[0] = count[0] + 1             # <<<<<<<<<<<<<<
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+      __pyx_L25:;
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":169
+ *                             num_pairs = num_pairs + 1
+ *                         count[0] = count[0] + 1
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+ *             free(faligned)
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+ *             free(links)
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":171
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+ *         self.f_index = IntList(initial_len=V_F)
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":172
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+  __Pyx_DECREF(((PyObject *)__pyx_v_self->f_index));
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":173
+ *             free(ealigned)
+ *         self.f_index = IntList(initial_len=V_F)
+ *         self.e_index = IntList(initial_len=num_pairs)             # <<<<<<<<<<<<<<
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+ *         self.col2 = FloatList(initial_len=num_pairs)
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+  __Pyx_DECREF(((PyObject *)__pyx_v_self->e_index));
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":174
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+ *         self.col1 = FloatList(initial_len=num_pairs)             # <<<<<<<<<<<<<<
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+ */
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+  __Pyx_DECREF(((PyObject *)__pyx_v_self->col1));
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":175
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+ * 
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+ *                 bitset_insert(subb, a)             # <<<<<<<<<<<<<<
+ *             if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ *                 veb.bottom[a] = new_VEB(1 << veb.num_bottom_bits)
+ */
+        __pyx_f_3_sa_bitset_insert(__pyx_v_subb, __pyx_v_a);
+      }
+      __pyx_L6:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":227
+ *                 subb = <_BitSet*> veb.top
+ *                 bitset_insert(subb, a)
+ *             if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
+ *                 veb.bottom[a] = new_VEB(1 << veb.num_bottom_bits)
+ *             else:
+ */
+      __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":228
+ *                 bitset_insert(subb, a)
+ *             if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ *                 veb.bottom[a] = new_VEB(1 << veb.num_bottom_bits)             # <<<<<<<<<<<<<<
+ *             else:
+ *                 veb.bottom[a] = new_BitSet()
+ */
+        (__pyx_v_veb->bottom[__pyx_v_a]) = __pyx_f_3_sa_new_VEB((1 << __pyx_v_veb->num_bottom_bits));
+        goto __pyx_L7;
+      }
+      /*else*/ {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":230
+ *                 veb.bottom[a] = new_VEB(1 << veb.num_bottom_bits)
+ *             else:
+ *                 veb.bottom[a] = new_BitSet()             # <<<<<<<<<<<<<<
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ *             subv = <_VEB*> veb.bottom[a]
+ */
+        (__pyx_v_veb->bottom[__pyx_v_a]) = __pyx_f_3_sa_new_BitSet();
+      }
+      __pyx_L7:;
+      goto __pyx_L5;
+    }
+    __pyx_L5:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":231
+ *             else:
+ *                 veb.bottom[a] = new_BitSet()
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
+ *             subv = <_VEB*> veb.bottom[a]
+ *             if VEB_insert(subv, b) == 0:
+ */
+    __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
+    if (__pyx_t_3) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":232
+ *                 veb.bottom[a] = new_BitSet()
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ *             subv = <_VEB*> veb.bottom[a]             # <<<<<<<<<<<<<<
+ *             if VEB_insert(subv, b) == 0:
+ *                 return 0
+ */
+      __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_a]));
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":233
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ *             subv = <_VEB*> veb.bottom[a]
+ *             if VEB_insert(subv, b) == 0:             # <<<<<<<<<<<<<<
+ *                 return 0
+ *         else:
+ */
+      __pyx_t_3 = (__pyx_f_3_sa_VEB_insert(__pyx_v_subv, __pyx_v_b) == 0);
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":234
+ *             subv = <_VEB*> veb.bottom[a]
+ *             if VEB_insert(subv, b) == 0:
+ *                 return 0             # <<<<<<<<<<<<<<
+ *         else:
+ *             subb = <_BitSet*> veb.bottom[a]
+ */
+        __pyx_r = 0;
+        goto __pyx_L0;
+        goto __pyx_L9;
+      }
+      __pyx_L9:;
+      goto __pyx_L8;
+    }
+    /*else*/ {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":236
+ *                 return 0
+ *         else:
+ *             subb = <_BitSet*> veb.bottom[a]             # <<<<<<<<<<<<<<
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+ *                 return 0
+ */
+      __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_a]));
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":237
+ *         else:
+ *             subb = <_BitSet*> veb.bottom[a]
+ *             if bitset_insert(subb, b) == 0:             # <<<<<<<<<<<<<<
+ *                 return 0
+ * 
+ */
+      __pyx_t_3 = (__pyx_f_3_sa_bitset_insert(__pyx_v_subb, __pyx_v_b) == 0);
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":238
+ *             subb = <_BitSet*> veb.bottom[a]
+ *             if bitset_insert(subb, b) == 0:
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+ * 
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+ */
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+        goto __pyx_L0;
+        goto __pyx_L10;
+      }
+      __pyx_L10:;
+    }
+    __pyx_L8:;
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":240
+ *                 return 0
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+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":241
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+      goto __pyx_L11;
+    }
+    __pyx_L11:;
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+  __pyx_L3:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":242
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+ *     return 1
+ * 
+ */
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+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":243
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+ *     return 1             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __pyx_r = 1;
+  goto __pyx_L0;
+
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
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+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":246
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+ * 
+ * cdef del_VEB(_VEB* veb):             # <<<<<<<<<<<<<<
+ *     cdef int i
+ * 
+ */
+
+static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
+  int __pyx_v_i;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  PyObject *__pyx_t_2 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("del_VEB", 0);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":249
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+ * 
+ *     if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
+ *         i = (<_VEB*> veb.top).min_val
+ *     else:
+ */
+  __pyx_t_1 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
+  if (__pyx_t_1) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":250
+ * 
+ *     if veb.top_universe_size > MIN_BOTTOM_SIZE:
+ *         i = (<_VEB*> veb.top).min_val             # <<<<<<<<<<<<<<
+ *     else:
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+ */
+    __pyx_v_i = ((struct __pyx_t_3_sa__VEB *)__pyx_v_veb->top)->min_val;
+    goto __pyx_L3;
+  }
+  /*else*/ {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":252
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+ *     else:
+ *         i = (<_BitSet*> veb.top).min_val             # <<<<<<<<<<<<<<
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+ */
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+  __pyx_L3:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":254
+ *         i = (<_BitSet*> veb.top).min_val
+ * 
+ *     while i != -1:             # <<<<<<<<<<<<<<
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+  while (1) {
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+    if (!__pyx_t_1) break;
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":255
+ * 
+ *     while i != -1:
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
+ *             del_VEB(<_VEB*> veb.bottom[i])
+ *         else:
+ */
+    __pyx_t_1 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
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+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":256
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+ *             del_VEB(<_VEB*> veb.bottom[i])             # <<<<<<<<<<<<<<
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+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
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+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":258
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+ *         else:
+ *             free(<_BitSet*> veb.bottom[i])             # <<<<<<<<<<<<<<
+ * 
+ *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
+ */
+      free(((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_i])));
+    }
+    __pyx_L6:;
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":260
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+ *         if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
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+ */
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+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":261
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+ *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
+ *             i = VEB_findsucc(<_VEB*> veb.top, i)             # <<<<<<<<<<<<<<
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+ */
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+      goto __pyx_L7;
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+    /*else*/ {
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+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":263
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+ *         else:
+ *             i = bitset_findsucc(<_BitSet*> veb.top, i)             # <<<<<<<<<<<<<<
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+ */
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":265
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+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":266
+ * 
+ *     if veb.top_universe_size > MIN_BOTTOM_SIZE:
+ *         del_VEB(<_VEB*> veb.top)             # <<<<<<<<<<<<<<
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+ */
+    __pyx_t_2 = __pyx_f_3_sa_del_VEB(((struct __pyx_t_3_sa__VEB *)__pyx_v_veb->top)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 266; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    goto __pyx_L8;
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+  /*else*/ {
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":268
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+ *         free(<_BitSet*> veb.top)             # <<<<<<<<<<<<<<
+ *     free(veb.bottom)
+ *     free(veb)
+ */
+    free(((struct __pyx_t_3_sa__BitSet *)__pyx_v_veb->top));
+  }
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":269
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+ *     free(veb.bottom)             # <<<<<<<<<<<<<<
+ *     free(veb)
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+ */
+  free(__pyx_v_veb->bottom);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":270
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+ * 
+ * 
+ */
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+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
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+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_AddTraceback("_sa.del_VEB", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
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+}
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+ * cdef int VEB_findsucc(_VEB* veb, int i):             # <<<<<<<<<<<<<<
+ *     cdef _VEB* subv
+ *     cdef _BitSet* subb
+ */
+
+static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __pyx_v_i) {
+  struct __pyx_t_3_sa__VEB *__pyx_v_subv;
+  struct __pyx_t_3_sa__BitSet *__pyx_v_subb;
+  int __pyx_v_a;
+  int __pyx_v_b;
+  int __pyx_v_j;
+  int __pyx_v_c;
+  int __pyx_v_found;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  int __pyx_t_2;
+  int __pyx_t_3;
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+ *     if veb.max_val == -1 or i>=veb.max_val:             # <<<<<<<<<<<<<<
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+ */
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+    __pyx_t_3 = __pyx_t_2;
+  } else {
+    __pyx_t_3 = __pyx_t_1;
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+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":279
+ * 
+ *     if veb.max_val == -1 or i>=veb.max_val:
+ *         return -1             # <<<<<<<<<<<<<<
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+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":280
+ *     if veb.max_val == -1 or i>=veb.max_val:
+ *         return -1
+ *     if i < veb.min_val:             # <<<<<<<<<<<<<<
+ *         return veb.min_val
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+ */
+  __pyx_t_3 = (__pyx_v_i < __pyx_v_veb->min_val);
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+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":281
+ *         return -1
+ *     if i < veb.min_val:
+ *         return veb.min_val             # <<<<<<<<<<<<<<
+ * 
+ *     a = i >> veb.num_bottom_bits
+ */
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+    goto __pyx_L0;
+    goto __pyx_L4;
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+  __pyx_L4:;
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+ *         return veb.min_val
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+ *     a = i >> veb.num_bottom_bits             # <<<<<<<<<<<<<<
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+ *     b = i & LOWER_MASK[veb.num_bottom_bits-1]             # <<<<<<<<<<<<<<
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+ *     a = i >> veb.num_bottom_bits
+ *     b = i & LOWER_MASK[veb.num_bottom_bits-1]
+ *     found = 0             # <<<<<<<<<<<<<<
+ *     if veb.bottom[a] != NULL:
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ */
+  __pyx_v_found = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":286
+ *     b = i & LOWER_MASK[veb.num_bottom_bits-1]
+ *     found = 0
+ *     if veb.bottom[a] != NULL:             # <<<<<<<<<<<<<<
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
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+ */
+  __pyx_t_3 = ((__pyx_v_veb->bottom[__pyx_v_a]) != NULL);
+  if (__pyx_t_3) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":287
+ *     found = 0
+ *     if veb.bottom[a] != NULL:
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
+ *             subv = <_VEB*> veb.bottom[a]
+ *             if subv.max_val > b:
+ */
+    __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
+    if (__pyx_t_3) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":288
+ *     if veb.bottom[a] != NULL:
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ *             subv = <_VEB*> veb.bottom[a]             # <<<<<<<<<<<<<<
+ *             if subv.max_val > b:
+ *                 j = (a << veb.num_bottom_bits) + VEB_findsucc(subv, b)
+ */
+      __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_a]));
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":289
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ *             subv = <_VEB*> veb.bottom[a]
+ *             if subv.max_val > b:             # <<<<<<<<<<<<<<
+ *                 j = (a << veb.num_bottom_bits) + VEB_findsucc(subv, b)
+ *                 found = 1
+ */
+      __pyx_t_3 = (__pyx_v_subv->max_val > __pyx_v_b);
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":290
+ *             subv = <_VEB*> veb.bottom[a]
+ *             if subv.max_val > b:
+ *                 j = (a << veb.num_bottom_bits) + VEB_findsucc(subv, b)             # <<<<<<<<<<<<<<
+ *                 found = 1
+ *         else:
+ */
+        __pyx_v_j = ((__pyx_v_a << __pyx_v_veb->num_bottom_bits) + __pyx_f_3_sa_VEB_findsucc(__pyx_v_subv, __pyx_v_b));
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":291
+ *             if subv.max_val > b:
+ *                 j = (a << veb.num_bottom_bits) + VEB_findsucc(subv, b)
+ *                 found = 1             # <<<<<<<<<<<<<<
+ *         else:
+ *             subb = <_BitSet*> veb.bottom[a]
+ */
+        __pyx_v_found = 1;
+        goto __pyx_L7;
+      }
+      __pyx_L7:;
+      goto __pyx_L6;
+    }
+    /*else*/ {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":293
+ *                 found = 1
+ *         else:
+ *             subb = <_BitSet*> veb.bottom[a]             # <<<<<<<<<<<<<<
+ *             if subb.max_val > b:
+ *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)
+ */
+      __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_a]));
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":294
+ *         else:
+ *             subb = <_BitSet*> veb.bottom[a]
+ *             if subb.max_val > b:             # <<<<<<<<<<<<<<
+ *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)
+ *                 found = 1
+ */
+      __pyx_t_3 = (__pyx_v_subb->max_val > __pyx_v_b);
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":295
+ *             subb = <_BitSet*> veb.bottom[a]
+ *             if subb.max_val > b:
+ *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)             # <<<<<<<<<<<<<<
+ *                 found = 1
+ *     if found==0:
+ */
+        __pyx_v_j = ((__pyx_v_a << __pyx_v_veb->num_bottom_bits) + __pyx_f_3_sa_bitset_findsucc(__pyx_v_subb, __pyx_v_b));
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":296
+ *             if subb.max_val > b:
+ *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)
+ *                 found = 1             # <<<<<<<<<<<<<<
+ *     if found==0:
+ *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
+ */
+        __pyx_v_found = 1;
+        goto __pyx_L8;
+      }
+      __pyx_L8:;
+    }
+    __pyx_L6:;
+    goto __pyx_L5;
+  }
+  __pyx_L5:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":297
+ *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)
+ *                 found = 1
+ *     if found==0:             # <<<<<<<<<<<<<<
+ *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
+ *             subv = <_VEB*> veb.top
+ */
+  __pyx_t_3 = (__pyx_v_found == 0);
+  if (__pyx_t_3) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":298
+ *                 found = 1
+ *     if found==0:
+ *         if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
+ *             subv = <_VEB*> veb.top
+ *             c = VEB_findsucc(subv, a)
+ */
+    __pyx_t_3 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
+    if (__pyx_t_3) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":299
+ *     if found==0:
+ *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
+ *             subv = <_VEB*> veb.top             # <<<<<<<<<<<<<<
+ *             c = VEB_findsucc(subv, a)
+ *         else:
+ */
+      __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)__pyx_v_veb->top);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":300
+ *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
+ *             subv = <_VEB*> veb.top
+ *             c = VEB_findsucc(subv, a)             # <<<<<<<<<<<<<<
+ *         else:
+ *             subb = <_BitSet*> veb.top
+ */
+      __pyx_v_c = __pyx_f_3_sa_VEB_findsucc(__pyx_v_subv, __pyx_v_a);
+      goto __pyx_L10;
+    }
+    /*else*/ {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":302
+ *             c = VEB_findsucc(subv, a)
+ *         else:
+ *             subb = <_BitSet*> veb.top             # <<<<<<<<<<<<<<
+ *             c = bitset_findsucc(subb, a)
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ */
+      __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)__pyx_v_veb->top);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":303
+ *         else:
+ *             subb = <_BitSet*> veb.top
+ *             c = bitset_findsucc(subb, a)             # <<<<<<<<<<<<<<
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ *             subv = <_VEB*> veb.bottom[c]
+ */
+      __pyx_v_c = __pyx_f_3_sa_bitset_findsucc(__pyx_v_subb, __pyx_v_a);
+    }
+    __pyx_L10:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":304
+ *             subb = <_BitSet*> veb.top
+ *             c = bitset_findsucc(subb, a)
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
+ *             subv = <_VEB*> veb.bottom[c]
+ *             j = (c << veb.num_bottom_bits) + subv.min_val
+ */
+    __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
+    if (__pyx_t_3) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":305
+ *             c = bitset_findsucc(subb, a)
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ *             subv = <_VEB*> veb.bottom[c]             # <<<<<<<<<<<<<<
+ *             j = (c << veb.num_bottom_bits) + subv.min_val
+ *         else:
+ */
+      __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_c]));
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":306
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ *             subv = <_VEB*> veb.bottom[c]
+ *             j = (c << veb.num_bottom_bits) + subv.min_val             # <<<<<<<<<<<<<<
+ *         else:
+ *             subb = <_BitSet*> veb.bottom[c]
+ */
+      __pyx_v_j = ((__pyx_v_c << __pyx_v_veb->num_bottom_bits) + __pyx_v_subv->min_val);
+      goto __pyx_L11;
+    }
+    /*else*/ {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":308
+ *             j = (c << veb.num_bottom_bits) + subv.min_val
+ *         else:
+ *             subb = <_BitSet*> veb.bottom[c]             # <<<<<<<<<<<<<<
+ *             j = (c << veb.num_bottom_bits) + subb.min_val
+ *     return j
+ */
+      __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_c]));
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":309
+ *         else:
+ *             subb = <_BitSet*> veb.bottom[c]
+ *             j = (c << veb.num_bottom_bits) + subb.min_val             # <<<<<<<<<<<<<<
+ *     return j
+ * 
+ */
+      __pyx_v_j = ((__pyx_v_c << __pyx_v_veb->num_bottom_bits) + __pyx_v_subb->min_val);
+    }
+    __pyx_L11:;
+    goto __pyx_L9;
+  }
+  __pyx_L9:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":310
+ *             subb = <_BitSet*> veb.bottom[c]
+ *             j = (c << veb.num_bottom_bits) + subb.min_val
+ *     return j             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __pyx_r = __pyx_v_j;
+  goto __pyx_L0;
+
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":313
+ * 
+ * 
+ * cdef int VEB_contains(_VEB* veb, int i):             # <<<<<<<<<<<<<<
+ *     cdef _VEB* subv
+ *     cdef _BitSet* subb
+ */
+
+static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __pyx_v_i) {
+  struct __pyx_t_3_sa__VEB *__pyx_v_subv;
+  struct __pyx_t_3_sa__BitSet *__pyx_v_subb;
+  int __pyx_v_a;
+  int __pyx_v_b;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  int __pyx_t_2;
+  int __pyx_t_3;
+  int __pyx_t_4;
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+
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+ *         return 0
+ * 
+ */
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+  if (!__pyx_t_1) {
+    __pyx_t_2 = (__pyx_v_i < __pyx_v_veb->min_val);
+    if (!__pyx_t_2) {
+      __pyx_t_3 = (__pyx_v_i > __pyx_v_veb->max_val);
+      __pyx_t_4 = __pyx_t_3;
+    } else {
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+    __pyx_t_2 = __pyx_t_4;
+  } else {
+    __pyx_t_2 = __pyx_t_1;
+  }
+  if (__pyx_t_2) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":319
+ * 
+ *     if veb.size == 0 or i < veb.min_val or i > veb.max_val:
+ *         return 0             # <<<<<<<<<<<<<<
+ * 
+ *     if veb.min_val == i:
+ */
+    __pyx_r = 0;
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":321
+ *         return 0
+ * 
+ *     if veb.min_val == i:             # <<<<<<<<<<<<<<
+ *         return 1
+ *     else:
+ */
+  __pyx_t_2 = (__pyx_v_veb->min_val == __pyx_v_i);
+  if (__pyx_t_2) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":322
+ * 
+ *     if veb.min_val == i:
+ *         return 1             # <<<<<<<<<<<<<<
+ *     else:
+ *         if veb.size == 1:
+ */
+    __pyx_r = 1;
+    goto __pyx_L0;
+    goto __pyx_L4;
+  }
+  /*else*/ {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":324
+ *         return 1
+ *     else:
+ *         if veb.size == 1:             # <<<<<<<<<<<<<<
+ *             return 0
+ * 
+ */
+    __pyx_t_2 = (__pyx_v_veb->size == 1);
+    if (__pyx_t_2) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":325
+ *     else:
+ *         if veb.size == 1:
+ *             return 0             # <<<<<<<<<<<<<<
+ * 
+ *     a = i >> veb.num_bottom_bits
+ */
+      __pyx_r = 0;
+      goto __pyx_L0;
+      goto __pyx_L5;
+    }
+    __pyx_L5:;
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+  __pyx_L4:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":327
+ *             return 0
+ * 
+ *     a = i >> veb.num_bottom_bits             # <<<<<<<<<<<<<<
+ *     b = i & LOWER_MASK[veb.num_bottom_bits-1]
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+ */
+  __pyx_v_a = (__pyx_v_i >> __pyx_v_veb->num_bottom_bits);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":328
+ * 
+ *     a = i >> veb.num_bottom_bits
+ *     b = i & LOWER_MASK[veb.num_bottom_bits-1]             # <<<<<<<<<<<<<<
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+ *         return 0
+ */
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+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":329
+ *     a = i >> veb.num_bottom_bits
+ *     b = i & LOWER_MASK[veb.num_bottom_bits-1]
+ *     if veb.bottom[a] == NULL:             # <<<<<<<<<<<<<<
+ *         return 0
+ *     else:
+ */
+  __pyx_t_2 = ((__pyx_v_veb->bottom[__pyx_v_a]) == NULL);
+  if (__pyx_t_2) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":330
+ *     b = i & LOWER_MASK[veb.num_bottom_bits-1]
+ *     if veb.bottom[a] == NULL:
+ *         return 0             # <<<<<<<<<<<<<<
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+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ */
+    __pyx_r = 0;
+    goto __pyx_L0;
+    goto __pyx_L6;
+  }
+  /*else*/ {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":332
+ *         return 0
+ *     else:
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
+ *             subv = <_VEB*> veb.bottom[a]
+ *             return VEB_contains(subv, b)
+ */
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+    if (__pyx_t_2) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":333
+ *     else:
+ *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
+ *             subv = <_VEB*> veb.bottom[a]             # <<<<<<<<<<<<<<
+ *             return VEB_contains(subv, b)
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+ */
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+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":334
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+ *             subv = <_VEB*> veb.bottom[a]
+ *             return VEB_contains(subv, b)             # <<<<<<<<<<<<<<
+ *         else:
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+      goto __pyx_L0;
+      goto __pyx_L7;
+    }
+    /*else*/ {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":336
+ *             return VEB_contains(subv, b)
+ *         else:
+ *             subb = <_BitSet*> veb.bottom[a]             # <<<<<<<<<<<<<<
+ *             return bitset_contains(subb, b)
+ * 
+ */
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+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":337
+ *         else:
+ *             subb = <_BitSet*> veb.bottom[a]
+ *             return bitset_contains(subb, b)             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+      __pyx_r = __pyx_f_3_sa_bitset_contains(__pyx_v_subb, __pyx_v_b);
+      goto __pyx_L0;
+    }
+    __pyx_L7:;
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+  __pyx_L6:;
+
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
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+static PyObject *__pyx_pw_3_sa_11VEBIterator_1__next__(PyObject *__pyx_v_self) {
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+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__next__ (wrapper)", 0);
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+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
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+ * 
+ *     def __next__(self):             # <<<<<<<<<<<<<<
+ *         cdef int ret_val
+ * 
+ */
+
+static PyObject *__pyx_pf_3_sa_11VEBIterator___next__(struct __pyx_obj_3_sa_VEBIterator *__pyx_v_self) {
+  int __pyx_v_ret_val;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
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+  PyObject *__pyx_t_2 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__next__", 0);
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+ *         cdef int ret_val
+ * 
+ *         if self.next_val == -1:             # <<<<<<<<<<<<<<
+ *             raise StopIteration()
+ *         ret_val = self.next_val
+ */
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+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":348
+ * 
+ *         if self.next_val == -1:
+ *             raise StopIteration()             # <<<<<<<<<<<<<<
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+ *         self.next_val = VEB_findsucc(self.v, ret_val)
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+    goto __pyx_L3;
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":350
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":329
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+ * 
+ *         logger.info("    Computing collocations...")             # <<<<<<<<<<<<<<
+ *         N = len(queue)
+ *         ptr1 = 0
+ */
+  __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 329; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __pyx_t_1 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__info); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 329; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_k_tuple_75), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 329; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":330
+ * 
+ *         logger.info("    Computing collocations...")
+ *         N = len(queue)             # <<<<<<<<<<<<<<
+ *         ptr1 = 0
+ *         sent_count = 0
+ */
+  __pyx_t_2 = PyObject_Length(((PyObject *)__pyx_v_queue)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 330; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_v_N = __pyx_t_2;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":331
+ *         logger.info("    Computing collocations...")
+ *         N = len(queue)
+ *         ptr1 = 0             # <<<<<<<<<<<<<<
+ *         sent_count = 0
+ *         while ptr1 < N:    # main loop
+ */
+  __pyx_v_ptr1 = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":332
+ *         N = len(queue)
+ *         ptr1 = 0
+ *         sent_count = 0             # <<<<<<<<<<<<<<
+ *         while ptr1 < N:    # main loop
+ *             i1 = queue.arr[ptr1]
+ */
+  __pyx_v_sent_count = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":333
+ *         ptr1 = 0
+ *         sent_count = 0
+ *         while ptr1 < N:    # main loop             # <<<<<<<<<<<<<<
+ *             i1 = queue.arr[ptr1]
+ *             if i1 > -1:
+ */
+  while (1) {
+    __pyx_t_11 = (__pyx_v_ptr1 < __pyx_v_N);
+    if (!__pyx_t_11) break;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":334
+ *         sent_count = 0
+ *         while ptr1 < N:    # main loop
+ *             i1 = queue.arr[ptr1]             # <<<<<<<<<<<<<<
+ *             if i1 > -1:
+ *                 l1 = queue.arr[ptr1+1]
+ */
+    __pyx_v_i1 = (__pyx_v_queue->arr[__pyx_v_ptr1]);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":335
+ *         while ptr1 < N:    # main loop
+ *             i1 = queue.arr[ptr1]
+ *             if i1 > -1:             # <<<<<<<<<<<<<<
+ *                 l1 = queue.arr[ptr1+1]
+ *                 ptr2 = ptr1 + 2
+ */
+    __pyx_t_11 = (__pyx_v_i1 > -1);
+    if (__pyx_t_11) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":336
+ *             i1 = queue.arr[ptr1]
+ *             if i1 > -1:
+ *                 l1 = queue.arr[ptr1+1]             # <<<<<<<<<<<<<<
+ *                 ptr2 = ptr1 + 2
+ *                 while ptr2 < N:
+ */
+      __pyx_v_l1 = (__pyx_v_queue->arr[(__pyx_v_ptr1 + 1)]);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":337
+ *             if i1 > -1:
+ *                 l1 = queue.arr[ptr1+1]
+ *                 ptr2 = ptr1 + 2             # <<<<<<<<<<<<<<
+ *                 while ptr2 < N:
+ *                     i2 = queue.arr[ptr2]
+ */
+      __pyx_v_ptr2 = (__pyx_v_ptr1 + 2);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":338
+ *                 l1 = queue.arr[ptr1+1]
+ *                 ptr2 = ptr1 + 2
+ *                 while ptr2 < N:             # <<<<<<<<<<<<<<
+ *                     i2 = queue.arr[ptr2]
+ *                     if i2 == -1 or i2 - i1 >= self.train_max_initial_size:
+ */
+      while (1) {
+        __pyx_t_11 = (__pyx_v_ptr2 < __pyx_v_N);
+        if (!__pyx_t_11) break;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":339
+ *                 ptr2 = ptr1 + 2
+ *                 while ptr2 < N:
+ *                     i2 = queue.arr[ptr2]             # <<<<<<<<<<<<<<
+ *                     if i2 == -1 or i2 - i1 >= self.train_max_initial_size:
+ *                         break
+ */
+        __pyx_v_i2 = (__pyx_v_queue->arr[__pyx_v_ptr2]);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":340
+ *                 while ptr2 < N:
+ *                     i2 = queue.arr[ptr2]
+ *                     if i2 == -1 or i2 - i1 >= self.train_max_initial_size:             # <<<<<<<<<<<<<<
+ *                         break
+ *                     l2 = queue.arr[ptr2+1]
+ */
+        __pyx_t_11 = (__pyx_v_i2 == -1);
+        if (!__pyx_t_11) {
+          __pyx_t_17 = ((__pyx_v_i2 - __pyx_v_i1) >= __pyx_v_self->train_max_initial_size);
+          __pyx_t_18 = __pyx_t_17;
+        } else {
+          __pyx_t_18 = __pyx_t_11;
+        }
+        if (__pyx_t_18) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":341
+ *                     i2 = queue.arr[ptr2]
+ *                     if i2 == -1 or i2 - i1 >= self.train_max_initial_size:
+ *                         break             # <<<<<<<<<<<<<<
+ *                     l2 = queue.arr[ptr2+1]
+ *                     if (i2 - i1 - l1 >= self.train_min_gap_size and
+ */
+          goto __pyx_L19_break;
+          goto __pyx_L20;
+        }
+        __pyx_L20:;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":342
+ *                     if i2 == -1 or i2 - i1 >= self.train_max_initial_size:
+ *                         break
+ *                     l2 = queue.arr[ptr2+1]             # <<<<<<<<<<<<<<
+ *                     if (i2 - i1 - l1 >= self.train_min_gap_size and
+ *                             i2 + l2 - i1 <= self.train_max_initial_size and
+ */
+        __pyx_v_l2 = (__pyx_v_queue->arr[(__pyx_v_ptr2 + 1)]);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":343
+ *                         break
+ *                     l2 = queue.arr[ptr2+1]
+ *                     if (i2 - i1 - l1 >= self.train_min_gap_size and             # <<<<<<<<<<<<<<
+ *                             i2 + l2 - i1 <= self.train_max_initial_size and
+ *                             l1+l2+1 <= self.max_length):
+ */
+        __pyx_t_18 = (((__pyx_v_i2 - __pyx_v_i1) - __pyx_v_l1) >= __pyx_v_self->train_min_gap_size);
+        if (__pyx_t_18) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":344
+ *                     l2 = queue.arr[ptr2+1]
+ *                     if (i2 - i1 - l1 >= self.train_min_gap_size and
+ *                             i2 + l2 - i1 <= self.train_max_initial_size and             # <<<<<<<<<<<<<<
+ *                             l1+l2+1 <= self.max_length):
+ *                         node = collocations._insert(data.arr+i1, l1)
+ */
+          __pyx_t_11 = (((__pyx_v_i2 + __pyx_v_l2) - __pyx_v_i1) <= __pyx_v_self->train_max_initial_size);
+          if (__pyx_t_11) {
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":345
+ *                     if (i2 - i1 - l1 >= self.train_min_gap_size and
+ *                             i2 + l2 - i1 <= self.train_max_initial_size and
+ *                             l1+l2+1 <= self.max_length):             # <<<<<<<<<<<<<<
+ *                         node = collocations._insert(data.arr+i1, l1)
+ *                         node = trie_insert(node, -1)
+ */
+            __pyx_t_17 = (((__pyx_v_l1 + __pyx_v_l2) + 1) <= __pyx_v_self->max_length);
+            __pyx_t_19 = __pyx_t_17;
+          } else {
+            __pyx_t_19 = __pyx_t_11;
+          }
+          __pyx_t_11 = __pyx_t_19;
+        } else {
+          __pyx_t_11 = __pyx_t_18;
+        }
+        if (__pyx_t_11) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":346
+ *                             i2 + l2 - i1 <= self.train_max_initial_size and
+ *                             l1+l2+1 <= self.max_length):
+ *                         node = collocations._insert(data.arr+i1, l1)             # <<<<<<<<<<<<<<
+ *                         node = trie_insert(node, -1)
+ *                         for i from i2 <= i < i2+l2:
+ */
+          __pyx_v_node = ((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_collocations->__pyx_vtab)->_insert(__pyx_v_collocations, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1);
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":347
+ *                             l1+l2+1 <= self.max_length):
+ *                         node = collocations._insert(data.arr+i1, l1)
+ *                         node = trie_insert(node, -1)             # <<<<<<<<<<<<<<
+ *                         for i from i2 <= i < i2+l2:
+ *                             node = trie_insert(node, data.arr[i])
+ */
+          __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, -1);
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":348
+ *                         node = collocations._insert(data.arr+i1, l1)
+ *                         node = trie_insert(node, -1)
+ *                         for i from i2 <= i < i2+l2:             # <<<<<<<<<<<<<<
+ *                             node = trie_insert(node, data.arr[i])
+ *                         trie_node_data_append(node, i1)
+ */
+          __pyx_t_13 = (__pyx_v_i2 + __pyx_v_l2);
+          for (__pyx_v_i = __pyx_v_i2; __pyx_v_i < __pyx_t_13; __pyx_v_i++) {
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":349
+ *                         node = trie_insert(node, -1)
+ *                         for i from i2 <= i < i2+l2:
+ *                             node = trie_insert(node, data.arr[i])             # <<<<<<<<<<<<<<
+ *                         trie_node_data_append(node, i1)
+ *                         trie_node_data_append(node, i2)
+ */
+            __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
+          }
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":350
+ *                         for i from i2 <= i < i2+l2:
+ *                             node = trie_insert(node, data.arr[i])
+ *                         trie_node_data_append(node, i1)             # <<<<<<<<<<<<<<
+ *                         trie_node_data_append(node, i2)
+ *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:
+ */
+          __pyx_t_3 = __pyx_f_3_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 350; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_3);
+          __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":351
+ *                             node = trie_insert(node, data.arr[i])
+ *                         trie_node_data_append(node, i1)
+ *                         trie_node_data_append(node, i2)             # <<<<<<<<<<<<<<
+ *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:
+ *                             if super_frequent_patterns._contains(data.arr+i1, l1) != NULL:
+ */
+          __pyx_t_3 = __pyx_f_3_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 351; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_3);
+          __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":352
+ *                         trie_node_data_append(node, i1)
+ *                         trie_node_data_append(node, i2)
+ *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:             # <<<<<<<<<<<<<<
+ *                             if super_frequent_patterns._contains(data.arr+i1, l1) != NULL:
+ *                                 is_super = 1
+ */
+          __pyx_t_11 = (((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i2), __pyx_v_l2) != NULL);
+          if (__pyx_t_11) {
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":353
+ *                         trie_node_data_append(node, i2)
+ *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:
+ *                             if super_frequent_patterns._contains(data.arr+i1, l1) != NULL:             # <<<<<<<<<<<<<<
+ *                                 is_super = 1
+ *                             else:
+ */
+            __pyx_t_11 = (((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1) != NULL);
+            if (__pyx_t_11) {
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":354
+ *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:
+ *                             if super_frequent_patterns._contains(data.arr+i1, l1) != NULL:
+ *                                 is_super = 1             # <<<<<<<<<<<<<<
+ *                             else:
+ *                                 is_super = 0
+ */
+              __pyx_v_is_super = 1;
+              goto __pyx_L25;
+            }
+            /*else*/ {
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":356
+ *                                 is_super = 1
+ *                             else:
+ *                                 is_super = 0             # <<<<<<<<<<<<<<
+ *                             ptr3 = ptr2 + 2
+ *                             while ptr3 < N:
+ */
+              __pyx_v_is_super = 0;
+            }
+            __pyx_L25:;
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":357
+ *                             else:
+ *                                 is_super = 0
+ *                             ptr3 = ptr2 + 2             # <<<<<<<<<<<<<<
+ *                             while ptr3 < N:
+ *                                 i3 = queue.arr[ptr3]
+ */
+            __pyx_v_ptr3 = (__pyx_v_ptr2 + 2);
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":358
+ *                                 is_super = 0
+ *                             ptr3 = ptr2 + 2
+ *                             while ptr3 < N:             # <<<<<<<<<<<<<<
+ *                                 i3 = queue.arr[ptr3]
+ *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:
+ */
+            while (1) {
+              __pyx_t_11 = (__pyx_v_ptr3 < __pyx_v_N);
+              if (!__pyx_t_11) break;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":359
+ *                             ptr3 = ptr2 + 2
+ *                             while ptr3 < N:
+ *                                 i3 = queue.arr[ptr3]             # <<<<<<<<<<<<<<
+ *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:
+ *                                     break
+ */
+              __pyx_v_i3 = (__pyx_v_queue->arr[__pyx_v_ptr3]);
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":360
+ *                             while ptr3 < N:
+ *                                 i3 = queue.arr[ptr3]
+ *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:             # <<<<<<<<<<<<<<
+ *                                     break
+ *                                 l3 = queue.arr[ptr3+1]
+ */
+              __pyx_t_11 = (__pyx_v_i3 == -1);
+              if (!__pyx_t_11) {
+                __pyx_t_18 = ((__pyx_v_i3 - __pyx_v_i1) >= __pyx_v_self->train_max_initial_size);
+                __pyx_t_19 = __pyx_t_18;
+              } else {
+                __pyx_t_19 = __pyx_t_11;
+              }
+              if (__pyx_t_19) {
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":361
+ *                                 i3 = queue.arr[ptr3]
+ *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:
+ *                                     break             # <<<<<<<<<<<<<<
+ *                                 l3 = queue.arr[ptr3+1]
+ *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and
+ */
+                goto __pyx_L27_break;
+                goto __pyx_L28;
+              }
+              __pyx_L28:;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":362
+ *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:
+ *                                     break
+ *                                 l3 = queue.arr[ptr3+1]             # <<<<<<<<<<<<<<
+ *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and
+ *                                         i3 + l3 - i1 <= self.train_max_initial_size and
+ */
+              __pyx_v_l3 = (__pyx_v_queue->arr[(__pyx_v_ptr3 + 1)]);
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":363
+ *                                     break
+ *                                 l3 = queue.arr[ptr3+1]
+ *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and             # <<<<<<<<<<<<<<
+ *                                         i3 + l3 - i1 <= self.train_max_initial_size and
+ *                                         l1+l2+l3+2 <= self.max_length):
+ */
+              __pyx_t_19 = (((__pyx_v_i3 - __pyx_v_i2) - __pyx_v_l2) >= __pyx_v_self->train_min_gap_size);
+              if (__pyx_t_19) {
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":364
+ *                                 l3 = queue.arr[ptr3+1]
+ *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and
+ *                                         i3 + l3 - i1 <= self.train_max_initial_size and             # <<<<<<<<<<<<<<
+ *                                         l1+l2+l3+2 <= self.max_length):
+ *                                     if is_super or super_frequent_patterns._contains(data.arr+i3, l3) != NULL:
+ */
+                __pyx_t_11 = (((__pyx_v_i3 + __pyx_v_l3) - __pyx_v_i1) <= __pyx_v_self->train_max_initial_size);
+                if (__pyx_t_11) {
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":365
+ *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and
+ *                                         i3 + l3 - i1 <= self.train_max_initial_size and
+ *                                         l1+l2+l3+2 <= self.max_length):             # <<<<<<<<<<<<<<
+ *                                     if is_super or super_frequent_patterns._contains(data.arr+i3, l3) != NULL:
+ *                                         node = collocations._insert(data.arr+i1, l1)
+ */
+                  __pyx_t_18 = ((((__pyx_v_l1 + __pyx_v_l2) + __pyx_v_l3) + 2) <= __pyx_v_self->max_length);
+                  __pyx_t_17 = __pyx_t_18;
+                } else {
+                  __pyx_t_17 = __pyx_t_11;
+                }
+                __pyx_t_11 = __pyx_t_17;
+              } else {
+                __pyx_t_11 = __pyx_t_19;
+              }
+              if (__pyx_t_11) {
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":366
+ *                                         i3 + l3 - i1 <= self.train_max_initial_size and
+ *                                         l1+l2+l3+2 <= self.max_length):
+ *                                     if is_super or super_frequent_patterns._contains(data.arr+i3, l3) != NULL:             # <<<<<<<<<<<<<<
+ *                                         node = collocations._insert(data.arr+i1, l1)
+ *                                         node = trie_insert(node, -1)
+ */
+                if (!__pyx_v_is_super) {
+                  __pyx_t_11 = (((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i3), __pyx_v_l3) != NULL);
+                  __pyx_t_19 = __pyx_t_11;
+                } else {
+                  __pyx_t_19 = __pyx_v_is_super;
+                }
+                if (__pyx_t_19) {
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":367
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+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":368
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+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":369
+ *                                         node = collocations._insert(data.arr+i1, l1)
+ *                                         node = trie_insert(node, -1)
+ *                                         for i from i2 <= i < i2+l2:             # <<<<<<<<<<<<<<
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+ *                                         node = trie_insert(node, -1)
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+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":370
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+ *                                         node = trie_insert(node, -1)
+ *                                         for i from i3 <= i < i3+l3:
+ */
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+ *                                         trie_node_data_append(node, i2)
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+ * 
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+ */
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+ * 
+ *     def sample(self, PhraseLocation phrase_location):             # <<<<<<<<<<<<<<
+ *         '''Returns a sample of the locations for
+ *         the phrase.    If there are less than self.sample_size
+ */
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+static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *__pyx_v_self, struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_phrase_location) {
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+  double __pyx_v_i;
+  double __pyx_v_stepsize;
+  int __pyx_v_num_locations;
+  int __pyx_v_val;
+  int __pyx_v_j;
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+  __Pyx_RefNannyDeclarations
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+  int __pyx_t_2;
+  int __pyx_t_3;
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+  int __pyx_t_5;
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+  int __pyx_clineno = 0;
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+ * 
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+ */
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":108
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+ *         if phrase_location.arr is None:             # <<<<<<<<<<<<<<
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+ *             if self.sample_size == -1 or num_locations <= self.sample_size:
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":109
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+    }
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+ *             else:
+ *                 stepsize = float(num_locations)/float(self.sample_size)             # <<<<<<<<<<<<<<
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+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
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+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":114
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+ *                     '''Note: int(i) not guaranteed to have the desired
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+ *                     if fmod(i,1.0) > 0.5:             # <<<<<<<<<<<<<<
+ *                         val = int(ceil(i))
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+ *                     if fmod(i,1.0) > 0.5:
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+ *                     else:
+ *                         val = int(floor(i))
+ */
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+          goto __pyx_L7;
+        }
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+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":121
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+ *                     else:
+ *                         val = int(floor(i))             # <<<<<<<<<<<<<<
+ *                     sample._append(self.sa.arr[val])
+ *                     i = i + stepsize
+ */
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+        }
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+ *                     i = i + stepsize
+ *         else:
+ */
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+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":123
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+ *                     sample._append(self.sa.arr[val])
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+ *         else:
+ *             num_locations = (phrase_location.arr_high - phrase_location.arr_low) / phrase_location.num_subpatterns
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+      }
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+  }
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+ *         else:
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+ *             if self.sample_size == -1 or num_locations <= self.sample_size:
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+ */
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+    if (unlikely(__pyx_v_phrase_location->num_subpatterns == 0)) {
+      PyErr_Format(PyExc_ZeroDivisionError, "integer division or modulo by zero");
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":126
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+ *             if self.sample_size == -1 or num_locations <= self.sample_size:             # <<<<<<<<<<<<<<
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+ *             else:
+ */
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+      __Pyx_DECREF(((PyObject *)__pyx_v_sample));
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+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":129
+ *                 sample = phrase_location.arr
+ *             else:
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+ *                 i = phrase_location.arr_low
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+ */
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+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+ *                 i = phrase_location.arr_low
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+ *                     '''Note: int(i) not guaranteed to have the desired
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+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":134
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+ *                     effect, according to the python documentation'''
+ *                     if fmod(i,1.0) > 0.5:             # <<<<<<<<<<<<<<
+ *                         val = int(ceil(i))
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+ *                         val = int(floor(i))             # <<<<<<<<<<<<<<
+ *                     j = phrase_location.arr_low + (val*phrase_location.num_subpatterns)
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+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":139
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+ *                     i = i + stepsize
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+ *             unsigned max_nonterminals=2,
+ *             # maximum number of contiguous chunks of terminal symbols in target-side RHS of a rule. If None, defaults to max_nonterminals+1
+ *             max_target_chunks=None,             # <<<<<<<<<<<<<<
+ *             # maximum number of target side symbols (both T and NT) allowed in a rule. If None, defaults to max_initial_size
+ *             max_target_length=None,
+ */
+    values[7] = ((PyObject *)Py_None);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":267
+ *             max_target_chunks=None,
+ *             # maximum number of target side symbols (both T and NT) allowed in a rule. If None, defaults to max_initial_size
+ *             max_target_length=None,             # <<<<<<<<<<<<<<
+ *             # minimum span of a nonterminal in the RHS of a rule in TEST DATA
+ *             unsigned min_gap_size=2,
+ */
+    values[8] = ((PyObject *)Py_None);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":271
+ *             unsigned min_gap_size=2,
+ *             # filename of file containing precomputed collocations
+ *             precompute_file=None,             # <<<<<<<<<<<<<<
+ *             # maximum frequency rank of patterns used to compute triples (don't set higher than 20).
+ *             unsigned precompute_secondary_rank=20,
+ */
+    values[10] = ((PyObject *)Py_None);
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
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+        case 20: values[19] = PyTuple_GET_ITEM(__pyx_args, 19);
+        case 19: values[18] = PyTuple_GET_ITEM(__pyx_args, 18);
+        case 18: values[17] = PyTuple_GET_ITEM(__pyx_args, 17);
+        case 17: values[16] = PyTuple_GET_ITEM(__pyx_args, 16);
+        case 16: values[15] = PyTuple_GET_ITEM(__pyx_args, 15);
+        case 15: values[14] = PyTuple_GET_ITEM(__pyx_args, 14);
+        case 14: values[13] = PyTuple_GET_ITEM(__pyx_args, 13);
+        case 13: values[12] = PyTuple_GET_ITEM(__pyx_args, 12);
+        case 12: values[11] = PyTuple_GET_ITEM(__pyx_args, 11);
+        case 11: values[10] = PyTuple_GET_ITEM(__pyx_args, 10);
+        case 10: values[9] = PyTuple_GET_ITEM(__pyx_args, 9);
+        case  9: values[8] = PyTuple_GET_ITEM(__pyx_args, 8);
+        case  8: values[7] = PyTuple_GET_ITEM(__pyx_args, 7);
+        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
+        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
+        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
+        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
+        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
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+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
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+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__by_slack_factor);
+          if (value) { values[1] = value; kw_args--; }
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+        case  2:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__category);
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+        if (kw_args > 0) {
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+          if (value) { values[3] = value; kw_args--; }
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+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__max_target_chunks);
+          if (value) { values[7] = value; kw_args--; }
+        }
+        case  8:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__max_target_length);
+          if (value) { values[8] = value; kw_args--; }
+        }
+        case  9:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__min_gap_size);
+          if (value) { values[9] = value; kw_args--; }
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+        case 10:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__precompute_file);
+          if (value) { values[10] = value; kw_args--; }
+        }
+        case 11:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_68);
+          if (value) { values[11] = value; kw_args--; }
+        }
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+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__precompute_rank);
+          if (value) { values[12] = value; kw_args--; }
+        }
+        case 13:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_101);
+          if (value) { values[13] = value; kw_args--; }
+        }
+        case 14:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_102);
+          if (value) { values[14] = value; kw_args--; }
+        }
+        case 15:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_69);
+          if (value) { values[15] = value; kw_args--; }
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+        case 16:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__train_min_gap_size);
+          if (value) { values[16] = value; kw_args--; }
+        }
+        case 17:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__tight_phrases);
+          if (value) { values[17] = value; kw_args--; }
+        }
+        case 18:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__use_baeza_yates);
+          if (value) { values[18] = value; kw_args--; }
+        }
+        case 19:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__use_collocations);
+          if (value) { values[19] = value; kw_args--; }
+        }
+        case 20:
+        if (kw_args > 0) {
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__use_index);
+          if (value) { values[20] = value; kw_args--; }
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+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 249; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
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+        case 20: values[19] = PyTuple_GET_ITEM(__pyx_args, 19);
+        case 19: values[18] = PyTuple_GET_ITEM(__pyx_args, 18);
+        case 18: values[17] = PyTuple_GET_ITEM(__pyx_args, 17);
+        case 17: values[16] = PyTuple_GET_ITEM(__pyx_args, 16);
+        case 16: values[15] = PyTuple_GET_ITEM(__pyx_args, 15);
+        case 15: values[14] = PyTuple_GET_ITEM(__pyx_args, 14);
+        case 14: values[13] = PyTuple_GET_ITEM(__pyx_args, 13);
+        case 13: values[12] = PyTuple_GET_ITEM(__pyx_args, 12);
+        case 12: values[11] = PyTuple_GET_ITEM(__pyx_args, 11);
+        case 11: values[10] = PyTuple_GET_ITEM(__pyx_args, 10);
+        case 10: values[9] = PyTuple_GET_ITEM(__pyx_args, 9);
+        case  9: values[8] = PyTuple_GET_ITEM(__pyx_args, 8);
+        case  8: values[7] = PyTuple_GET_ITEM(__pyx_args, 7);
+        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
+        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
+        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
+        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
+        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+    }
+    __pyx_v_alignment = ((struct __pyx_obj_3_sa_Alignment *)values[0]);
+    if (values[1]) {
+      __pyx_v_by_slack_factor = __pyx_PyFloat_AsFloat(values[1]); if (unlikely((__pyx_v_by_slack_factor == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 253; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    } else {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":253
+ *             Alignment alignment,
+ *             # parameter for double-binary search; doesn't seem to matter much
+ *             float by_slack_factor=1.0,             # <<<<<<<<<<<<<<
+ *             # name of generic nonterminal used by Hiero
+ *             char* category="[X]",
+ */
+      __pyx_v_by_slack_factor = ((float)1.0);
+    }
+    if (values[2]) {
+      __pyx_v_category = PyBytes_AsString(values[2]); if (unlikely((!__pyx_v_category) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 255; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    } else {
+      __pyx_v_category = ((char *)__pyx_k_103);
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+    __pyx_v_max_chunks = values[3];
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+      __pyx_v_max_initial_size = __Pyx_PyInt_AsUnsignedInt(values[4]); if (unlikely((__pyx_v_max_initial_size == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 259; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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+      __pyx_v_max_initial_size = ((unsigned int)10);
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+    if (values[5]) {
+      __pyx_v_max_length = __Pyx_PyInt_AsUnsignedInt(values[5]); if (unlikely((__pyx_v_max_length == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 261; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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+      __pyx_v_max_length = ((unsigned int)5);
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+    } else {
+      __pyx_v_max_nonterminals = ((unsigned int)2);
+    }
+    __pyx_v_max_target_chunks = values[7];
+    __pyx_v_max_target_length = values[8];
+    if (values[9]) {
+      __pyx_v_min_gap_size = __Pyx_PyInt_AsUnsignedInt(values[9]); if (unlikely((__pyx_v_min_gap_size == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 269; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    } else {
+      __pyx_v_min_gap_size = ((unsigned int)2);
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+    __pyx_v_precompute_file = values[10];
+    if (values[11]) {
+      __pyx_v_precompute_secondary_rank = __Pyx_PyInt_AsUnsignedInt(values[11]); if (unlikely((__pyx_v_precompute_secondary_rank == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 273; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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+      __pyx_v_precompute_secondary_rank = ((unsigned int)20);
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+    if (values[12]) {
+      __pyx_v_precompute_rank = __Pyx_PyInt_AsUnsignedInt(values[12]); if (unlikely((__pyx_v_precompute_rank == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    } else {
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+    }
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+      __pyx_v_require_aligned_terminal = __Pyx_PyObject_IsTrue(values[13]); if (unlikely((__pyx_v_require_aligned_terminal == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 277; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    } else {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":277
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+ *             # require extracted rules to have at least one aligned word
+ *             bint require_aligned_terminal=True,             # <<<<<<<<<<<<<<
+ *             # require each contiguous chunk of extracted rules to have at least one aligned word
+ *             bint require_aligned_chunks=False,
+ */
+      __pyx_v_require_aligned_terminal = ((int)1);
+    }
+    if (values[14]) {
+      __pyx_v_require_aligned_chunks = __Pyx_PyObject_IsTrue(values[14]); if (unlikely((__pyx_v_require_aligned_chunks == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 279; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    } else {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":279
+ *             bint require_aligned_terminal=True,
+ *             # require each contiguous chunk of extracted rules to have at least one aligned word
+ *             bint require_aligned_chunks=False,             # <<<<<<<<<<<<<<
+ *             # maximum span of a grammar rule extracted from TRAINING DATA
+ *             unsigned train_max_initial_size=10,
+ */
+      __pyx_v_require_aligned_chunks = ((int)0);
+    }
+    if (values[15]) {
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+    } else {
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+    if (values[16]) {
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+    } else {
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+    if (values[17]) {
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+    } else {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":285
+ *             unsigned train_min_gap_size=2,
+ *             # True if phrases should be tight, False otherwise (False == slower but better results)
+ *             bint tight_phrases=False,             # <<<<<<<<<<<<<<
+ *             # True to require use of double-binary alg, false otherwise
+ *             bint use_baeza_yates=True,
+ */
+      __pyx_v_tight_phrases = ((int)0);
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+      __pyx_v_use_baeza_yates = __Pyx_PyObject_IsTrue(values[18]); if (unlikely((__pyx_v_use_baeza_yates == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 287; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    } else {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":287
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+ *             # True to require use of double-binary alg, false otherwise
+ *             bint use_baeza_yates=True,             # <<<<<<<<<<<<<<
+ *             # True to enable used of precomputed collocations
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+    } else {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":289
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+ *             bint use_collocations=True,             # <<<<<<<<<<<<<<
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+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":291
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+  __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_low2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":482
+ *         assign_matching(&loc1, arr1, high1-step1, step1, self.fda.sent_id.arr)
+ *         assign_matching(&loc2, arr2, low2, step2, self.fda.sent_id.arr)
+ *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == -1:             # <<<<<<<<<<<<<<
+ *             return result
+ * 
+ */
+  __pyx_t_3 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == -1);
+  if (__pyx_t_3) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":483
+ *         assign_matching(&loc2, arr2, low2, step2, self.fda.sent_id.arr)
+ *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == -1:
+ *             return result             # <<<<<<<<<<<<<<
+ * 
+ *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)
+ */
+    __pyx_r = __pyx_v_result;
+    goto __pyx_L0;
+    goto __pyx_L5;
+  }
+  __pyx_L5:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":485
+ *             return result
+ * 
+ *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)
+ *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
+ */
+  __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_low1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":486
+ * 
+ *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)
+ *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
+ *             return result
+ */
+  __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, (__pyx_v_high2 - __pyx_v_step2), __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":487
+ *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)
+ *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)
+ *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:             # <<<<<<<<<<<<<<
+ *             return result
+ * 
+ */
+  __pyx_t_3 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == 1);
+  if (__pyx_t_3) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":488
+ *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)
+ *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
+ *             return result             # <<<<<<<<<<<<<<
+ * 
+ *         # Case 3: query set and data set do not meet size mismatch constraints;
+ */
+    __pyx_r = __pyx_v_result;
+    goto __pyx_L0;
+    goto __pyx_L6;
+  }
+  __pyx_L6:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":492
+ *         # Case 3: query set and data set do not meet size mismatch constraints;
+ *         # We use mergesort instead in this case
+ *         qsetsize = (high1-low1) / step1             # <<<<<<<<<<<<<<
+ *         dsetsize = (high2-low2) / step2
+ *         if d_first:
+ */
+  __pyx_t_4 = (__pyx_v_high1 - __pyx_v_low1);
+  if (unlikely(__pyx_v_step1 == 0)) {
+    PyErr_Format(PyExc_ZeroDivisionError, "integer division or modulo by zero");
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 492; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  else if (sizeof(int) == sizeof(long) && unlikely(__pyx_v_step1 == -1) && unlikely(UNARY_NEG_WOULD_OVERFLOW(__pyx_t_4))) {
+    PyErr_Format(PyExc_OverflowError, "value too large to perform division");
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 492; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __pyx_v_qsetsize = __Pyx_div_int(__pyx_t_4, __pyx_v_step1);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":493
+ *         # We use mergesort instead in this case
+ *         qsetsize = (high1-low1) / step1
+ *         dsetsize = (high2-low2) / step2             # <<<<<<<<<<<<<<
+ *         if d_first:
+ *             tmp = qsetsize
+ */
+  __pyx_t_4 = (__pyx_v_high2 - __pyx_v_low2);
+  if (unlikely(__pyx_v_step2 == 0)) {
+    PyErr_Format(PyExc_ZeroDivisionError, "integer division or modulo by zero");
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 493; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  else if (sizeof(int) == sizeof(long) && unlikely(__pyx_v_step2 == -1) && unlikely(UNARY_NEG_WOULD_OVERFLOW(__pyx_t_4))) {
+    PyErr_Format(PyExc_OverflowError, "value too large to perform division");
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 493; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __pyx_v_dsetsize = __Pyx_div_int(__pyx_t_4, __pyx_v_step2);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":494
+ *         qsetsize = (high1-low1) / step1
+ *         dsetsize = (high2-low2) / step2
+ *         if d_first:             # <<<<<<<<<<<<<<
+ *             tmp = qsetsize
+ *             qsetsize = dsetsize
+ */
+  if (__pyx_v_d_first) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":495
+ *         dsetsize = (high2-low2) / step2
+ *         if d_first:
+ *             tmp = qsetsize             # <<<<<<<<<<<<<<
+ *             qsetsize = dsetsize
+ *             dsetsize = tmp
+ */
+    __pyx_v_tmp = __pyx_v_qsetsize;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":496
+ *         if d_first:
+ *             tmp = qsetsize
+ *             qsetsize = dsetsize             # <<<<<<<<<<<<<<
+ *             dsetsize = tmp
+ * 
+ */
+    __pyx_v_qsetsize = __pyx_v_dsetsize;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":497
+ *             tmp = qsetsize
+ *             qsetsize = dsetsize
+ *             dsetsize = tmp             # <<<<<<<<<<<<<<
+ * 
+ *         if self.by_slack_factor * qsetsize * log(dsetsize) / log(2) > dsetsize:
+ */
+    __pyx_v_dsetsize = __pyx_v_tmp;
+    goto __pyx_L7;
+  }
+  __pyx_L7:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":499
+ *             dsetsize = tmp
+ * 
+ *         if self.by_slack_factor * qsetsize * log(dsetsize) / log(2) > dsetsize:             # <<<<<<<<<<<<<<
+ *             free(result)
+ *             return self.merge_helper(low1, high1, arr1, step1, low2, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, result_len)
+ */
+  __pyx_t_5 = ((__pyx_v_self->by_slack_factor * __pyx_v_qsetsize) * log(__pyx_v_dsetsize));
+  __pyx_t_6 = log(2.0);
+  if (unlikely(__pyx_t_6 == 0)) {
+    PyErr_Format(PyExc_ZeroDivisionError, "float division");
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 499; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __pyx_t_3 = ((__pyx_t_5 / __pyx_t_6) > __pyx_v_dsetsize);
+  if (__pyx_t_3) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":500
+ * 
+ *         if self.by_slack_factor * qsetsize * log(dsetsize) / log(2) > dsetsize:
+ *             free(result)             # <<<<<<<<<<<<<<
+ *             return self.merge_helper(low1, high1, arr1, step1, low2, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, result_len)
+ * 
+ */
+    free(__pyx_v_result);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":501
+ *         if self.by_slack_factor * qsetsize * log(dsetsize) / log(2) > dsetsize:
+ *             free(result)
+ *             return self.merge_helper(low1, high1, arr1, step1, low2, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, result_len)             # <<<<<<<<<<<<<<
+ * 
+ *         # binary search.    There are two flavors, depending on
+ */
+    __pyx_r = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->merge_helper(__pyx_v_self, __pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_low2, __pyx_v_high2, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, __pyx_v_result_len);
+    goto __pyx_L0;
+    goto __pyx_L8;
+  }
+  __pyx_L8:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":505
+ *         # binary search.    There are two flavors, depending on
+ *         # whether the queryset or dataset is first
+ *         if d_first:             # <<<<<<<<<<<<<<
+ *             med2 = median(low2, high2, step2)
+ *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
+ */
+  if (__pyx_v_d_first) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":506
+ *         # whether the queryset or dataset is first
+ *         if d_first:
+ *             med2 = median(low2, high2, step2)             # <<<<<<<<<<<<<<
+ *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
+ * 
+ */
+    __pyx_v_med2 = __pyx_f_3_sa_median(__pyx_v_low2, __pyx_v_high2, __pyx_v_step2);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":507
+ *         if d_first:
+ *             med2 = median(low2, high2, step2)
+ *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ * 
+ *             search_low = low1
+ */
+    __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_med2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":509
+ *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
+ * 
+ *             search_low = low1             # <<<<<<<<<<<<<<
+ *             search_high = high1
+ *             while search_low < search_high:
+ */
+    __pyx_v_search_low = __pyx_v_low1;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":510
+ * 
+ *             search_low = low1
+ *             search_high = high1             # <<<<<<<<<<<<<<
+ *             while search_low < search_high:
+ *                 med1 = median(search_low, search_high, step1)
+ */
+    __pyx_v_search_high = __pyx_v_high1;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":511
+ *             search_low = low1
+ *             search_high = high1
+ *             while search_low < search_high:             # <<<<<<<<<<<<<<
+ *                 med1 = median(search_low, search_high, step1)
+ *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
+ */
+    while (1) {
+      __pyx_t_3 = (__pyx_v_search_low < __pyx_v_search_high);
+      if (!__pyx_t_3) break;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":512
+ *             search_high = high1
+ *             while search_low < search_high:
+ *                 med1 = median(search_low, search_high, step1)             # <<<<<<<<<<<<<<
+ *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
+ *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
+ */
+      __pyx_v_med1 = __pyx_f_3_sa_median(__pyx_v_search_low, __pyx_v_search_high, __pyx_v_step1);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":513
+ *             while search_low < search_high:
+ *                 med1 = median(search_low, search_high, step1)
+ *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)             # <<<<<<<<<<<<<<
+ *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
+ *                 if comparison == -1:
+ */
+      __pyx_f_3_sa_find_comparable_matchings(__pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med1, (&__pyx_v_med1_minus), (&__pyx_v_med1_plus));
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":514
+ *                 med1 = median(search_low, search_high, step1)
+ *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
+ *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
+ *                 if comparison == -1:
+ *                     search_low = med1_plus
+ */
+      __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings_set(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":517
+ *                 if comparison == -1:
+ *                     search_low = med1_plus
+ *                 elif comparison == 1:             # <<<<<<<<<<<<<<
+ *                     search_high = med1_minus
+ *                 else:
+ */
+      switch (__pyx_v_comparison) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":515
+ *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
+ *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
+ *                 if comparison == -1:             # <<<<<<<<<<<<<<
+ *                     search_low = med1_plus
+ *                 elif comparison == 1:
+ */
+        case -1:
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":516
+ *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
+ *                 if comparison == -1:
+ *                     search_low = med1_plus             # <<<<<<<<<<<<<<
+ *                 elif comparison == 1:
+ *                     search_high = med1_minus
+ */
+        __pyx_v_search_low = __pyx_v_med1_plus;
+        break;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":517
+ *                 if comparison == -1:
+ *                     search_low = med1_plus
+ *                 elif comparison == 1:             # <<<<<<<<<<<<<<
+ *                     search_high = med1_minus
+ *                 else:
+ */
+        case 1:
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":518
+ *                     search_low = med1_plus
+ *                 elif comparison == 1:
+ *                     search_high = med1_minus             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     break
+ */
+        __pyx_v_search_high = __pyx_v_med1_minus;
+        break;
+        default:
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":520
+ *                     search_high = med1_minus
+ *                 else:
+ *                     break             # <<<<<<<<<<<<<<
+ *         else:
+ *             med1 = median(low1, high1, step1)
+ */
+        goto __pyx_L11_break;
+        break;
+      }
+    }
+    __pyx_L11_break:;
+    goto __pyx_L9;
+  }
+  /*else*/ {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":522
+ *                     break
+ *         else:
+ *             med1 = median(low1, high1, step1)             # <<<<<<<<<<<<<<
+ *             find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
+ * 
+ */
+    __pyx_v_med1 = __pyx_f_3_sa_median(__pyx_v_low1, __pyx_v_high1, __pyx_v_step1);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":523
+ *         else:
+ *             med1 = median(low1, high1, step1)
+ *             find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)             # <<<<<<<<<<<<<<
+ * 
+ *             search_low = low2
+ */
+    __pyx_f_3_sa_find_comparable_matchings(__pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med1, (&__pyx_v_med1_minus), (&__pyx_v_med1_plus));
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":525
+ *             find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
+ * 
+ *             search_low = low2             # <<<<<<<<<<<<<<
+ *             search_high = high2
+ *             while search_low < search_high:
+ */
+    __pyx_v_search_low = __pyx_v_low2;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":526
+ * 
+ *             search_low = low2
+ *             search_high = high2             # <<<<<<<<<<<<<<
+ *             while search_low < search_high:
+ *                 med2 = median(search_low, search_high, step2)
+ */
+    __pyx_v_search_high = __pyx_v_high2;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":527
+ *             search_low = low2
+ *             search_high = high2
+ *             while search_low < search_high:             # <<<<<<<<<<<<<<
+ *                 med2 = median(search_low, search_high, step2)
+ *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
+ */
+    while (1) {
+      __pyx_t_3 = (__pyx_v_search_low < __pyx_v_search_high);
+      if (!__pyx_t_3) break;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":528
+ *             search_high = high2
+ *             while search_low < search_high:
+ *                 med2 = median(search_low, search_high, step2)             # <<<<<<<<<<<<<<
+ *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
+ *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
+ */
+      __pyx_v_med2 = __pyx_f_3_sa_median(__pyx_v_search_low, __pyx_v_search_high, __pyx_v_step2);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":529
+ *             while search_low < search_high:
+ *                 med2 = median(search_low, search_high, step2)
+ *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
+ *                 if comparison == -1:
+ */
+      __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_med2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":530
+ *                 med2 = median(search_low, search_high, step2)
+ *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
+ *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
+ *                 if comparison == -1:
+ *                     search_high = med2
+ */
+      __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings_set(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":533
+ *                 if comparison == -1:
+ *                     search_high = med2
+ *                 elif comparison == 1:             # <<<<<<<<<<<<<<
+ *                     search_low = med2 + step2
+ *                 else:
+ */
+      switch (__pyx_v_comparison) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":531
+ *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
+ *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
+ *                 if comparison == -1:             # <<<<<<<<<<<<<<
+ *                     search_high = med2
+ *                 elif comparison == 1:
+ */
+        case -1:
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":532
+ *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
+ *                 if comparison == -1:
+ *                     search_high = med2             # <<<<<<<<<<<<<<
+ *                 elif comparison == 1:
+ *                     search_low = med2 + step2
+ */
+        __pyx_v_search_high = __pyx_v_med2;
+        break;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":533
+ *                 if comparison == -1:
+ *                     search_high = med2
+ *                 elif comparison == 1:             # <<<<<<<<<<<<<<
+ *                     search_low = med2 + step2
+ *                 else:
+ */
+        case 1:
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":534
+ *                     search_high = med2
+ *                 elif comparison == 1:
+ *                     search_low = med2 + step2             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     break
+ */
+        __pyx_v_search_low = (__pyx_v_med2 + __pyx_v_step2);
+        break;
+        default:
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":536
+ *                     search_low = med2 + step2
+ *                 else:
+ *                     break             # <<<<<<<<<<<<<<
+ * 
+ *         med_result_len = 0
+ */
+        goto __pyx_L13_break;
+        break;
+      }
+    }
+    __pyx_L13_break:;
+  }
+  __pyx_L9:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":538
+ *                     break
+ * 
+ *         med_result_len = 0             # <<<<<<<<<<<<<<
+ *         med_result = <int*> malloc(0*sizeof(int*))
+ *         if search_high > search_low:
+ */
+  __pyx_v_med_result_len = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":539
+ * 
+ *         med_result_len = 0
+ *         med_result = <int*> malloc(0*sizeof(int*))             # <<<<<<<<<<<<<<
+ *         if search_high > search_low:
+ *             # Then there is a match for the median element of Q
+ */
+  __pyx_v_med_result = ((int *)malloc((0 * (sizeof(int *)))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":540
+ *         med_result_len = 0
+ *         med_result = <int*> malloc(0*sizeof(int*))
+ *         if search_high > search_low:             # <<<<<<<<<<<<<<
+ *             # Then there is a match for the median element of Q
+ *             # What we want to find is the group of all bindings in the first set
+ */
+  __pyx_t_3 = (__pyx_v_search_high > __pyx_v_search_low);
+  if (__pyx_t_3) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":546
+ *             # want to store the bindings for all of those elements.    We can
+ *             # subsequently throw all of them away.
+ *             med2_minus = med2             # <<<<<<<<<<<<<<
+ *             med2_plus = med2 + step2
+ *             i1 = med1_minus
+ */
+    __pyx_v_med2_minus = __pyx_v_med2;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":547
+ *             # subsequently throw all of them away.
+ *             med2_minus = med2
+ *             med2_plus = med2 + step2             # <<<<<<<<<<<<<<
+ *             i1 = med1_minus
+ *             while i1 < med1_plus:
+ */
+    __pyx_v_med2_plus = (__pyx_v_med2 + __pyx_v_step2);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":548
+ *             med2_minus = med2
+ *             med2_plus = med2 + step2
+ *             i1 = med1_minus             # <<<<<<<<<<<<<<
+ *             while i1 < med1_plus:
+ *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ */
+    __pyx_v_i1 = __pyx_v_med1_minus;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":549
+ *             med2_plus = med2 + step2
+ *             i1 = med1_minus
+ *             while i1 < med1_plus:             # <<<<<<<<<<<<<<
+ *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ *                 while med2_minus-step2 >= low2:
+ */
+    while (1) {
+      __pyx_t_3 = (__pyx_v_i1 < __pyx_v_med1_plus);
+      if (!__pyx_t_3) break;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":550
+ *             i1 = med1_minus
+ *             while i1 < med1_plus:
+ *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ *                 while med2_minus-step2 >= low2:
+ *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)
+ */
+      __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":551
+ *             while i1 < med1_plus:
+ *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ *                 while med2_minus-step2 >= low2:             # <<<<<<<<<<<<<<
+ *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)
+ *                     if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) < 1:
+ */
+      while (1) {
+        __pyx_t_3 = ((__pyx_v_med2_minus - __pyx_v_step2) >= __pyx_v_low2);
+        if (!__pyx_t_3) break;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":552
+ *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ *                 while med2_minus-step2 >= low2:
+ *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ *                     if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) < 1:
+ *                         med2_minus = med2_minus - step2
+ */
+        __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, (__pyx_v_med2_minus - __pyx_v_step2), __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":553
+ *                 while med2_minus-step2 >= low2:
+ *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)
+ *                     if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) < 1:             # <<<<<<<<<<<<<<
+ *                         med2_minus = med2_minus - step2
+ *                     else:
+ */
+        __pyx_t_3 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) < 1);
+        if (__pyx_t_3) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":554
+ *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)
+ *                     if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) < 1:
+ *                         med2_minus = med2_minus - step2             # <<<<<<<<<<<<<<
+ *                     else:
+ *                         break
+ */
+          __pyx_v_med2_minus = (__pyx_v_med2_minus - __pyx_v_step2);
+          goto __pyx_L19;
+        }
+        /*else*/ {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":556
+ *                         med2_minus = med2_minus - step2
+ *                     else:
+ *                         break             # <<<<<<<<<<<<<<
+ *                 i2 = med2_minus
+ *                 while i2 < high2:
+ */
+          goto __pyx_L18_break;
+        }
+        __pyx_L19:;
+      }
+      __pyx_L18_break:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":557
+ *                     else:
+ *                         break
+ *                 i2 = med2_minus             # <<<<<<<<<<<<<<
+ *                 while i2 < high2:
+ *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
+ */
+      __pyx_v_i2 = __pyx_v_med2_minus;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":558
+ *                         break
+ *                 i2 = med2_minus
+ *                 while i2 < high2:             # <<<<<<<<<<<<<<
+ *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
+ *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
+ */
+      while (1) {
+        __pyx_t_3 = (__pyx_v_i2 < __pyx_v_high2);
+        if (!__pyx_t_3) break;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":559
+ *                 i2 = med2_minus
+ *                 while i2 < high2:
+ *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
+ *                     if comparison == 0:
+ */
+        __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_i2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":560
+ *                 while i2 < high2:
+ *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
+ *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
+ *                     if comparison == 0:
+ *                         pass
+ */
+        __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":561
+ *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
+ *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
+ *                     if comparison == 0:             # <<<<<<<<<<<<<<
+ *                         pass
+ *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)
+ */
+        __pyx_t_3 = (__pyx_v_comparison == 0);
+        if (__pyx_t_3) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":563
+ *                     if comparison == 0:
+ *                         pass
+ *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)             # <<<<<<<<<<<<<<
+ *                     if comparison == -1:
+ *                         break
+ */
+          __pyx_v_med_result = __pyx_f_3_sa_append_combined_matching(__pyx_v_med_result, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_num_subpatterns, (&__pyx_v_med_result_len));
+          goto __pyx_L22;
+        }
+        __pyx_L22:;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":564
+ *                         pass
+ *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)
+ *                     if comparison == -1:             # <<<<<<<<<<<<<<
+ *                         break
+ *                     i2 = i2 + step2
+ */
+        __pyx_t_3 = (__pyx_v_comparison == -1);
+        if (__pyx_t_3) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":565
+ *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)
+ *                     if comparison == -1:
+ *                         break             # <<<<<<<<<<<<<<
+ *                     i2 = i2 + step2
+ *                 if i2 > med2_plus:
+ */
+          goto __pyx_L21_break;
+          goto __pyx_L23;
+        }
+        __pyx_L23:;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":566
+ *                     if comparison == -1:
+ *                         break
+ *                     i2 = i2 + step2             # <<<<<<<<<<<<<<
+ *                 if i2 > med2_plus:
+ *                     med2_plus = i2
+ */
+        __pyx_v_i2 = (__pyx_v_i2 + __pyx_v_step2);
+      }
+      __pyx_L21_break:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":567
+ *                         break
+ *                     i2 = i2 + step2
+ *                 if i2 > med2_plus:             # <<<<<<<<<<<<<<
+ *                     med2_plus = i2
+ *                 i1 = i1 + step1
+ */
+      __pyx_t_3 = (__pyx_v_i2 > __pyx_v_med2_plus);
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":568
+ *                     i2 = i2 + step2
+ *                 if i2 > med2_plus:
+ *                     med2_plus = i2             # <<<<<<<<<<<<<<
+ *                 i1 = i1 + step1
+ * 
+ */
+        __pyx_v_med2_plus = __pyx_v_i2;
+        goto __pyx_L24;
+      }
+      __pyx_L24:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":569
+ *                 if i2 > med2_plus:
+ *                     med2_plus = i2
+ *                 i1 = i1 + step1             # <<<<<<<<<<<<<<
+ * 
+ *             tmp = med1_minus
+ */
+      __pyx_v_i1 = (__pyx_v_i1 + __pyx_v_step1);
+    }
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":571
+ *                 i1 = i1 + step1
+ * 
+ *             tmp = med1_minus             # <<<<<<<<<<<<<<
+ *             med1_minus = med1_plus
+ *             med1_plus = tmp
+ */
+    __pyx_v_tmp = __pyx_v_med1_minus;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":572
+ * 
+ *             tmp = med1_minus
+ *             med1_minus = med1_plus             # <<<<<<<<<<<<<<
+ *             med1_plus = tmp
+ *         else:
+ */
+    __pyx_v_med1_minus = __pyx_v_med1_plus;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":573
+ *             tmp = med1_minus
+ *             med1_minus = med1_plus
+ *             med1_plus = tmp             # <<<<<<<<<<<<<<
+ *         else:
+ *             # No match; need to figure out the point of division in D and Q
+ */
+    __pyx_v_med1_plus = __pyx_v_tmp;
+    goto __pyx_L14;
+  }
+  /*else*/ {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":576
+ *         else:
+ *             # No match; need to figure out the point of division in D and Q
+ *             med2_minus = med2             # <<<<<<<<<<<<<<
+ *             med2_plus = med2
+ *             if d_first:
+ */
+    __pyx_v_med2_minus = __pyx_v_med2;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":577
+ *             # No match; need to figure out the point of division in D and Q
+ *             med2_minus = med2
+ *             med2_plus = med2             # <<<<<<<<<<<<<<
+ *             if d_first:
+ *                 med2_minus = med2_minus + step2
+ */
+    __pyx_v_med2_plus = __pyx_v_med2;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":578
+ *             med2_minus = med2
+ *             med2_plus = med2
+ *             if d_first:             # <<<<<<<<<<<<<<
+ *                 med2_minus = med2_minus + step2
+ *                 if comparison == -1:
+ */
+    if (__pyx_v_d_first) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":579
+ *             med2_plus = med2
+ *             if d_first:
+ *                 med2_minus = med2_minus + step2             # <<<<<<<<<<<<<<
+ *                 if comparison == -1:
+ *                     med1_minus = med1_plus
+ */
+      __pyx_v_med2_minus = (__pyx_v_med2_minus + __pyx_v_step2);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":580
+ *             if d_first:
+ *                 med2_minus = med2_minus + step2
+ *                 if comparison == -1:             # <<<<<<<<<<<<<<
+ *                     med1_minus = med1_plus
+ *                 if comparison == 1:
+ */
+      __pyx_t_3 = (__pyx_v_comparison == -1);
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":581
+ *                 med2_minus = med2_minus + step2
+ *                 if comparison == -1:
+ *                     med1_minus = med1_plus             # <<<<<<<<<<<<<<
+ *                 if comparison == 1:
+ *                     med1_plus = med1_minus
+ */
+        __pyx_v_med1_minus = __pyx_v_med1_plus;
+        goto __pyx_L26;
+      }
+      __pyx_L26:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":582
+ *                 if comparison == -1:
+ *                     med1_minus = med1_plus
+ *                 if comparison == 1:             # <<<<<<<<<<<<<<
+ *                     med1_plus = med1_minus
+ *             else:
+ */
+      __pyx_t_3 = (__pyx_v_comparison == 1);
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":583
+ *                     med1_minus = med1_plus
+ *                 if comparison == 1:
+ *                     med1_plus = med1_minus             # <<<<<<<<<<<<<<
+ *             else:
+ *                 tmp = med1_minus
+ */
+        __pyx_v_med1_plus = __pyx_v_med1_minus;
+        goto __pyx_L27;
+      }
+      __pyx_L27:;
+      goto __pyx_L25;
+    }
+    /*else*/ {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":585
+ *                     med1_plus = med1_minus
+ *             else:
+ *                 tmp = med1_minus             # <<<<<<<<<<<<<<
+ *                 med1_minus = med1_plus
+ *                 med1_plus = tmp
+ */
+      __pyx_v_tmp = __pyx_v_med1_minus;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":586
+ *             else:
+ *                 tmp = med1_minus
+ *                 med1_minus = med1_plus             # <<<<<<<<<<<<<<
+ *                 med1_plus = tmp
+ *                 if comparison == 1:
+ */
+      __pyx_v_med1_minus = __pyx_v_med1_plus;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":587
+ *                 tmp = med1_minus
+ *                 med1_minus = med1_plus
+ *                 med1_plus = tmp             # <<<<<<<<<<<<<<
+ *                 if comparison == 1:
+ *                     med2_minus = med2_minus + step2
+ */
+      __pyx_v_med1_plus = __pyx_v_tmp;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":588
+ *                 med1_minus = med1_plus
+ *                 med1_plus = tmp
+ *                 if comparison == 1:             # <<<<<<<<<<<<<<
+ *                     med2_minus = med2_minus + step2
+ *                     med2_plus = med2_plus + step2
+ */
+      __pyx_t_3 = (__pyx_v_comparison == 1);
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":589
+ *                 med1_plus = tmp
+ *                 if comparison == 1:
+ *                     med2_minus = med2_minus + step2             # <<<<<<<<<<<<<<
+ *                     med2_plus = med2_plus + step2
+ * 
+ */
+        __pyx_v_med2_minus = (__pyx_v_med2_minus + __pyx_v_step2);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":590
+ *                 if comparison == 1:
+ *                     med2_minus = med2_minus + step2
+ *                     med2_plus = med2_plus + step2             # <<<<<<<<<<<<<<
+ * 
+ *         low_result_len = 0
+ */
+        __pyx_v_med2_plus = (__pyx_v_med2_plus + __pyx_v_step2);
+        goto __pyx_L28;
+      }
+      __pyx_L28:;
+    }
+    __pyx_L25:;
+  }
+  __pyx_L14:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":592
+ *                     med2_plus = med2_plus + step2
+ * 
+ *         low_result_len = 0             # <<<<<<<<<<<<<<
+ *         low_result = self.baeza_yates_helper(low1, med1_plus, arr1, step1, low2, med2_plus, arr2, step2, offset_by_one, len_last, num_subpatterns, &low_result_len)
+ *         high_result_len = 0
+ */
+  __pyx_v_low_result_len = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":593
+ * 
+ *         low_result_len = 0
+ *         low_result = self.baeza_yates_helper(low1, med1_plus, arr1, step1, low2, med2_plus, arr2, step2, offset_by_one, len_last, num_subpatterns, &low_result_len)             # <<<<<<<<<<<<<<
+ *         high_result_len = 0
+ *         high_result = self.baeza_yates_helper(med1_minus, high1, arr1, step1, med2_minus, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, &high_result_len)
+ */
+  __pyx_v_low_result = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->baeza_yates_helper(__pyx_v_self, __pyx_v_low1, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, __pyx_v_low2, __pyx_v_med2_plus, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_low_result_len));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":594
+ *         low_result_len = 0
+ *         low_result = self.baeza_yates_helper(low1, med1_plus, arr1, step1, low2, med2_plus, arr2, step2, offset_by_one, len_last, num_subpatterns, &low_result_len)
+ *         high_result_len = 0             # <<<<<<<<<<<<<<
+ *         high_result = self.baeza_yates_helper(med1_minus, high1, arr1, step1, med2_minus, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, &high_result_len)
+ * 
+ */
+  __pyx_v_high_result_len = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":595
+ *         low_result = self.baeza_yates_helper(low1, med1_plus, arr1, step1, low2, med2_plus, arr2, step2, offset_by_one, len_last, num_subpatterns, &low_result_len)
+ *         high_result_len = 0
+ *         high_result = self.baeza_yates_helper(med1_minus, high1, arr1, step1, med2_minus, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, &high_result_len)             # <<<<<<<<<<<<<<
+ * 
+ *         result = extend_arr(result, result_len, low_result, low_result_len)
+ */
+  __pyx_v_high_result = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->baeza_yates_helper(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med2_minus, __pyx_v_high2, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_high_result_len));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":597
+ *         high_result = self.baeza_yates_helper(med1_minus, high1, arr1, step1, med2_minus, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, &high_result_len)
+ * 
+ *         result = extend_arr(result, result_len, low_result, low_result_len)             # <<<<<<<<<<<<<<
+ *         result = extend_arr(result, result_len, med_result, med_result_len)
+ *         result = extend_arr(result, result_len, high_result, high_result_len)
+ */
+  __pyx_v_result = __pyx_f_3_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_low_result, __pyx_v_low_result_len);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":598
+ * 
+ *         result = extend_arr(result, result_len, low_result, low_result_len)
+ *         result = extend_arr(result, result_len, med_result, med_result_len)             # <<<<<<<<<<<<<<
+ *         result = extend_arr(result, result_len, high_result, high_result_len)
+ *         free(low_result)
+ */
+  __pyx_v_result = __pyx_f_3_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_med_result, __pyx_v_med_result_len);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":599
+ *         result = extend_arr(result, result_len, low_result, low_result_len)
+ *         result = extend_arr(result, result_len, med_result, med_result_len)
+ *         result = extend_arr(result, result_len, high_result, high_result_len)             # <<<<<<<<<<<<<<
+ *         free(low_result)
+ *         free(med_result)
+ */
+  __pyx_v_result = __pyx_f_3_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_high_result, __pyx_v_high_result_len);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":600
+ *         result = extend_arr(result, result_len, med_result, med_result_len)
+ *         result = extend_arr(result, result_len, high_result, high_result_len)
+ *         free(low_result)             # <<<<<<<<<<<<<<
+ *         free(med_result)
+ *         free(high_result)
+ */
+  free(__pyx_v_low_result);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":601
+ *         result = extend_arr(result, result_len, high_result, high_result_len)
+ *         free(low_result)
+ *         free(med_result)             # <<<<<<<<<<<<<<
+ *         free(high_result)
+ * 
+ */
+  free(__pyx_v_med_result);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":602
+ *         free(low_result)
+ *         free(med_result)
+ *         free(high_result)             # <<<<<<<<<<<<<<
+ * 
+ *         return result
+ */
+  free(__pyx_v_high_result);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":604
+ *         free(high_result)
+ * 
+ *         return result             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __pyx_r = __pyx_v_result;
+  goto __pyx_L0;
+
+  __pyx_r = 0;
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_WriteUnraisable("_sa.HieroCachingRuleFactory.baeza_yates_helper", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":608
+ * 
+ * 
+ *     cdef long compare_matchings_set(self, int i1_minus, int i1_plus, int* arr1, int step1,             # <<<<<<<<<<<<<<
+ *                             Matching* loc2, int offset_by_one, int len_last):
+ *         """
+ */
+
+static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_i1_minus, int __pyx_v_i1_plus, int *__pyx_v_arr1, int __pyx_v_step1, struct __pyx_t_3_sa_Matching *__pyx_v_loc2, int __pyx_v_offset_by_one, int __pyx_v_len_last) {
+  int __pyx_v_i1;
+  int __pyx_v_comparison;
+  int __pyx_v_prev_comparison;
+  struct __pyx_t_3_sa_Matching __pyx_v_l1_stack;
+  struct __pyx_t_3_sa_Matching *__pyx_v_loc1;
+  long __pyx_r;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("compare_matchings_set", 0);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":619
+ *         cdef Matching* loc1
+ * 
+ *         loc1 = &l1_stack             # <<<<<<<<<<<<<<
+ * 
+ *         i1 = i1_minus
+ */
+  __pyx_v_loc1 = (&__pyx_v_l1_stack);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":621
+ *         loc1 = &l1_stack
+ * 
+ *         i1 = i1_minus             # <<<<<<<<<<<<<<
+ *         while i1 < i1_plus:
+ *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ */
+  __pyx_v_i1 = __pyx_v_i1_minus;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":622
+ * 
+ *         i1 = i1_minus
+ *         while i1 < i1_plus:             # <<<<<<<<<<<<<<
+ *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)
+ */
+  while (1) {
+    __pyx_t_1 = (__pyx_v_i1 < __pyx_v_i1_plus);
+    if (!__pyx_t_1) break;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":623
+ *         i1 = i1_minus
+ *         while i1 < i1_plus:
+ *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)
+ *             if comparison == 0:
+ */
+    __pyx_f_3_sa_assign_matching(__pyx_v_loc1, __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":624
+ *         while i1 < i1_plus:
+ *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
+ *             if comparison == 0:
+ *                 prev_comparison = 0
+ */
+    __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, __pyx_v_loc1, __pyx_v_loc2, __pyx_v_offset_by_one, __pyx_v_len_last);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":625
+ *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)
+ *             if comparison == 0:             # <<<<<<<<<<<<<<
+ *                 prev_comparison = 0
+ *                 break
+ */
+    __pyx_t_1 = (__pyx_v_comparison == 0);
+    if (__pyx_t_1) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":626
+ *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)
+ *             if comparison == 0:
+ *                 prev_comparison = 0             # <<<<<<<<<<<<<<
+ *                 break
+ *             elif i1 == i1_minus:
+ */
+      __pyx_v_prev_comparison = 0;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":627
+ *             if comparison == 0:
+ *                 prev_comparison = 0
+ *                 break             # <<<<<<<<<<<<<<
+ *             elif i1 == i1_minus:
+ *                 prev_comparison = comparison
+ */
+      goto __pyx_L4_break;
+      goto __pyx_L5;
+    }
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":628
+ *                 prev_comparison = 0
+ *                 break
+ *             elif i1 == i1_minus:             # <<<<<<<<<<<<<<
+ *                 prev_comparison = comparison
+ *             else:
+ */
+    __pyx_t_1 = (__pyx_v_i1 == __pyx_v_i1_minus);
+    if (__pyx_t_1) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":629
+ *                 break
+ *             elif i1 == i1_minus:
+ *                 prev_comparison = comparison             # <<<<<<<<<<<<<<
+ *             else:
+ *                 if comparison != prev_comparison:
+ */
+      __pyx_v_prev_comparison = __pyx_v_comparison;
+      goto __pyx_L5;
+    }
+    /*else*/ {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":631
+ *                 prev_comparison = comparison
+ *             else:
+ *                 if comparison != prev_comparison:             # <<<<<<<<<<<<<<
+ *                     prev_comparison = 0
+ *                     break
+ */
+      __pyx_t_1 = (__pyx_v_comparison != __pyx_v_prev_comparison);
+      if (__pyx_t_1) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":632
+ *             else:
+ *                 if comparison != prev_comparison:
+ *                     prev_comparison = 0             # <<<<<<<<<<<<<<
+ *                     break
+ *             i1 = i1 + step1
+ */
+        __pyx_v_prev_comparison = 0;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":633
+ *                 if comparison != prev_comparison:
+ *                     prev_comparison = 0
+ *                     break             # <<<<<<<<<<<<<<
+ *             i1 = i1 + step1
+ *         return prev_comparison
+ */
+        goto __pyx_L4_break;
+        goto __pyx_L6;
+      }
+      __pyx_L6:;
+    }
+    __pyx_L5:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":634
+ *                     prev_comparison = 0
+ *                     break
+ *             i1 = i1 + step1             # <<<<<<<<<<<<<<
+ *         return prev_comparison
+ * 
+ */
+    __pyx_v_i1 = (__pyx_v_i1 + __pyx_v_step1);
+  }
+  __pyx_L4_break:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":635
+ *                     break
+ *             i1 = i1 + step1
+ *         return prev_comparison             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __pyx_r = __pyx_v_prev_comparison;
+  goto __pyx_L0;
+
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":638
+ * 
+ * 
+ *     cdef long compare_matchings(self, Matching* loc1, Matching* loc2, int offset_by_one, int len_last):             # <<<<<<<<<<<<<<
+ *         cdef int i
+ * 
+ */
+
+static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_t_3_sa_Matching *__pyx_v_loc1, struct __pyx_t_3_sa_Matching *__pyx_v_loc2, int __pyx_v_offset_by_one, int __pyx_v_len_last) {
+  int __pyx_v_i;
+  long __pyx_r;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  int __pyx_t_2;
+  int __pyx_t_3;
+  int __pyx_t_4;
+  __Pyx_RefNannySetupContext("compare_matchings", 0);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":641
+ *         cdef int i
+ * 
+ *         if loc1.sent_id > loc2.sent_id:             # <<<<<<<<<<<<<<
+ *             return 1
+ *         if loc2.sent_id > loc1.sent_id:
+ */
+  __pyx_t_1 = (__pyx_v_loc1->sent_id > __pyx_v_loc2->sent_id);
+  if (__pyx_t_1) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":642
+ * 
+ *         if loc1.sent_id > loc2.sent_id:
+ *             return 1             # <<<<<<<<<<<<<<
+ *         if loc2.sent_id > loc1.sent_id:
+ *             return -1
+ */
+    __pyx_r = 1;
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":643
+ *         if loc1.sent_id > loc2.sent_id:
+ *             return 1
+ *         if loc2.sent_id > loc1.sent_id:             # <<<<<<<<<<<<<<
+ *             return -1
+ * 
+ */
+  __pyx_t_1 = (__pyx_v_loc2->sent_id > __pyx_v_loc1->sent_id);
+  if (__pyx_t_1) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":644
+ *             return 1
+ *         if loc2.sent_id > loc1.sent_id:
+ *             return -1             # <<<<<<<<<<<<<<
+ * 
+ *         if loc1.size == 1 and loc2.size == 1:
+ */
+    __pyx_r = -1;
+    goto __pyx_L0;
+    goto __pyx_L4;
+  }
+  __pyx_L4:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":646
+ *             return -1
+ * 
+ *         if loc1.size == 1 and loc2.size == 1:             # <<<<<<<<<<<<<<
+ *             if loc2.arr[loc2.start] - loc1.arr[loc1.start] <= self.train_min_gap_size:
+ *                 return 1
+ */
+  __pyx_t_1 = (__pyx_v_loc1->size == 1);
+  if (__pyx_t_1) {
+    __pyx_t_2 = (__pyx_v_loc2->size == 1);
+    __pyx_t_3 = __pyx_t_2;
+  } else {
+    __pyx_t_3 = __pyx_t_1;
+  }
+  if (__pyx_t_3) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":647
+ * 
+ *         if loc1.size == 1 and loc2.size == 1:
+ *             if loc2.arr[loc2.start] - loc1.arr[loc1.start] <= self.train_min_gap_size:             # <<<<<<<<<<<<<<
+ *                 return 1
+ * 
+ */
+    __pyx_t_3 = (((__pyx_v_loc2->arr[__pyx_v_loc2->start]) - (__pyx_v_loc1->arr[__pyx_v_loc1->start])) <= __pyx_v_self->train_min_gap_size);
+    if (__pyx_t_3) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":648
+ *         if loc1.size == 1 and loc2.size == 1:
+ *             if loc2.arr[loc2.start] - loc1.arr[loc1.start] <= self.train_min_gap_size:
+ *                 return 1             # <<<<<<<<<<<<<<
+ * 
+ *         elif offset_by_one:
+ */
+      __pyx_r = 1;
+      goto __pyx_L0;
+      goto __pyx_L6;
+    }
+    __pyx_L6:;
+    goto __pyx_L5;
+  }
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":650
+ *                 return 1
+ * 
+ *         elif offset_by_one:             # <<<<<<<<<<<<<<
+ *             for i from 1 <= i < loc1.size:
+ *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:
+ */
+  if (__pyx_v_offset_by_one) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":651
+ * 
+ *         elif offset_by_one:
+ *             for i from 1 <= i < loc1.size:             # <<<<<<<<<<<<<<
+ *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:
+ *                     return 1
+ */
+    __pyx_t_4 = __pyx_v_loc1->size;
+    for (__pyx_v_i = 1; __pyx_v_i < __pyx_t_4; __pyx_v_i++) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":652
+ *         elif offset_by_one:
+ *             for i from 1 <= i < loc1.size:
+ *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:             # <<<<<<<<<<<<<<
+ *                     return 1
+ *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i-1]:
+ */
+      __pyx_t_3 = ((__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]) > (__pyx_v_loc2->arr[((__pyx_v_loc2->start + __pyx_v_i) - 1)]));
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":653
+ *             for i from 1 <= i < loc1.size:
+ *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:
+ *                     return 1             # <<<<<<<<<<<<<<
+ *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i-1]:
+ *                     return -1
+ */
+        __pyx_r = 1;
+        goto __pyx_L0;
+        goto __pyx_L9;
+      }
+      __pyx_L9:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":654
+ *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:
+ *                     return 1
+ *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i-1]:             # <<<<<<<<<<<<<<
+ *                     return -1
+ * 
+ */
+      __pyx_t_3 = ((__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]) < (__pyx_v_loc2->arr[((__pyx_v_loc2->start + __pyx_v_i) - 1)]));
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":655
+ *                     return 1
+ *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i-1]:
+ *                     return -1             # <<<<<<<<<<<<<<
+ * 
+ *         else:
+ */
+        __pyx_r = -1;
+        goto __pyx_L0;
+        goto __pyx_L10;
+      }
+      __pyx_L10:;
+    }
+    goto __pyx_L5;
+  }
+  /*else*/ {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":658
+ * 
+ *         else:
+ *             if loc1.arr[loc1.start]+1 > loc2.arr[loc2.start]:             # <<<<<<<<<<<<<<
+ *                 return 1
+ *             if loc1.arr[loc1.start]+1 < loc2.arr[loc2.start]:
+ */
+    __pyx_t_3 = (((__pyx_v_loc1->arr[__pyx_v_loc1->start]) + 1) > (__pyx_v_loc2->arr[__pyx_v_loc2->start]));
+    if (__pyx_t_3) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":659
+ *         else:
+ *             if loc1.arr[loc1.start]+1 > loc2.arr[loc2.start]:
+ *                 return 1             # <<<<<<<<<<<<<<
+ *             if loc1.arr[loc1.start]+1 < loc2.arr[loc2.start]:
+ *                 return -1
+ */
+      __pyx_r = 1;
+      goto __pyx_L0;
+      goto __pyx_L11;
+    }
+    __pyx_L11:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":660
+ *             if loc1.arr[loc1.start]+1 > loc2.arr[loc2.start]:
+ *                 return 1
+ *             if loc1.arr[loc1.start]+1 < loc2.arr[loc2.start]:             # <<<<<<<<<<<<<<
+ *                 return -1
+ * 
+ */
+    __pyx_t_3 = (((__pyx_v_loc1->arr[__pyx_v_loc1->start]) + 1) < (__pyx_v_loc2->arr[__pyx_v_loc2->start]));
+    if (__pyx_t_3) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":661
+ *                 return 1
+ *             if loc1.arr[loc1.start]+1 < loc2.arr[loc2.start]:
+ *                 return -1             # <<<<<<<<<<<<<<
+ * 
+ *             for i from 1 <= i < loc1.size:
+ */
+      __pyx_r = -1;
+      goto __pyx_L0;
+      goto __pyx_L12;
+    }
+    __pyx_L12:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":663
+ *                 return -1
+ * 
+ *             for i from 1 <= i < loc1.size:             # <<<<<<<<<<<<<<
+ *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:
+ *                     return 1
+ */
+    __pyx_t_4 = __pyx_v_loc1->size;
+    for (__pyx_v_i = 1; __pyx_v_i < __pyx_t_4; __pyx_v_i++) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":664
+ * 
+ *             for i from 1 <= i < loc1.size:
+ *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:             # <<<<<<<<<<<<<<
+ *                     return 1
+ *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i]:
+ */
+      __pyx_t_3 = ((__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]) > (__pyx_v_loc2->arr[(__pyx_v_loc2->start + __pyx_v_i)]));
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":665
+ *             for i from 1 <= i < loc1.size:
+ *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:
+ *                     return 1             # <<<<<<<<<<<<<<
+ *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i]:
+ *                     return -1
+ */
+        __pyx_r = 1;
+        goto __pyx_L0;
+        goto __pyx_L15;
+      }
+      __pyx_L15:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":666
+ *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:
+ *                     return 1
+ *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i]:             # <<<<<<<<<<<<<<
+ *                     return -1
+ * 
+ */
+      __pyx_t_3 = ((__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]) < (__pyx_v_loc2->arr[(__pyx_v_loc2->start + __pyx_v_i)]));
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":667
+ *                     return 1
+ *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i]:
+ *                     return -1             # <<<<<<<<<<<<<<
+ * 
+ *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:
+ */
+        __pyx_r = -1;
+        goto __pyx_L0;
+        goto __pyx_L16;
+      }
+      __pyx_L16:;
+    }
+  }
+  __pyx_L5:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":669
+ *                     return -1
+ * 
+ *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:             # <<<<<<<<<<<<<<
+ *             return -1
+ *         return 0
+ */
+  __pyx_t_3 = ((((__pyx_v_loc2->arr[(__pyx_v_loc2->end - 1)]) + __pyx_v_len_last) - (__pyx_v_loc1->arr[__pyx_v_loc1->start])) > __pyx_v_self->train_max_initial_size);
+  if (__pyx_t_3) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":670
+ * 
+ *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:
+ *             return -1             # <<<<<<<<<<<<<<
+ *         return 0
+ * 
+ */
+    __pyx_r = -1;
+    goto __pyx_L0;
+    goto __pyx_L17;
+  }
+  __pyx_L17:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":671
+ *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:
+ *             return -1
+ *         return 0             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __pyx_r = 0;
+  goto __pyx_L0;
+
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":674
+ * 
+ * 
+ *     cdef int* merge_helper(self, int low1, int high1, int* arr1, int step1,             # <<<<<<<<<<<<<<
+ *                     int low2, int high2, int* arr2, int step2,
+ *                     int offset_by_one, int len_last, int num_subpatterns, int* result_len):
+ */
+
+static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_low1, int __pyx_v_high1, int *__pyx_v_arr1, int __pyx_v_step1, int __pyx_v_low2, int __pyx_v_high2, int *__pyx_v_arr2, int __pyx_v_step2, int __pyx_v_offset_by_one, int __pyx_v_len_last, int __pyx_v_num_subpatterns, int *__pyx_v_result_len) {
+  int __pyx_v_i1;
+  int __pyx_v_i2;
+  int __pyx_v_j1;
+  int __pyx_v_j2;
+  long __pyx_v_comparison;
+  int *__pyx_v_result;
+  struct __pyx_t_3_sa_Matching __pyx_v_loc1;
+  struct __pyx_t_3_sa_Matching __pyx_v_loc2;
+  int *__pyx_r;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  int __pyx_t_2;
+  int __pyx_t_3;
+  __Pyx_RefNannySetupContext("merge_helper", 0);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":682
+ *         cdef Matching loc1, loc2
+ * 
+ *         result_len[0] = 0             # <<<<<<<<<<<<<<
+ *         result = <int*> malloc(0*sizeof(int))
+ * 
+ */
+  (__pyx_v_result_len[0]) = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":683
+ * 
+ *         result_len[0] = 0
+ *         result = <int*> malloc(0*sizeof(int))             # <<<<<<<<<<<<<<
+ * 
+ *         i1 = low1
+ */
+  __pyx_v_result = ((int *)malloc((0 * (sizeof(int)))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":685
+ *         result = <int*> malloc(0*sizeof(int))
+ * 
+ *         i1 = low1             # <<<<<<<<<<<<<<
+ *         i2 = low2
+ *         while i1 < high1 and i2 < high2:
+ */
+  __pyx_v_i1 = __pyx_v_low1;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":686
+ * 
+ *         i1 = low1
+ *         i2 = low2             # <<<<<<<<<<<<<<
+ *         while i1 < high1 and i2 < high2:
+ * 
+ */
+  __pyx_v_i2 = __pyx_v_low2;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":687
+ *         i1 = low1
+ *         i2 = low2
+ *         while i1 < high1 and i2 < high2:             # <<<<<<<<<<<<<<
+ * 
+ *             # First, pop all unneeded loc2's off the stack
+ */
+  while (1) {
+    __pyx_t_1 = (__pyx_v_i1 < __pyx_v_high1);
+    if (__pyx_t_1) {
+      __pyx_t_2 = (__pyx_v_i2 < __pyx_v_high2);
+      __pyx_t_3 = __pyx_t_2;
+    } else {
+      __pyx_t_3 = __pyx_t_1;
+    }
+    if (!__pyx_t_3) break;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":690
+ * 
+ *             # First, pop all unneeded loc2's off the stack
+ *             assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ *             while i2 < high2:
+ *                 assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
+ */
+    __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":691
+ *             # First, pop all unneeded loc2's off the stack
+ *             assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ *             while i2 < high2:             # <<<<<<<<<<<<<<
+ *                 assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
+ *                 if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
+ */
+    while (1) {
+      __pyx_t_3 = (__pyx_v_i2 < __pyx_v_high2);
+      if (!__pyx_t_3) break;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":692
+ *             assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ *             while i2 < high2:
+ *                 assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ *                 if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
+ *                     i2 = i2 + step2
+ */
+      __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_i2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":693
+ *             while i2 < high2:
+ *                 assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
+ *                 if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:             # <<<<<<<<<<<<<<
+ *                     i2 = i2 + step2
+ *                 else:
+ */
+      __pyx_t_3 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == 1);
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":694
+ *                 assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
+ *                 if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
+ *                     i2 = i2 + step2             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     break
+ */
+        __pyx_v_i2 = (__pyx_v_i2 + __pyx_v_step2);
+        goto __pyx_L7;
+      }
+      /*else*/ {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":696
+ *                     i2 = i2 + step2
+ *                 else:
+ *                     break             # <<<<<<<<<<<<<<
+ * 
+ *             # Next: process all loc1's with the same starting val
+ */
+        goto __pyx_L6_break;
+      }
+      __pyx_L7:;
+    }
+    __pyx_L6_break:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":699
+ * 
+ *             # Next: process all loc1's with the same starting val
+ *             j1 = i1             # <<<<<<<<<<<<<<
+ *             while i1 < high1 and arr1[j1] == arr1[i1]:
+ *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ */
+    __pyx_v_j1 = __pyx_v_i1;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":700
+ *             # Next: process all loc1's with the same starting val
+ *             j1 = i1
+ *             while i1 < high1 and arr1[j1] == arr1[i1]:             # <<<<<<<<<<<<<<
+ *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ *                 j2 = i2
+ */
+    while (1) {
+      __pyx_t_3 = (__pyx_v_i1 < __pyx_v_high1);
+      if (__pyx_t_3) {
+        __pyx_t_1 = ((__pyx_v_arr1[__pyx_v_j1]) == (__pyx_v_arr1[__pyx_v_i1]));
+        __pyx_t_2 = __pyx_t_1;
+      } else {
+        __pyx_t_2 = __pyx_t_3;
+      }
+      if (!__pyx_t_2) break;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":701
+ *             j1 = i1
+ *             while i1 < high1 and arr1[j1] == arr1[i1]:
+ *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ *                 j2 = i2
+ *                 while j2 < high2:
+ */
+      __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":702
+ *             while i1 < high1 and arr1[j1] == arr1[i1]:
+ *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ *                 j2 = i2             # <<<<<<<<<<<<<<
+ *                 while j2 < high2:
+ *                     assign_matching(&loc2, arr2, j2, step2, self.fda.sent_id.arr)
+ */
+      __pyx_v_j2 = __pyx_v_i2;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":703
+ *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
+ *                 j2 = i2
+ *                 while j2 < high2:             # <<<<<<<<<<<<<<
+ *                     assign_matching(&loc2, arr2, j2, step2, self.fda.sent_id.arr)
+ *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
+ */
+      while (1) {
+        __pyx_t_2 = (__pyx_v_j2 < __pyx_v_high2);
+        if (!__pyx_t_2) break;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":704
+ *                 j2 = i2
+ *                 while j2 < high2:
+ *                     assign_matching(&loc2, arr2, j2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
+ *                     if comparison == 0:
+ */
+        __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_j2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":705
+ *                 while j2 < high2:
+ *                     assign_matching(&loc2, arr2, j2, step2, self.fda.sent_id.arr)
+ *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
+ *                     if comparison == 0:
+ *                         result = append_combined_matching(result, &loc1, &loc2, offset_by_one, num_subpatterns, result_len)
+ */
+        __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":706
+ *                     assign_matching(&loc2, arr2, j2, step2, self.fda.sent_id.arr)
+ *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
+ *                     if comparison == 0:             # <<<<<<<<<<<<<<
+ *                         result = append_combined_matching(result, &loc1, &loc2, offset_by_one, num_subpatterns, result_len)
+ *                     if comparison == 1:
+ */
+        __pyx_t_2 = (__pyx_v_comparison == 0);
+        if (__pyx_t_2) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":707
+ *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
+ *                     if comparison == 0:
+ *                         result = append_combined_matching(result, &loc1, &loc2, offset_by_one, num_subpatterns, result_len)             # <<<<<<<<<<<<<<
+ *                     if comparison == 1:
+ *                         pass
+ */
+          __pyx_v_result = __pyx_f_3_sa_append_combined_matching(__pyx_v_result, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_num_subpatterns, __pyx_v_result_len);
+          goto __pyx_L12;
+        }
+        __pyx_L12:;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":708
+ *                     if comparison == 0:
+ *                         result = append_combined_matching(result, &loc1, &loc2, offset_by_one, num_subpatterns, result_len)
+ *                     if comparison == 1:             # <<<<<<<<<<<<<<
+ *                         pass
+ *                     if comparison == -1:
+ */
+        __pyx_t_2 = (__pyx_v_comparison == 1);
+        if (__pyx_t_2) {
+          goto __pyx_L13;
+        }
+        __pyx_L13:;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":710
+ *                     if comparison == 1:
+ *                         pass
+ *                     if comparison == -1:             # <<<<<<<<<<<<<<
+ *                         break
+ *                     else:
+ */
+        __pyx_t_2 = (__pyx_v_comparison == -1);
+        if (__pyx_t_2) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":711
+ *                         pass
+ *                     if comparison == -1:
+ *                         break             # <<<<<<<<<<<<<<
+ *                     else:
+ *                         j2 = j2 + step2
+ */
+          goto __pyx_L11_break;
+          goto __pyx_L14;
+        }
+        /*else*/ {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":713
+ *                         break
+ *                     else:
+ *                         j2 = j2 + step2             # <<<<<<<<<<<<<<
+ *                 i1 = i1 + step1
+ *         return result
+ */
+          __pyx_v_j2 = (__pyx_v_j2 + __pyx_v_step2);
+        }
+        __pyx_L14:;
+      }
+      __pyx_L11_break:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":714
+ *                     else:
+ *                         j2 = j2 + step2
+ *                 i1 = i1 + step1             # <<<<<<<<<<<<<<
+ *         return result
+ * 
+ */
+      __pyx_v_i1 = (__pyx_v_i1 + __pyx_v_step1);
+    }
+  }
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":715
+ *                         j2 = j2 + step2
+ *                 i1 = i1 + step1
+ *         return result             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __pyx_r = __pyx_v_result;
+  goto __pyx_L0;
+
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":718
+ * 
+ * 
+ *     cdef void sort_phrase_loc(self, IntList arr, PhraseLocation loc, Phrase phrase):             # <<<<<<<<<<<<<<
+ *         cdef int i, j
+ *         cdef VEB veb
+ */
+
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+    __pyx_r = 0;
+    goto __pyx_L0;
+    goto __pyx_L6;
+  }
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1163
+ *         if e_high[0] - e_low[0] > max_e_len:
+ *             return 0
+ *         elif e_in_high != -1 and e_high[0] != e_in_high:             # <<<<<<<<<<<<<<
+ *             if e_high[0] - e_in_high < min_ex_size:
+ *                 e_high[0] = e_in_high + min_ex_size
+ */
+  __pyx_t_5 = (__pyx_v_e_in_high != -1);
+  if (__pyx_t_5) {
+    __pyx_t_3 = ((__pyx_v_e_high[0]) != __pyx_v_e_in_high);
+    __pyx_t_4 = __pyx_t_3;
+  } else {
+    __pyx_t_4 = __pyx_t_5;
+  }
+  if (__pyx_t_4) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1164
+ *             return 0
+ *         elif e_in_high != -1 and e_high[0] != e_in_high:
+ *             if e_high[0] - e_in_high < min_ex_size:             # <<<<<<<<<<<<<<
+ *                 e_high[0] = e_in_high + min_ex_size
+ *                 if e_high[0] > e_sent_len:
+ */
+    __pyx_t_4 = (((__pyx_v_e_high[0]) - __pyx_v_e_in_high) < __pyx_v_min_ex_size);
+    if (__pyx_t_4) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1165
+ *         elif e_in_high != -1 and e_high[0] != e_in_high:
+ *             if e_high[0] - e_in_high < min_ex_size:
+ *                 e_high[0] = e_in_high + min_ex_size             # <<<<<<<<<<<<<<
+ *                 if e_high[0] > e_sent_len:
+ *                     return 0
+ */
+      (__pyx_v_e_high[0]) = (__pyx_v_e_in_high + __pyx_v_min_ex_size);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1166
+ *             if e_high[0] - e_in_high < min_ex_size:
+ *                 e_high[0] = e_in_high + min_ex_size
+ *                 if e_high[0] > e_sent_len:             # <<<<<<<<<<<<<<
+ *                     return 0
+ * 
+ */
+      __pyx_t_4 = ((__pyx_v_e_high[0]) > __pyx_v_e_sent_len);
+      if (__pyx_t_4) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1167
+ *                 e_high[0] = e_in_high + min_ex_size
+ *                 if e_high[0] > e_sent_len:
+ *                     return 0             # <<<<<<<<<<<<<<
+ * 
+ *         f_back_low[0] = -1
+ */
+        __pyx_r = 0;
+        goto __pyx_L0;
+        goto __pyx_L8;
+      }
+      __pyx_L8:;
+      goto __pyx_L7;
+    }
+    __pyx_L7:;
+    goto __pyx_L6;
+  }
+  __pyx_L6:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1169
+ *                     return 0
+ * 
+ *         f_back_low[0] = -1             # <<<<<<<<<<<<<<
+ *         f_back_high[0] = -1
+ *         f_low_prev = f_low
+ */
+  (__pyx_v_f_back_low[0]) = -1;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1170
+ * 
+ *         f_back_low[0] = -1
+ *         f_back_high[0] = -1             # <<<<<<<<<<<<<<
+ *         f_low_prev = f_low
+ *         f_high_prev = f_high
+ */
+  (__pyx_v_f_back_high[0]) = -1;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1171
+ *         f_back_low[0] = -1
+ *         f_back_high[0] = -1
+ *         f_low_prev = f_low             # <<<<<<<<<<<<<<
+ *         f_high_prev = f_high
+ *         new_x = 0
+ */
+  __pyx_v_f_low_prev = __pyx_v_f_low;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1172
+ *         f_back_high[0] = -1
+ *         f_low_prev = f_low
+ *         f_high_prev = f_high             # <<<<<<<<<<<<<<
+ *         new_x = 0
+ *         new_low_x = 0
+ */
+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_v_f_high_prev = __pyx_t_1;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1173
+ *         f_low_prev = f_low
+ *         f_high_prev = f_high
+ *         new_x = 0             # <<<<<<<<<<<<<<
+ *         new_low_x = 0
+ *         new_high_x = 0
+ */
+  __pyx_v_new_x = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1174
+ *         f_high_prev = f_high
+ *         new_x = 0
+ *         new_low_x = 0             # <<<<<<<<<<<<<<
+ *         new_high_x = 0
+ * 
+ */
+  __pyx_v_new_low_x = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1175
+ *         new_x = 0
+ *         new_low_x = 0
+ *         new_high_x = 0             # <<<<<<<<<<<<<<
+ * 
+ *         while True:
+ */
+  __pyx_v_new_high_x = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1177
+ *         new_high_x = 0
+ * 
+ *         while True:             # <<<<<<<<<<<<<<
+ * 
+ *             if f_back_low[0] == -1:
+ */
+  while (1) {
+    if (!1) break;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1179
+ *         while True:
+ * 
+ *             if f_back_low[0] == -1:             # <<<<<<<<<<<<<<
+ *                 self.find_projection(e_low[0], e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)
+ *             else:
+ */
+    __pyx_t_4 = ((__pyx_v_f_back_low[0]) == -1);
+    if (__pyx_t_4) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1180
+ * 
+ *             if f_back_low[0] == -1:
+ *                 self.find_projection(e_low[0], e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)             # <<<<<<<<<<<<<<
+ *             else:
+ *                 self.find_projection(e_low[0], e_low_prev, e_links_low, e_links_high, f_back_low, f_back_high)
+ */
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_e_low[0]), (__pyx_v_e_high[0]), __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1180; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      goto __pyx_L11;
+    }
+    /*else*/ {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1182
+ *                 self.find_projection(e_low[0], e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)
+ *             else:
+ *                 self.find_projection(e_low[0], e_low_prev, e_links_low, e_links_high, f_back_low, f_back_high)             # <<<<<<<<<<<<<<
+ *                 self.find_projection(e_high_prev, e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)
+ * 
+ */
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_e_low[0]), __pyx_v_e_low_prev, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1183
+ *             else:
+ *                 self.find_projection(e_low[0], e_low_prev, e_links_low, e_links_high, f_back_low, f_back_high)
+ *                 self.find_projection(e_high_prev, e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)             # <<<<<<<<<<<<<<
+ * 
+ *             if f_back_low[0] > f_low:
+ */
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_e_high_prev, (__pyx_v_e_high[0]), __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1183; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    }
+    __pyx_L11:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1185
+ *                 self.find_projection(e_high_prev, e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)
+ * 
+ *             if f_back_low[0] > f_low:             # <<<<<<<<<<<<<<
+ *                 f_back_low[0] = f_low
+ * 
+ */
+    __pyx_t_4 = ((__pyx_v_f_back_low[0]) > __pyx_v_f_low);
+    if (__pyx_t_4) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1186
+ * 
+ *             if f_back_low[0] > f_low:
+ *                 f_back_low[0] = f_low             # <<<<<<<<<<<<<<
+ * 
+ *             if f_back_high[0] < f_high:
+ */
+      (__pyx_v_f_back_low[0]) = __pyx_v_f_low;
+      goto __pyx_L12;
+    }
+    __pyx_L12:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1188
+ *                 f_back_low[0] = f_low
+ * 
+ *             if f_back_high[0] < f_high:             # <<<<<<<<<<<<<<
+ *                 f_back_high[0] = f_high
+ * 
+ */
+    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_6 = PyObject_RichCompare(__pyx_t_2, __pyx_v_f_high, Py_LT); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    if (__pyx_t_4) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1189
+ * 
+ *             if f_back_high[0] < f_high:
+ *                 f_back_high[0] = f_high             # <<<<<<<<<<<<<<
+ * 
+ *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:
+ */
+      __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      (__pyx_v_f_back_high[0]) = __pyx_t_1;
+      goto __pyx_L13;
+    }
+    __pyx_L13:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1191
+ *                 f_back_high[0] = f_high
+ * 
+ *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:             # <<<<<<<<<<<<<<
+ *                 return 1
+ * 
+ */
+    __pyx_t_4 = ((__pyx_v_f_back_low[0]) == __pyx_v_f_low_prev);
+    if (__pyx_t_4) {
+      __pyx_t_5 = ((__pyx_v_f_back_high[0]) == __pyx_v_f_high_prev);
+      __pyx_t_3 = __pyx_t_5;
+    } else {
+      __pyx_t_3 = __pyx_t_4;
+    }
+    if (__pyx_t_3) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1192
+ * 
+ *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:
+ *                 return 1             # <<<<<<<<<<<<<<
+ * 
+ *             if allow_low_x == 0 and f_back_low[0] < f_low:
+ */
+      __pyx_r = 1;
+      goto __pyx_L0;
+      goto __pyx_L14;
+    }
+    __pyx_L14:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1194
+ *                 return 1
+ * 
+ *             if allow_low_x == 0 and f_back_low[0] < f_low:             # <<<<<<<<<<<<<<
+ *                 # FAIL: f phrase is not tight
+ *                 return 0
+ */
+    __pyx_t_3 = (__pyx_v_allow_low_x == 0);
+    if (__pyx_t_3) {
+      __pyx_t_4 = ((__pyx_v_f_back_low[0]) < __pyx_v_f_low);
+      __pyx_t_5 = __pyx_t_4;
+    } else {
+      __pyx_t_5 = __pyx_t_3;
+    }
+    if (__pyx_t_5) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1196
+ *             if allow_low_x == 0 and f_back_low[0] < f_low:
+ *                 # FAIL: f phrase is not tight
+ *                 return 0             # <<<<<<<<<<<<<<
+ * 
+ *             if f_back_high[0] - f_back_low[0] > max_f_len:
+ */
+      __pyx_r = 0;
+      goto __pyx_L0;
+      goto __pyx_L15;
+    }
+    __pyx_L15:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1198
+ *                 return 0
+ * 
+ *             if f_back_high[0] - f_back_low[0] > max_f_len:             # <<<<<<<<<<<<<<
+ *                 # FAIL: f back projection is too wide
+ *                 return 0
+ */
+    __pyx_t_5 = (((__pyx_v_f_back_high[0]) - (__pyx_v_f_back_low[0])) > __pyx_v_max_f_len);
+    if (__pyx_t_5) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1200
+ *             if f_back_high[0] - f_back_low[0] > max_f_len:
+ *                 # FAIL: f back projection is too wide
+ *                 return 0             # <<<<<<<<<<<<<<
+ * 
+ *             if allow_high_x == 0 and f_back_high[0] > f_high:
+ */
+      __pyx_r = 0;
+      goto __pyx_L0;
+      goto __pyx_L16;
+    }
+    __pyx_L16:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1202
+ *                 return 0
+ * 
+ *             if allow_high_x == 0 and f_back_high[0] > f_high:             # <<<<<<<<<<<<<<
+ *                 # FAIL: extension on high side not allowed
+ *                 return 0
+ */
+    __pyx_t_5 = (__pyx_v_allow_high_x == 0);
+    if (__pyx_t_5) {
+      __pyx_t_6 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1202; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_6);
+      __pyx_t_2 = PyObject_RichCompare(__pyx_t_6, __pyx_v_f_high, Py_GT); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1202; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+      __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1202; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_4 = __pyx_t_3;
+    } else {
+      __pyx_t_4 = __pyx_t_5;
+    }
+    if (__pyx_t_4) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1204
+ *             if allow_high_x == 0 and f_back_high[0] > f_high:
+ *                 # FAIL: extension on high side not allowed
+ *                 return 0             # <<<<<<<<<<<<<<
+ * 
+ *             if f_low != f_back_low[0]:
+ */
+      __pyx_r = 0;
+      goto __pyx_L0;
+      goto __pyx_L17;
+    }
+    __pyx_L17:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1206
+ *                 return 0
+ * 
+ *             if f_low != f_back_low[0]:             # <<<<<<<<<<<<<<
+ *                 if new_low_x == 0:
+ *                     if new_x >= max_new_x:
+ */
+    __pyx_t_4 = (__pyx_v_f_low != (__pyx_v_f_back_low[0]));
+    if (__pyx_t_4) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1207
+ * 
+ *             if f_low != f_back_low[0]:
+ *                 if new_low_x == 0:             # <<<<<<<<<<<<<<
+ *                     if new_x >= max_new_x:
+ *                         # FAIL: extension required on low side violates max # of gaps
+ */
+      __pyx_t_4 = (__pyx_v_new_low_x == 0);
+      if (__pyx_t_4) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1208
+ *             if f_low != f_back_low[0]:
+ *                 if new_low_x == 0:
+ *                     if new_x >= max_new_x:             # <<<<<<<<<<<<<<
+ *                         # FAIL: extension required on low side violates max # of gaps
+ *                         return 0
+ */
+        __pyx_t_4 = (__pyx_v_new_x >= __pyx_v_max_new_x);
+        if (__pyx_t_4) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1210
+ *                     if new_x >= max_new_x:
+ *                         # FAIL: extension required on low side violates max # of gaps
+ *                         return 0             # <<<<<<<<<<<<<<
+ *                     else:
+ *                         new_x = new_x + 1
+ */
+          __pyx_r = 0;
+          goto __pyx_L0;
+          goto __pyx_L20;
+        }
+        /*else*/ {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1212
+ *                         return 0
+ *                     else:
+ *                         new_x = new_x + 1             # <<<<<<<<<<<<<<
+ *                         new_low_x = 1
+ *                 if f_low - f_back_low[0] < min_fx_size:
+ */
+          __pyx_v_new_x = (__pyx_v_new_x + 1);
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1213
+ *                     else:
+ *                         new_x = new_x + 1
+ *                         new_low_x = 1             # <<<<<<<<<<<<<<
+ *                 if f_low - f_back_low[0] < min_fx_size:
+ *                     f_back_low[0] = f_low - min_fx_size
+ */
+          __pyx_v_new_low_x = 1;
+        }
+        __pyx_L20:;
+        goto __pyx_L19;
+      }
+      __pyx_L19:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1214
+ *                         new_x = new_x + 1
+ *                         new_low_x = 1
+ *                 if f_low - f_back_low[0] < min_fx_size:             # <<<<<<<<<<<<<<
+ *                     f_back_low[0] = f_low - min_fx_size
+ *                     if f_back_high[0] - f_back_low[0] > max_f_len:
+ */
+      __pyx_t_4 = ((__pyx_v_f_low - (__pyx_v_f_back_low[0])) < __pyx_v_min_fx_size);
+      if (__pyx_t_4) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1215
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+ *                         # FAIL: extension required on low side violates max initial length
+ */
+        (__pyx_v_f_back_low[0]) = (__pyx_v_f_low - __pyx_v_min_fx_size);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1216
+ *                 if f_low - f_back_low[0] < min_fx_size:
+ *                     f_back_low[0] = f_low - min_fx_size
+ *                     if f_back_high[0] - f_back_low[0] > max_f_len:             # <<<<<<<<<<<<<<
+ *                         # FAIL: extension required on low side violates max initial length
+ *                         return 0
+ */
+        __pyx_t_4 = (((__pyx_v_f_back_high[0]) - (__pyx_v_f_back_low[0])) > __pyx_v_max_f_len);
+        if (__pyx_t_4) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1218
+ *                     if f_back_high[0] - f_back_low[0] > max_f_len:
+ *                         # FAIL: extension required on low side violates max initial length
+ *                         return 0             # <<<<<<<<<<<<<<
+ *                     if f_back_low[0] < 0:
+ *                         # FAIL: extension required on low side violates sentence boundary
+ */
+          __pyx_r = 0;
+          goto __pyx_L0;
+          goto __pyx_L22;
+        }
+        __pyx_L22:;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1219
+ *                         # FAIL: extension required on low side violates max initial length
+ *                         return 0
+ *                     if f_back_low[0] < 0:             # <<<<<<<<<<<<<<
+ *                         # FAIL: extension required on low side violates sentence boundary
+ *                         return 0
+ */
+        __pyx_t_4 = ((__pyx_v_f_back_low[0]) < 0);
+        if (__pyx_t_4) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1221
+ *                     if f_back_low[0] < 0:
+ *                         # FAIL: extension required on low side violates sentence boundary
+ *                         return 0             # <<<<<<<<<<<<<<
+ * 
+ *             if f_high != f_back_high[0]:
+ */
+          __pyx_r = 0;
+          goto __pyx_L0;
+          goto __pyx_L23;
+        }
+        __pyx_L23:;
+        goto __pyx_L21;
+      }
+      __pyx_L21:;
+      goto __pyx_L18;
+    }
+    __pyx_L18:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1223
+ *                         return 0
+ * 
+ *             if f_high != f_back_high[0]:             # <<<<<<<<<<<<<<
+ *                 if new_high_x == 0:
+ *                     if new_x >= max_new_x:
+ */
+    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1223; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_6 = PyObject_RichCompare(__pyx_v_f_high, __pyx_t_2, Py_NE); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1223; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1223; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    if (__pyx_t_4) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1224
+ * 
+ *             if f_high != f_back_high[0]:
+ *                 if new_high_x == 0:             # <<<<<<<<<<<<<<
+ *                     if new_x >= max_new_x:
+ *                         # FAIL: extension required on high side violates max # of gaps
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+      __pyx_t_4 = (__pyx_v_new_high_x == 0);
+      if (__pyx_t_4) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1225
+ *             if f_high != f_back_high[0]:
+ *                 if new_high_x == 0:
+ *                     if new_x >= max_new_x:             # <<<<<<<<<<<<<<
+ *                         # FAIL: extension required on high side violates max # of gaps
+ *                         return 0
+ */
+        __pyx_t_4 = (__pyx_v_new_x >= __pyx_v_max_new_x);
+        if (__pyx_t_4) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1227
+ *                     if new_x >= max_new_x:
+ *                         # FAIL: extension required on high side violates max # of gaps
+ *                         return 0             # <<<<<<<<<<<<<<
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+ */
+          __pyx_r = 0;
+          goto __pyx_L0;
+          goto __pyx_L26;
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+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1229
+ *                         return 0
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+ *                         new_x = new_x + 1             # <<<<<<<<<<<<<<
+ *                         new_high_x = 1
+ *                 if f_back_high[0] - f_high < min_fx_size:
+ */
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+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1230
+ *                     else:
+ *                         new_x = new_x + 1
+ *                         new_high_x = 1             # <<<<<<<<<<<<<<
+ *                 if f_back_high[0] - f_high < min_fx_size:
+ *                     f_back_high[0] = f_high + min_fx_size
+ */
+          __pyx_v_new_high_x = 1;
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+        __pyx_L26:;
+        goto __pyx_L25;
+      }
+      __pyx_L25:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1231
+ *                         new_x = new_x + 1
+ *                         new_high_x = 1
+ *                 if f_back_high[0] - f_high < min_fx_size:             # <<<<<<<<<<<<<<
+ *                     f_back_high[0] = f_high + min_fx_size
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+ */
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+      __Pyx_GOTREF(__pyx_t_6);
+      __pyx_t_2 = PyNumber_Subtract(__pyx_t_6, __pyx_v_f_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+      __pyx_t_6 = PyInt_FromLong(__pyx_v_min_fx_size); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_6);
+      __pyx_t_7 = PyObject_RichCompare(__pyx_t_2, __pyx_t_6, Py_LT); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_7);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+      __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+      if (__pyx_t_4) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1232
+ *                         new_high_x = 1
+ *                 if f_back_high[0] - f_high < min_fx_size:
+ *                     f_back_high[0] = f_high + min_fx_size             # <<<<<<<<<<<<<<
+ *                     if f_back_high[0] - f_back_low[0] > max_f_len:
+ *                         # FAIL: extension required on high side violates max initial length
+ */
+        __pyx_t_7 = PyInt_FromLong(__pyx_v_min_fx_size); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1232; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_7);
+        __pyx_t_6 = PyNumber_Add(__pyx_v_f_high, __pyx_t_7); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1232; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_6);
+        __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+        __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_t_6); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1232; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+        (__pyx_v_f_back_high[0]) = __pyx_t_1;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1233
+ *                 if f_back_high[0] - f_high < min_fx_size:
+ *                     f_back_high[0] = f_high + min_fx_size
+ *                     if f_back_high[0] - f_back_low[0] > max_f_len:             # <<<<<<<<<<<<<<
+ *                         # FAIL: extension required on high side violates max initial length
+ *                         return 0
+ */
+        __pyx_t_4 = (((__pyx_v_f_back_high[0]) - (__pyx_v_f_back_low[0])) > __pyx_v_max_f_len);
+        if (__pyx_t_4) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1235
+ *                     if f_back_high[0] - f_back_low[0] > max_f_len:
+ *                         # FAIL: extension required on high side violates max initial length
+ *                         return 0             # <<<<<<<<<<<<<<
+ *                     if f_back_high[0] > f_sent_len:
+ *                         # FAIL: extension required on high side violates sentence boundary
+ */
+          __pyx_r = 0;
+          goto __pyx_L0;
+          goto __pyx_L28;
+        }
+        __pyx_L28:;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1236
+ *                         # FAIL: extension required on high side violates max initial length
+ *                         return 0
+ *                     if f_back_high[0] > f_sent_len:             # <<<<<<<<<<<<<<
+ *                         # FAIL: extension required on high side violates sentence boundary
+ *                         return 0
+ */
+        __pyx_t_4 = ((__pyx_v_f_back_high[0]) > __pyx_v_f_sent_len);
+        if (__pyx_t_4) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1238
+ *                     if f_back_high[0] > f_sent_len:
+ *                         # FAIL: extension required on high side violates sentence boundary
+ *                         return 0             # <<<<<<<<<<<<<<
+ * 
+ *             e_low_prev = e_low[0]
+ */
+          __pyx_r = 0;
+          goto __pyx_L0;
+          goto __pyx_L29;
+        }
+        __pyx_L29:;
+        goto __pyx_L27;
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+      __pyx_L27:;
+      goto __pyx_L24;
+    }
+    __pyx_L24:;
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1240
+ *                         return 0
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+ *             e_high_prev = e_high[0]
+ * 
+ */
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1241
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+ * 
+ *             self.find_projection(f_back_low[0], f_low_prev, f_links_low, f_links_high, e_low, e_high)
+ */
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1243
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+ *             self.find_projection(f_back_low[0], f_low_prev, f_links_low, f_links_high, e_low, e_high)             # <<<<<<<<<<<<<<
+ *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)
+ *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:
+ */
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1244
+ * 
+ *             self.find_projection(f_back_low[0], f_low_prev, f_links_low, f_links_high, e_low, e_high)
+ *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)             # <<<<<<<<<<<<<<
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+ *                 return 1
+ */
+    __pyx_t_6 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_f_high_prev, (__pyx_v_f_back_high[0]), __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1244; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1245
+ *             self.find_projection(f_back_low[0], f_low_prev, f_links_low, f_links_high, e_low, e_high)
+ *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)
+ *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:             # <<<<<<<<<<<<<<
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+ *             if allow_arbitrary_x == 0:
+ */
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+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1246
+ *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)
+ *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:
+ *                 return 1             # <<<<<<<<<<<<<<
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+      goto __pyx_L30;
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+    __pyx_L30:;
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+ *             if allow_arbitrary_x == 0:             # <<<<<<<<<<<<<<
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+ *                 return 0
+ */
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+ *                 # FAIL: arbitrary expansion not permitted
+ *                 return 0             # <<<<<<<<<<<<<<
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+      goto __pyx_L31;
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+    __pyx_L31:;
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1250
+ *                 # FAIL: arbitrary expansion not permitted
+ *                 return 0
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+ *                 # FAIL: re-projection violates sentence max phrase length
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+ */
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+ *                 # FAIL: re-projection violates sentence max phrase length
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+}
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+ *                         int* out_low, int* out_high):
+ *         cdef int i
+ */
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+  int __pyx_v_i;
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+ *         cdef int i
+ *         for i from in_low <= i < in_high:             # <<<<<<<<<<<<<<
+ *             if in_links_low[i] != -1:
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+ */
+  __pyx_t_1 = __pyx_v_in_high;
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+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1261
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+ */
+    __pyx_t_2 = ((__pyx_v_in_links_low[__pyx_v_i]) != -1);
+    if (__pyx_t_2) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1262
+ *         for i from in_low <= i < in_high:
+ *             if in_links_low[i] != -1:
+ *                 if out_low[0] == -1 or in_links_low[i] < out_low[0]:             # <<<<<<<<<<<<<<
+ *                     out_low[0] = in_links_low[i]
+ *                 if out_high[0] == -1 or in_links_high[i] > out_high[0]:
+ */
+      __pyx_t_2 = ((__pyx_v_out_low[0]) == -1);
+      if (!__pyx_t_2) {
+        __pyx_t_3 = ((__pyx_v_in_links_low[__pyx_v_i]) < (__pyx_v_out_low[0]));
+        __pyx_t_4 = __pyx_t_3;
+      } else {
+        __pyx_t_4 = __pyx_t_2;
+      }
+      if (__pyx_t_4) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1263
+ *             if in_links_low[i] != -1:
+ *                 if out_low[0] == -1 or in_links_low[i] < out_low[0]:
+ *                     out_low[0] = in_links_low[i]             # <<<<<<<<<<<<<<
+ *                 if out_high[0] == -1 or in_links_high[i] > out_high[0]:
+ *                     out_high[0] = in_links_high[i]
+ */
+        (__pyx_v_out_low[0]) = (__pyx_v_in_links_low[__pyx_v_i]);
+        goto __pyx_L6;
+      }
+      __pyx_L6:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1264
+ *                 if out_low[0] == -1 or in_links_low[i] < out_low[0]:
+ *                     out_low[0] = in_links_low[i]
+ *                 if out_high[0] == -1 or in_links_high[i] > out_high[0]:             # <<<<<<<<<<<<<<
+ *                     out_high[0] = in_links_high[i]
+ * 
+ */
+      __pyx_t_4 = ((__pyx_v_out_high[0]) == -1);
+      if (!__pyx_t_4) {
+        __pyx_t_2 = ((__pyx_v_in_links_high[__pyx_v_i]) > (__pyx_v_out_high[0]));
+        __pyx_t_3 = __pyx_t_2;
+      } else {
+        __pyx_t_3 = __pyx_t_4;
+      }
+      if (__pyx_t_3) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1265
+ *                     out_low[0] = in_links_low[i]
+ *                 if out_high[0] == -1 or in_links_high[i] > out_high[0]:
+ *                     out_high[0] = in_links_high[i]             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+        (__pyx_v_out_high[0]) = (__pyx_v_in_links_high[__pyx_v_i]);
+        goto __pyx_L7;
+      }
+      __pyx_L7:;
+      goto __pyx_L5;
+    }
+    __pyx_L5:;
+  }
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1268
+ * 
+ * 
+ *     cdef int* int_arr_extend(self, int* arr, int* arr_len, int* data, int data_len):             # <<<<<<<<<<<<<<
+ *         cdef int new_len
+ *         new_len = arr_len[0] + data_len
+ */
+
+static int *__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UNUSED struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, int *__pyx_v_arr, int *__pyx_v_arr_len, int *__pyx_v_data, int __pyx_v_data_len) {
+  int __pyx_v_new_len;
+  int *__pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("int_arr_extend", 0);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1270
+ *     cdef int* int_arr_extend(self, int* arr, int* arr_len, int* data, int data_len):
+ *         cdef int new_len
+ *         new_len = arr_len[0] + data_len             # <<<<<<<<<<<<<<
+ *         arr = <int*> realloc(arr, new_len*sizeof(int))
+ *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))
+ */
+  __pyx_v_new_len = ((__pyx_v_arr_len[0]) + __pyx_v_data_len);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1271
+ *         cdef int new_len
+ *         new_len = arr_len[0] + data_len
+ *         arr = <int*> realloc(arr, new_len*sizeof(int))             # <<<<<<<<<<<<<<
+ *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))
+ *         arr_len[0] = new_len
+ */
+  __pyx_v_arr = ((int *)realloc(__pyx_v_arr, (__pyx_v_new_len * (sizeof(int)))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1272
+ *         new_len = arr_len[0] + data_len
+ *         arr = <int*> realloc(arr, new_len*sizeof(int))
+ *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))             # <<<<<<<<<<<<<<
+ *         arr_len[0] = new_len
+ *         return arr
+ */
+  memcpy((__pyx_v_arr + (__pyx_v_arr_len[0])), __pyx_v_data, (__pyx_v_data_len * (sizeof(int))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1273
+ *         arr = <int*> realloc(arr, new_len*sizeof(int))
+ *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))
+ *         arr_len[0] = new_len             # <<<<<<<<<<<<<<
+ *         return arr
+ * 
+ */
+  (__pyx_v_arr_len[0]) = __pyx_v_new_len;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1274
+ *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))
+ *         arr_len[0] = new_len
+ *         return arr             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __pyx_r = __pyx_v_arr;
+  goto __pyx_L0;
+
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1277
+ * 
+ * 
+ *     cdef extract_phrases(self, int e_low, int e_high, int* e_gap_low, int* e_gap_high, int* e_links_low, int num_gaps,             # <<<<<<<<<<<<<<
+ *                         int f_low, int f_high, int* f_gap_low, int* f_gap_high, int* f_links_low,
+ *                         int sent_id, int e_sent_len, int e_sent_start):
+ */
+
+static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_e_low, int __pyx_v_e_high, int *__pyx_v_e_gap_low, int *__pyx_v_e_gap_high, int *__pyx_v_e_links_low, int __pyx_v_num_gaps, CYTHON_UNUSED int __pyx_v_f_low, CYTHON_UNUSED int __pyx_v_f_high, CYTHON_UNUSED int *__pyx_v_f_gap_low, CYTHON_UNUSED int *__pyx_v_f_gap_high, CYTHON_UNUSED int *__pyx_v_f_links_low, CYTHON_UNUSED int __pyx_v_sent_id, int __pyx_v_e_sent_len, int __pyx_v_e_sent_start) {
+  int __pyx_v_i;
+  int __pyx_v_j;
+  int __pyx_v_k;
+  int __pyx_v_m;
+  int __pyx_v_n;
+  int *__pyx_v_e_gap_order;
+  int __pyx_v_e_x_low;
+  int __pyx_v_e_x_high;
+  int __pyx_v_e_x_gap_low;
+  int __pyx_v_e_x_gap_high;
+  int *__pyx_v_e_gaps1;
+  int *__pyx_v_e_gaps2;
+  int __pyx_v_len1;
+  int __pyx_v_len2;
+  int __pyx_v_step;
+  int __pyx_v_num_chunks;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_ephr_arr = 0;
+  PyObject *__pyx_v_result = 0;
+  PyObject *__pyx_v_indexes = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_t_2;
+  int __pyx_t_3;
+  int __pyx_t_4;
+  int __pyx_t_5;
+  int __pyx_t_6;
+  int __pyx_t_7;
+  int __pyx_t_8;
+  long __pyx_t_9;
+  int __pyx_t_10;
+  PyObject *__pyx_t_11 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("extract_phrases", 0);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1285
+ *         cdef result
+ * 
+ *         result = []             # <<<<<<<<<<<<<<
+ *         len1 = 0
+ *         e_gaps1 = <int*> malloc(0)
+ */
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1285; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_v_result = ((PyObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1286
+ * 
+ *         result = []
+ *         len1 = 0             # <<<<<<<<<<<<<<
+ *         e_gaps1 = <int*> malloc(0)
+ *         ephr_arr = IntList()
+ */
+  __pyx_v_len1 = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1287
+ *         result = []
+ *         len1 = 0
+ *         e_gaps1 = <int*> malloc(0)             # <<<<<<<<<<<<<<
+ *         ephr_arr = IntList()
+ * 
+ */
+  __pyx_v_e_gaps1 = ((int *)malloc(0));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1288
+ *         len1 = 0
+ *         e_gaps1 = <int*> malloc(0)
+ *         ephr_arr = IntList()             # <<<<<<<<<<<<<<
+ * 
+ *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
+ */
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_v_ephr_arr = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1290
+ *         ephr_arr = IntList()
+ * 
+ *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))             # <<<<<<<<<<<<<<
+ *         if num_gaps > 0:
+ *             e_gap_order[0] = 0
+ */
+  __pyx_v_e_gap_order = ((int *)malloc((__pyx_v_num_gaps * (sizeof(int)))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1291
+ * 
+ *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
+ *         if num_gaps > 0:             # <<<<<<<<<<<<<<
+ *             e_gap_order[0] = 0
+ *             for i from 1 <= i < num_gaps:
+ */
+  __pyx_t_2 = (__pyx_v_num_gaps > 0);
+  if (__pyx_t_2) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1292
+ *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
+ *         if num_gaps > 0:
+ *             e_gap_order[0] = 0             # <<<<<<<<<<<<<<
+ *             for i from 1 <= i < num_gaps:
+ *                 for j from 0 <= j < i:
+ */
+    (__pyx_v_e_gap_order[0]) = 0;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1293
+ *         if num_gaps > 0:
+ *             e_gap_order[0] = 0
+ *             for i from 1 <= i < num_gaps:             # <<<<<<<<<<<<<<
+ *                 for j from 0 <= j < i:
+ *                     if e_gap_low[i] < e_gap_low[j]:
+ */
+    __pyx_t_3 = __pyx_v_num_gaps;
+    for (__pyx_v_i = 1; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1294
+ *             e_gap_order[0] = 0
+ *             for i from 1 <= i < num_gaps:
+ *                 for j from 0 <= j < i:             # <<<<<<<<<<<<<<
+ *                     if e_gap_low[i] < e_gap_low[j]:
+ *                         for k from j <= k < i:
+ */
+      __pyx_t_4 = __pyx_v_i;
+      for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_4; __pyx_v_j++) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1295
+ *             for i from 1 <= i < num_gaps:
+ *                 for j from 0 <= j < i:
+ *                     if e_gap_low[i] < e_gap_low[j]:             # <<<<<<<<<<<<<<
+ *                         for k from j <= k < i:
+ *                             e_gap_order[k+1] = e_gap_order[k]
+ */
+        __pyx_t_2 = ((__pyx_v_e_gap_low[__pyx_v_i]) < (__pyx_v_e_gap_low[__pyx_v_j]));
+        if (__pyx_t_2) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1296
+ *                 for j from 0 <= j < i:
+ *                     if e_gap_low[i] < e_gap_low[j]:
+ *                         for k from j <= k < i:             # <<<<<<<<<<<<<<
+ *                             e_gap_order[k+1] = e_gap_order[k]
+ *                         e_gap_order[j] = i
+ */
+          __pyx_t_5 = __pyx_v_i;
+          for (__pyx_v_k = __pyx_v_j; __pyx_v_k < __pyx_t_5; __pyx_v_k++) {
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1297
+ *                     if e_gap_low[i] < e_gap_low[j]:
+ *                         for k from j <= k < i:
+ *                             e_gap_order[k+1] = e_gap_order[k]             # <<<<<<<<<<<<<<
+ *                         e_gap_order[j] = i
+ *                         break
+ */
+            (__pyx_v_e_gap_order[(__pyx_v_k + 1)]) = (__pyx_v_e_gap_order[__pyx_v_k]);
+          }
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1298
+ *                         for k from j <= k < i:
+ *                             e_gap_order[k+1] = e_gap_order[k]
+ *                         e_gap_order[j] = i             # <<<<<<<<<<<<<<
+ *                         break
+ *                 else:
+ */
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+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1299
+ *                             e_gap_order[k+1] = e_gap_order[k]
+ *                         e_gap_order[j] = i
+ *                         break             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     e_gap_order[i] = i
+ */
+          goto __pyx_L7_break;
+          goto __pyx_L8;
+        }
+        __pyx_L8:;
+      }
+      /*else*/ {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1301
+ *                         break
+ *                 else:
+ *                     e_gap_order[i] = i             # <<<<<<<<<<<<<<
+ * 
+ *         e_x_low = e_low
+ */
+        (__pyx_v_e_gap_order[__pyx_v_i]) = __pyx_v_i;
+      }
+      __pyx_L7_break:;
+    }
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1303
+ *                     e_gap_order[i] = i
+ * 
+ *         e_x_low = e_low             # <<<<<<<<<<<<<<
+ *         e_x_high = e_high
+ *         if self.tight_phrases == 0:
+ */
+  __pyx_v_e_x_low = __pyx_v_e_low;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1304
+ * 
+ *         e_x_low = e_low
+ *         e_x_high = e_high             # <<<<<<<<<<<<<<
+ *         if self.tight_phrases == 0:
+ *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:
+ */
+  __pyx_v_e_x_high = __pyx_v_e_high;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1305
+ *         e_x_low = e_low
+ *         e_x_high = e_high
+ *         if self.tight_phrases == 0:             # <<<<<<<<<<<<<<
+ *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:
+ *                 e_x_low = e_x_low - 1
+ */
+  __pyx_t_2 = (__pyx_v_self->tight_phrases == 0);
+  if (__pyx_t_2) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1306
+ *         e_x_high = e_high
+ *         if self.tight_phrases == 0:
+ *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:             # <<<<<<<<<<<<<<
+ *                 e_x_low = e_x_low - 1
+ *             while e_x_high < e_sent_len and e_x_high - e_low < self.train_max_initial_size and e_links_low[e_x_high] == -1:
+ */
+    while (1) {
+      __pyx_t_2 = (__pyx_v_e_x_low > 0);
+      if (__pyx_t_2) {
+        __pyx_t_6 = ((__pyx_v_e_high - __pyx_v_e_x_low) < __pyx_v_self->train_max_initial_size);
+        if (__pyx_t_6) {
+          __pyx_t_7 = ((__pyx_v_e_links_low[(__pyx_v_e_x_low - 1)]) == -1);
+          __pyx_t_8 = __pyx_t_7;
+        } else {
+          __pyx_t_8 = __pyx_t_6;
+        }
+        __pyx_t_6 = __pyx_t_8;
+      } else {
+        __pyx_t_6 = __pyx_t_2;
+      }
+      if (!__pyx_t_6) break;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1307
+ *         if self.tight_phrases == 0:
+ *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:
+ *                 e_x_low = e_x_low - 1             # <<<<<<<<<<<<<<
+ *             while e_x_high < e_sent_len and e_x_high - e_low < self.train_max_initial_size and e_links_low[e_x_high] == -1:
+ *                 e_x_high = e_x_high + 1
+ */
+      __pyx_v_e_x_low = (__pyx_v_e_x_low - 1);
+    }
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1308
+ *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:
+ *                 e_x_low = e_x_low - 1
+ *             while e_x_high < e_sent_len and e_x_high - e_low < self.train_max_initial_size and e_links_low[e_x_high] == -1:             # <<<<<<<<<<<<<<
+ *                 e_x_high = e_x_high + 1
+ * 
+ */
+    while (1) {
+      __pyx_t_6 = (__pyx_v_e_x_high < __pyx_v_e_sent_len);
+      if (__pyx_t_6) {
+        __pyx_t_2 = ((__pyx_v_e_x_high - __pyx_v_e_low) < __pyx_v_self->train_max_initial_size);
+        if (__pyx_t_2) {
+          __pyx_t_8 = ((__pyx_v_e_links_low[__pyx_v_e_x_high]) == -1);
+          __pyx_t_7 = __pyx_t_8;
+        } else {
+          __pyx_t_7 = __pyx_t_2;
+        }
+        __pyx_t_2 = __pyx_t_7;
+      } else {
+        __pyx_t_2 = __pyx_t_6;
+      }
+      if (!__pyx_t_2) break;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1309
+ *                 e_x_low = e_x_low - 1
+ *             while e_x_high < e_sent_len and e_x_high - e_low < self.train_max_initial_size and e_links_low[e_x_high] == -1:
+ *                 e_x_high = e_x_high + 1             # <<<<<<<<<<<<<<
+ * 
+ *         for i from e_x_low <= i <= e_low:
+ */
+      __pyx_v_e_x_high = (__pyx_v_e_x_high + 1);
+    }
+    goto __pyx_L11;
+  }
+  __pyx_L11:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1311
+ *                 e_x_high = e_x_high + 1
+ * 
+ *         for i from e_x_low <= i <= e_low:             # <<<<<<<<<<<<<<
+ *             e_gaps1 = self.int_arr_extend(e_gaps1, &len1, &i, 1)
+ * 
+ */
+  __pyx_t_3 = __pyx_v_e_low;
+  for (__pyx_v_i = __pyx_v_e_x_low; __pyx_v_i <= __pyx_t_3; __pyx_v_i++) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1312
+ * 
+ *         for i from e_x_low <= i <= e_low:
+ *             e_gaps1 = self.int_arr_extend(e_gaps1, &len1, &i, 1)             # <<<<<<<<<<<<<<
+ * 
+ *         for i from 0 <= i < num_gaps:
+ */
+    __pyx_v_e_gaps1 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps1, (&__pyx_v_len1), (&__pyx_v_i), 1);
+  }
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1314
+ *             e_gaps1 = self.int_arr_extend(e_gaps1, &len1, &i, 1)
+ * 
+ *         for i from 0 <= i < num_gaps:             # <<<<<<<<<<<<<<
+ *             e_gaps2 = <int*> malloc(0)
+ *             len2 = 0
+ */
+  __pyx_t_3 = __pyx_v_num_gaps;
+  for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1315
+ * 
+ *         for i from 0 <= i < num_gaps:
+ *             e_gaps2 = <int*> malloc(0)             # <<<<<<<<<<<<<<
+ *             len2 = 0
+ * 
+ */
+    __pyx_v_e_gaps2 = ((int *)malloc(0));
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1316
+ *         for i from 0 <= i < num_gaps:
+ *             e_gaps2 = <int*> malloc(0)
+ *             len2 = 0             # <<<<<<<<<<<<<<
+ * 
+ *             j = e_gap_order[i]
+ */
+    __pyx_v_len2 = 0;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1318
+ *             len2 = 0
+ * 
+ *             j = e_gap_order[i]             # <<<<<<<<<<<<<<
+ *             e_x_gap_low = e_gap_low[j]
+ *             e_x_gap_high = e_gap_high[j]
+ */
+    __pyx_v_j = (__pyx_v_e_gap_order[__pyx_v_i]);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1319
+ * 
+ *             j = e_gap_order[i]
+ *             e_x_gap_low = e_gap_low[j]             # <<<<<<<<<<<<<<
+ *             e_x_gap_high = e_gap_high[j]
+ *             if self.tight_phrases == 0:
+ */
+    __pyx_v_e_x_gap_low = (__pyx_v_e_gap_low[__pyx_v_j]);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1320
+ *             j = e_gap_order[i]
+ *             e_x_gap_low = e_gap_low[j]
+ *             e_x_gap_high = e_gap_high[j]             # <<<<<<<<<<<<<<
+ *             if self.tight_phrases == 0:
+ *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:
+ */
+    __pyx_v_e_x_gap_high = (__pyx_v_e_gap_high[__pyx_v_j]);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1321
+ *             e_x_gap_low = e_gap_low[j]
+ *             e_x_gap_high = e_gap_high[j]
+ *             if self.tight_phrases == 0:             # <<<<<<<<<<<<<<
+ *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:
+ *                     e_x_gap_low = e_x_gap_low - 1
+ */
+    __pyx_t_2 = (__pyx_v_self->tight_phrases == 0);
+    if (__pyx_t_2) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1322
+ *             e_x_gap_high = e_gap_high[j]
+ *             if self.tight_phrases == 0:
+ *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:             # <<<<<<<<<<<<<<
+ *                     e_x_gap_low = e_x_gap_low - 1
+ *                 while e_x_gap_high < e_x_high and e_links_low[e_x_gap_high] == -1:
+ */
+      while (1) {
+        __pyx_t_2 = (__pyx_v_e_x_gap_low > __pyx_v_e_x_low);
+        if (__pyx_t_2) {
+          __pyx_t_6 = ((__pyx_v_e_links_low[(__pyx_v_e_x_gap_low - 1)]) == -1);
+          __pyx_t_7 = __pyx_t_6;
+        } else {
+          __pyx_t_7 = __pyx_t_2;
+        }
+        if (!__pyx_t_7) break;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1323
+ *             if self.tight_phrases == 0:
+ *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:
+ *                     e_x_gap_low = e_x_gap_low - 1             # <<<<<<<<<<<<<<
+ *                 while e_x_gap_high < e_x_high and e_links_low[e_x_gap_high] == -1:
+ *                     e_x_gap_high = e_x_gap_high + 1
+ */
+        __pyx_v_e_x_gap_low = (__pyx_v_e_x_gap_low - 1);
+      }
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1324
+ *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:
+ *                     e_x_gap_low = e_x_gap_low - 1
+ *                 while e_x_gap_high < e_x_high and e_links_low[e_x_gap_high] == -1:             # <<<<<<<<<<<<<<
+ *                     e_x_gap_high = e_x_gap_high + 1
+ * 
+ */
+      while (1) {
+        __pyx_t_7 = (__pyx_v_e_x_gap_high < __pyx_v_e_x_high);
+        if (__pyx_t_7) {
+          __pyx_t_2 = ((__pyx_v_e_links_low[__pyx_v_e_x_gap_high]) == -1);
+          __pyx_t_6 = __pyx_t_2;
+        } else {
+          __pyx_t_6 = __pyx_t_7;
+        }
+        if (!__pyx_t_6) break;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1325
+ *                     e_x_gap_low = e_x_gap_low - 1
+ *                 while e_x_gap_high < e_x_high and e_links_low[e_x_gap_high] == -1:
+ *                     e_x_gap_high = e_x_gap_high + 1             # <<<<<<<<<<<<<<
+ * 
+ *             k = 0
+ */
+        __pyx_v_e_x_gap_high = (__pyx_v_e_x_gap_high + 1);
+      }
+      goto __pyx_L20;
+    }
+    __pyx_L20:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1327
+ *                     e_x_gap_high = e_x_gap_high + 1
+ * 
+ *             k = 0             # <<<<<<<<<<<<<<
+ *             step = 1+(i*2)
+ *             while k < len1:
+ */
+    __pyx_v_k = 0;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1328
+ * 
+ *             k = 0
+ *             step = 1+(i*2)             # <<<<<<<<<<<<<<
+ *             while k < len1:
+ *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
+ */
+    __pyx_v_step = (1 + (__pyx_v_i * 2));
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1329
+ *             k = 0
+ *             step = 1+(i*2)
+ *             while k < len1:             # <<<<<<<<<<<<<<
+ *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
+ *                     if m >= e_gaps1[k+step-1]:
+ */
+    while (1) {
+      __pyx_t_6 = (__pyx_v_k < __pyx_v_len1);
+      if (!__pyx_t_6) break;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1330
+ *             step = 1+(i*2)
+ *             while k < len1:
+ *                 for m from e_x_gap_low <= m <= e_gap_low[j]:             # <<<<<<<<<<<<<<
+ *                     if m >= e_gaps1[k+step-1]:
+ *                         for n from e_gap_high[j] <= n <= e_x_gap_high:
+ */
+      __pyx_t_4 = (__pyx_v_e_gap_low[__pyx_v_j]);
+      for (__pyx_v_m = __pyx_v_e_x_gap_low; __pyx_v_m <= __pyx_t_4; __pyx_v_m++) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1331
+ *             while k < len1:
+ *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
+ *                     if m >= e_gaps1[k+step-1]:             # <<<<<<<<<<<<<<
+ *                         for n from e_gap_high[j] <= n <= e_x_gap_high:
+ *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length
+ */
+        __pyx_t_6 = (__pyx_v_m >= (__pyx_v_e_gaps1[((__pyx_v_k + __pyx_v_step) - 1)]));
+        if (__pyx_t_6) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1332
+ *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
+ *                     if m >= e_gaps1[k+step-1]:
+ *                         for n from e_gap_high[j] <= n <= e_x_gap_high:             # <<<<<<<<<<<<<<
+ *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)
+ */
+          __pyx_t_5 = __pyx_v_e_x_gap_high;
+          for (__pyx_v_n = (__pyx_v_e_gap_high[__pyx_v_j]); __pyx_v_n <= __pyx_t_5; __pyx_v_n++) {
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1333
+ *                     if m >= e_gaps1[k+step-1]:
+ *                         for n from e_gap_high[j] <= n <= e_x_gap_high:
+ *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length             # <<<<<<<<<<<<<<
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
+ */
+            __pyx_t_6 = ((__pyx_v_n - __pyx_v_m) >= 1);
+            if (__pyx_t_6) {
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1334
+ *                         for n from e_gap_high[j] <= n <= e_x_gap_high:
+ *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)             # <<<<<<<<<<<<<<
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
+ */
+              __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (__pyx_v_e_gaps1 + __pyx_v_k), __pyx_v_step);
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1335
+ *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)             # <<<<<<<<<<<<<<
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
+ *                 k = k + step
+ */
+              __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_m), 1);
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1336
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)             # <<<<<<<<<<<<<<
+ *                 k = k + step
+ *             free(e_gaps1)
+ */
+              __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_n), 1);
+              goto __pyx_L32;
+            }
+            __pyx_L32:;
+          }
+          goto __pyx_L29;
+        }
+        __pyx_L29:;
+      }
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1337
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
+ *                 k = k + step             # <<<<<<<<<<<<<<
+ *             free(e_gaps1)
+ *             e_gaps1 = e_gaps2
+ */
+      __pyx_v_k = (__pyx_v_k + __pyx_v_step);
+    }
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1338
+ *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
+ *                 k = k + step
+ *             free(e_gaps1)             # <<<<<<<<<<<<<<
+ *             e_gaps1 = e_gaps2
+ *             len1 = len2
+ */
+    free(__pyx_v_e_gaps1);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1339
+ *                 k = k + step
+ *             free(e_gaps1)
+ *             e_gaps1 = e_gaps2             # <<<<<<<<<<<<<<
+ *             len1 = len2
+ * 
+ */
+    __pyx_v_e_gaps1 = __pyx_v_e_gaps2;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1340
+ *             free(e_gaps1)
+ *             e_gaps1 = e_gaps2
+ *             len1 = len2             # <<<<<<<<<<<<<<
+ * 
+ *         step = 1+(num_gaps*2)
+ */
+    __pyx_v_len1 = __pyx_v_len2;
+  }
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1342
+ *             len1 = len2
+ * 
+ *         step = 1+(num_gaps*2)             # <<<<<<<<<<<<<<
+ *         e_gaps2 = <int*> malloc(0)
+ *         len2 = 0
+ */
+  __pyx_v_step = (1 + (__pyx_v_num_gaps * 2));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1343
+ * 
+ *         step = 1+(num_gaps*2)
+ *         e_gaps2 = <int*> malloc(0)             # <<<<<<<<<<<<<<
+ *         len2 = 0
+ *         for i from e_high <= i <= e_x_high:
+ */
+  __pyx_v_e_gaps2 = ((int *)malloc(0));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1344
+ *         step = 1+(num_gaps*2)
+ *         e_gaps2 = <int*> malloc(0)
+ *         len2 = 0             # <<<<<<<<<<<<<<
+ *         for i from e_high <= i <= e_x_high:
+ *             j = 0
+ */
+  __pyx_v_len2 = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1345
+ *         e_gaps2 = <int*> malloc(0)
+ *         len2 = 0
+ *         for i from e_high <= i <= e_x_high:             # <<<<<<<<<<<<<<
+ *             j = 0
+ *             while j < len1:
+ */
+  __pyx_t_3 = __pyx_v_e_x_high;
+  for (__pyx_v_i = __pyx_v_e_high; __pyx_v_i <= __pyx_t_3; __pyx_v_i++) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1346
+ *         len2 = 0
+ *         for i from e_high <= i <= e_x_high:
+ *             j = 0             # <<<<<<<<<<<<<<
+ *             while j < len1:
+ *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:
+ */
+    __pyx_v_j = 0;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1347
+ *         for i from e_high <= i <= e_x_high:
+ *             j = 0
+ *             while j < len1:             # <<<<<<<<<<<<<<
+ *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:
+ *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)
+ */
+    while (1) {
+      __pyx_t_6 = (__pyx_v_j < __pyx_v_len1);
+      if (!__pyx_t_6) break;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1348
+ *             j = 0
+ *             while j < len1:
+ *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:             # <<<<<<<<<<<<<<
+ *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)
+ *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
+ */
+      __pyx_t_6 = ((__pyx_v_i - (__pyx_v_e_gaps1[__pyx_v_j])) <= __pyx_v_self->train_max_initial_size);
+      if (__pyx_t_6) {
+        __pyx_t_7 = (__pyx_v_i >= (__pyx_v_e_gaps1[((__pyx_v_j + __pyx_v_step) - 1)]));
+        __pyx_t_2 = __pyx_t_7;
+      } else {
+        __pyx_t_2 = __pyx_t_6;
+      }
+      if (__pyx_t_2) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1349
+ *             while j < len1:
+ *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:
+ *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)             # <<<<<<<<<<<<<<
+ *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
+ *                 j = j + step
+ */
+        __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (__pyx_v_e_gaps1 + __pyx_v_j), __pyx_v_step);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1350
+ *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:
+ *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)
+ *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)             # <<<<<<<<<<<<<<
+ *                 j = j + step
+ *         free(e_gaps1)
+ */
+        __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_i), 1);
+        goto __pyx_L37;
+      }
+      __pyx_L37:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1351
+ *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)
+ *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
+ *                 j = j + step             # <<<<<<<<<<<<<<
+ *         free(e_gaps1)
+ *         e_gaps1 = e_gaps2
+ */
+      __pyx_v_j = (__pyx_v_j + __pyx_v_step);
+    }
+  }
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1352
+ *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
+ *                 j = j + step
+ *         free(e_gaps1)             # <<<<<<<<<<<<<<
+ *         e_gaps1 = e_gaps2
+ *         len1 = len2
+ */
+  free(__pyx_v_e_gaps1);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1353
+ *                 j = j + step
+ *         free(e_gaps1)
+ *         e_gaps1 = e_gaps2             # <<<<<<<<<<<<<<
+ *         len1 = len2
+ * 
+ */
+  __pyx_v_e_gaps1 = __pyx_v_e_gaps2;
+
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+    __pyx_v_i = __pyx_t_4;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1423
+ *         sofar = 0
+ *         for i in range(num_chunks):
+ *             for j in range(chunklen[i]):             # <<<<<<<<<<<<<<
+ *                 self.findexes1.append(matching.arr[matching.start+i]+j-f_sent_start);
+ *                 sofar += 1
+ */
+    __pyx_t_5 = (__pyx_v_chunklen[__pyx_v_i]);
+    for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
+      __pyx_v_j = __pyx_t_6;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1424
+ *         for i in range(num_chunks):
+ *             for j in range(chunklen[i]):
+ *                 self.findexes1.append(matching.arr[matching.start+i]+j-f_sent_start);             # <<<<<<<<<<<<<<
+ *                 sofar += 1
+ *             if (i+1<num_chunks):
+ */
+      __pyx_t_2 = PyInt_FromLong((((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + __pyx_v_j) - __pyx_v_f_sent_start)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1424; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes1), __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1424; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1425
+ *             for j in range(chunklen[i]):
+ *                 self.findexes1.append(matching.arr[matching.start+i]+j-f_sent_start);
+ *                 sofar += 1             # <<<<<<<<<<<<<<
+ *             if (i+1<num_chunks):
+ *                 self.findexes1.append(phrase[sofar])
+ */
+      __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_v_sofar, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1425; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_v_sofar);
+      __pyx_v_sofar = __pyx_t_1;
+      __pyx_t_1 = 0;
+    }
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1426
+ *                 self.findexes1.append(matching.arr[matching.start+i]+j-f_sent_start);
+ *                 sofar += 1
+ *             if (i+1<num_chunks):             # <<<<<<<<<<<<<<
+ *                 self.findexes1.append(phrase[sofar])
+ *                 sofar += 1
+ */
+    __pyx_t_7 = ((__pyx_v_i + 1) < __pyx_v_num_chunks);
+    if (__pyx_t_7) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1427
+ *                 sofar += 1
+ *             if (i+1<num_chunks):
+ *                 self.findexes1.append(phrase[sofar])             # <<<<<<<<<<<<<<
+ *                 sofar += 1
+ * 
+ */
+      __pyx_t_1 = PyObject_GetItem(((PyObject *)__pyx_v_phrase), __pyx_v_sofar); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_2 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes1), __pyx_t_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1428
+ *             if (i+1<num_chunks):
+ *                 self.findexes1.append(phrase[sofar])
+ *                 sofar += 1             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+      __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_sofar, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_v_sofar);
+      __pyx_v_sofar = __pyx_t_2;
+      __pyx_t_2 = 0;
+      goto __pyx_L7;
+    }
+    __pyx_L7:;
+  }
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1431
+ * 
+ * 
+ *         e_links_low = <int*> malloc(e_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
+ *         e_links_high = <int*> malloc(e_sent_len*sizeof(int))
+ *         f_links_low = <int*> malloc(f_sent_len*sizeof(int))
+ */
+  __pyx_v_e_links_low = ((int *)malloc((__pyx_v_e_sent_len * (sizeof(int)))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1432
+ * 
+ *         e_links_low = <int*> malloc(e_sent_len*sizeof(int))
+ *         e_links_high = <int*> malloc(e_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
+ *         f_links_low = <int*> malloc(f_sent_len*sizeof(int))
+ *         f_links_high = <int*> malloc(f_sent_len*sizeof(int))
+ */
+  __pyx_v_e_links_high = ((int *)malloc((__pyx_v_e_sent_len * (sizeof(int)))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1433
+ *         e_links_low = <int*> malloc(e_sent_len*sizeof(int))
+ *         e_links_high = <int*> malloc(e_sent_len*sizeof(int))
+ *         f_links_low = <int*> malloc(f_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
+ *         f_links_high = <int*> malloc(f_sent_len*sizeof(int))
+ *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
+ */
+  __pyx_v_f_links_low = ((int *)malloc((__pyx_v_f_sent_len * (sizeof(int)))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1434
+ *         e_links_high = <int*> malloc(e_sent_len*sizeof(int))
+ *         f_links_low = <int*> malloc(f_sent_len*sizeof(int))
+ *         f_links_high = <int*> malloc(f_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
+ *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
+ *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
+ */
+  __pyx_v_f_links_high = ((int *)malloc((__pyx_v_f_sent_len * (sizeof(int)))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1435
+ *         f_links_low = <int*> malloc(f_sent_len*sizeof(int))
+ *         f_links_high = <int*> malloc(f_sent_len*sizeof(int))
+ *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
+ *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
+ *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
+ */
+  __pyx_v_f_gap_low = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1436
+ *         f_links_high = <int*> malloc(f_sent_len*sizeof(int))
+ *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
+ *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
+ *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
+ *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
+ */
+  __pyx_v_f_gap_high = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1437
+ *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
+ *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
+ *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
+ *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
+ *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))
+ */
+  __pyx_v_e_gap_low = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1438
+ *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
+ *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
+ *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
+ *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))
+ *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))
+ */
+  __pyx_v_e_gap_high = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1439
+ *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
+ *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
+ *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
+ *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))
+ *         memset(e_gap_low, 0, (num_chunks+1)*sizeof(int))
+ */
+  memset(__pyx_v_f_gap_low, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1440
+ *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
+ *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))
+ *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
+ *         memset(e_gap_low, 0, (num_chunks+1)*sizeof(int))
+ *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))
+ */
+  memset(__pyx_v_f_gap_high, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1441
+ *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))
+ *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))
+ *         memset(e_gap_low, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
+ *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))
+ * 
+ */
+  memset(__pyx_v_e_gap_low, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1442
+ *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))
+ *         memset(e_gap_low, 0, (num_chunks+1)*sizeof(int))
+ *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
+ * 
+ *         reason_for_failure = ""
+ */
+  memset(__pyx_v_e_gap_high, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1444
+ *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))
+ * 
+ *         reason_for_failure = ""             # <<<<<<<<<<<<<<
+ * 
+ *         for i from 0 <= i < e_sent_len:
+ */
+  __Pyx_INCREF(((PyObject *)__pyx_kp_s_42));
+  __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_42);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1446
+ *         reason_for_failure = ""
+ * 
+ *         for i from 0 <= i < e_sent_len:             # <<<<<<<<<<<<<<
+ *             e_links_low[i] = -1
+ *             e_links_high[i] = -1
+ */
+  __pyx_t_3 = __pyx_v_e_sent_len;
+  for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1447
+ * 
+ *         for i from 0 <= i < e_sent_len:
+ *             e_links_low[i] = -1             # <<<<<<<<<<<<<<
+ *             e_links_high[i] = -1
+ *         for i from 0 <= i < f_sent_len:
+ */
+    (__pyx_v_e_links_low[__pyx_v_i]) = -1;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1448
+ *         for i from 0 <= i < e_sent_len:
+ *             e_links_low[i] = -1
+ *             e_links_high[i] = -1             # <<<<<<<<<<<<<<
+ *         for i from 0 <= i < f_sent_len:
+ *             f_links_low[i] = -1
+ */
+    (__pyx_v_e_links_high[__pyx_v_i]) = -1;
+  }
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1449
+ *             e_links_low[i] = -1
+ *             e_links_high[i] = -1
+ *         for i from 0 <= i < f_sent_len:             # <<<<<<<<<<<<<<
+ *             f_links_low[i] = -1
+ *             f_links_high[i] = -1
+ */
+  __pyx_t_3 = __pyx_v_f_sent_len;
+  for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1450
+ *             e_links_high[i] = -1
+ *         for i from 0 <= i < f_sent_len:
+ *             f_links_low[i] = -1             # <<<<<<<<<<<<<<
+ *             f_links_high[i] = -1
+ * 
+ */
+    (__pyx_v_f_links_low[__pyx_v_i]) = -1;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1451
+ *         for i from 0 <= i < f_sent_len:
+ *             f_links_low[i] = -1
+ *             f_links_high[i] = -1             # <<<<<<<<<<<<<<
+ * 
+ *         # this is really inefficient -- might be good to
+ */
+    (__pyx_v_f_links_high[__pyx_v_i]) = -1;
+  }
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1457
+ *         # links that we care about (but then how to look up
+ *         # when we want to check something on the e side?)
+ *         i = 0             # <<<<<<<<<<<<<<
+ *         while i < num_links*2:
+ *             f_i = sent_links[i]
+ */
+  __pyx_v_i = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1458
+ *         # when we want to check something on the e side?)
+ *         i = 0
+ *         while i < num_links*2:             # <<<<<<<<<<<<<<
+ *             f_i = sent_links[i]
+ *             e_i = sent_links[i+1]
+ */
+  while (1) {
+    __pyx_t_7 = (__pyx_v_i < (__pyx_v_num_links * 2));
+    if (!__pyx_t_7) break;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1459
+ *         i = 0
+ *         while i < num_links*2:
+ *             f_i = sent_links[i]             # <<<<<<<<<<<<<<
+ *             e_i = sent_links[i+1]
+ *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:
+ */
+    __pyx_v_f_i = (__pyx_v_sent_links[__pyx_v_i]);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1460
+ *         while i < num_links*2:
+ *             f_i = sent_links[i]
+ *             e_i = sent_links[i+1]             # <<<<<<<<<<<<<<
+ *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:
+ *                 f_links_low[f_i] = e_i
+ */
+    __pyx_v_e_i = (__pyx_v_sent_links[(__pyx_v_i + 1)]);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1461
+ *             f_i = sent_links[i]
+ *             e_i = sent_links[i+1]
+ *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:             # <<<<<<<<<<<<<<
+ *                 f_links_low[f_i] = e_i
+ *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:
+ */
+    __pyx_t_7 = ((__pyx_v_f_links_low[__pyx_v_f_i]) == -1);
+    if (!__pyx_t_7) {
+      __pyx_t_8 = ((__pyx_v_f_links_low[__pyx_v_f_i]) > __pyx_v_e_i);
+      __pyx_t_9 = __pyx_t_8;
+    } else {
+      __pyx_t_9 = __pyx_t_7;
+    }
+    if (__pyx_t_9) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1462
+ *             e_i = sent_links[i+1]
+ *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:
+ *                 f_links_low[f_i] = e_i             # <<<<<<<<<<<<<<
+ *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:
+ *                 f_links_high[f_i] = e_i + 1
+ */
+      (__pyx_v_f_links_low[__pyx_v_f_i]) = __pyx_v_e_i;
+      goto __pyx_L14;
+    }
+    __pyx_L14:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1463
+ *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:
+ *                 f_links_low[f_i] = e_i
+ *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:             # <<<<<<<<<<<<<<
+ *                 f_links_high[f_i] = e_i + 1
+ *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:
+ */
+    __pyx_t_9 = ((__pyx_v_f_links_high[__pyx_v_f_i]) == -1);
+    if (!__pyx_t_9) {
+      __pyx_t_7 = ((__pyx_v_f_links_high[__pyx_v_f_i]) < (__pyx_v_e_i + 1));
+      __pyx_t_8 = __pyx_t_7;
+    } else {
+      __pyx_t_8 = __pyx_t_9;
+    }
+    if (__pyx_t_8) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1464
+ *                 f_links_low[f_i] = e_i
+ *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:
+ *                 f_links_high[f_i] = e_i + 1             # <<<<<<<<<<<<<<
+ *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:
+ *                 e_links_low[e_i] = f_i
+ */
+      (__pyx_v_f_links_high[__pyx_v_f_i]) = (__pyx_v_e_i + 1);
+      goto __pyx_L15;
+    }
+    __pyx_L15:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1465
+ *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:
+ *                 f_links_high[f_i] = e_i + 1
+ *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:             # <<<<<<<<<<<<<<
+ *                 e_links_low[e_i] = f_i
+ *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:
+ */
+    __pyx_t_8 = ((__pyx_v_e_links_low[__pyx_v_e_i]) == -1);
+    if (!__pyx_t_8) {
+      __pyx_t_9 = ((__pyx_v_e_links_low[__pyx_v_e_i]) > __pyx_v_f_i);
+      __pyx_t_7 = __pyx_t_9;
+    } else {
+      __pyx_t_7 = __pyx_t_8;
+    }
+    if (__pyx_t_7) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1466
+ *                 f_links_high[f_i] = e_i + 1
+ *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:
+ *                 e_links_low[e_i] = f_i             # <<<<<<<<<<<<<<
+ *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:
+ *                 e_links_high[e_i] = f_i + 1
+ */
+      (__pyx_v_e_links_low[__pyx_v_e_i]) = __pyx_v_f_i;
+      goto __pyx_L16;
+    }
+    __pyx_L16:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1467
+ *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:
+ *                 e_links_low[e_i] = f_i
+ *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:             # <<<<<<<<<<<<<<
+ *                 e_links_high[e_i] = f_i + 1
+ *             i = i + 2
+ */
+    __pyx_t_7 = ((__pyx_v_e_links_high[__pyx_v_e_i]) == -1);
+    if (!__pyx_t_7) {
+      __pyx_t_8 = ((__pyx_v_e_links_high[__pyx_v_e_i]) < (__pyx_v_f_i + 1));
+      __pyx_t_9 = __pyx_t_8;
+    } else {
+      __pyx_t_9 = __pyx_t_7;
+    }
+    if (__pyx_t_9) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1468
+ *                 e_links_low[e_i] = f_i
+ *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:
+ *                 e_links_high[e_i] = f_i + 1             # <<<<<<<<<<<<<<
+ *             i = i + 2
+ * 
+ */
+      (__pyx_v_e_links_high[__pyx_v_e_i]) = (__pyx_v_f_i + 1);
+      goto __pyx_L17;
+    }
+    __pyx_L17:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1469
+ *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:
+ *                 e_links_high[e_i] = f_i + 1
+ *             i = i + 2             # <<<<<<<<<<<<<<
+ * 
+ *         als = []
+ */
+    __pyx_v_i = (__pyx_v_i + 2);
+  }
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1471
+ *             i = i + 2
+ * 
+ *         als = []             # <<<<<<<<<<<<<<
+ *         for x in range(matching.start,matching.end):
+ *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])
+ */
+  __pyx_t_2 = PyList_New(0); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1471; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_v_als = __pyx_t_2;
+  __pyx_t_2 = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1472
+ * 
+ *         als = []
+ *         for x in range(matching.start,matching.end):             # <<<<<<<<<<<<<<
+ *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])
+ *             als.append(al)
+ */
+  __pyx_t_3 = __pyx_v_matching->end;
+  for (__pyx_t_4 = __pyx_v_matching->start; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
+    __pyx_v_x = __pyx_t_4;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1473
+ *         als = []
+ *         for x in range(matching.start,matching.end):
+ *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])             # <<<<<<<<<<<<<<
+ *             als.append(al)
+ *         # check all source-side alignment constraints
+ */
+    __pyx_t_2 = PyInt_FromLong(((__pyx_v_matching->arr[__pyx_v_x]) - __pyx_v_f_sent_start)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1473; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_1 = PyInt_FromLong((__pyx_v_f_links_low[((__pyx_v_matching->arr[__pyx_v_x]) - __pyx_v_f_sent_start)])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1473; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_10 = PyTuple_New(2); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1473; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_10);
+    PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_2);
+    __Pyx_GIVEREF(__pyx_t_2);
+    PyTuple_SET_ITEM(__pyx_t_10, 1, __pyx_t_1);
+    __Pyx_GIVEREF(__pyx_t_1);
+    __pyx_t_2 = 0;
+    __pyx_t_1 = 0;
+    __Pyx_XDECREF(((PyObject *)__pyx_v_al));
+    __pyx_v_al = __pyx_t_10;
+    __pyx_t_10 = 0;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1474
+ *         for x in range(matching.start,matching.end):
+ *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])
+ *             als.append(al)             # <<<<<<<<<<<<<<
+ *         # check all source-side alignment constraints
+ *         met_constraints = 1
+ */
+    __pyx_t_11 = PyList_Append(__pyx_v_als, ((PyObject *)__pyx_v_al)); if (unlikely(__pyx_t_11 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1476
+ *             als.append(al)
+ *         # check all source-side alignment constraints
+ *         met_constraints = 1             # <<<<<<<<<<<<<<
+ *         if self.require_aligned_terminal:
+ *             num_aligned_chunks = 0
+ */
+  __pyx_v_met_constraints = 1;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1477
+ *         # check all source-side alignment constraints
+ *         met_constraints = 1
+ *         if self.require_aligned_terminal:             # <<<<<<<<<<<<<<
+ *             num_aligned_chunks = 0
+ *             for i from 0 <= i < num_chunks:
+ */
+  if (__pyx_v_self->require_aligned_terminal) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1478
+ *         met_constraints = 1
+ *         if self.require_aligned_terminal:
+ *             num_aligned_chunks = 0             # <<<<<<<<<<<<<<
+ *             for i from 0 <= i < num_chunks:
+ *                 for j from 0 <= j < chunklen[i]:
+ */
+    __pyx_v_num_aligned_chunks = 0;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1479
+ *         if self.require_aligned_terminal:
+ *             num_aligned_chunks = 0
+ *             for i from 0 <= i < num_chunks:             # <<<<<<<<<<<<<<
+ *                 for j from 0 <= j < chunklen[i]:
+ *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
+ */
+    __pyx_t_3 = __pyx_v_num_chunks;
+    for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1480
+ *             num_aligned_chunks = 0
+ *             for i from 0 <= i < num_chunks:
+ *                 for j from 0 <= j < chunklen[i]:             # <<<<<<<<<<<<<<
+ *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
+ *                         num_aligned_chunks = num_aligned_chunks + 1
+ */
+      __pyx_t_4 = (__pyx_v_chunklen[__pyx_v_i]);
+      for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_4; __pyx_v_j++) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1481
+ *             for i from 0 <= i < num_chunks:
+ *                 for j from 0 <= j < chunklen[i]:
+ *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:             # <<<<<<<<<<<<<<
+ *                         num_aligned_chunks = num_aligned_chunks + 1
+ *                         break
+ */
+        __pyx_t_9 = ((__pyx_v_f_links_low[(((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + __pyx_v_j) - __pyx_v_f_sent_start)]) > -1);
+        if (__pyx_t_9) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1482
+ *                 for j from 0 <= j < chunklen[i]:
+ *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
+ *                         num_aligned_chunks = num_aligned_chunks + 1             # <<<<<<<<<<<<<<
+ *                         break
+ *             if num_aligned_chunks == 0:
+ */
+          __pyx_v_num_aligned_chunks = (__pyx_v_num_aligned_chunks + 1);
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1483
+ *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
+ *                         num_aligned_chunks = num_aligned_chunks + 1
+ *                         break             # <<<<<<<<<<<<<<
+ *             if num_aligned_chunks == 0:
+ *                 reason_for_failure = "No aligned terminals"
+ */
+          goto __pyx_L24_break;
+          goto __pyx_L25;
+        }
+        __pyx_L25:;
+      }
+      __pyx_L24_break:;
+    }
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1484
+ *                         num_aligned_chunks = num_aligned_chunks + 1
+ *                         break
+ *             if num_aligned_chunks == 0:             # <<<<<<<<<<<<<<
+ *                 reason_for_failure = "No aligned terminals"
+ *                 met_constraints = 0
+ */
+    __pyx_t_9 = (__pyx_v_num_aligned_chunks == 0);
+    if (__pyx_t_9) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1485
+ *                         break
+ *             if num_aligned_chunks == 0:
+ *                 reason_for_failure = "No aligned terminals"             # <<<<<<<<<<<<<<
+ *                 met_constraints = 0
+ *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
+ */
+      __Pyx_INCREF(((PyObject *)__pyx_kp_s_124));
+      __Pyx_DECREF(__pyx_v_reason_for_failure);
+      __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_124);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1486
+ *             if num_aligned_chunks == 0:
+ *                 reason_for_failure = "No aligned terminals"
+ *                 met_constraints = 0             # <<<<<<<<<<<<<<
+ *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
+ *                 reason_for_failure = "Unaligned chunk"
+ */
+      __pyx_v_met_constraints = 0;
+      goto __pyx_L26;
+    }
+    __pyx_L26:;
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1487
+ *                 reason_for_failure = "No aligned terminals"
+ *                 met_constraints = 0
+ *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:             # <<<<<<<<<<<<<<
+ *                 reason_for_failure = "Unaligned chunk"
+ *                 met_constraints = 0
+ */
+    if (__pyx_v_self->require_aligned_chunks) {
+      __pyx_t_9 = (__pyx_v_num_aligned_chunks < __pyx_v_num_chunks);
+      __pyx_t_7 = __pyx_t_9;
+    } else {
+      __pyx_t_7 = __pyx_v_self->require_aligned_chunks;
+    }
+    if (__pyx_t_7) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1488
+ *                 met_constraints = 0
+ *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
+ *                 reason_for_failure = "Unaligned chunk"             # <<<<<<<<<<<<<<
+ *                 met_constraints = 0
+ * 
+ */
+      __Pyx_INCREF(((PyObject *)__pyx_kp_s_125));
+      __Pyx_DECREF(__pyx_v_reason_for_failure);
+      __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_125);
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1489
+ *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
+ *                 reason_for_failure = "Unaligned chunk"
+ *                 met_constraints = 0             # <<<<<<<<<<<<<<
+ * 
+ *         if met_constraints and self.tight_phrases:
+ */
+      __pyx_v_met_constraints = 0;
+      goto __pyx_L27;
+    }
+    __pyx_L27:;
+    goto __pyx_L20;
+  }
+  __pyx_L20:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1491
+ *                 met_constraints = 0
+ * 
+ *         if met_constraints and self.tight_phrases:             # <<<<<<<<<<<<<<
+ *             # outside edge constraints are checked later
+ *             for i from 0 <= i < num_chunks-1:
+ */
+  if (__pyx_v_met_constraints) {
+    __pyx_t_7 = __pyx_v_self->tight_phrases;
+  } else {
+    __pyx_t_7 = __pyx_v_met_constraints;
+  }
+  if (__pyx_t_7) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1493
+ *         if met_constraints and self.tight_phrases:
+ *             # outside edge constraints are checked later
+ *             for i from 0 <= i < num_chunks-1:             # <<<<<<<<<<<<<<
+ *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:
+ *                     reason_for_failure = "Gaps are not tight phrases"
+ */
+    __pyx_t_12 = (__pyx_v_num_chunks - 1);
+    for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_12; __pyx_v_i++) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1494
+ *             # outside edge constraints are checked later
+ *             for i from 0 <= i < num_chunks-1:
+ *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:             # <<<<<<<<<<<<<<
+ *                     reason_for_failure = "Gaps are not tight phrases"
+ *                     met_constraints = 0
+ */
+      __pyx_t_7 = ((__pyx_v_f_links_low[(((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + (__pyx_v_chunklen[__pyx_v_i])) - __pyx_v_f_sent_start)]) == -1);
+      if (__pyx_t_7) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1495
+ *             for i from 0 <= i < num_chunks-1:
+ *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:
+ *                     reason_for_failure = "Gaps are not tight phrases"             # <<<<<<<<<<<<<<
+ *                     met_constraints = 0
+ *                     break
+ */
+        __Pyx_INCREF(((PyObject *)__pyx_kp_s_126));
+        __Pyx_DECREF(__pyx_v_reason_for_failure);
+        __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_126);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1496
+ *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:
+ *                     reason_for_failure = "Gaps are not tight phrases"
+ *                     met_constraints = 0             # <<<<<<<<<<<<<<
+ *                     break
+ *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:
+ */
+        __pyx_v_met_constraints = 0;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1497
+ *                     reason_for_failure = "Gaps are not tight phrases"
+ *                     met_constraints = 0
+ *                     break             # <<<<<<<<<<<<<<
+ *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:
+ *                     reason_for_failure = "Gaps are not tight phrases"
+ */
+        goto __pyx_L30_break;
+        goto __pyx_L31;
+      }
+      __pyx_L31:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1498
+ *                     met_constraints = 0
+ *                     break
+ *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:             # <<<<<<<<<<<<<<
+ *                     reason_for_failure = "Gaps are not tight phrases"
+ *                     met_constraints = 0
+ */
+      __pyx_t_7 = ((__pyx_v_f_links_low[(((__pyx_v_matching->arr[((__pyx_v_matching->start + __pyx_v_i) + 1)]) - 1) - __pyx_v_f_sent_start)]) == -1);
+      if (__pyx_t_7) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1499
+ *                     break
+ *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:
+ *                     reason_for_failure = "Gaps are not tight phrases"             # <<<<<<<<<<<<<<
+ *                     met_constraints = 0
+ *                     break
+ */
+        __Pyx_INCREF(((PyObject *)__pyx_kp_s_126));
+        __Pyx_DECREF(__pyx_v_reason_for_failure);
+        __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_126);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1500
+ *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:
+ *                     reason_for_failure = "Gaps are not tight phrases"
+ *                     met_constraints = 0             # <<<<<<<<<<<<<<
+ *                     break
+ * 
+ */
+        __pyx_v_met_constraints = 0;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1501
+ *                     reason_for_failure = "Gaps are not tight phrases"
+ *                     met_constraints = 0
+ *                     break             # <<<<<<<<<<<<<<
+ * 
+ *         f_low = matching.arr[matching.start] - f_sent_start
+ */
+        goto __pyx_L30_break;
+        goto __pyx_L32;
+      }
+      __pyx_L32:;
+    }
+    __pyx_L30_break:;
+    goto __pyx_L28;
+  }
+  __pyx_L28:;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1503
+ *                     break
+ * 
+ *         f_low = matching.arr[matching.start] - f_sent_start             # <<<<<<<<<<<<<<
+ *         f_high = matching.arr[matching.start + matching.size - 1] + chunklen[num_chunks-1] - f_sent_start
+ *         if met_constraints:
+ */
+  __pyx_v_f_low = ((__pyx_v_matching->arr[__pyx_v_matching->start]) - __pyx_v_f_sent_start);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1504
+ * 
+ *         f_low = matching.arr[matching.start] - f_sent_start
+ *         f_high = matching.arr[matching.start + matching.size - 1] + chunklen[num_chunks-1] - f_sent_start             # <<<<<<<<<<<<<<
+ *         if met_constraints:
+ * 
+ */
+  __pyx_v_f_high = (((__pyx_v_matching->arr[((__pyx_v_matching->start + __pyx_v_matching->size) - 1)]) + (__pyx_v_chunklen[(__pyx_v_num_chunks - 1)])) - __pyx_v_f_sent_start);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1505
+ *         f_low = matching.arr[matching.start] - f_sent_start
+ *         f_high = matching.arr[matching.start + matching.size - 1] + chunklen[num_chunks-1] - f_sent_start
+ *         if met_constraints:             # <<<<<<<<<<<<<<
+ * 
+ *             if self.find_fixpoint(f_low, f_high, f_links_low, f_links_high, e_links_low, e_links_high,
+ */
+  if (__pyx_v_met_constraints) {
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1507
+ *         if met_constraints:
+ * 
+ *             if self.find_fixpoint(f_low, f_high, f_links_low, f_links_high, e_links_low, e_links_high,             # <<<<<<<<<<<<<<
+ *                                 -1, -1, &e_low, &e_high, &f_back_low, &f_back_high, f_sent_len, e_sent_len,
+ *                                 self.train_max_initial_size, self.train_max_initial_size,
+ */
+    __pyx_t_10 = PyInt_FromLong(__pyx_v_f_high); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1507; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_10);
+
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1511
+ *                                 self.train_max_initial_size, self.train_max_initial_size,
+ *                                 self.train_min_gap_size, 0,
+ *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):             # <<<<<<<<<<<<<<
+ *                 gap_error = 0
+ *                 num_gaps = 0
+ */
+    __pyx_t_3 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_low, __pyx_t_10, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, (&__pyx_v_e_low), (&__pyx_v_e_high), (&__pyx_v_f_back_low), (&__pyx_v_f_back_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_min_gap_size, 0, ((__pyx_v_self->max_nonterminals - __pyx_v_num_chunks) + 1), 1, 1, 0, 0);
+    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+    if (__pyx_t_3) {
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1512
+ *                                 self.train_min_gap_size, 0,
+ *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):
+ *                 gap_error = 0             # <<<<<<<<<<<<<<
+ *                 num_gaps = 0
+ * 
+ */
+      __pyx_v_gap_error = 0;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1513
+ *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):
+ *                 gap_error = 0
+ *                 num_gaps = 0             # <<<<<<<<<<<<<<
+ * 
+ *                 if f_back_low < f_low:
+ */
+      __pyx_v_num_gaps = 0;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1515
+ *                 num_gaps = 0
+ * 
+ *                 if f_back_low < f_low:             # <<<<<<<<<<<<<<
+ *                     f_gap_low[0] = f_back_low
+ *                     f_gap_high[0] = f_low
+ */
+      __pyx_t_7 = (__pyx_v_f_back_low < __pyx_v_f_low);
+      if (__pyx_t_7) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1516
+ * 
+ *                 if f_back_low < f_low:
+ *                     f_gap_low[0] = f_back_low             # <<<<<<<<<<<<<<
+ *                     f_gap_high[0] = f_low
+ *                     num_gaps = 1
+ */
+        (__pyx_v_f_gap_low[0]) = __pyx_v_f_back_low;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1517
+ *                 if f_back_low < f_low:
+ *                     f_gap_low[0] = f_back_low
+ *                     f_gap_high[0] = f_low             # <<<<<<<<<<<<<<
+ *                     num_gaps = 1
+ *                     gap_start = 0
+ */
+        (__pyx_v_f_gap_high[0]) = __pyx_v_f_low;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1518
+ *                     f_gap_low[0] = f_back_low
+ *                     f_gap_high[0] = f_low
+ *                     num_gaps = 1             # <<<<<<<<<<<<<<
+ *                     gap_start = 0
+ *                     phrase_len = phrase_len+1
+ */
+        __pyx_v_num_gaps = 1;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1519
+ *                     f_gap_high[0] = f_low
+ *                     num_gaps = 1
+ *                     gap_start = 0             # <<<<<<<<<<<<<<
+ *                     phrase_len = phrase_len+1
+ *                     if phrase_len > self.max_length:
+ */
+        __pyx_v_gap_start = 0;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1520
+ *                     num_gaps = 1
+ *                     gap_start = 0
+ *                     phrase_len = phrase_len+1             # <<<<<<<<<<<<<<
+ *                     if phrase_len > self.max_length:
+ *                         gap_error = 1
+ */
+        __pyx_v_phrase_len = (__pyx_v_phrase_len + 1);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1521
+ *                     gap_start = 0
+ *                     phrase_len = phrase_len+1
+ *                     if phrase_len > self.max_length:             # <<<<<<<<<<<<<<
+ *                         gap_error = 1
+ *                     if self.tight_phrases:
+ */
+        __pyx_t_7 = (__pyx_v_phrase_len > __pyx_v_self->max_length);
+        if (__pyx_t_7) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1522
+ *                     phrase_len = phrase_len+1
+ *                     if phrase_len > self.max_length:
+ *                         gap_error = 1             # <<<<<<<<<<<<<<
+ *                     if self.tight_phrases:
+ *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
+ */
+          __pyx_v_gap_error = 1;
+          goto __pyx_L36;
+        }
+        __pyx_L36:;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1523
+ *                     if phrase_len > self.max_length:
+ *                         gap_error = 1
+ *                     if self.tight_phrases:             # <<<<<<<<<<<<<<
+ *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
+ *                             gap_error = 1
+ */
+        if (__pyx_v_self->tight_phrases) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1524
+ *                         gap_error = 1
+ *                     if self.tight_phrases:
+ *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:             # <<<<<<<<<<<<<<
+ *                             gap_error = 1
+ *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"
+ */
+          __pyx_t_7 = ((__pyx_v_f_links_low[__pyx_v_f_back_low]) == -1);
+          if (!__pyx_t_7) {
+            __pyx_t_9 = ((__pyx_v_f_links_low[(__pyx_v_f_low - 1)]) == -1);
+            __pyx_t_8 = __pyx_t_9;
+          } else {
+            __pyx_t_8 = __pyx_t_7;
+          }
+          if (__pyx_t_8) {
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1525
+ *                     if self.tight_phrases:
+ *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
+ *                             gap_error = 1             # <<<<<<<<<<<<<<
+ *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"
+ *                 else:
+ */
+            __pyx_v_gap_error = 1;
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1526
+ *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
+ *                             gap_error = 1
+ *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     gap_start = 1
+ */
+            __Pyx_INCREF(((PyObject *)__pyx_kp_s_127));
+            __Pyx_DECREF(__pyx_v_reason_for_failure);
+            __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_127);
+            goto __pyx_L38;
+          }
+          __pyx_L38:;
+          goto __pyx_L37;
+        }
+        __pyx_L37:;
+        goto __pyx_L35;
+      }
+      /*else*/ {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1528
+ *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"
+ *                 else:
+ *                     gap_start = 1             # <<<<<<<<<<<<<<
+ *                     if self.tight_phrases and f_links_low[f_low] == -1:
+ *                         # this is not a hard error.    we can't extract this phrase
+ */
+        __pyx_v_gap_start = 1;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1529
+ *                 else:
+ *                     gap_start = 1
+ *                     if self.tight_phrases and f_links_low[f_low] == -1:             # <<<<<<<<<<<<<<
+ *                         # this is not a hard error.    we can't extract this phrase
+ *                         # but we still might be able to extract a superphrase
+ */
+        if (__pyx_v_self->tight_phrases) {
+          __pyx_t_8 = ((__pyx_v_f_links_low[__pyx_v_f_low]) == -1);
+          __pyx_t_7 = __pyx_t_8;
+        } else {
+          __pyx_t_7 = __pyx_v_self->tight_phrases;
+        }
+        if (__pyx_t_7) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1532
+ *                         # this is not a hard error.    we can't extract this phrase
+ *                         # but we still might be able to extract a superphrase
+ *                         met_constraints = 0             # <<<<<<<<<<<<<<
+ * 
+ *                 for i from 0 <= i < matching.size - 1:
+ */
+          __pyx_v_met_constraints = 0;
+          goto __pyx_L39;
+        }
+        __pyx_L39:;
+      }
+      __pyx_L35:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1534
+ *                         met_constraints = 0
+ * 
+ *                 for i from 0 <= i < matching.size - 1:             # <<<<<<<<<<<<<<
+ *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start
+ *                     f_gap_high[1+i] = matching.arr[matching.start+i+1] - f_sent_start
+ */
+      __pyx_t_12 = (__pyx_v_matching->size - 1);
+      for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_12; __pyx_v_i++) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1535
+ * 
+ *                 for i from 0 <= i < matching.size - 1:
+ *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start             # <<<<<<<<<<<<<<
+ *                     f_gap_high[1+i] = matching.arr[matching.start+i+1] - f_sent_start
+ *                     num_gaps = num_gaps + 1
+ */
+        (__pyx_v_f_gap_low[(1 + __pyx_v_i)]) = (((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + (__pyx_v_chunklen[__pyx_v_i])) - __pyx_v_f_sent_start);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1536
+ *                 for i from 0 <= i < matching.size - 1:
+ *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start
+ *                     f_gap_high[1+i] = matching.arr[matching.start+i+1] - f_sent_start             # <<<<<<<<<<<<<<
+ *                     num_gaps = num_gaps + 1
+ * 
+ */
+        (__pyx_v_f_gap_high[(1 + __pyx_v_i)]) = ((__pyx_v_matching->arr[((__pyx_v_matching->start + __pyx_v_i) + 1)]) - __pyx_v_f_sent_start);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1537
+ *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start
+ *                     f_gap_high[1+i] = matching.arr[matching.start+i+1] - f_sent_start
+ *                     num_gaps = num_gaps + 1             # <<<<<<<<<<<<<<
+ * 
+ *                 if f_high < f_back_high:
+ */
+        __pyx_v_num_gaps = (__pyx_v_num_gaps + 1);
+      }
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1539
+ *                     num_gaps = num_gaps + 1
+ * 
+ *                 if f_high < f_back_high:             # <<<<<<<<<<<<<<
+ *                     f_gap_low[gap_start+num_gaps] = f_high
+ *                     f_gap_high[gap_start+num_gaps] = f_back_high
+ */
+      __pyx_t_7 = (__pyx_v_f_high < __pyx_v_f_back_high);
+      if (__pyx_t_7) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1540
+ * 
+ *                 if f_high < f_back_high:
+ *                     f_gap_low[gap_start+num_gaps] = f_high             # <<<<<<<<<<<<<<
+ *                     f_gap_high[gap_start+num_gaps] = f_back_high
+ *                     num_gaps = num_gaps + 1
+ */
+        (__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_num_gaps)]) = __pyx_v_f_high;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1541
+ *                 if f_high < f_back_high:
+ *                     f_gap_low[gap_start+num_gaps] = f_high
+ *                     f_gap_high[gap_start+num_gaps] = f_back_high             # <<<<<<<<<<<<<<
+ *                     num_gaps = num_gaps + 1
+ *                     phrase_len = phrase_len+1
+ */
+        (__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_num_gaps)]) = __pyx_v_f_back_high;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1542
+ *                     f_gap_low[gap_start+num_gaps] = f_high
+ *                     f_gap_high[gap_start+num_gaps] = f_back_high
+ *                     num_gaps = num_gaps + 1             # <<<<<<<<<<<<<<
+ *                     phrase_len = phrase_len+1
+ *                     if phrase_len > self.max_length:
+ */
+        __pyx_v_num_gaps = (__pyx_v_num_gaps + 1);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1543
+ *                     f_gap_high[gap_start+num_gaps] = f_back_high
+ *                     num_gaps = num_gaps + 1
+ *                     phrase_len = phrase_len+1             # <<<<<<<<<<<<<<
+ *                     if phrase_len > self.max_length:
+ *                         gap_error = 1
+ */
+        __pyx_v_phrase_len = (__pyx_v_phrase_len + 1);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1544
+ *                     num_gaps = num_gaps + 1
+ *                     phrase_len = phrase_len+1
+ *                     if phrase_len > self.max_length:             # <<<<<<<<<<<<<<
+ *                         gap_error = 1
+ *                     if self.tight_phrases:
+ */
+        __pyx_t_7 = (__pyx_v_phrase_len > __pyx_v_self->max_length);
+        if (__pyx_t_7) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1545
+ *                     phrase_len = phrase_len+1
+ *                     if phrase_len > self.max_length:
+ *                         gap_error = 1             # <<<<<<<<<<<<<<
+ *                     if self.tight_phrases:
+ *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
+ */
+          __pyx_v_gap_error = 1;
+          goto __pyx_L43;
+        }
+        __pyx_L43:;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1546
+ *                     if phrase_len > self.max_length:
+ *                         gap_error = 1
+ *                     if self.tight_phrases:             # <<<<<<<<<<<<<<
+ *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
+ *                             gap_error = 1
+ */
+        if (__pyx_v_self->tight_phrases) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1547
+ *                         gap_error = 1
+ *                     if self.tight_phrases:
+ *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:             # <<<<<<<<<<<<<<
+ *                             gap_error = 1
+ *                             reason_for_failure = "Inside edges of following subphrase are not tight"
+ */
+          __pyx_t_7 = ((__pyx_v_f_links_low[(__pyx_v_f_back_high - 1)]) == -1);
+          if (!__pyx_t_7) {
+            __pyx_t_8 = ((__pyx_v_f_links_low[__pyx_v_f_high]) == -1);
+            __pyx_t_9 = __pyx_t_8;
+          } else {
+            __pyx_t_9 = __pyx_t_7;
+          }
+          if (__pyx_t_9) {
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1548
+ *                     if self.tight_phrases:
+ *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
+ *                             gap_error = 1             # <<<<<<<<<<<<<<
+ *                             reason_for_failure = "Inside edges of following subphrase are not tight"
+ *                 else:
+ */
+            __pyx_v_gap_error = 1;
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1549
+ *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
+ *                             gap_error = 1
+ *                             reason_for_failure = "Inside edges of following subphrase are not tight"             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     if self.tight_phrases and f_links_low[f_high-1] == -1:
+ */
+            __Pyx_INCREF(((PyObject *)__pyx_kp_s_128));
+            __Pyx_DECREF(__pyx_v_reason_for_failure);
+            __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_128);
+            goto __pyx_L45;
+          }
+          __pyx_L45:;
+          goto __pyx_L44;
+        }
+        __pyx_L44:;
+        goto __pyx_L42;
+      }
+      /*else*/ {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1551
+ *                             reason_for_failure = "Inside edges of following subphrase are not tight"
+ *                 else:
+ *                     if self.tight_phrases and f_links_low[f_high-1] == -1:             # <<<<<<<<<<<<<<
+ *                         met_constraints = 0
+ * 
+ */
+        if (__pyx_v_self->tight_phrases) {
+          __pyx_t_9 = ((__pyx_v_f_links_low[(__pyx_v_f_high - 1)]) == -1);
+          __pyx_t_7 = __pyx_t_9;
+        } else {
+          __pyx_t_7 = __pyx_v_self->tight_phrases;
+        }
+        if (__pyx_t_7) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1552
+ *                 else:
+ *                     if self.tight_phrases and f_links_low[f_high-1] == -1:
+ *                         met_constraints = 0             # <<<<<<<<<<<<<<
+ * 
+ *                 if gap_error == 0:
+ */
+          __pyx_v_met_constraints = 0;
+          goto __pyx_L46;
+        }
+        __pyx_L46:;
+      }
+      __pyx_L42:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1554
+ *                         met_constraints = 0
+ * 
+ *                 if gap_error == 0:             # <<<<<<<<<<<<<<
+ *                     e_word_count = e_high - e_low
+ *                     for i from 0 <= i < num_gaps: # check integrity of subphrases
+ */
+      __pyx_t_7 = (__pyx_v_gap_error == 0);
+      if (__pyx_t_7) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1555
+ * 
+ *                 if gap_error == 0:
+ *                     e_word_count = e_high - e_low             # <<<<<<<<<<<<<<
+ *                     for i from 0 <= i < num_gaps: # check integrity of subphrases
+ *                         if self.find_fixpoint(f_gap_low[gap_start+i], f_gap_high[gap_start+i],
+ */
+        __pyx_v_e_word_count = (__pyx_v_e_high - __pyx_v_e_low);
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1556
+ *                 if gap_error == 0:
+ *                     e_word_count = e_high - e_low
+ *                     for i from 0 <= i < num_gaps: # check integrity of subphrases             # <<<<<<<<<<<<<<
+ *                         if self.find_fixpoint(f_gap_low[gap_start+i], f_gap_high[gap_start+i],
+ *                                             f_links_low, f_links_high, e_links_low, e_links_high,
+ */
+        __pyx_t_3 = __pyx_v_num_gaps;
+        for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1557
+ *                     e_word_count = e_high - e_low
+ *                     for i from 0 <= i < num_gaps: # check integrity of subphrases
+ *                         if self.find_fixpoint(f_gap_low[gap_start+i], f_gap_high[gap_start+i],             # <<<<<<<<<<<<<<
+ *                                             f_links_low, f_links_high, e_links_low, e_links_high,
+ *                                             -1, -1, e_gap_low+gap_start+i, e_gap_high+gap_start+i,
+ */
+          __pyx_t_10 = PyInt_FromLong((__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1557; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_10);
+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1562
+ *                                             f_gap_low+gap_start+i, f_gap_high+gap_start+i,
+ *                                             f_sent_len, e_sent_len,
+ *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
+ *                                             0, 0, 0, 0, 0, 0, 0) == 0:
+ *                             gap_error = 1
+ */
+          __pyx_t_7 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, (__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_i)]), __pyx_t_10, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, ((__pyx_v_e_gap_low + __pyx_v_gap_start) + __pyx_v_i), ((__pyx_v_e_gap_high + __pyx_v_gap_start) + __pyx_v_i), ((__pyx_v_f_gap_low + __pyx_v_gap_start) + __pyx_v_i), ((__pyx_v_f_gap_high + __pyx_v_gap_start) + __pyx_v_i), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0) == 0);
+          __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+          if (__pyx_t_7) {
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1564
+ *                                             self.train_max_initial_size, self.train_max_initial_size,
+ *                                             0, 0, 0, 0, 0, 0, 0) == 0:
+ *                             gap_error = 1             # <<<<<<<<<<<<<<
+ *                             reason_for_failure = "Subphrase [%d, %d] failed integrity check" % (f_gap_low[gap_start+i], f_gap_high[gap_start+i])
+ *                             break
+ */
+            __pyx_v_gap_error = 1;
+
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+ *                             break
+ * 
+ */
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+            __Pyx_GOTREF(__pyx_t_10);
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+            __Pyx_GOTREF(__pyx_t_1);
+            __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1565; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_2);
+            PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_10);
+            __Pyx_GIVEREF(__pyx_t_10);
+            PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_t_1);
+            __Pyx_GIVEREF(__pyx_t_1);
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+            __pyx_t_1 = 0;
+            __pyx_t_1 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_129), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1565; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(((PyObject *)__pyx_t_1));
+            __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+            __Pyx_DECREF(__pyx_v_reason_for_failure);
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+            __pyx_t_1 = 0;
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+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1566
+ *                             gap_error = 1
+ *                             reason_for_failure = "Subphrase [%d, %d] failed integrity check" % (f_gap_low[gap_start+i], f_gap_high[gap_start+i])
+ *                             break             # <<<<<<<<<<<<<<
+ * 
+ *                 if gap_error == 0:
+ */
+            goto __pyx_L49_break;
+            goto __pyx_L50;
+          }
+          __pyx_L50:;
+        }
+        __pyx_L49_break:;
+        goto __pyx_L47;
+      }
+      __pyx_L47:;
+
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1568
+ *                             break
+ * 
+ *                 if gap_error == 0:             # <<<<<<<<<<<<<<
+ *                     i = 1
+ *                     self.findexes.reset()
+ */
+      __pyx_t_7 = (__pyx_v_gap_error == 0);
+      if (__pyx_t_7) {
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1569
+ * 
+ *                 if gap_error == 0:
+ *                     i = 1             # <<<<<<<<<<<<<<
+ *                     self.findexes.reset()
+ *                     if f_back_low < f_low:
+ */
+        __pyx_v_i = 1;
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1570
+ *                 if gap_error == 0:
+ *                     i = 1
+ *                     self.findexes.reset()             # <<<<<<<<<<<<<<
+ *                     if f_back_low < f_low:
+ *                         fphr_arr._append(sym_setindex(self.category, i))
+ */
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+        __Pyx_GOTREF(__pyx_t_1);
+        __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1570; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_2);
+        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
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+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1571
+ *                     i = 1
+ *                     self.findexes.reset()
+ *                     if f_back_low < f_low:             # <<<<<<<<<<<<<<
+ *                         fphr_arr._append(sym_setindex(self.category, i))
+ *                         i = i+1
+ */
+        __pyx_t_7 = (__pyx_v_f_back_low < __pyx_v_f_low);
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+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1572
+ *                     self.findexes.reset()
+ *                     if f_back_low < f_low:
+ *                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                         i = i+1
+ *                         self.findexes.append(sym_setindex(self.category, i))
+ */
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+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1573
+ *                     if f_back_low < f_low:
+ *                         fphr_arr._append(sym_setindex(self.category, i))
+ *                         i = i+1             # <<<<<<<<<<<<<<
+ *                         self.findexes.append(sym_setindex(self.category, i))
+ *                     self.findexes.extend(self.findexes1)
+ */
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+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1574
+ *                         fphr_arr._append(sym_setindex(self.category, i))
+ *                         i = i+1
+ *                         self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                     self.findexes.extend(self.findexes1)
+ *                     for j from 0 <= j < phrase.n:
+ */
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+          __Pyx_GOTREF(__pyx_t_2);
+          __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1574; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_1);
+          __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+          __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
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+        }
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+ *                         i = i+1
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+ *                     self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
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+ *                         if sym_isvar(phrase.syms[j]):
+ */
+        __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1575; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+        __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1575; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_2);
+        __Pyx_INCREF(((PyObject *)__pyx_v_self->findexes1));
+        PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_v_self->findexes1));
+        __Pyx_GIVEREF(((PyObject *)__pyx_v_self->findexes1));
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+        __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+        __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
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+ *                         if sym_isvar(phrase.syms[j]):
+ *                             fphr_arr._append(sym_setindex(self.category, i))
+ */
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+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1577
+ *                     self.findexes.extend(self.findexes1)
+ *                     for j from 0 <= j < phrase.n:
+ *                         if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
+ *                             fphr_arr._append(sym_setindex(self.category, i))
+ *                             i = i + 1
+ */
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+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1578
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+ *                         if sym_isvar(phrase.syms[j]):
+ *                             fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                             i = i + 1
+ *                         else:
+ */
+            ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
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+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1579
+ *                         if sym_isvar(phrase.syms[j]):
+ *                             fphr_arr._append(sym_setindex(self.category, i))
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+ *                             fphr_arr._append(phrase.syms[j])
+ */
+            __pyx_v_i = (__pyx_v_i + 1);
+            goto __pyx_L55;
+          }
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+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1581
+ *                             i = i + 1
+ *                         else:
+ *                             fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
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+ *                         fphr_arr._append(sym_setindex(self.category, i))
+ */
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+          }
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+        }
+
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1582
+ *                         else:
+ *                             fphr_arr._append(phrase.syms[j])
+ *                     if f_back_high > f_high:             # <<<<<<<<<<<<<<
+ *                         fphr_arr._append(sym_setindex(self.category, i))
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+        __pyx_t_7 = (__pyx_v_f_back_high > __pyx_v_f_high);
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+ *                             fphr_arr._append(phrase.syms[j])
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+ *                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                         self.findexes.append(sym_setindex(self.category, i))
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+ */
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+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1584
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+          __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
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+ */
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+        __Pyx_GOTREF(__pyx_t_2);
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+        PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_v_fphr_arr));
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+ *                     fphr = Phrase(fphr_arr)
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+ *                                             f_back_low, f_back_high, f_gap_low + gap_start, f_gap_high + gap_start, f_links_low,
+ */
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+
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1590
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+ *                                             f_back_low, f_back_high, f_gap_low + gap_start, f_gap_high + gap_start, f_links_low,
+ *                                             matching.sent_id, e_sent_len, e_sent_start)             # <<<<<<<<<<<<<<
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+ */
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+
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+ *                                             matching.sent_id, e_sent_len, e_sent_start)
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+
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+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1612
+ *                                     f_x_low = f_x_low - 1
+ *                             if f_x_low < 0 or f_back_high - f_x_low > self.train_max_initial_size:
+ *                                 met_constraints = 0             # <<<<<<<<<<<<<<
+ * 
+ *                             if (met_constraints and
+ */
+              __pyx_v_met_constraints = 0;
+              goto __pyx_L68;
+            }
+            __pyx_L68:;
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1614
+ *                                 met_constraints = 0
+ * 
+ *                             if (met_constraints and             # <<<<<<<<<<<<<<
+ *                                 self.find_fixpoint(f_x_low, f_back_high,
+ *                                             f_links_low, f_links_high, e_links_low, e_links_high,
+ */
+            if (__pyx_v_met_constraints) {
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1615
+ * 
+ *                             if (met_constraints and
+ *                                 self.find_fixpoint(f_x_low, f_back_high,             # <<<<<<<<<<<<<<
+ *                                             f_links_low, f_links_high, e_links_low, e_links_high,
+ *                                             e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
+ */
+              __pyx_t_14 = PyInt_FromLong(__pyx_v_f_back_high); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1615; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1619
+ *                                             e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
+ *                                             f_sent_len, e_sent_len,
+ *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
+ *                                             1, 1, 1, 1, 0, 1, 0) and
+ *                                 ((not self.tight_phrases) or f_links_low[f_x_low] != -1) and
+ */
+              if (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_14, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 1, 0, 1, 0)) {
+                __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1621
+ *                                             self.train_max_initial_size, self.train_max_initial_size,
+ *                                             1, 1, 1, 1, 0, 1, 0) and
+ *                                 ((not self.tight_phrases) or f_links_low[f_x_low] != -1) and             # <<<<<<<<<<<<<<
+ *                                 self.find_fixpoint(f_x_low, f_low,    # check integrity of new subphrase
+ *                                             f_links_low, f_links_high, e_links_low, e_links_high,
+ */
+                __pyx_t_9 = (!__pyx_v_self->tight_phrases);
+                if (!__pyx_t_9) {
+                  __pyx_t_18 = ((__pyx_v_f_links_low[__pyx_v_f_x_low]) != -1);
+                  __pyx_t_7 = __pyx_t_18;
+                } else {
+                  __pyx_t_7 = __pyx_t_9;
+                }
+                if (__pyx_t_7) {
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1622
+ *                                             1, 1, 1, 1, 0, 1, 0) and
+ *                                 ((not self.tight_phrases) or f_links_low[f_x_low] != -1) and
+ *                                 self.find_fixpoint(f_x_low, f_low,    # check integrity of new subphrase             # <<<<<<<<<<<<<<
+ *                                             f_links_low, f_links_high, e_links_low, e_links_high,
+ *                                             -1, -1, e_gap_low, e_gap_high, f_gap_low, f_gap_high,
+ */
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+                  __Pyx_GOTREF(__pyx_t_1);
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1626
+ *                                             -1, -1, e_gap_low, e_gap_high, f_gap_low, f_gap_high,
+ *                                             f_sent_len, e_sent_len,
+ *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
+ *                                             0, 0, 0, 0, 0, 0, 0)):
+ *                                 fphr_arr._clear()
+ */
+                  __pyx_t_9 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_1, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0);
+                  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+                } else {
+                  __pyx_t_9 = __pyx_t_7;
+                }
+                __pyx_t_7 = __pyx_t_9;
+              } else {
+                __pyx_t_7 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_14, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 1, 0, 1, 0);
+                __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+              }
+              __pyx_t_9 = __pyx_t_7;
+            } else {
+              __pyx_t_9 = __pyx_v_met_constraints;
+            }
+            if (__pyx_t_9) {
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1628
+ *                                             self.train_max_initial_size, self.train_max_initial_size,
+ *                                             0, 0, 0, 0, 0, 0, 0)):
+ *                                 fphr_arr._clear()             # <<<<<<<<<<<<<<
+ *                                 i = 1
+ *                                 self.findexes.reset()
+ */
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_clear(__pyx_v_fphr_arr);
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1629
+ *                                             0, 0, 0, 0, 0, 0, 0)):
+ *                                 fphr_arr._clear()
+ *                                 i = 1             # <<<<<<<<<<<<<<
+ *                                 self.findexes.reset()
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ */
+              __pyx_v_i = 1;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1630
+ *                                 fphr_arr._clear()
+ *                                 i = 1
+ *                                 self.findexes.reset()             # <<<<<<<<<<<<<<
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ */
+              __pyx_t_14 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1630; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
+              __pyx_t_1 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1630; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1631
+ *                                 i = 1
+ *                                 self.findexes.reset()
+ *                                 self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ *                                 i = i+1
+ */
+              __pyx_t_1 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1631; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __pyx_t_14 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1631; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+              __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1632
+ *                                 self.findexes.reset()
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                 i = i+1
+ *                                 self.findexes.extend(self.findexes1)
+ */
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1633
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ *                                 i = i+1             # <<<<<<<<<<<<<<
+ *                                 self.findexes.extend(self.findexes1)
+ *                                 for j from 0 <= j < phrase.n:
+ */
+              __pyx_v_i = (__pyx_v_i + 1);
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1634
+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ *                                 i = i+1
+ *                                 self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
+ *                                 for j from 0 <= j < phrase.n:
+ *                                     if sym_isvar(phrase.syms[j]):
+ */
+              __pyx_t_14 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1634; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
+              __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1634; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __Pyx_INCREF(((PyObject *)__pyx_v_self->findexes1));
+              PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_self->findexes1));
+              __Pyx_GIVEREF(((PyObject *)__pyx_v_self->findexes1));
+              __pyx_t_15 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1634; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_15);
+              __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+              __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+              __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1635
+ *                                 i = i+1
+ *                                 self.findexes.extend(self.findexes1)
+ *                                 for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
+ *                                     if sym_isvar(phrase.syms[j]):
+ *                                         fphr_arr._append(sym_setindex(self.category, i))
+ */
+              __pyx_t_3 = __pyx_v_phrase->n;
+              for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_3; __pyx_v_j++) {
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1636
+ *                                 self.findexes.extend(self.findexes1)
+ *                                 for j from 0 <= j < phrase.n:
+ *                                     if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
+ *                                         fphr_arr._append(sym_setindex(self.category, i))
+ *                                         i = i + 1
+ */
+                __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_phrase->syms[__pyx_v_j]));
+                if (__pyx_t_4) {
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1637
+ *                                 for j from 0 <= j < phrase.n:
+ *                                     if sym_isvar(phrase.syms[j]):
+ *                                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                         i = i + 1
+ *                                     else:
+ */
+                  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1638
+ *                                     if sym_isvar(phrase.syms[j]):
+ *                                         fphr_arr._append(sym_setindex(self.category, i))
+ *                                         i = i + 1             # <<<<<<<<<<<<<<
+ *                                     else:
+ *                                         fphr_arr._append(phrase.syms[j])
+ */
+                  __pyx_v_i = (__pyx_v_i + 1);
+                  goto __pyx_L72;
+                }
+                /*else*/ {
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1640
+ *                                         i = i + 1
+ *                                     else:
+ *                                         fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
+ *                                 if f_back_high > f_high:
+ *                                     fphr_arr._append(sym_setindex(self.category, i))
+ */
+                  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, (__pyx_v_phrase->syms[__pyx_v_j]));
+                }
+                __pyx_L72:;
+              }
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1641
+ *                                     else:
+ *                                         fphr_arr._append(phrase.syms[j])
+ *                                 if f_back_high > f_high:             # <<<<<<<<<<<<<<
+ *                                     fphr_arr._append(sym_setindex(self.category, i))
+ *                                     self.findexes.append(sym_setindex(self.category, i))
+ */
+              __pyx_t_9 = (__pyx_v_f_back_high > __pyx_v_f_high);
+              if (__pyx_t_9) {
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1642
+ *                                         fphr_arr._append(phrase.syms[j])
+ *                                 if f_back_high > f_high:
+ *                                     fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                     self.findexes.append(sym_setindex(self.category, i))
+ *                                 fphr = Phrase(fphr_arr)
+ */
+                ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1643
+ *                                 if f_back_high > f_high:
+ *                                     fphr_arr._append(sym_setindex(self.category, i))
+ *                                     self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                 fphr = Phrase(fphr_arr)
+ *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+1,
+ */
+                __pyx_t_15 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1643; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_15);
+                __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_15); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1643; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_1);
+                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+                __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+                goto __pyx_L73;
+              }
+              __pyx_L73:;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1644
+ *                                     fphr_arr._append(sym_setindex(self.category, i))
+ *                                     self.findexes.append(sym_setindex(self.category, i))
+ *                                 fphr = Phrase(fphr_arr)             # <<<<<<<<<<<<<<
+ *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+1,
+ *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low, matching.sent_id,
+ */
+              __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1644; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __Pyx_INCREF(((PyObject *)__pyx_v_fphr_arr));
+              PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_fphr_arr));
+              __Pyx_GIVEREF(((PyObject *)__pyx_v_fphr_arr));
+              __pyx_t_15 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1644; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_15);
+              __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+              __Pyx_DECREF(((PyObject *)__pyx_v_fphr));
+              __pyx_v_fphr = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_15);
+              __pyx_t_15 = 0;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1647
+ *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+1,
+ *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low, matching.sent_id,
+ *                                                     e_sent_len, e_sent_start)             # <<<<<<<<<<<<<<
+ *                                 if len(phrase_list) > 0:
+ *                                     pair_count = 1.0 / len(phrase_list)
+ */
+              __pyx_t_15 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_e_links_low, (__pyx_v_num_gaps + 1), __pyx_v_f_x_low, __pyx_v_f_x_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1645; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_15);
+              __Pyx_XDECREF(__pyx_v_phrase_list);
+              __pyx_v_phrase_list = __pyx_t_15;
+              __pyx_t_15 = 0;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1648
+ *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low, matching.sent_id,
+ *                                                     e_sent_len, e_sent_start)
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+              __pyx_t_9 = (__pyx_t_13 > 0);
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+ *                                                     e_sent_len, e_sent_start)
+ *                                 if len(phrase_list) > 0:
+ *                                     pair_count = 1.0 / len(phrase_list)             # <<<<<<<<<<<<<<
+ *                                 else:
+ *                                     pair_count = 0
+ */
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+ *                                     pair_count = 0             # <<<<<<<<<<<<<<
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+ *                                     als2 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
+ */
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+              }
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+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1652
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+ *                                     pair_count = 0
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+ *                                     als2 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
+ *                                     extracts.append((fphr, phrase2, pair_count, tuple(als2)))
+ */
+              if (PyList_CheckExact(__pyx_v_phrase_list) || PyTuple_CheckExact(__pyx_v_phrase_list)) {
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+                __Pyx_GOTREF(__pyx_t_15);
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+                  __pyx_t_1 = PyList_GET_ITEM(__pyx_t_15, __pyx_t_13); __Pyx_INCREF(__pyx_t_1); __pyx_t_13++;
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+                  #endif
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+                if ((likely(PyTuple_CheckExact(__pyx_t_1))) || (PyList_CheckExact(__pyx_t_1))) {
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+                  Py_ssize_t size = Py_SIZE(sequence);
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+                  #endif
+                  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
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+                  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
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+                __Pyx_XDECREF(__pyx_v_phrase2);
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+                __Pyx_XDECREF(__pyx_v_eindexes);
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+ *                                     pair_count = 0
+ *                                 for phrase2,eindexes in phrase_list:
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+ *                                     extracts.append((fphr, phrase2, pair_count, tuple(als2)))
+ * 
+ */
+                __pyx_t_1 = ((PyObject *)__pyx_v_self->findexes);
+                __Pyx_INCREF(__pyx_t_1);
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+ *                                     als2 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
+ *                                     extracts.append((fphr, phrase2, pair_count, tuple(als2)))             # <<<<<<<<<<<<<<
+ * 
+ *                         if (f_back_high == f_high and
+ */
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+                __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1654; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_1);
+                __Pyx_INCREF(__pyx_v_als2);
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+                __Pyx_GIVEREF(__pyx_v_als2);
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+                __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
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+ *                             ((not self.tight_phrases) or (f_links_low[f_high] != -1 and f_links_low[f_back_low] != -1))):
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+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1663
+ *                             if self.tight_phrases:
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+ *                                 met_constraints = 0
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+ *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
+ *                                     f_x_high = f_x_high + 1
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+ *                                 met_constraints = 0
+ * 
+ */
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+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1665
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+ *                             if f_x_high > f_sent_len or f_x_high - f_back_low > self.train_max_initial_size:
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+ * 
+ *                             if (met_constraints and
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+ *                                 met_constraints = 0
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+ *                                 self.find_fixpoint(f_back_low, f_x_high,
+ *                                             f_links_low, f_links_high, e_links_low, e_links_high,
+ */
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+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1668
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+ *                                 self.find_fixpoint(f_back_low, f_x_high,             # <<<<<<<<<<<<<<
+ *                                             f_links_low, f_links_high, e_links_low, e_links_high,
+ *                                             e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
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+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1672
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+ *                                             f_sent_len, e_sent_len,
+ *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
+ *                                             1, 1, 1, 0, 1, 1, 0) and
+ *                                 ((not self.tight_phrases) or f_links_low[f_x_high-1] != -1) and
+ */
+              if (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_back_low, __pyx_t_15, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 0, 1, 1, 0)) {
+                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1674
+ *                                             self.train_max_initial_size, self.train_max_initial_size,
+ *                                             1, 1, 1, 0, 1, 1, 0) and
+ *                                 ((not self.tight_phrases) or f_links_low[f_x_high-1] != -1) and             # <<<<<<<<<<<<<<
+ *                                 self.find_fixpoint(f_high, f_x_high,
+ *                                             f_links_low, f_links_high, e_links_low, e_links_high,
+ */
+                __pyx_t_9 = (!__pyx_v_self->tight_phrases);
+                if (!__pyx_t_9) {
+                  __pyx_t_18 = ((__pyx_v_f_links_low[(__pyx_v_f_x_high - 1)]) != -1);
+                  __pyx_t_7 = __pyx_t_18;
+                } else {
+                  __pyx_t_7 = __pyx_t_9;
+                }
+                if (__pyx_t_7) {
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1675
+ *                                             1, 1, 1, 0, 1, 1, 0) and
+ *                                 ((not self.tight_phrases) or f_links_low[f_x_high-1] != -1) and
+ *                                 self.find_fixpoint(f_high, f_x_high,             # <<<<<<<<<<<<<<
+ *                                             f_links_low, f_links_high, e_links_low, e_links_high,
+ *                                             -1, -1, e_gap_low+gap_start+num_gaps, e_gap_high+gap_start+num_gaps,
+ */
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+                  __Pyx_GOTREF(__pyx_t_14);
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1680
+ *                                             f_gap_low+gap_start+num_gaps, f_gap_high+gap_start+num_gaps,
+ *                                             f_sent_len, e_sent_len,
+ *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
+ *                                             0, 0, 0, 0, 0, 0, 0)):
+ *                                 fphr_arr._clear()
+ */
+                  __pyx_t_9 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_high, __pyx_t_14, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, ((__pyx_v_e_gap_low + __pyx_v_gap_start) + __pyx_v_num_gaps), ((__pyx_v_e_gap_high + __pyx_v_gap_start) + __pyx_v_num_gaps), ((__pyx_v_f_gap_low + __pyx_v_gap_start) + __pyx_v_num_gaps), ((__pyx_v_f_gap_high + __pyx_v_gap_start) + __pyx_v_num_gaps), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0);
+                  __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+                } else {
+                  __pyx_t_9 = __pyx_t_7;
+                }
+                __pyx_t_7 = __pyx_t_9;
+              } else {
+                __pyx_t_7 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_back_low, __pyx_t_15, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 0, 1, 1, 0);
+                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+              }
+              __pyx_t_9 = __pyx_t_7;
+            } else {
+              __pyx_t_9 = __pyx_v_met_constraints;
+            }
+            if (__pyx_t_9) {
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1682
+ *                                             self.train_max_initial_size, self.train_max_initial_size,
+ *                                             0, 0, 0, 0, 0, 0, 0)):
+ *                                 fphr_arr._clear()             # <<<<<<<<<<<<<<
+ *                                 i = 1
+ *                                 self.findexes.reset()
+ */
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_clear(__pyx_v_fphr_arr);
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1683
+ *                                             0, 0, 0, 0, 0, 0, 0)):
+ *                                 fphr_arr._clear()
+ *                                 i = 1             # <<<<<<<<<<<<<<
+ *                                 self.findexes.reset()
+ *                                 if f_back_low < f_low:
+ */
+              __pyx_v_i = 1;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1684
+ *                                 fphr_arr._clear()
+ *                                 i = 1
+ *                                 self.findexes.reset()             # <<<<<<<<<<<<<<
+ *                                 if f_back_low < f_low:
+ *                                     fphr_arr._append(sym_setindex(self.category, i))
+ */
+              __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1684; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_15);
+              __pyx_t_14 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1684; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
+              __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+              __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1685
+ *                                 i = 1
+ *                                 self.findexes.reset()
+ *                                 if f_back_low < f_low:             # <<<<<<<<<<<<<<
+ *                                     fphr_arr._append(sym_setindex(self.category, i))
+ *                                     i = i+1
+ */
+              __pyx_t_9 = (__pyx_v_f_back_low < __pyx_v_f_low);
+              if (__pyx_t_9) {
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1686
+ *                                 self.findexes.reset()
+ *                                 if f_back_low < f_low:
+ *                                     fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                     i = i+1
+ *                                     self.findexes.append(sym_setindex(self.category, i))
+ */
+                ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1687
+ *                                 if f_back_low < f_low:
+ *                                     fphr_arr._append(sym_setindex(self.category, i))
+ *                                     i = i+1             # <<<<<<<<<<<<<<
+ *                                     self.findexes.append(sym_setindex(self.category, i))
+ *                                 self.findexes.extend(self.findexes1)
+ */
+                __pyx_v_i = (__pyx_v_i + 1);
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1688
+ *                                     fphr_arr._append(sym_setindex(self.category, i))
+ *                                     i = i+1
+ *                                     self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                 self.findexes.extend(self.findexes1)
+ *                                 for j from 0 <= j < phrase.n:
+ */
+                __pyx_t_14 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1688; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_14);
+                __pyx_t_15 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_14); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1688; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_15);
+                __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+                goto __pyx_L85;
+              }
+              __pyx_L85:;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1689
+ *                                     i = i+1
+ *                                     self.findexes.append(sym_setindex(self.category, i))
+ *                                 self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
+ *                                 for j from 0 <= j < phrase.n:
+ *                                     if sym_isvar(phrase.syms[j]):
+ */
+              __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1689; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_15);
+              __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1689; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
+              __Pyx_INCREF(((PyObject *)__pyx_v_self->findexes1));
+              PyTuple_SET_ITEM(__pyx_t_14, 0, ((PyObject *)__pyx_v_self->findexes1));
+              __Pyx_GIVEREF(((PyObject *)__pyx_v_self->findexes1));
+              __pyx_t_1 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1689; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+              __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1690
+ *                                     self.findexes.append(sym_setindex(self.category, i))
+ *                                 self.findexes.extend(self.findexes1)
+ *                                 for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
+ *                                     if sym_isvar(phrase.syms[j]):
+ *                                         fphr_arr._append(sym_setindex(self.category, i))
+ */
+              __pyx_t_3 = __pyx_v_phrase->n;
+              for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_3; __pyx_v_j++) {
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1691
+ *                                 self.findexes.extend(self.findexes1)
+ *                                 for j from 0 <= j < phrase.n:
+ *                                     if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
+ *                                         fphr_arr._append(sym_setindex(self.category, i))
+ *                                         i = i + 1
+ */
+                __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_phrase->syms[__pyx_v_j]));
+                if (__pyx_t_4) {
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1692
+ *                                 for j from 0 <= j < phrase.n:
+ *                                     if sym_isvar(phrase.syms[j]):
+ *                                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                         i = i + 1
+ *                                     else:
+ */
+                  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1693
+ *                                     if sym_isvar(phrase.syms[j]):
+ *                                         fphr_arr._append(sym_setindex(self.category, i))
+ *                                         i = i + 1             # <<<<<<<<<<<<<<
+ *                                     else:
+ *                                         fphr_arr._append(phrase.syms[j])
+ */
+                  __pyx_v_i = (__pyx_v_i + 1);
+                  goto __pyx_L88;
+                }
+                /*else*/ {
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1695
+ *                                         i = i + 1
+ *                                     else:
+ *                                         fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ */
+                  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, (__pyx_v_phrase->syms[__pyx_v_j]));
+                }
+                __pyx_L88:;
+              }
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1696
+ *                                     else:
+ *                                         fphr_arr._append(phrase.syms[j])
+ *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ *                                 fphr = Phrase(fphr_arr)
+ */
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1697
+ *                                         fphr_arr._append(phrase.syms[j])
+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ *                                 self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                 fphr = Phrase(fphr_arr)
+ *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low+gap_start, e_gap_high+gap_start, e_links_low, num_gaps+1,
+ */
+              __pyx_t_1 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1697; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __pyx_t_14 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1697; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
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+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1698
+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ *                                 fphr = Phrase(fphr_arr)             # <<<<<<<<<<<<<<
+ *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low+gap_start, e_gap_high+gap_start, e_links_low, num_gaps+1,
+ *                                                     f_x_low, f_x_high, f_gap_low+gap_start, f_gap_high+gap_start, f_links_low,
+ */
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+              __Pyx_GOTREF(__pyx_t_14);
+              __Pyx_INCREF(((PyObject *)__pyx_v_fphr_arr));
+              PyTuple_SET_ITEM(__pyx_t_14, 0, ((PyObject *)__pyx_v_fphr_arr));
+              __Pyx_GIVEREF(((PyObject *)__pyx_v_fphr_arr));
+              __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1698; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
+              __Pyx_DECREF(((PyObject *)__pyx_v_fphr));
+              __pyx_v_fphr = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_1);
+              __pyx_t_1 = 0;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1701
+ *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low+gap_start, e_gap_high+gap_start, e_links_low, num_gaps+1,
+ *                                                     f_x_low, f_x_high, f_gap_low+gap_start, f_gap_high+gap_start, f_links_low,
+ *                                                     matching.sent_id, e_sent_len, e_sent_start)             # <<<<<<<<<<<<<<
+ *                                 if len(phrase_list) > 0:
+ *                                     pair_count = 1.0 / len(phrase_list)
+ */
+              __pyx_t_1 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, (__pyx_v_e_gap_low + __pyx_v_gap_start), (__pyx_v_e_gap_high + __pyx_v_gap_start), __pyx_v_e_links_low, (__pyx_v_num_gaps + 1), __pyx_v_f_x_low, __pyx_v_f_x_high, (__pyx_v_f_gap_low + __pyx_v_gap_start), (__pyx_v_f_gap_high + __pyx_v_gap_start), __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1699; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __Pyx_XDECREF(__pyx_v_phrase_list);
+              __pyx_v_phrase_list = __pyx_t_1;
+              __pyx_t_1 = 0;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1702
+ *                                                     f_x_low, f_x_high, f_gap_low+gap_start, f_gap_high+gap_start, f_links_low,
+ *                                                     matching.sent_id, e_sent_len, e_sent_start)
+ *                                 if len(phrase_list) > 0:             # <<<<<<<<<<<<<<
+ *                                     pair_count = 1.0 / len(phrase_list)
+ *                                 else:
+ */
+              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1702; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_9 = (__pyx_t_13 > 0);
+              if (__pyx_t_9) {
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1703
+ *                                                     matching.sent_id, e_sent_len, e_sent_start)
+ *                                 if len(phrase_list) > 0:
+ *                                     pair_count = 1.0 / len(phrase_list)             # <<<<<<<<<<<<<<
+ *                                 else:
+ *                                     pair_count = 0
+ */
+                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1703; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                if (unlikely(__pyx_t_13 == 0)) {
+                  PyErr_Format(PyExc_ZeroDivisionError, "float division");
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1703; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                }
+                __pyx_v_pair_count = (1.0 / __pyx_t_13);
+                goto __pyx_L89;
+              }
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+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1705
+ *                                     pair_count = 1.0 / len(phrase_list)
+ *                                 else:
+ *                                     pair_count = 0             # <<<<<<<<<<<<<<
+ *                                 for phrase2, eindexes in phrase_list:
+ *                                     als3 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
+ */
+                __pyx_v_pair_count = 0.0;
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+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1706
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+ *                                     pair_count = 0
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+ *                                     als3 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
+ *                                     extracts.append((fphr, phrase2, pair_count, tuple(als3)))
+ */
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+                __pyx_t_1 = __pyx_v_phrase_list; __Pyx_INCREF(__pyx_t_1); __pyx_t_13 = 0;
+                __pyx_t_16 = NULL;
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+                __pyx_t_13 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1706; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_1);
+                __pyx_t_16 = Py_TYPE(__pyx_t_1)->tp_iternext;
+              }
+              for (;;) {
+                if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_1)) {
+                  if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_1)) break;
+                  #if CYTHON_COMPILING_IN_CPYTHON
+                  __pyx_t_14 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_13); __Pyx_INCREF(__pyx_t_14); __pyx_t_13++;
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+                  #endif
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+                  __pyx_t_14 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_13); __Pyx_INCREF(__pyx_t_14); __pyx_t_13++;
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+                  __pyx_t_14 = PySequence_ITEM(__pyx_t_1, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1706; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
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+                      if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1706; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+                  PyObject* sequence = __pyx_t_14;
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+                  Py_ssize_t size = Py_SIZE(sequence);
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+                  #endif
+                  __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
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+                  __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
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+                  index = 1; __pyx_t_2 = __pyx_t_17(__pyx_t_10); if (unlikely(!__pyx_t_2)) goto __pyx_L92_unpacking_failed;
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+                  __pyx_t_17 = NULL;
+                  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
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+                  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+                  __pyx_t_17 = NULL;
+                  if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
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+                  __pyx_L93_unpacking_done:;
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+                __Pyx_XDECREF(__pyx_v_phrase2);
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+                __pyx_t_15 = 0;
+                __Pyx_XDECREF(__pyx_v_eindexes);
+                __pyx_v_eindexes = __pyx_t_2;
+                __pyx_t_2 = 0;
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+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1707
+ *                                     pair_count = 0
+ *                                 for phrase2, eindexes in phrase_list:
+ *                                     als3 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)             # <<<<<<<<<<<<<<
+ *                                     extracts.append((fphr, phrase2, pair_count, tuple(als3)))
+ *                         if (num_gaps < self.max_nonterminals - 1 and
+ */
+                __pyx_t_14 = ((PyObject *)__pyx_v_self->findexes);
+                __Pyx_INCREF(__pyx_t_14);
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+                __pyx_v_als3 = __pyx_t_2;
+                __pyx_t_2 = 0;
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+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1708
+ *                                 for phrase2, eindexes in phrase_list:
+ *                                     als3 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
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+ *                             phrase_len+1 < self.max_length and
+ */
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+                __Pyx_GOTREF(__pyx_t_2);
+                __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1708; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_14);
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+                __pyx_t_15 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1708; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_15);
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+                __Pyx_GOTREF(__pyx_t_14);
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+                __Pyx_GIVEREF(((PyObject *)__pyx_v_fphr));
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+                __Pyx_GIVEREF(__pyx_t_15);
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+                __Pyx_GOTREF(__pyx_t_15);
+                __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
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+            goto __pyx_L79;
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+ *                                     als3 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
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+ *                         if (num_gaps < self.max_nonterminals - 1 and             # <<<<<<<<<<<<<<
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+ *                             f_back_high == f_high and
+ */
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+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1710
+ *                                     extracts.append((fphr, phrase2, pair_count, tuple(als3)))
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+ *                             phrase_len+1 < self.max_length and             # <<<<<<<<<<<<<<
+ *                             f_back_high == f_high and
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+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1711
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+ *                             phrase_len+1 < self.max_length and
+ *                             f_back_high == f_high and             # <<<<<<<<<<<<<<
+ *                             f_back_low == f_low and
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+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1712
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+ *                             f_back_low == f_low and
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+ *                             f_low >= self.train_min_gap_size and
+ *                             f_high <= f_sent_len - self.train_min_gap_size and
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+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1714
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+ *                             f_high <= f_sent_len - self.train_min_gap_size and
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+                      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1715
+ *                             f_back_high - f_back_low + (2*self.train_min_gap_size) <= self.train_max_initial_size and
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+ *                             f_high <= f_sent_len - self.train_min_gap_size and             # <<<<<<<<<<<<<<
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+                        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1716
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+ * 
+ *                             met_constraints = 1
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+                          __pyx_t_23 = ((__pyx_v_f_links_low[(__pyx_v_f_low - 1)]) != -1);
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+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1718
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+ * 
+ *                             met_constraints = 1             # <<<<<<<<<<<<<<
+ *                             f_x_low = f_low-self.train_min_gap_size
+ *                             if self.tight_phrases:
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+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1719
+ * 
+ *                             met_constraints = 1
+ *                             f_x_low = f_low-self.train_min_gap_size             # <<<<<<<<<<<<<<
+ *                             if self.tight_phrases:
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+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1720
+ *                             met_constraints = 1
+ *                             f_x_low = f_low-self.train_min_gap_size
+ *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
+ *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
+ *                                     f_x_low = f_x_low - 1
+ */
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+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1721
+ *                             f_x_low = f_low-self.train_min_gap_size
+ *                             if self.tight_phrases:
+ *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:             # <<<<<<<<<<<<<<
+ *                                     f_x_low = f_x_low - 1
+ *                             if f_x_low < 0:
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+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1722
+ *                             if self.tight_phrases:
+ *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
+ *                                     f_x_low = f_x_low - 1             # <<<<<<<<<<<<<<
+ *                             if f_x_low < 0:
+ *                                 met_constraints = 0
+ */
+                __pyx_v_f_x_low = (__pyx_v_f_x_low - 1);
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+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1723
+ *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
+ *                                     f_x_low = f_x_low - 1
+ *                             if f_x_low < 0:             # <<<<<<<<<<<<<<
+ *                                 met_constraints = 0
+ * 
+ */
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+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1724
+ *                                     f_x_low = f_x_low - 1
+ *                             if f_x_low < 0:
+ *                                 met_constraints = 0             # <<<<<<<<<<<<<<
+ * 
+ *                             f_x_high = f_high+self.train_min_gap_size
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+              __pyx_v_met_constraints = 0;
+              goto __pyx_L98;
+            }
+            __pyx_L98:;
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1726
+ *                                 met_constraints = 0
+ * 
+ *                             f_x_high = f_high+self.train_min_gap_size             # <<<<<<<<<<<<<<
+ *                             if self.tight_phrases:
+ *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
+ */
+            __pyx_v_f_x_high = (__pyx_v_f_high + __pyx_v_self->train_min_gap_size);
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1727
+ * 
+ *                             f_x_high = f_high+self.train_min_gap_size
+ *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
+ *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
+ *                                     f_x_high = f_x_high + 1
+ */
+            if (__pyx_v_self->tight_phrases) {
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1728
+ *                             f_x_high = f_high+self.train_min_gap_size
+ *                             if self.tight_phrases:
+ *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:             # <<<<<<<<<<<<<<
+ *                                     f_x_high = f_x_high + 1
+ *                             if f_x_high > f_sent_len or f_x_high - f_x_low > self.train_max_initial_size:
+ */
+              while (1) {
+                __pyx_t_18 = (__pyx_v_f_x_high <= __pyx_v_f_sent_len);
+                if (__pyx_t_18) {
+                  __pyx_t_7 = ((__pyx_v_f_links_low[(__pyx_v_f_x_high - 1)]) == -1);
+                  __pyx_t_9 = __pyx_t_7;
+                } else {
+                  __pyx_t_9 = __pyx_t_18;
+                }
+                if (!__pyx_t_9) break;
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1729
+ *                             if self.tight_phrases:
+ *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
+ *                                     f_x_high = f_x_high + 1             # <<<<<<<<<<<<<<
+ *                             if f_x_high > f_sent_len or f_x_high - f_x_low > self.train_max_initial_size:
+ *                                 met_constraints = 0
+ */
+                __pyx_v_f_x_high = (__pyx_v_f_x_high + 1);
+              }
+              goto __pyx_L99;
+            }
+            __pyx_L99:;
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1730
+ *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
+ *                                     f_x_high = f_x_high + 1
+ *                             if f_x_high > f_sent_len or f_x_high - f_x_low > self.train_max_initial_size:             # <<<<<<<<<<<<<<
+ *                                 met_constraints = 0
+ * 
+ */
+            __pyx_t_9 = (__pyx_v_f_x_high > __pyx_v_f_sent_len);
+            if (!__pyx_t_9) {
+              __pyx_t_18 = ((__pyx_v_f_x_high - __pyx_v_f_x_low) > __pyx_v_self->train_max_initial_size);
+              __pyx_t_7 = __pyx_t_18;
+            } else {
+              __pyx_t_7 = __pyx_t_9;
+            }
+            if (__pyx_t_7) {
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1731
+ *                                     f_x_high = f_x_high + 1
+ *                             if f_x_high > f_sent_len or f_x_high - f_x_low > self.train_max_initial_size:
+ *                                 met_constraints = 0             # <<<<<<<<<<<<<<
+ * 
+ *                             if (met_constraints and
+ */
+              __pyx_v_met_constraints = 0;
+              goto __pyx_L102;
+            }
+            __pyx_L102:;
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1733
+ *                                 met_constraints = 0
+ * 
+ *                             if (met_constraints and             # <<<<<<<<<<<<<<
+ *                                 self.find_fixpoint(f_x_low, f_x_high,
+ *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
+ */
+            if (__pyx_v_met_constraints) {
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1734
+ * 
+ *                             if (met_constraints and
+ *                                 self.find_fixpoint(f_x_low, f_x_high,             # <<<<<<<<<<<<<<
+ *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
+ *                                                 e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
+ */
+              __pyx_t_1 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1734; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1738
+ *                                                 e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
+ *                                                 f_sent_len, e_sent_len,
+ *                                                 self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
+ *                                                 1, 1, 2, 1, 1, 1, 1) and
+ *                                 ((not self.tight_phrases) or (f_links_low[f_x_low] != -1 and f_links_low[f_x_high-1] != -1)) and
+ */
+              if (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_1, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 2, 1, 1, 1, 1)) {
+                __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1740
+ *                                                 self.train_max_initial_size, self.train_max_initial_size,
+ *                                                 1, 1, 2, 1, 1, 1, 1) and
+ *                                 ((not self.tight_phrases) or (f_links_low[f_x_low] != -1 and f_links_low[f_x_high-1] != -1)) and             # <<<<<<<<<<<<<<
+ *                                 self.find_fixpoint(f_x_low, f_low,
+ *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
+ */
+                __pyx_t_7 = (!__pyx_v_self->tight_phrases);
+                if (!__pyx_t_7) {
+                  __pyx_t_9 = ((__pyx_v_f_links_low[__pyx_v_f_x_low]) != -1);
+                  if (__pyx_t_9) {
+                    __pyx_t_18 = ((__pyx_v_f_links_low[(__pyx_v_f_x_high - 1)]) != -1);
+                    __pyx_t_8 = __pyx_t_18;
+                  } else {
+                    __pyx_t_8 = __pyx_t_9;
+                  }
+                  __pyx_t_9 = __pyx_t_8;
+                } else {
+                  __pyx_t_9 = __pyx_t_7;
+                }
+                if (__pyx_t_9) {
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1741
+ *                                                 1, 1, 2, 1, 1, 1, 1) and
+ *                                 ((not self.tight_phrases) or (f_links_low[f_x_low] != -1 and f_links_low[f_x_high-1] != -1)) and
+ *                                 self.find_fixpoint(f_x_low, f_low,             # <<<<<<<<<<<<<<
+ *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
+ *                                                 -1, -1, e_gap_low, e_gap_high, f_gap_low, f_gap_high,
+ */
+                  __pyx_t_15 = PyInt_FromLong(__pyx_v_f_low); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1741; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __Pyx_GOTREF(__pyx_t_15);
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1745
+ *                                                 -1, -1, e_gap_low, e_gap_high, f_gap_low, f_gap_high,
+ *                                                 f_sent_len, e_sent_len,
+ *                                                 self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
+ *                                                 0, 0, 0, 0, 0, 0, 0) and
+ *                                 self.find_fixpoint(f_high, f_x_high,
+ */
+                  __pyx_t_3 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_15, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0);
+                  __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+                  if (__pyx_t_3) {
+
+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1747
+ *                                                 self.train_max_initial_size, self.train_max_initial_size,
+ *                                                 0, 0, 0, 0, 0, 0, 0) and
+ *                                 self.find_fixpoint(f_high, f_x_high,             # <<<<<<<<<<<<<<
+ *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
+ *                                                 -1, -1, e_gap_low+1+num_gaps, e_gap_high+1+num_gaps,
+ */
+                    __pyx_t_15 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1747; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                    __Pyx_GOTREF(__pyx_t_15);
+
+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1752
+ *                                                 f_gap_low+1+num_gaps, f_gap_high+1+num_gaps,
+ *                                                 f_sent_len, e_sent_len,
+ *                                                 self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
+ *                                                 0, 0, 0, 0, 0, 0, 0)):
+ *                                 fphr_arr._clear()
+ */
+                    __pyx_t_4 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_high, __pyx_t_15, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, ((__pyx_v_e_gap_low + 1) + __pyx_v_num_gaps), ((__pyx_v_e_gap_high + 1) + __pyx_v_num_gaps), ((__pyx_v_f_gap_low + 1) + __pyx_v_num_gaps), ((__pyx_v_f_gap_high + 1) + __pyx_v_num_gaps), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0);
+                    __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+                    __pyx_t_7 = __pyx_t_4;
+                  } else {
+                    __pyx_t_7 = __pyx_t_3;
+                  }
+                  __pyx_t_8 = __pyx_t_7;
+                } else {
+                  __pyx_t_8 = __pyx_t_9;
+                }
+                __pyx_t_9 = __pyx_t_8;
+              } else {
+                __pyx_t_9 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_1, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 2, 1, 1, 1, 1);
+                __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+              }
+              __pyx_t_8 = __pyx_t_9;
+            } else {
+              __pyx_t_8 = __pyx_v_met_constraints;
+            }
+            if (__pyx_t_8) {
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1754
+ *                                                 self.train_max_initial_size, self.train_max_initial_size,
+ *                                                 0, 0, 0, 0, 0, 0, 0)):
+ *                                 fphr_arr._clear()             # <<<<<<<<<<<<<<
+ *                                 i = 1
+ *                                 self.findexes.reset()
+ */
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_clear(__pyx_v_fphr_arr);
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1755
+ *                                                 0, 0, 0, 0, 0, 0, 0)):
+ *                                 fphr_arr._clear()
+ *                                 i = 1             # <<<<<<<<<<<<<<
+ *                                 self.findexes.reset()
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ */
+              __pyx_v_i = 1;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1756
+ *                                 fphr_arr._clear()
+ *                                 i = 1
+ *                                 self.findexes.reset()             # <<<<<<<<<<<<<<
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ */
+              __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1756; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __pyx_t_15 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1756; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_15);
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+              __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1757
+ *                                 i = 1
+ *                                 self.findexes.reset()
+ *                                 self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ *                                 i = i+1
+ */
+              __pyx_t_15 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1757; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_15);
+              __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_15); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1757; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1758
+ *                                 self.findexes.reset()
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                 i = i+1
+ *                                 self.findexes.extend(self.findexes1)
+ */
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1759
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ *                                 i = i+1             # <<<<<<<<<<<<<<
+ *                                 self.findexes.extend(self.findexes1)
+ *                                 for j from 0 <= j < phrase.n:
+ */
+              __pyx_v_i = (__pyx_v_i + 1);
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1760
+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ *                                 i = i+1
+ *                                 self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
+ *                                 for j from 0 <= j < phrase.n:
+ *                                     if sym_isvar(phrase.syms[j]):
+ */
+              __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1760; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1760; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_15);
+              __Pyx_INCREF(((PyObject *)__pyx_v_self->findexes1));
+              PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_v_self->findexes1));
+              __Pyx_GIVEREF(((PyObject *)__pyx_v_self->findexes1));
+              __pyx_t_14 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1760; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+              __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+              __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1761
+ *                                 i = i+1
+ *                                 self.findexes.extend(self.findexes1)
+ *                                 for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
+ *                                     if sym_isvar(phrase.syms[j]):
+ *                                         fphr_arr._append(sym_setindex(self.category, i))
+ */
+              __pyx_t_3 = __pyx_v_phrase->n;
+              for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_3; __pyx_v_j++) {
+
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1762
+ *                                 self.findexes.extend(self.findexes1)
+ *                                 for j from 0 <= j < phrase.n:
+ *                                     if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
+ *                                         fphr_arr._append(sym_setindex(self.category, i))
+ *                                         i = i + 1
+ */
+                __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_phrase->syms[__pyx_v_j]));
+                if (__pyx_t_4) {
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1763
+ *                                 for j from 0 <= j < phrase.n:
+ *                                     if sym_isvar(phrase.syms[j]):
+ *                                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                         i = i + 1
+ *                                     else:
+ */
+                  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1764
+ *                                     if sym_isvar(phrase.syms[j]):
+ *                                         fphr_arr._append(sym_setindex(self.category, i))
+ *                                         i = i + 1             # <<<<<<<<<<<<<<
+ *                                     else:
+ *                                         fphr_arr._append(phrase.syms[j])
+ */
+                  __pyx_v_i = (__pyx_v_i + 1);
+                  goto __pyx_L106;
+                }
+                /*else*/ {
+
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1766
+ *                                         i = i + 1
+ *                                     else:
+ *                                         fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ */
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+              }
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+ *                                     else:
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+ *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
+ *                                 self.findexes.append(sym_setindex(self.category, i))
+ *                                 fphr = Phrase(fphr_arr)
+ */
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+ *                                 fphr_arr._append(sym_setindex(self.category, i))
+ *                                 self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
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+ *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+2,
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+ *                                 self.findexes.append(sym_setindex(self.category, i))
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+ */
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+              __Pyx_GIVEREF(((PyObject *)__pyx_v_fphr_arr));
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+              __Pyx_DECREF(((PyObject *)__pyx_v_fphr));
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+              __pyx_t_14 = 0;
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+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1772
+ *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+2,
+ *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low,
+ *                                                     matching.sent_id, e_sent_len, e_sent_start)             # <<<<<<<<<<<<<<
+ *                                 if len(phrase_list) > 0:
+ *                                     pair_count = 1.0 / len(phrase_list)
+ */
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+              __Pyx_GOTREF(__pyx_t_14);
+              __Pyx_XDECREF(__pyx_v_phrase_list);
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+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1773
+ *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low,
+ *                                                     matching.sent_id, e_sent_len, e_sent_start)
+ *                                 if len(phrase_list) > 0:             # <<<<<<<<<<<<<<
+ *                                     pair_count = 1.0 / len(phrase_list)
+ *                                 else:
+ */
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+              __pyx_t_8 = (__pyx_t_13 > 0);
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+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1774
+ *                                                     matching.sent_id, e_sent_len, e_sent_start)
+ *                                 if len(phrase_list) > 0:
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+ *                                     pair_count = 0
+ */
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+                  PyErr_Format(PyExc_ZeroDivisionError, "float division");
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+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1776
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+ */
+              if (PyList_CheckExact(__pyx_v_phrase_list) || PyTuple_CheckExact(__pyx_v_phrase_list)) {
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+ *         free(f_gap_low)
+ *         free(f_gap_high)             # <<<<<<<<<<<<<<
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+ *         free(e_gap_high)
+ */
+  free(__pyx_v_f_gap_high);
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1790
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+ *         free(f_gap_high)
+ *         free(e_gap_low)             # <<<<<<<<<<<<<<
+ *         free(e_gap_high)
+ * 
+ */
+  free(__pyx_v_e_gap_low);
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1791
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+ *         free(e_gap_low)
+ *         free(e_gap_high)             # <<<<<<<<<<<<<<
+ * 
+ *         return extracts
+ */
+  free(__pyx_v_e_gap_high);
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1793
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+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
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+  __pyx_r = 0;
+  __pyx_L0:;
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+  __Pyx_XDECREF(__pyx_v_phrase_list);
+  __Pyx_XDECREF((PyObject *)__pyx_v_fphr_arr);
+  __Pyx_XDECREF((PyObject *)__pyx_v_fphr);
+  __Pyx_XDECREF(__pyx_v_reason_for_failure);
+  __Pyx_XDECREF(__pyx_v_sofar);
+  __Pyx_XDECREF(__pyx_v_als);
+  __Pyx_XDECREF(__pyx_v_al);
+  __Pyx_XDECREF(__pyx_v_phrase2);
+  __Pyx_XDECREF(__pyx_v_eindexes);
+  __Pyx_XDECREF(__pyx_v_als1);
+  __Pyx_XDECREF(__pyx_v_als2);
+  __Pyx_XDECREF(__pyx_v_als3);
+  __Pyx_XDECREF(__pyx_v_als4);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+static struct __pyx_vtabstruct_3_sa_Phrase __pyx_vtable_3_sa_Phrase;
+
+static PyObject *__pyx_tp_new_3_sa_Phrase(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_Phrase *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_Phrase *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_Phrase;
+  if (__pyx_pw_3_sa_6Phrase_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_Phrase(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_3_sa_6Phrase_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  (*Py_TYPE(o)->tp_free)(o);
+}
+static PyObject *__pyx_sq_item_3_sa_Phrase(PyObject *o, Py_ssize_t i) {
+  PyObject *r;
+  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
+  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
+  Py_DECREF(x);
+  return r;
+}
+
+static PyObject *__pyx_getprop_3_sa_6Phrase_words(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_6Phrase_5words_1__get__(o);
+}
+
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+  {__Pyx_NAMESTR("strhandle"), (PyCFunction)__pyx_pw_3_sa_6Phrase_9strhandle, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("arity"), (PyCFunction)__pyx_pw_3_sa_6Phrase_11arity, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getvarpos"), (PyCFunction)__pyx_pw_3_sa_6Phrase_13getvarpos, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getvar"), (PyCFunction)__pyx_pw_3_sa_6Phrase_15getvar, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("clen"), (PyCFunction)__pyx_pw_3_sa_6Phrase_17clen, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getchunk"), (PyCFunction)__pyx_pw_3_sa_6Phrase_19getchunk, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("subst"), (PyCFunction)__pyx_pw_3_sa_6Phrase_32subst, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_3_sa_Phrase[] = {
+  {(char *)"words", __pyx_getprop_3_sa_6Phrase_words, 0, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_Phrase = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_Phrase = {
+  __pyx_pw_3_sa_6Phrase_25__len__, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  __pyx_sq_item_3_sa_Phrase, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_Phrase = {
+  __pyx_pw_3_sa_6Phrase_25__len__, /*mp_length*/
+  __pyx_pw_3_sa_6Phrase_27__getitem__, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_Phrase = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
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+  sizeof(struct __pyx_obj_3_sa_Phrase), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_Phrase, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  __pyx_pw_3_sa_6Phrase_21__cmp__, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_Phrase, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Phrase, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Phrase, /*tp_as_mapping*/
+  __pyx_pw_3_sa_6Phrase_23__hash__, /*tp_hash*/
+  0, /*tp_call*/
+  __pyx_pw_3_sa_6Phrase_5__str__, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_Phrase, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  __pyx_pw_3_sa_6Phrase_29__iter__, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_Phrase, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_3_sa_Phrase, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_Phrase, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa_Rule(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_Rule *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_Rule *)o);
+  p->f = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  p->e = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  p->word_alignments = Py_None; Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_4Rule_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_Rule(PyObject *o) {
+  struct __pyx_obj_3_sa_Rule *p = (struct __pyx_obj_3_sa_Rule *)o;
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_3_sa_4Rule_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  Py_XDECREF(((PyObject *)p->f));
+  Py_XDECREF(((PyObject *)p->e));
+  Py_XDECREF(p->word_alignments);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_Rule(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_Rule *p = (struct __pyx_obj_3_sa_Rule *)o;
+  if (p->f) {
+    e = (*v)(((PyObject*)p->f), a); if (e) return e;
+  }
+  if (p->e) {
+    e = (*v)(((PyObject*)p->e), a); if (e) return e;
+  }
+  if (p->word_alignments) {
+    e = (*v)(p->word_alignments, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_Rule(PyObject *o) {
+  struct __pyx_obj_3_sa_Rule *p = (struct __pyx_obj_3_sa_Rule *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->f);
+  p->f = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->e);
+  p->e = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->word_alignments);
+  p->word_alignments = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyObject *__pyx_getprop_3_sa_4Rule_scores(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_4Rule_6scores_1__get__(o);
+}
+
+static int __pyx_setprop_3_sa_4Rule_scores(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_3_sa_4Rule_6scores_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_3_sa_4Rule_lhs(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_4Rule_3lhs_1__get__(o);
+}
+
+static int __pyx_setprop_3_sa_4Rule_lhs(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_3_sa_4Rule_3lhs_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_3_sa_4Rule_f(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_4Rule_1f_1__get__(o);
+}
+
+static PyObject *__pyx_getprop_3_sa_4Rule_e(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_4Rule_1e_1__get__(o);
+}
+
+static PyObject *__pyx_getprop_3_sa_4Rule_word_alignments(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_4Rule_15word_alignments_1__get__(o);
+}
+
+static int __pyx_setprop_3_sa_4Rule_word_alignments(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_3_sa_4Rule_15word_alignments_3__set__(o, v);
+  }
+  else {
+    return __pyx_pw_3_sa_4Rule_15word_alignments_5__del__(o);
+  }
+}
+
+static PyMethodDef __pyx_methods_3_sa_Rule[] = {
+  {__Pyx_NAMESTR("fmerge"), (PyCFunction)__pyx_pw_3_sa_4Rule_11fmerge, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("arity"), (PyCFunction)__pyx_pw_3_sa_4Rule_13arity, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_3_sa_Rule[] = {
+  {(char *)"scores", __pyx_getprop_3_sa_4Rule_scores, __pyx_setprop_3_sa_4Rule_scores, 0, 0},
+  {(char *)"lhs", __pyx_getprop_3_sa_4Rule_lhs, __pyx_setprop_3_sa_4Rule_lhs, 0, 0},
+  {(char *)"f", __pyx_getprop_3_sa_4Rule_f, 0, 0, 0},
+  {(char *)"e", __pyx_getprop_3_sa_4Rule_e, 0, 0, 0},
+  {(char *)"word_alignments", __pyx_getprop_3_sa_4Rule_word_alignments, __pyx_setprop_3_sa_4Rule_word_alignments, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_Rule = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  __pyx_pw_3_sa_4Rule_9__iadd__, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_Rule = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_Rule = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_Rule = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_Rule = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.Rule"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_Rule), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_Rule, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  __pyx_pw_3_sa_4Rule_7__cmp__, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_Rule, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Rule, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Rule, /*tp_as_mapping*/
+  __pyx_pw_3_sa_4Rule_5__hash__, /*tp_hash*/
+  0, /*tp_call*/
+  __pyx_pw_3_sa_4Rule_15__str__, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_Rule, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_Rule, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_Rule, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_Rule, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_3_sa_Rule, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_Rule, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_FloatList __pyx_vtable_3_sa_FloatList;
+
+static PyObject *__pyx_tp_new_3_sa_FloatList(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_FloatList *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_FloatList *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_FloatList;
+  if (__pyx_pw_3_sa_9FloatList_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_FloatList(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_3_sa_9FloatList_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  (*Py_TYPE(o)->tp_free)(o);
+}
+static PyObject *__pyx_sq_item_3_sa_FloatList(PyObject *o, Py_ssize_t i) {
+  PyObject *r;
+  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
+  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
+  Py_DECREF(x);
+  return r;
+}
+
+static int __pyx_mp_ass_subscript_3_sa_FloatList(PyObject *o, PyObject *i, PyObject *v) {
+  if (v) {
+    return __pyx_pw_3_sa_9FloatList_7__setitem__(o, i, v);
+  }
+  else {
+    PyErr_Format(PyExc_NotImplementedError,
+      "Subscript deletion not supported by %s", Py_TYPE(o)->tp_name);
+    return -1;
+  }
+}
+
+static PyMethodDef __pyx_methods_3_sa_FloatList[] = {
+  {__Pyx_NAMESTR("append"), (PyCFunction)__pyx_pw_3_sa_9FloatList_11append, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write"), (PyCFunction)__pyx_pw_3_sa_9FloatList_13write, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read"), (PyCFunction)__pyx_pw_3_sa_9FloatList_15read, METH_O, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_FloatList = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_FloatList = {
+  __pyx_pw_3_sa_9FloatList_9__len__, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  __pyx_sq_item_3_sa_FloatList, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_FloatList = {
+  __pyx_pw_3_sa_9FloatList_9__len__, /*mp_length*/
+  __pyx_pw_3_sa_9FloatList_5__getitem__, /*mp_subscript*/
+  __pyx_mp_ass_subscript_3_sa_FloatList, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_FloatList = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_FloatList = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.FloatList"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_FloatList), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_FloatList, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_FloatList, /*tp_as_number*/
+  &__pyx_tp_as_sequence_FloatList, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_FloatList, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_FloatList, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_FloatList, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_FloatList, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_IntList __pyx_vtable_3_sa_IntList;
+
+static PyObject *__pyx_tp_new_3_sa_IntList(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_IntList *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_IntList *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_IntList;
+  if (__pyx_pw_3_sa_7IntList_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_IntList(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_3_sa_7IntList_15__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  (*Py_TYPE(o)->tp_free)(o);
+}
+static PyObject *__pyx_sq_item_3_sa_IntList(PyObject *o, Py_ssize_t i) {
+  PyObject *r;
+  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
+  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
+  Py_DECREF(x);
+  return r;
+}
+
+static int __pyx_mp_ass_subscript_3_sa_IntList(PyObject *o, PyObject *i, PyObject *v) {
+  if (v) {
+    return __pyx_pw_3_sa_7IntList_19__setitem__(o, i, v);
+  }
+  else {
+    PyErr_Format(PyExc_NotImplementedError,
+      "Subscript deletion not supported by %s", Py_TYPE(o)->tp_name);
+    return -1;
+  }
+}
+
+static PyMethodDef __pyx_methods_3_sa_IntList[] = {
+  {__Pyx_NAMESTR("index"), (PyCFunction)__pyx_pw_3_sa_7IntList_5index, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("partition"), (PyCFunction)__pyx_pw_3_sa_7IntList_7partition, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("_doquicksort"), (PyCFunction)__pyx_pw_3_sa_7IntList_9_doquicksort, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("sort"), (PyCFunction)__pyx_pw_3_sa_7IntList_11sort, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("reset"), (PyCFunction)__pyx_pw_3_sa_7IntList_13reset, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getSize"), (PyCFunction)__pyx_pw_3_sa_7IntList_23getSize, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("append"), (PyCFunction)__pyx_pw_3_sa_7IntList_25append, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("extend"), (PyCFunction)__pyx_pw_3_sa_7IntList_27extend, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write"), (PyCFunction)__pyx_pw_3_sa_7IntList_29write, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read"), (PyCFunction)__pyx_pw_3_sa_7IntList_31read, METH_O, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_IntList = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_IntList = {
+  __pyx_pw_3_sa_7IntList_21__len__, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  __pyx_sq_item_3_sa_IntList, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_IntList = {
+  __pyx_pw_3_sa_7IntList_21__len__, /*mp_length*/
+  __pyx_pw_3_sa_7IntList_17__getitem__, /*mp_subscript*/
+  __pyx_mp_ass_subscript_3_sa_IntList, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_IntList = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_IntList = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.IntList"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_IntList), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_IntList, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_IntList, /*tp_as_number*/
+  &__pyx_tp_as_sequence_IntList, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_IntList, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  __pyx_pw_3_sa_7IntList_3__str__, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_IntList, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_IntList, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_IntList, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_StringMap __pyx_vtable_3_sa_StringMap;
+
+static PyObject *__pyx_tp_new_3_sa_StringMap(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa_StringMap *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_StringMap *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_StringMap;
+  if (__pyx_pw_3_sa_9StringMap_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_StringMap(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_3_sa_9StringMap_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static PyMethodDef __pyx_methods_3_sa_StringMap[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_StringMap = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_StringMap = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_StringMap = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_StringMap = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_StringMap = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.StringMap"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_StringMap), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_StringMap, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_StringMap, /*tp_as_number*/
+  &__pyx_tp_as_sequence_StringMap, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_StringMap, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_StringMap, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_StringMap, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_StringMap, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_DataArray __pyx_vtable_3_sa_DataArray;
+
+static PyObject *__pyx_tp_new_3_sa_DataArray(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_DataArray *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_DataArray *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_DataArray;
+  p->word2id = Py_None; Py_INCREF(Py_None);
+  p->id2word = Py_None; Py_INCREF(Py_None);
+  p->data = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->sent_id = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->sent_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_9DataArray_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_DataArray(PyObject *o) {
+  struct __pyx_obj_3_sa_DataArray *p = (struct __pyx_obj_3_sa_DataArray *)o;
+  Py_XDECREF(p->word2id);
+  Py_XDECREF(p->id2word);
+  Py_XDECREF(((PyObject *)p->data));
+  Py_XDECREF(((PyObject *)p->sent_id));
+  Py_XDECREF(((PyObject *)p->sent_index));
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_DataArray(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_DataArray *p = (struct __pyx_obj_3_sa_DataArray *)o;
+  if (p->word2id) {
+    e = (*v)(p->word2id, a); if (e) return e;
+  }
+  if (p->id2word) {
+    e = (*v)(p->id2word, a); if (e) return e;
+  }
+  if (p->data) {
+    e = (*v)(((PyObject*)p->data), a); if (e) return e;
+  }
+  if (p->sent_id) {
+    e = (*v)(((PyObject*)p->sent_id), a); if (e) return e;
+  }
+  if (p->sent_index) {
+    e = (*v)(((PyObject*)p->sent_index), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_DataArray(PyObject *o) {
+  struct __pyx_obj_3_sa_DataArray *p = (struct __pyx_obj_3_sa_DataArray *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->word2id);
+  p->word2id = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->id2word);
+  p->id2word = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->data);
+  p->data = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->sent_id);
+  p->sent_id = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->sent_index);
+  p->sent_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa_DataArray[] = {
+  {__Pyx_NAMESTR("getSentId"), (PyCFunction)__pyx_pw_3_sa_9DataArray_5getSentId, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getSent"), (PyCFunction)__pyx_pw_3_sa_9DataArray_7getSent, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getSentPos"), (PyCFunction)__pyx_pw_3_sa_9DataArray_9getSentPos, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_id"), (PyCFunction)__pyx_pw_3_sa_9DataArray_11get_id, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_word"), (PyCFunction)__pyx_pw_3_sa_9DataArray_13get_word, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_3_sa_9DataArray_15write_text, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_3_sa_9DataArray_17read_text, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_3_sa_9DataArray_19read_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_3_sa_9DataArray_21write_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_enhanced_handle"), (PyCFunction)__pyx_pw_3_sa_9DataArray_23write_enhanced_handle, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_3_sa_9DataArray_25write_enhanced, METH_O, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_DataArray = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_DataArray = {
+  __pyx_pw_3_sa_9DataArray_3__len__, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_DataArray = {
+  __pyx_pw_3_sa_9DataArray_3__len__, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_DataArray = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_DataArray = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.DataArray"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_DataArray), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_DataArray, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_DataArray, /*tp_as_number*/
+  &__pyx_tp_as_sequence_DataArray, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_DataArray, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_DataArray, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_DataArray, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_DataArray, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_DataArray, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_DataArray, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_Alignment __pyx_vtable_3_sa_Alignment;
+
+static PyObject *__pyx_tp_new_3_sa_Alignment(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_Alignment *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_Alignment *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_Alignment;
+  p->links = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->sent_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_9Alignment_5__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_Alignment(PyObject *o) {
+  struct __pyx_obj_3_sa_Alignment *p = (struct __pyx_obj_3_sa_Alignment *)o;
+  Py_XDECREF(((PyObject *)p->links));
+  Py_XDECREF(((PyObject *)p->sent_index));
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_Alignment(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_Alignment *p = (struct __pyx_obj_3_sa_Alignment *)o;
+  if (p->links) {
+    e = (*v)(((PyObject*)p->links), a); if (e) return e;
+  }
+  if (p->sent_index) {
+    e = (*v)(((PyObject*)p->sent_index), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_Alignment(PyObject *o) {
+  struct __pyx_obj_3_sa_Alignment *p = (struct __pyx_obj_3_sa_Alignment *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->links);
+  p->links = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->sent_index);
+  p->sent_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa_Alignment[] = {
+  {__Pyx_NAMESTR("unlink"), (PyCFunction)__pyx_pw_3_sa_9Alignment_1unlink, METH_O, __Pyx_DOCSTR(__pyx_doc_3_sa_9Alignment_unlink)},
+  {__Pyx_NAMESTR("get_sent_links"), (PyCFunction)__pyx_pw_3_sa_9Alignment_3get_sent_links, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_3_sa_9Alignment_7read_text, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_3_sa_9Alignment_9read_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_3_sa_9Alignment_11write_text, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_3_sa_9Alignment_13write_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_3_sa_9Alignment_15write_enhanced, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("alignment"), (PyCFunction)__pyx_pw_3_sa_9Alignment_17alignment, METH_O, __Pyx_DOCSTR(__pyx_doc_3_sa_9Alignment_16alignment)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_Alignment = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_Alignment = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_Alignment = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_Alignment = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_Alignment = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.Alignment"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_Alignment), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_Alignment, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_Alignment, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Alignment, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Alignment, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_Alignment, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_Alignment, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_Alignment, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_Alignment, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_Alignment, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_BiLex __pyx_vtable_3_sa_BiLex;
+
+static PyObject *__pyx_tp_new_3_sa_BiLex(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_BiLex *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_BiLex *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_BiLex;
+  p->col1 = ((struct __pyx_obj_3_sa_FloatList *)Py_None); Py_INCREF(Py_None);
+  p->col2 = ((struct __pyx_obj_3_sa_FloatList *)Py_None); Py_INCREF(Py_None);
+  p->f_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->e_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->id2eword = Py_None; Py_INCREF(Py_None);
+  p->id2fword = Py_None; Py_INCREF(Py_None);
+  p->eword2id = Py_None; Py_INCREF(Py_None);
+  p->fword2id = Py_None; Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_5BiLex_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_BiLex(PyObject *o) {
+  struct __pyx_obj_3_sa_BiLex *p = (struct __pyx_obj_3_sa_BiLex *)o;
+  Py_XDECREF(((PyObject *)p->col1));
+  Py_XDECREF(((PyObject *)p->col2));
+  Py_XDECREF(((PyObject *)p->f_index));
+  Py_XDECREF(((PyObject *)p->e_index));
+  Py_XDECREF(p->id2eword);
+  Py_XDECREF(p->id2fword);
+  Py_XDECREF(p->eword2id);
+  Py_XDECREF(p->fword2id);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_BiLex(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_BiLex *p = (struct __pyx_obj_3_sa_BiLex *)o;
+  if (p->col1) {
+    e = (*v)(((PyObject*)p->col1), a); if (e) return e;
+  }
+  if (p->col2) {
+    e = (*v)(((PyObject*)p->col2), a); if (e) return e;
+  }
+  if (p->f_index) {
+    e = (*v)(((PyObject*)p->f_index), a); if (e) return e;
+  }
+  if (p->e_index) {
+    e = (*v)(((PyObject*)p->e_index), a); if (e) return e;
+  }
+  if (p->id2eword) {
+    e = (*v)(p->id2eword, a); if (e) return e;
+  }
+  if (p->id2fword) {
+    e = (*v)(p->id2fword, a); if (e) return e;
+  }
+  if (p->eword2id) {
+    e = (*v)(p->eword2id, a); if (e) return e;
+  }
+  if (p->fword2id) {
+    e = (*v)(p->fword2id, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_BiLex(PyObject *o) {
+  struct __pyx_obj_3_sa_BiLex *p = (struct __pyx_obj_3_sa_BiLex *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->col1);
+  p->col1 = ((struct __pyx_obj_3_sa_FloatList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->col2);
+  p->col2 = ((struct __pyx_obj_3_sa_FloatList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->f_index);
+  p->f_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->e_index);
+  p->e_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->id2eword);
+  p->id2eword = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->id2fword);
+  p->id2fword = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->eword2id);
+  p->eword2id = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->fword2id);
+  p->fword2id = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa_BiLex[] = {
+  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_3_sa_5BiLex_3write_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_3_sa_5BiLex_5read_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_e_id"), (PyCFunction)__pyx_pw_3_sa_5BiLex_7get_e_id, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_f_id"), (PyCFunction)__pyx_pw_3_sa_5BiLex_9get_f_id, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_3_sa_5BiLex_11read_text, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_3_sa_5BiLex_13write_enhanced, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_score"), (PyCFunction)__pyx_pw_3_sa_5BiLex_15get_score, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_3_sa_5BiLex_17write_text, METH_O, __Pyx_DOCSTR(__pyx_doc_3_sa_5BiLex_16write_text)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_BiLex = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_BiLex = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_BiLex = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_BiLex = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_BiLex = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.BiLex"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_BiLex), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_BiLex, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_BiLex, /*tp_as_number*/
+  &__pyx_tp_as_sequence_BiLex, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_BiLex, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_BiLex, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_BiLex, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_BiLex, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_BiLex, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_BiLex, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa_BitSetIterator(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_BitSetIterator(PyObject *o) {
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static PyMethodDef __pyx_methods_3_sa_BitSetIterator[] = {
+  {__Pyx_NAMESTR("__next__"), (PyCFunction)__pyx_pw_3_sa_14BitSetIterator_1__next__, METH_NOARGS|METH_COEXIST, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_BitSetIterator = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_BitSetIterator = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_BitSetIterator = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_BitSetIterator = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_BitSetIterator = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.BitSetIterator"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_BitSetIterator), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_BitSetIterator, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_BitSetIterator, /*tp_as_number*/
+  &__pyx_tp_as_sequence_BitSetIterator, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_BitSetIterator, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_BitSetIterator, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  __pyx_pw_3_sa_14BitSetIterator_1__next__, /*tp_iternext*/
+  __pyx_methods_3_sa_BitSetIterator, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_BitSetIterator, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa_BitSet(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  if (__pyx_pw_3_sa_6BitSet_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_BitSet(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_3_sa_6BitSet_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static PyMethodDef __pyx_methods_3_sa_BitSet[] = {
+  {__Pyx_NAMESTR("insert"), (PyCFunction)__pyx_pw_3_sa_6BitSet_7insert, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("findsucc"), (PyCFunction)__pyx_pw_3_sa_6BitSet_9findsucc, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("min"), (PyCFunction)__pyx_pw_3_sa_6BitSet_13min, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("max"), (PyCFunction)__pyx_pw_3_sa_6BitSet_15max, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_BitSet = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_BitSet = {
+  __pyx_pw_3_sa_6BitSet_17__len__, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  __pyx_pw_3_sa_6BitSet_19__contains__, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_BitSet = {
+  __pyx_pw_3_sa_6BitSet_17__len__, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_BitSet = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_BitSet = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.BitSet"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_BitSet), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_BitSet, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_BitSet, /*tp_as_number*/
+  &__pyx_tp_as_sequence_BitSet, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_BitSet, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  __pyx_pw_3_sa_6BitSet_11__str__, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_BitSet, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  __pyx_pw_3_sa_6BitSet_5__iter__, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_BitSet, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_BitSet, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa_VEBIterator(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_VEBIterator(PyObject *o) {
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static PyMethodDef __pyx_methods_3_sa_VEBIterator[] = {
+  {__Pyx_NAMESTR("__next__"), (PyCFunction)__pyx_pw_3_sa_11VEBIterator_1__next__, METH_NOARGS|METH_COEXIST, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_VEBIterator = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_VEBIterator = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_VEBIterator = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_VEBIterator = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_VEBIterator = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.VEBIterator"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_VEBIterator), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_VEBIterator, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_VEBIterator, /*tp_as_number*/
+  &__pyx_tp_as_sequence_VEBIterator, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_VEBIterator, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_VEBIterator, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  __pyx_pw_3_sa_11VEBIterator_1__next__, /*tp_iternext*/
+  __pyx_methods_3_sa_VEBIterator, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_VEBIterator, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_VEB __pyx_vtable_3_sa_VEB;
+
+static PyObject *__pyx_tp_new_3_sa_VEB(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_VEB *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_VEB *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_VEB;
+  if (__pyx_pw_3_sa_3VEB_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_VEB(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_3_sa_3VEB_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static PyMethodDef __pyx_methods_3_sa_VEB[] = {
+  {__Pyx_NAMESTR("insert"), (PyCFunction)__pyx_pw_3_sa_3VEB_7insert, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("findsucc"), (PyCFunction)__pyx_pw_3_sa_3VEB_9findsucc, METH_O, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_VEB = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_VEB = {
+  __pyx_pw_3_sa_3VEB_11__len__, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  __pyx_pw_3_sa_3VEB_13__contains__, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_VEB = {
+  __pyx_pw_3_sa_3VEB_11__len__, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_VEB = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_VEB = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.VEB"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_VEB), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_VEB, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_VEB, /*tp_as_number*/
+  &__pyx_tp_as_sequence_VEB, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_VEB, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_VEB, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  __pyx_pw_3_sa_3VEB_5__iter__, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_VEB, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_VEB, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa_LCP(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_LCP *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_LCP *)o);
+  p->sa = ((struct __pyx_obj_3_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
+  p->lcp = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_3LCP_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_LCP(PyObject *o) {
+  struct __pyx_obj_3_sa_LCP *p = (struct __pyx_obj_3_sa_LCP *)o;
+  Py_XDECREF(((PyObject *)p->sa));
+  Py_XDECREF(((PyObject *)p->lcp));
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_LCP(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_LCP *p = (struct __pyx_obj_3_sa_LCP *)o;
+  if (p->sa) {
+    e = (*v)(((PyObject*)p->sa), a); if (e) return e;
+  }
+  if (p->lcp) {
+    e = (*v)(((PyObject*)p->lcp), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_LCP(PyObject *o) {
+  struct __pyx_obj_3_sa_LCP *p = (struct __pyx_obj_3_sa_LCP *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->sa);
+  p->sa = ((struct __pyx_obj_3_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->lcp);
+  p->lcp = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa_LCP[] = {
+  {__Pyx_NAMESTR("compute_stats"), (PyCFunction)__pyx_pw_3_sa_3LCP_3compute_stats, METH_O, __Pyx_DOCSTR(__pyx_doc_3_sa_3LCP_2compute_stats)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_LCP = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_LCP = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_LCP = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_LCP = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_LCP = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.LCP"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_LCP), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_LCP, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_LCP, /*tp_as_number*/
+  &__pyx_tp_as_sequence_LCP, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_LCP, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_LCP, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_LCP, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_LCP, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_LCP, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_LCP, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_Alphabet __pyx_vtable_3_sa_Alphabet;
+
+static PyObject *__pyx_tp_new_3_sa_Alphabet(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa_Alphabet *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_Alphabet *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_Alphabet;
+  p->terminals = ((struct __pyx_obj_3_sa_StringMap *)Py_None); Py_INCREF(Py_None);
+  p->nonterminals = ((struct __pyx_obj_3_sa_StringMap *)Py_None); Py_INCREF(Py_None);
+  p->id2sym = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_8Alphabet_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_Alphabet(PyObject *o) {
+  struct __pyx_obj_3_sa_Alphabet *p = (struct __pyx_obj_3_sa_Alphabet *)o;
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_3_sa_8Alphabet_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  Py_XDECREF(((PyObject *)p->terminals));
+  Py_XDECREF(((PyObject *)p->nonterminals));
+  Py_XDECREF(((PyObject *)p->id2sym));
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_Alphabet(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_Alphabet *p = (struct __pyx_obj_3_sa_Alphabet *)o;
+  if (p->terminals) {
+    e = (*v)(((PyObject*)p->terminals), a); if (e) return e;
+  }
+  if (p->nonterminals) {
+    e = (*v)(((PyObject*)p->nonterminals), a); if (e) return e;
+  }
+  if (p->id2sym) {
+    e = (*v)(p->id2sym, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_Alphabet(PyObject *o) {
+  struct __pyx_obj_3_sa_Alphabet *p = (struct __pyx_obj_3_sa_Alphabet *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->terminals);
+  p->terminals = ((struct __pyx_obj_3_sa_StringMap *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->nonterminals);
+  p->nonterminals = ((struct __pyx_obj_3_sa_StringMap *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->id2sym);
+  p->id2sym = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyObject *__pyx_getprop_3_sa_8Alphabet_terminals(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_8Alphabet_9terminals_1__get__(o);
+}
+
+static PyObject *__pyx_getprop_3_sa_8Alphabet_nonterminals(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_8Alphabet_12nonterminals_1__get__(o);
+}
+
+static PyMethodDef __pyx_methods_3_sa_Alphabet[] = {
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_3_sa_Alphabet[] = {
+  {(char *)"terminals", __pyx_getprop_3_sa_8Alphabet_terminals, 0, 0, 0},
+  {(char *)"nonterminals", __pyx_getprop_3_sa_8Alphabet_nonterminals, 0, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_Alphabet = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_Alphabet = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_Alphabet = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_Alphabet = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_Alphabet = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.Alphabet"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_Alphabet), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_Alphabet, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_Alphabet, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Alphabet, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Alphabet, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_Alphabet, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_Alphabet, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_Alphabet, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_Alphabet, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_3_sa_Alphabet, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_Alphabet, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_TrieMap __pyx_vtable_3_sa_TrieMap;
+
+static PyObject *__pyx_tp_new_3_sa_TrieMap(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_TrieMap *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_TrieMap *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_TrieMap;
+  if (__pyx_pw_3_sa_7TrieMap_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_TrieMap(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_3_sa_7TrieMap_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static PyMethodDef __pyx_methods_3_sa_TrieMap[] = {
+  {__Pyx_NAMESTR("insert"), (PyCFunction)__pyx_pw_3_sa_7TrieMap_5insert, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("contains"), (PyCFunction)__pyx_pw_3_sa_7TrieMap_7contains, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("toMap"), (PyCFunction)__pyx_pw_3_sa_7TrieMap_9toMap, METH_O, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_TrieMap = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_TrieMap = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_TrieMap = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_TrieMap = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_TrieMap = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.TrieMap"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_TrieMap), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_TrieMap, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_TrieMap, /*tp_as_number*/
+  &__pyx_tp_as_sequence_TrieMap, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_TrieMap, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_TrieMap, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_TrieMap, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_TrieMap, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_Precomputation __pyx_vtable_3_sa_Precomputation;
+
+static PyObject *__pyx_tp_new_3_sa_Precomputation(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_Precomputation *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_Precomputation *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_Precomputation;
+  p->precomputed_index = Py_None; Py_INCREF(Py_None);
+  p->precomputed_collocations = Py_None; Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_14Precomputation_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_Precomputation(PyObject *o) {
+  struct __pyx_obj_3_sa_Precomputation *p = (struct __pyx_obj_3_sa_Precomputation *)o;
+  Py_XDECREF(p->precomputed_index);
+  Py_XDECREF(p->precomputed_collocations);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_Precomputation(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_Precomputation *p = (struct __pyx_obj_3_sa_Precomputation *)o;
+  if (p->precomputed_index) {
+    e = (*v)(p->precomputed_index, a); if (e) return e;
+  }
+  if (p->precomputed_collocations) {
+    e = (*v)(p->precomputed_collocations, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_Precomputation(PyObject *o) {
+  struct __pyx_obj_3_sa_Precomputation *p = (struct __pyx_obj_3_sa_Precomputation *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->precomputed_index);
+  p->precomputed_index = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->precomputed_collocations);
+  p->precomputed_collocations = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa_Precomputation[] = {
+  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_3_sa_14Precomputation_3read_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_3_sa_14Precomputation_5write_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("precompute"), (PyCFunction)__pyx_pw_3_sa_14Precomputation_7precompute, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_Precomputation = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_Precomputation = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_Precomputation = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_Precomputation = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_Precomputation = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.Precomputation"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_Precomputation), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_Precomputation, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_Precomputation, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Precomputation, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Precomputation, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_Precomputation, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_Precomputation, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_Precomputation, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_Precomputation, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_Precomputation, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_SuffixArray __pyx_vtable_3_sa_SuffixArray;
+
+static PyObject *__pyx_tp_new_3_sa_SuffixArray(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_SuffixArray *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_SuffixArray *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_SuffixArray;
+  p->darray = ((struct __pyx_obj_3_sa_DataArray *)Py_None); Py_INCREF(Py_None);
+  p->sa = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->ha = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_11SuffixArray_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_SuffixArray(PyObject *o) {
+  struct __pyx_obj_3_sa_SuffixArray *p = (struct __pyx_obj_3_sa_SuffixArray *)o;
+  Py_XDECREF(((PyObject *)p->darray));
+  Py_XDECREF(((PyObject *)p->sa));
+  Py_XDECREF(((PyObject *)p->ha));
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_SuffixArray(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_SuffixArray *p = (struct __pyx_obj_3_sa_SuffixArray *)o;
+  if (p->darray) {
+    e = (*v)(((PyObject*)p->darray), a); if (e) return e;
+  }
+  if (p->sa) {
+    e = (*v)(((PyObject*)p->sa), a); if (e) return e;
+  }
+  if (p->ha) {
+    e = (*v)(((PyObject*)p->ha), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_SuffixArray(PyObject *o) {
+  struct __pyx_obj_3_sa_SuffixArray *p = (struct __pyx_obj_3_sa_SuffixArray *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->darray);
+  p->darray = ((struct __pyx_obj_3_sa_DataArray *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->sa);
+  p->sa = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->ha);
+  p->ha = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+static PyObject *__pyx_sq_item_3_sa_SuffixArray(PyObject *o, Py_ssize_t i) {
+  PyObject *r;
+  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
+  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
+  Py_DECREF(x);
+  return r;
+}
+
+static PyMethodDef __pyx_methods_3_sa_SuffixArray[] = {
+  {__Pyx_NAMESTR("getSentId"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_5getSentId, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getSent"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_7getSent, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getSentPos"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_9getSentPos, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_11read_text, METH_O, __Pyx_DOCSTR(__pyx_doc_3_sa_11SuffixArray_10read_text)},
+  {__Pyx_NAMESTR("q3sort"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_13q3sort, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_3_sa_11SuffixArray_12q3sort)},
+  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_15write_text, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_17read_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_19write_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_21write_enhanced, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("lookup"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_23lookup, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_SuffixArray = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_SuffixArray = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  __pyx_sq_item_3_sa_SuffixArray, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_SuffixArray = {
+  0, /*mp_length*/
+  __pyx_pw_3_sa_11SuffixArray_3__getitem__, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_SuffixArray = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_SuffixArray = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.SuffixArray"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_SuffixArray), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_SuffixArray, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_SuffixArray, /*tp_as_number*/
+  &__pyx_tp_as_sequence_SuffixArray, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_SuffixArray, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_SuffixArray, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_SuffixArray, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_SuffixArray, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_SuffixArray, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_SuffixArray, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa_TrieNode(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa_TrieNode *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_TrieNode *)o);
+  p->children = Py_None; Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_8TrieNode_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_TrieNode(PyObject *o) {
+  struct __pyx_obj_3_sa_TrieNode *p = (struct __pyx_obj_3_sa_TrieNode *)o;
+  Py_XDECREF(p->children);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_TrieNode(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_TrieNode *p = (struct __pyx_obj_3_sa_TrieNode *)o;
+  if (p->children) {
+    e = (*v)(p->children, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_TrieNode(PyObject *o) {
+  struct __pyx_obj_3_sa_TrieNode *p = (struct __pyx_obj_3_sa_TrieNode *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->children);
+  p->children = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyObject *__pyx_getprop_3_sa_8TrieNode_children(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_8TrieNode_8children_1__get__(o);
+}
+
+static int __pyx_setprop_3_sa_8TrieNode_children(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_3_sa_8TrieNode_8children_3__set__(o, v);
+  }
+  else {
+    return __pyx_pw_3_sa_8TrieNode_8children_5__del__(o);
+  }
+}
+
+static PyMethodDef __pyx_methods_3_sa_TrieNode[] = {
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_3_sa_TrieNode[] = {
+  {(char *)"children", __pyx_getprop_3_sa_8TrieNode_children, __pyx_setprop_3_sa_8TrieNode_children, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_TrieNode = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_TrieNode = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_TrieNode = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_TrieNode = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_TrieNode = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.TrieNode"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_TrieNode), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_TrieNode, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_TrieNode, /*tp_as_number*/
+  &__pyx_tp_as_sequence_TrieNode, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_TrieNode, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_TrieNode, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_TrieNode, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_TrieNode, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_TrieNode, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_3_sa_TrieNode, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_TrieNode, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa_ExtendedTrieNode(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_ExtendedTrieNode *p;
+  PyObject *o = __pyx_tp_new_3_sa_TrieNode(t, a, k);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_ExtendedTrieNode *)o);
+  p->phrase = Py_None; Py_INCREF(Py_None);
+  p->phrase_location = Py_None; Py_INCREF(Py_None);
+  p->suffix_link = Py_None; Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_16ExtendedTrieNode_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_ExtendedTrieNode(PyObject *o) {
+  struct __pyx_obj_3_sa_ExtendedTrieNode *p = (struct __pyx_obj_3_sa_ExtendedTrieNode *)o;
+  Py_XDECREF(p->phrase);
+  Py_XDECREF(p->phrase_location);
+  Py_XDECREF(p->suffix_link);
+  __pyx_tp_dealloc_3_sa_TrieNode(o);
+}
+
+static int __pyx_tp_traverse_3_sa_ExtendedTrieNode(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_ExtendedTrieNode *p = (struct __pyx_obj_3_sa_ExtendedTrieNode *)o;
+  e = __pyx_tp_traverse_3_sa_TrieNode(o, v, a); if (e) return e;
+  if (p->phrase) {
+    e = (*v)(p->phrase, a); if (e) return e;
+  }
+  if (p->phrase_location) {
+    e = (*v)(p->phrase_location, a); if (e) return e;
+  }
+  if (p->suffix_link) {
+    e = (*v)(p->suffix_link, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_ExtendedTrieNode(PyObject *o) {
+  struct __pyx_obj_3_sa_ExtendedTrieNode *p = (struct __pyx_obj_3_sa_ExtendedTrieNode *)o;
+  PyObject* tmp;
+  __pyx_tp_clear_3_sa_TrieNode(o);
+  tmp = ((PyObject*)p->phrase);
+  p->phrase = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->phrase_location);
+  p->phrase_location = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->suffix_link);
+  p->suffix_link = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyObject *__pyx_getprop_3_sa_16ExtendedTrieNode_phrase(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_16ExtendedTrieNode_6phrase_1__get__(o);
+}
+
+static int __pyx_setprop_3_sa_16ExtendedTrieNode_phrase(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_3_sa_16ExtendedTrieNode_6phrase_3__set__(o, v);
+  }
+  else {
+    return __pyx_pw_3_sa_16ExtendedTrieNode_6phrase_5__del__(o);
+  }
+}
+
+static PyObject *__pyx_getprop_3_sa_16ExtendedTrieNode_phrase_location(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_1__get__(o);
+}
+
+static int __pyx_setprop_3_sa_16ExtendedTrieNode_phrase_location(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_3__set__(o, v);
+  }
+  else {
+    return __pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_5__del__(o);
+  }
+}
+
+static PyObject *__pyx_getprop_3_sa_16ExtendedTrieNode_suffix_link(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_1__get__(o);
+}
+
+static int __pyx_setprop_3_sa_16ExtendedTrieNode_suffix_link(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_3__set__(o, v);
+  }
+  else {
+    return __pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_5__del__(o);
+  }
+}
+
+static PyMethodDef __pyx_methods_3_sa_ExtendedTrieNode[] = {
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_3_sa_ExtendedTrieNode[] = {
+  {(char *)"phrase", __pyx_getprop_3_sa_16ExtendedTrieNode_phrase, __pyx_setprop_3_sa_16ExtendedTrieNode_phrase, 0, 0},
+  {(char *)"phrase_location", __pyx_getprop_3_sa_16ExtendedTrieNode_phrase_location, __pyx_setprop_3_sa_16ExtendedTrieNode_phrase_location, 0, 0},
+  {(char *)"suffix_link", __pyx_getprop_3_sa_16ExtendedTrieNode_suffix_link, __pyx_setprop_3_sa_16ExtendedTrieNode_suffix_link, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_ExtendedTrieNode = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_ExtendedTrieNode = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_ExtendedTrieNode = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_ExtendedTrieNode = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_ExtendedTrieNode = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.ExtendedTrieNode"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_ExtendedTrieNode), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_ExtendedTrieNode, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_ExtendedTrieNode, /*tp_as_number*/
+  &__pyx_tp_as_sequence_ExtendedTrieNode, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_ExtendedTrieNode, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_ExtendedTrieNode, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_ExtendedTrieNode, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_ExtendedTrieNode, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_ExtendedTrieNode, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_3_sa_ExtendedTrieNode, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_ExtendedTrieNode, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa_TrieTable(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_TrieTable *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_TrieTable *)o);
+  p->root = Py_None; Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_9TrieTable_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_TrieTable(PyObject *o) {
+  struct __pyx_obj_3_sa_TrieTable *p = (struct __pyx_obj_3_sa_TrieTable *)o;
+  Py_XDECREF(p->root);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_TrieTable(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_TrieTable *p = (struct __pyx_obj_3_sa_TrieTable *)o;
+  if (p->root) {
+    e = (*v)(p->root, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_TrieTable(PyObject *o) {
+  struct __pyx_obj_3_sa_TrieTable *p = (struct __pyx_obj_3_sa_TrieTable *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->root);
+  p->root = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyObject *__pyx_getprop_3_sa_9TrieTable_extended(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_9TrieTable_8extended_1__get__(o);
+}
+
+static int __pyx_setprop_3_sa_9TrieTable_extended(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_3_sa_9TrieTable_8extended_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_3_sa_9TrieTable_count(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_9TrieTable_5count_1__get__(o);
+}
+
+static int __pyx_setprop_3_sa_9TrieTable_count(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_3_sa_9TrieTable_5count_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_3_sa_9TrieTable_root(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_9TrieTable_4root_1__get__(o);
+}
+
+static int __pyx_setprop_3_sa_9TrieTable_root(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_3_sa_9TrieTable_4root_3__set__(o, v);
+  }
+  else {
+    return __pyx_pw_3_sa_9TrieTable_4root_5__del__(o);
+  }
+}
+
+static PyMethodDef __pyx_methods_3_sa_TrieTable[] = {
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_3_sa_TrieTable[] = {
+  {(char *)"extended", __pyx_getprop_3_sa_9TrieTable_extended, __pyx_setprop_3_sa_9TrieTable_extended, 0, 0},
+  {(char *)"count", __pyx_getprop_3_sa_9TrieTable_count, __pyx_setprop_3_sa_9TrieTable_count, 0, 0},
+  {(char *)"root", __pyx_getprop_3_sa_9TrieTable_root, __pyx_setprop_3_sa_9TrieTable_root, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_TrieTable = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_TrieTable = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_TrieTable = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_TrieTable = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_TrieTable = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.TrieTable"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_TrieTable), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_TrieTable, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_TrieTable, /*tp_as_number*/
+  &__pyx_tp_as_sequence_TrieTable, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_TrieTable, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_TrieTable, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_TrieTable, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_TrieTable, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_TrieTable, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_3_sa_TrieTable, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_TrieTable, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_PhraseLocation __pyx_vtable_3_sa_PhraseLocation;
+
+static PyObject *__pyx_tp_new_3_sa_PhraseLocation(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_PhraseLocation *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_PhraseLocation *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_PhraseLocation;
+  p->arr = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_14PhraseLocation_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_PhraseLocation(PyObject *o) {
+  struct __pyx_obj_3_sa_PhraseLocation *p = (struct __pyx_obj_3_sa_PhraseLocation *)o;
+  Py_XDECREF(((PyObject *)p->arr));
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_PhraseLocation(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_PhraseLocation *p = (struct __pyx_obj_3_sa_PhraseLocation *)o;
+  if (p->arr) {
+    e = (*v)(((PyObject*)p->arr), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_PhraseLocation(PyObject *o) {
+  struct __pyx_obj_3_sa_PhraseLocation *p = (struct __pyx_obj_3_sa_PhraseLocation *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->arr);
+  p->arr = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa_PhraseLocation[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_PhraseLocation = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_PhraseLocation = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_PhraseLocation = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_PhraseLocation = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_PhraseLocation = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.PhraseLocation"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_PhraseLocation), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_PhraseLocation, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_PhraseLocation, /*tp_as_number*/
+  &__pyx_tp_as_sequence_PhraseLocation, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_PhraseLocation, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_PhraseLocation, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_PhraseLocation, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_PhraseLocation, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_PhraseLocation, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_PhraseLocation, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa_Sampler(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_Sampler *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_Sampler *)o);
+  p->sa = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_7Sampler_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_Sampler(PyObject *o) {
+  struct __pyx_obj_3_sa_Sampler *p = (struct __pyx_obj_3_sa_Sampler *)o;
+  Py_XDECREF(((PyObject *)p->sa));
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_Sampler(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_Sampler *p = (struct __pyx_obj_3_sa_Sampler *)o;
+  if (p->sa) {
+    e = (*v)(((PyObject*)p->sa), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_Sampler(PyObject *o) {
+  struct __pyx_obj_3_sa_Sampler *p = (struct __pyx_obj_3_sa_Sampler *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->sa);
+  p->sa = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa_Sampler[] = {
+  {__Pyx_NAMESTR("sample"), (PyCFunction)__pyx_pw_3_sa_7Sampler_3sample, METH_O, __Pyx_DOCSTR(__pyx_doc_3_sa_7Sampler_2sample)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_Sampler = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_Sampler = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_Sampler = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_Sampler = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa_Sampler = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.Sampler"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_Sampler), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_Sampler, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_Sampler, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Sampler, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Sampler, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_Sampler, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  __Pyx_DOCSTR("A Sampler implements a logic for choosing\n    samples from a population range"), /*tp_doc*/
+  __pyx_tp_traverse_3_sa_Sampler, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_Sampler, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_Sampler, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_Sampler, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+static struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory __pyx_vtable_3_sa_HieroCachingRuleFactory;
+
+static PyObject *__pyx_tp_new_3_sa_HieroCachingRuleFactory(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_HieroCachingRuleFactory;
+  p->rules = ((struct __pyx_obj_3_sa_TrieTable *)Py_None); Py_INCREF(Py_None);
+  p->sampler = ((struct __pyx_obj_3_sa_Sampler *)Py_None); Py_INCREF(Py_None);
+  p->precomputed_index = Py_None; Py_INCREF(Py_None);
+  p->precomputed_collocations = Py_None; Py_INCREF(Py_None);
+  p->precompute_file = Py_None; Py_INCREF(Py_None);
+  p->max_rank = Py_None; Py_INCREF(Py_None);
+  p->prev_norm_prefix = Py_None; Py_INCREF(Py_None);
+  p->fsa = ((struct __pyx_obj_3_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
+  p->fda = ((struct __pyx_obj_3_sa_DataArray *)Py_None); Py_INCREF(Py_None);
+  p->eda = ((struct __pyx_obj_3_sa_DataArray *)Py_None); Py_INCREF(Py_None);
+  p->alignment = ((struct __pyx_obj_3_sa_Alignment *)Py_None); Py_INCREF(Py_None);
+  p->eid2symid = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->fid2symid = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->findexes = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->findexes1 = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_HieroCachingRuleFactory(PyObject *o) {
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_3_sa_HieroCachingRuleFactory *)o;
+  Py_XDECREF(((PyObject *)p->rules));
+  Py_XDECREF(((PyObject *)p->sampler));
+  Py_XDECREF(p->precomputed_index);
+  Py_XDECREF(p->precomputed_collocations);
+  Py_XDECREF(p->precompute_file);
+  Py_XDECREF(p->max_rank);
+  Py_XDECREF(p->prev_norm_prefix);
+  Py_XDECREF(((PyObject *)p->fsa));
+  Py_XDECREF(((PyObject *)p->fda));
+  Py_XDECREF(((PyObject *)p->eda));
+  Py_XDECREF(((PyObject *)p->alignment));
+  Py_XDECREF(((PyObject *)p->eid2symid));
+  Py_XDECREF(((PyObject *)p->fid2symid));
+  Py_XDECREF(((PyObject *)p->findexes));
+  Py_XDECREF(((PyObject *)p->findexes1));
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_HieroCachingRuleFactory(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_3_sa_HieroCachingRuleFactory *)o;
+  if (p->rules) {
+    e = (*v)(((PyObject*)p->rules), a); if (e) return e;
+  }
+  if (p->sampler) {
+    e = (*v)(((PyObject*)p->sampler), a); if (e) return e;
+  }
+  if (p->precomputed_index) {
+    e = (*v)(p->precomputed_index, a); if (e) return e;
+  }
+  if (p->precomputed_collocations) {
+    e = (*v)(p->precomputed_collocations, a); if (e) return e;
+  }
+  if (p->precompute_file) {
+    e = (*v)(p->precompute_file, a); if (e) return e;
+  }
+  if (p->max_rank) {
+    e = (*v)(p->max_rank, a); if (e) return e;
+  }
+  if (p->prev_norm_prefix) {
+    e = (*v)(p->prev_norm_prefix, a); if (e) return e;
+  }
+  if (p->fsa) {
+    e = (*v)(((PyObject*)p->fsa), a); if (e) return e;
+  }
+  if (p->fda) {
+    e = (*v)(((PyObject*)p->fda), a); if (e) return e;
+  }
+  if (p->eda) {
+    e = (*v)(((PyObject*)p->eda), a); if (e) return e;
+  }
+  if (p->alignment) {
+    e = (*v)(((PyObject*)p->alignment), a); if (e) return e;
+  }
+  if (p->eid2symid) {
+    e = (*v)(((PyObject*)p->eid2symid), a); if (e) return e;
+  }
+  if (p->fid2symid) {
+    e = (*v)(((PyObject*)p->fid2symid), a); if (e) return e;
+  }
+  if (p->findexes) {
+    e = (*v)(((PyObject*)p->findexes), a); if (e) return e;
+  }
+  if (p->findexes1) {
+    e = (*v)(((PyObject*)p->findexes1), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_HieroCachingRuleFactory(PyObject *o) {
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_3_sa_HieroCachingRuleFactory *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->rules);
+  p->rules = ((struct __pyx_obj_3_sa_TrieTable *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->sampler);
+  p->sampler = ((struct __pyx_obj_3_sa_Sampler *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->precomputed_index);
+  p->precomputed_index = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->precomputed_collocations);
+  p->precomputed_collocations = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->precompute_file);
+  p->precompute_file = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->max_rank);
+  p->max_rank = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->prev_norm_prefix);
+  p->prev_norm_prefix = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->fsa);
+  p->fsa = ((struct __pyx_obj_3_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->fda);
+  p->fda = ((struct __pyx_obj_3_sa_DataArray *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->eda);
+  p->eda = ((struct __pyx_obj_3_sa_DataArray *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->alignment);
+  p->alignment = ((struct __pyx_obj_3_sa_Alignment *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->eid2symid);
+  p->eid2symid = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->fid2symid);
+  p->fid2symid = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->findexes);
+  p->findexes = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->findexes1);
+  p->findexes1 = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa_HieroCachingRuleFactory[] = {
+  {__Pyx_NAMESTR("configure"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_3configure, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_3_sa_23HieroCachingRuleFactory_2configure)},
+  {__Pyx_NAMESTR("pattern2phrase"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_5pattern2phrase, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("pattern2phrase_plus"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_7pattern2phrase_plus, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("precompute"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_9precompute, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_precomputed_collocation"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_11get_precomputed_collocation, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("advance"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_13advance, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_all_nodes_isteps_away"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_15get_all_nodes_isteps_away, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("reachable"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_17reachable, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("shortest"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_19shortest, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_next_states"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_21get_next_states, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("input"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_23input, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_3_sa_23HieroCachingRuleFactory_22input)},
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_HieroCachingRuleFactory = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
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+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_HieroCachingRuleFactory = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_HieroCachingRuleFactory = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_HieroCachingRuleFactory = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
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+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.HieroCachingRuleFactory"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_HieroCachingRuleFactory), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_HieroCachingRuleFactory, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_HieroCachingRuleFactory, /*tp_as_number*/
+  &__pyx_tp_as_sequence_HieroCachingRuleFactory, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_HieroCachingRuleFactory, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_HieroCachingRuleFactory, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  __Pyx_DOCSTR("This RuleFactory implements a caching \n    method using TrieTable, which makes phrase\n    generation somewhat speedier -- phrases only\n    need to be extracted once (however, it is\n    quite possible they need to be scored \n    for each input sentence, for contextual models)"), /*tp_doc*/
+  __pyx_tp_traverse_3_sa_HieroCachingRuleFactory, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_HieroCachingRuleFactory, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_HieroCachingRuleFactory, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_HieroCachingRuleFactory, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct__compute_stats(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *)o);
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+  p->__pyx_v_ngram_start = 0;
+  p->__pyx_v_ngram_starts = 0;
+  p->__pyx_v_run_start = 0;
+  p->__pyx_v_self = 0;
+  p->__pyx_v_veb = 0;
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+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct__compute_stats(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *p = (struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *)o;
+  Py_XDECREF(((PyObject *)p->__pyx_v_ngram));
+  Py_XDECREF(((PyObject *)p->__pyx_v_ngram_start));
+  Py_XDECREF(((PyObject *)p->__pyx_v_ngram_starts));
+  Py_XDECREF(((PyObject *)p->__pyx_v_run_start));
+  Py_XDECREF(((PyObject *)p->__pyx_v_self));
+  Py_XDECREF(((PyObject *)p->__pyx_v_veb));
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct__compute_stats(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *p = (struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *)o;
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+  }
+  if (p->__pyx_v_ngram_start) {
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+  if (p->__pyx_v_ngram_starts) {
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+  if (p->__pyx_v_run_start) {
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+  if (p->__pyx_v_self) {
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+  if (p->__pyx_v_veb) {
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+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct__compute_stats(PyObject *o) {
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+  Py_XDECREF(tmp);
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+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_run_start);
+  p->__pyx_v_run_start = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_self);
+  p->__pyx_v_self = ((struct __pyx_obj_3_sa_LCP *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_veb);
+  p->__pyx_v_veb = ((struct __pyx_obj_3_sa_VEB *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct__compute_stats[] = {
+  {0, 0, 0, 0}
+};
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+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct__compute_stats = {
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+  0, /*nb_subtract*/
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+  0, /*nb_coerce*/
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+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
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+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct__compute_stats = {
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+  0, /*sq_slice*/
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+  0, /*sq_inplace_repeat*/
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+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct__compute_stats = {
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+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
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+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct__compute_stats = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
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+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct__compute_stats = {
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+  __Pyx_NAMESTR("_sa.__pyx_scope_struct__compute_stats"), /*tp_name*/
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+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct__compute_stats, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct__compute_stats, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct__compute_stats, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct__compute_stats, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct__compute_stats, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct__compute_stats, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct__compute_stats, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct__compute_stats, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct__compute_stats, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_1___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *)o);
+  p->__pyx_v_self = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_1___iter__(PyObject *o) {
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+  Py_XDECREF(((PyObject *)p->__pyx_v_self));
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_1___iter__(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *)o;
+  if (p->__pyx_v_self) {
+    e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_1___iter__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_v_self);
+  p->__pyx_v_self = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_1___iter__[] = {
+  {0, 0, 0, 0}
+};
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+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_1___iter__ = {
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+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
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+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
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+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
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+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_1___iter__ = {
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+  0, /*sq_concat*/
+  0, /*sq_repeat*/
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+  0, /*sq_slice*/
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+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_1___iter__ = {
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+  0, /*mp_subscript*/
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+  0, /*bf_getreadbuffer*/
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+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_1___iter__ = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_1___iter__"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_1___iter__, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_1___iter__, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_1___iter__, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_1___iter__, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_1___iter__, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_1___iter__, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_1___iter__, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_1___iter__, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_1___iter__, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_2_input(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_2_input *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_2_input *)o);
+  p->__pyx_v_alignment = 0;
+  p->__pyx_v_als = 0;
+  p->__pyx_v_alslist = 0;
+  p->__pyx_v_chunklen = 0;
+  p->__pyx_v_count = 0;
+  p->__pyx_v_currcount = 0;
+  p->__pyx_v_e = 0;
+  p->__pyx_v_elist = 0;
+  p->__pyx_v_extract = 0;
+  p->__pyx_v_extract_start = 0;
+  p->__pyx_v_extract_stop = 0;
+  p->__pyx_v_extracts = 0;
+  p->__pyx_v_f = 0;
+  p->__pyx_v_f_margin = 0;
+  p->__pyx_v_fals = 0;
+  p->__pyx_v_fcount = 0;
+  p->__pyx_v_fphrases = 0;
+  p->__pyx_v_frontier = 0;
+  p->__pyx_v_frontier_nodes = 0;
+  p->__pyx_v_fwords = 0;
+  p->__pyx_v_hiero_phrase = 0;
+  p->__pyx_v_is_shadow_path = 0;
+  p->__pyx_v_key = 0;
+  p->__pyx_v_model = 0;
+  p->__pyx_v_models = 0;
+  p->__pyx_v_new_frontier = 0;
+  p->__pyx_v_new_node = 0;
+  p->__pyx_v_next_states = 0;
+  p->__pyx_v_node = 0;
+  p->__pyx_v_nodes_isteps_away_buffer = 0;
+  p->__pyx_v_pathlen = 0;
+  p->__pyx_v_phrase = 0;
+  p->__pyx_v_phrase_location = 0;
+  p->__pyx_v_prefix = 0;
+  p->__pyx_v_reachable_buffer = 0;
+  p->__pyx_v_sa_range = 0;
+  p->__pyx_v_sample = 0;
+  p->__pyx_v_scores = 0;
+  p->__pyx_v_self = 0;
+  p->__pyx_v_spanlen = 0;
+  p->__pyx_v_stop_time = 0;
+  p->__pyx_v_suffix_link = 0;
+  p->__pyx_v_suffix_link_xcat_index = 0;
+  p->__pyx_v_word_id = 0;
+  p->__pyx_v_xcat_index = 0;
+  p->__pyx_v_xnode = 0;
+  p->__pyx_v_xroot = 0;
+  p->__pyx_t_1 = 0;
+  p->__pyx_t_4 = 0;
+  p->__pyx_t_5 = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_2_input(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_2_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_2_input *)o;
+  Py_XDECREF(p->__pyx_v_alignment);
+  Py_XDECREF(p->__pyx_v_als);
+  Py_XDECREF(p->__pyx_v_alslist);
+  Py_XDECREF(((PyObject *)p->__pyx_v_chunklen));
+  Py_XDECREF(p->__pyx_v_count);
+  Py_XDECREF(p->__pyx_v_currcount);
+  Py_XDECREF(p->__pyx_v_e);
+  Py_XDECREF(p->__pyx_v_elist);
+  Py_XDECREF(p->__pyx_v_extract);
+  Py_XDECREF(p->__pyx_v_extract_start);
+  Py_XDECREF(p->__pyx_v_extract_stop);
+  Py_XDECREF(((PyObject *)p->__pyx_v_extracts));
+  Py_XDECREF(p->__pyx_v_f);
+  Py_XDECREF(p->__pyx_v_f_margin);
+  Py_XDECREF(((PyObject *)p->__pyx_v_fals));
+  Py_XDECREF(((PyObject *)p->__pyx_v_fcount));
+  Py_XDECREF(((PyObject *)p->__pyx_v_fphrases));
+  Py_XDECREF(((PyObject *)p->__pyx_v_frontier));
+  Py_XDECREF(p->__pyx_v_frontier_nodes);
+  Py_XDECREF(p->__pyx_v_fwords);
+  Py_XDECREF(((PyObject *)p->__pyx_v_hiero_phrase));
+  Py_XDECREF(p->__pyx_v_is_shadow_path);
+  Py_XDECREF(((PyObject *)p->__pyx_v_key));
+  Py_XDECREF(p->__pyx_v_model);
+  Py_XDECREF(p->__pyx_v_models);
+  Py_XDECREF(((PyObject *)p->__pyx_v_new_frontier));
+  Py_XDECREF(p->__pyx_v_new_node);
+  Py_XDECREF(((PyObject *)p->__pyx_v_next_states));
+  Py_XDECREF(p->__pyx_v_node);
+  Py_XDECREF(((PyObject *)p->__pyx_v_nodes_isteps_away_buffer));
+  Py_XDECREF(p->__pyx_v_pathlen);
+  Py_XDECREF(p->__pyx_v_phrase);
+  Py_XDECREF(((PyObject *)p->__pyx_v_phrase_location));
+  Py_XDECREF(p->__pyx_v_prefix);
+  Py_XDECREF(((PyObject *)p->__pyx_v_reachable_buffer));
+  Py_XDECREF(p->__pyx_v_sa_range);
+  Py_XDECREF(((PyObject *)p->__pyx_v_sample));
+  Py_XDECREF(((PyObject *)p->__pyx_v_scores));
+  Py_XDECREF(((PyObject *)p->__pyx_v_self));
+  Py_XDECREF(p->__pyx_v_spanlen);
+  Py_XDECREF(p->__pyx_v_stop_time);
+  Py_XDECREF(p->__pyx_v_suffix_link);
+  Py_XDECREF(p->__pyx_v_suffix_link_xcat_index);
+  Py_XDECREF(p->__pyx_v_word_id);
+  Py_XDECREF(p->__pyx_v_xcat_index);
+  Py_XDECREF(p->__pyx_v_xnode);
+  Py_XDECREF(p->__pyx_v_xroot);
+  Py_XDECREF(p->__pyx_t_1);
+  Py_XDECREF(p->__pyx_t_4);
+  Py_XDECREF(p->__pyx_t_5);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_2_input(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_2_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_2_input *)o;
+  if (p->__pyx_v_alignment) {
+    e = (*v)(p->__pyx_v_alignment, a); if (e) return e;
+  }
+  if (p->__pyx_v_als) {
+    e = (*v)(p->__pyx_v_als, a); if (e) return e;
+  }
+  if (p->__pyx_v_alslist) {
+    e = (*v)(p->__pyx_v_alslist, a); if (e) return e;
+  }
+  if (p->__pyx_v_chunklen) {
+    e = (*v)(((PyObject*)p->__pyx_v_chunklen), a); if (e) return e;
+  }
+  if (p->__pyx_v_count) {
+    e = (*v)(p->__pyx_v_count, a); if (e) return e;
+  }
+  if (p->__pyx_v_currcount) {
+    e = (*v)(p->__pyx_v_currcount, a); if (e) return e;
+  }
+  if (p->__pyx_v_e) {
+    e = (*v)(p->__pyx_v_e, a); if (e) return e;
+  }
+  if (p->__pyx_v_elist) {
+    e = (*v)(p->__pyx_v_elist, a); if (e) return e;
+  }
+  if (p->__pyx_v_extract) {
+    e = (*v)(p->__pyx_v_extract, a); if (e) return e;
+  }
+  if (p->__pyx_v_extract_start) {
+    e = (*v)(p->__pyx_v_extract_start, a); if (e) return e;
+  }
+  if (p->__pyx_v_extract_stop) {
+    e = (*v)(p->__pyx_v_extract_stop, a); if (e) return e;
+  }
+  if (p->__pyx_v_extracts) {
+    e = (*v)(p->__pyx_v_extracts, a); if (e) return e;
+  }
+  if (p->__pyx_v_f) {
+    e = (*v)(p->__pyx_v_f, a); if (e) return e;
+  }
+  if (p->__pyx_v_f_margin) {
+    e = (*v)(p->__pyx_v_f_margin, a); if (e) return e;
+  }
+  if (p->__pyx_v_fals) {
+    e = (*v)(p->__pyx_v_fals, a); if (e) return e;
+  }
+  if (p->__pyx_v_fcount) {
+    e = (*v)(p->__pyx_v_fcount, a); if (e) return e;
+  }
+  if (p->__pyx_v_fphrases) {
+    e = (*v)(p->__pyx_v_fphrases, a); if (e) return e;
+  }
+  if (p->__pyx_v_frontier) {
+    e = (*v)(p->__pyx_v_frontier, a); if (e) return e;
+  }
+  if (p->__pyx_v_frontier_nodes) {
+    e = (*v)(p->__pyx_v_frontier_nodes, a); if (e) return e;
+  }
+  if (p->__pyx_v_fwords) {
+    e = (*v)(p->__pyx_v_fwords, a); if (e) return e;
+  }
+  if (p->__pyx_v_hiero_phrase) {
+    e = (*v)(((PyObject*)p->__pyx_v_hiero_phrase), a); if (e) return e;
+  }
+  if (p->__pyx_v_is_shadow_path) {
+    e = (*v)(p->__pyx_v_is_shadow_path, a); if (e) return e;
+  }
+  if (p->__pyx_v_key) {
+    e = (*v)(p->__pyx_v_key, a); if (e) return e;
+  }
+  if (p->__pyx_v_model) {
+    e = (*v)(p->__pyx_v_model, a); if (e) return e;
+  }
+  if (p->__pyx_v_models) {
+    e = (*v)(p->__pyx_v_models, a); if (e) return e;
+  }
+  if (p->__pyx_v_new_frontier) {
+    e = (*v)(p->__pyx_v_new_frontier, a); if (e) return e;
+  }
+  if (p->__pyx_v_new_node) {
+    e = (*v)(p->__pyx_v_new_node, a); if (e) return e;
+  }
+  if (p->__pyx_v_next_states) {
+    e = (*v)(p->__pyx_v_next_states, a); if (e) return e;
+  }
+  if (p->__pyx_v_node) {
+    e = (*v)(p->__pyx_v_node, a); if (e) return e;
+  }
+  if (p->__pyx_v_nodes_isteps_away_buffer) {
+    e = (*v)(p->__pyx_v_nodes_isteps_away_buffer, a); if (e) return e;
+  }
+  if (p->__pyx_v_pathlen) {
+    e = (*v)(p->__pyx_v_pathlen, a); if (e) return e;
+  }
+  if (p->__pyx_v_phrase) {
+    e = (*v)(p->__pyx_v_phrase, a); if (e) return e;
+  }
+  if (p->__pyx_v_phrase_location) {
+    e = (*v)(((PyObject*)p->__pyx_v_phrase_location), a); if (e) return e;
+  }
+  if (p->__pyx_v_prefix) {
+    e = (*v)(p->__pyx_v_prefix, a); if (e) return e;
+  }
+  if (p->__pyx_v_reachable_buffer) {
+    e = (*v)(p->__pyx_v_reachable_buffer, a); if (e) return e;
+  }
+  if (p->__pyx_v_sa_range) {
+    e = (*v)(p->__pyx_v_sa_range, a); if (e) return e;
+  }
+  if (p->__pyx_v_sample) {
+    e = (*v)(((PyObject*)p->__pyx_v_sample), a); if (e) return e;
+  }
+  if (p->__pyx_v_scores) {
+    e = (*v)(p->__pyx_v_scores, a); if (e) return e;
+  }
+  if (p->__pyx_v_self) {
+    e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
+  }
+  if (p->__pyx_v_spanlen) {
+    e = (*v)(p->__pyx_v_spanlen, a); if (e) return e;
+  }
+  if (p->__pyx_v_stop_time) {
+    e = (*v)(p->__pyx_v_stop_time, a); if (e) return e;
+  }
+  if (p->__pyx_v_suffix_link) {
+    e = (*v)(p->__pyx_v_suffix_link, a); if (e) return e;
+  }
+  if (p->__pyx_v_suffix_link_xcat_index) {
+    e = (*v)(p->__pyx_v_suffix_link_xcat_index, a); if (e) return e;
+  }
+  if (p->__pyx_v_word_id) {
+    e = (*v)(p->__pyx_v_word_id, a); if (e) return e;
+  }
+  if (p->__pyx_v_xcat_index) {
+    e = (*v)(p->__pyx_v_xcat_index, a); if (e) return e;
+  }
+  if (p->__pyx_v_xnode) {
+    e = (*v)(p->__pyx_v_xnode, a); if (e) return e;
+  }
+  if (p->__pyx_v_xroot) {
+    e = (*v)(p->__pyx_v_xroot, a); if (e) return e;
+  }
+  if (p->__pyx_t_1) {
+    e = (*v)(p->__pyx_t_1, a); if (e) return e;
+  }
+  if (p->__pyx_t_4) {
+    e = (*v)(p->__pyx_t_4, a); if (e) return e;
+  }
+  if (p->__pyx_t_5) {
+    e = (*v)(p->__pyx_t_5, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_2_input(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_2_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_2_input *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_v_alignment);
+  p->__pyx_v_alignment = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_als);
+  p->__pyx_v_als = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_alslist);
+  p->__pyx_v_alslist = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_chunklen);
+  p->__pyx_v_chunklen = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_count);
+  p->__pyx_v_count = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_currcount);
+  p->__pyx_v_currcount = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_e);
+  p->__pyx_v_e = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_elist);
+  p->__pyx_v_elist = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_extract);
+  p->__pyx_v_extract = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_extract_start);
+  p->__pyx_v_extract_start = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_extract_stop);
+  p->__pyx_v_extract_stop = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_extracts);
+  p->__pyx_v_extracts = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_f);
+  p->__pyx_v_f = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_f_margin);
+  p->__pyx_v_f_margin = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_fals);
+  p->__pyx_v_fals = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_fcount);
+  p->__pyx_v_fcount = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_fphrases);
+  p->__pyx_v_fphrases = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_frontier);
+  p->__pyx_v_frontier = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_frontier_nodes);
+  p->__pyx_v_frontier_nodes = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_fwords);
+  p->__pyx_v_fwords = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_hiero_phrase);
+  p->__pyx_v_hiero_phrase = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_is_shadow_path);
+  p->__pyx_v_is_shadow_path = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_key);
+  p->__pyx_v_key = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_model);
+  p->__pyx_v_model = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_models);
+  p->__pyx_v_models = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_new_frontier);
+  p->__pyx_v_new_frontier = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_new_node);
+  p->__pyx_v_new_node = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_next_states);
+  p->__pyx_v_next_states = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_node);
+  p->__pyx_v_node = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_nodes_isteps_away_buffer);
+  p->__pyx_v_nodes_isteps_away_buffer = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_pathlen);
+  p->__pyx_v_pathlen = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_phrase);
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+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_phrase_location);
+  p->__pyx_v_phrase_location = ((struct __pyx_obj_3_sa_PhraseLocation *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_prefix);
+  p->__pyx_v_prefix = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_reachable_buffer);
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+  Py_XDECREF(tmp);
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+  tmp = ((PyObject*)p->__pyx_v_sample);
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+  tmp = ((PyObject*)p->__pyx_v_self);
+  p->__pyx_v_self = ((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)Py_None); Py_INCREF(Py_None);
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+  tmp = ((PyObject*)p->__pyx_v_spanlen);
+  p->__pyx_v_spanlen = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_stop_time);
+  p->__pyx_v_stop_time = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_suffix_link);
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+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
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+  #if PY_MAJOR_VERSION < 3
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+  0, /*nb_hex*/
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+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
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+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
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+  0, /*nb_inplace_xor*/
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+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
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+  0, /*nb_index*/
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+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
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+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
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+  0, /*bf_getreadbuffer*/
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+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
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+  0, /*bf_getcharbuffer*/
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+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
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+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
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+  0, /*tp_compare*/
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+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
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+  __pyx_tp_clear_3_sa___pyx_scope_struct_2_input, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
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+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_2_input, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
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+    -1, /* m_size */
+    __pyx_methods /* m_methods */,
+    NULL, /* m_reload */
+    NULL, /* m_traverse */
+    NULL, /* m_clear */
+    NULL /* m_free */
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+  #else
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+  __pyx_vtable_3_sa_BiLex.qsort = (PyObject *(*)(struct __pyx_obj_3_sa_BiLex *, int, int, PyObject *))__pyx_f_3_sa_5BiLex_qsort;
+  if (PyType_Ready(&__pyx_type_3_sa_BiLex) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_BiLex.tp_dict, __pyx_vtabptr_3_sa_BiLex) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "BiLex", (PyObject *)&__pyx_type_3_sa_BiLex) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_BiLex = &__pyx_type_3_sa_BiLex;
+  if (PyType_Ready(&__pyx_type_3_sa_BitSetIterator) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "BitSetIterator", (PyObject *)&__pyx_type_3_sa_BitSetIterator) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_BitSetIterator = &__pyx_type_3_sa_BitSetIterator;
+  if (PyType_Ready(&__pyx_type_3_sa_BitSet) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "BitSet", (PyObject *)&__pyx_type_3_sa_BitSet) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_BitSet = &__pyx_type_3_sa_BitSet;
+  if (PyType_Ready(&__pyx_type_3_sa_VEBIterator) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 340; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "VEBIterator", (PyObject *)&__pyx_type_3_sa_VEBIterator) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 340; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_VEBIterator = &__pyx_type_3_sa_VEBIterator;
+  __pyx_vtabptr_3_sa_VEB = &__pyx_vtable_3_sa_VEB;
+  __pyx_vtable_3_sa_VEB._findsucc = (int (*)(struct __pyx_obj_3_sa_VEB *, int))__pyx_f_3_sa_3VEB__findsucc;
+  __pyx_vtable_3_sa_VEB._insert = (int (*)(struct __pyx_obj_3_sa_VEB *, int))__pyx_f_3_sa_3VEB__insert;
+  __pyx_vtable_3_sa_VEB._first = (int (*)(struct __pyx_obj_3_sa_VEB *))__pyx_f_3_sa_3VEB__first;
+  if (PyType_Ready(&__pyx_type_3_sa_VEB) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 354; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_VEB.tp_dict, __pyx_vtabptr_3_sa_VEB) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 354; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "VEB", (PyObject *)&__pyx_type_3_sa_VEB) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 354; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_VEB = &__pyx_type_3_sa_VEB;
+  if (PyType_Ready(&__pyx_type_3_sa_LCP) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "LCP", (PyObject *)&__pyx_type_3_sa_LCP) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_LCP = &__pyx_type_3_sa_LCP;
+  __pyx_vtabptr_3_sa_Alphabet = &__pyx_vtable_3_sa_Alphabet;
+  __pyx_vtable_3_sa_Alphabet.isvar = (int (*)(struct __pyx_obj_3_sa_Alphabet *, int))__pyx_f_3_sa_8Alphabet_isvar;
+  __pyx_vtable_3_sa_Alphabet.isword = (int (*)(struct __pyx_obj_3_sa_Alphabet *, int))__pyx_f_3_sa_8Alphabet_isword;
+  __pyx_vtable_3_sa_Alphabet.getindex = (int (*)(struct __pyx_obj_3_sa_Alphabet *, int))__pyx_f_3_sa_8Alphabet_getindex;
+  __pyx_vtable_3_sa_Alphabet.setindex = (int (*)(struct __pyx_obj_3_sa_Alphabet *, int, int))__pyx_f_3_sa_8Alphabet_setindex;
+  __pyx_vtable_3_sa_Alphabet.clearindex = (int (*)(struct __pyx_obj_3_sa_Alphabet *, int))__pyx_f_3_sa_8Alphabet_clearindex;
+  __pyx_vtable_3_sa_Alphabet.match = (int (*)(struct __pyx_obj_3_sa_Alphabet *, int, int))__pyx_f_3_sa_8Alphabet_match;
+  __pyx_vtable_3_sa_Alphabet.tocat = (char *(*)(struct __pyx_obj_3_sa_Alphabet *, int))__pyx_f_3_sa_8Alphabet_tocat;
+  __pyx_vtable_3_sa_Alphabet.fromcat = (int (*)(struct __pyx_obj_3_sa_Alphabet *, char *))__pyx_f_3_sa_8Alphabet_fromcat;
+  __pyx_vtable_3_sa_Alphabet.tostring = (char *(*)(struct __pyx_obj_3_sa_Alphabet *, int))__pyx_f_3_sa_8Alphabet_tostring;
+  __pyx_vtable_3_sa_Alphabet.fromstring = (int (*)(struct __pyx_obj_3_sa_Alphabet *, char *, int))__pyx_f_3_sa_8Alphabet_fromstring;
+  if (PyType_Ready(&__pyx_type_3_sa_Alphabet) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_Alphabet.tp_dict, __pyx_vtabptr_3_sa_Alphabet) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Alphabet", (PyObject *)&__pyx_type_3_sa_Alphabet) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_Alphabet = &__pyx_type_3_sa_Alphabet;
+  __pyx_vtabptr_3_sa_TrieMap = &__pyx_vtable_3_sa_TrieMap;
+  __pyx_vtable_3_sa_TrieMap._insert = (struct __pyx_t_3_sa__Trie_Node *(*)(struct __pyx_obj_3_sa_TrieMap *, int *, int))__pyx_f_3_sa_7TrieMap__insert;
+  __pyx_vtable_3_sa_TrieMap._contains = (struct __pyx_t_3_sa__Trie_Node *(*)(struct __pyx_obj_3_sa_TrieMap *, int *, int))__pyx_f_3_sa_7TrieMap__contains;
+  if (PyType_Ready(&__pyx_type_3_sa_TrieMap) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_TrieMap.tp_dict, __pyx_vtabptr_3_sa_TrieMap) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "TrieMap", (PyObject *)&__pyx_type_3_sa_TrieMap) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_TrieMap = &__pyx_type_3_sa_TrieMap;
+  __pyx_vtabptr_3_sa_Precomputation = &__pyx_vtable_3_sa_Precomputation;
+  __pyx_vtable_3_sa_Precomputation.read_map = (PyObject *(*)(struct __pyx_obj_3_sa_Precomputation *, FILE *))__pyx_f_3_sa_14Precomputation_read_map;
+  __pyx_vtable_3_sa_Precomputation.write_map = (PyObject *(*)(struct __pyx_obj_3_sa_Precomputation *, PyObject *, FILE *))__pyx_f_3_sa_14Precomputation_write_map;
+  if (PyType_Ready(&__pyx_type_3_sa_Precomputation) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_Precomputation.tp_dict, __pyx_vtabptr_3_sa_Precomputation) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Precomputation", (PyObject *)&__pyx_type_3_sa_Precomputation) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_Precomputation = &__pyx_type_3_sa_Precomputation;
+  __pyx_vtabptr_3_sa_SuffixArray = &__pyx_vtable_3_sa_SuffixArray;
+  __pyx_vtable_3_sa_SuffixArray.__pyx___search_high = (int (*)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int))__pyx_f_3_sa_11SuffixArray___search_high;
+  __pyx_vtable_3_sa_SuffixArray.__pyx___search_low = (int (*)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int))__pyx_f_3_sa_11SuffixArray___search_low;
+  __pyx_vtable_3_sa_SuffixArray.__pyx___get_range = (PyObject *(*)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int, int))__pyx_f_3_sa_11SuffixArray___get_range;
+  __pyx_vtable_3_sa_SuffixArray.__pyx___lookup_helper = (PyObject *(*)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int))__pyx_f_3_sa_11SuffixArray___lookup_helper;
+  if (PyType_Ready(&__pyx_type_3_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_SuffixArray.tp_dict, __pyx_vtabptr_3_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "SuffixArray", (PyObject *)&__pyx_type_3_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_SuffixArray = &__pyx_type_3_sa_SuffixArray;
+  if (PyType_Ready(&__pyx_type_3_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "TrieNode", (PyObject *)&__pyx_type_3_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_TrieNode = &__pyx_type_3_sa_TrieNode;
+  __pyx_type_3_sa_ExtendedTrieNode.tp_base = __pyx_ptype_3_sa_TrieNode;
+  if (PyType_Ready(&__pyx_type_3_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "ExtendedTrieNode", (PyObject *)&__pyx_type_3_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_ExtendedTrieNode = &__pyx_type_3_sa_ExtendedTrieNode;
+  if (PyType_Ready(&__pyx_type_3_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "TrieTable", (PyObject *)&__pyx_type_3_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_TrieTable = &__pyx_type_3_sa_TrieTable;
+  __pyx_vtabptr_3_sa_PhraseLocation = &__pyx_vtable_3_sa_PhraseLocation;
+  __pyx_vtable_3_sa_PhraseLocation.contains = (int (*)(struct __pyx_obj_3_sa_PhraseLocation *, int))__pyx_f_3_sa_14PhraseLocation_contains;
+  if (PyType_Ready(&__pyx_type_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_PhraseLocation.tp_dict, __pyx_vtabptr_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "PhraseLocation", (PyObject *)&__pyx_type_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_PhraseLocation = &__pyx_type_3_sa_PhraseLocation;
+  if (PyType_Ready(&__pyx_type_3_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 79; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Sampler", (PyObject *)&__pyx_type_3_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 79; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_Sampler = &__pyx_type_3_sa_Sampler;
+  __pyx_vtabptr_3_sa_HieroCachingRuleFactory = &__pyx_vtable_3_sa_HieroCachingRuleFactory;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.set_idmap = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_DataArray *))__pyx_f_3_sa_23HieroCachingRuleFactory_set_idmap;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.baeza_yates_helper = (int *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *))__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.compare_matchings_set = (long (*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int, struct __pyx_t_3_sa_Matching *, int, int))__pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.compare_matchings = (long (*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_t_3_sa_Matching *, struct __pyx_t_3_sa_Matching *, int, int))__pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.merge_helper = (int *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *))__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.sort_phrase_loc = (void (*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_IntList *, struct __pyx_obj_3_sa_PhraseLocation *, struct __pyx_obj_3_sa_Phrase *))__pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.intersect_helper = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_obj_3_sa_PhraseLocation *, struct __pyx_obj_3_sa_PhraseLocation *, int))__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.loc2str = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_PhraseLocation *))__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.intersect = (struct __pyx_obj_3_sa_PhraseLocation *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, PyObject *, PyObject *, struct __pyx_obj_3_sa_Phrase *))__pyx_f_3_sa_23HieroCachingRuleFactory_intersect;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.find_fixpoint = (int (*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, PyObject *, int *, int *, int *, int *, int, int, int *, int *, int *, int *, int, int, int, int, int, int, int, int, int, int, int))__pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.find_projection = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int *))__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.int_arr_extend = (int *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int *, int *, int *, int))__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.extract_phrases = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int, int, int, int *, int *, int *, int, int, int))__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.create_alignments = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int *, int, PyObject *, PyObject *))__pyx_f_3_sa_23HieroCachingRuleFactory_create_alignments;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.extract = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_t_3_sa_Matching *, int *, int))__pyx_f_3_sa_23HieroCachingRuleFactory_extract;
+  if (PyType_Ready(&__pyx_type_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_HieroCachingRuleFactory.tp_dict, __pyx_vtabptr_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "HieroCachingRuleFactory", (PyObject *)&__pyx_type_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_HieroCachingRuleFactory = &__pyx_type_3_sa_HieroCachingRuleFactory;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct__compute_stats) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 36; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct__compute_stats = &__pyx_type_3_sa___pyx_scope_struct__compute_stats;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_1___iter__) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 141; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_1___iter__ = &__pyx_type_3_sa___pyx_scope_struct_1___iter__;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_2_input) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 919; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_2_input = &__pyx_type_3_sa___pyx_scope_struct_2_input;
+  /*--- Type import code ---*/
+  /*--- Variable import code ---*/
+  /*--- Function import code ---*/
+  /*--- Execution code ---*/
+
+  /* "_sa.pyx":1
+ * import logging             # <<<<<<<<<<<<<<
+ * import resource
+ * import gzip
+ */
+  __pyx_t_1 = __Pyx_Import(((PyObject *)__pyx_n_s__logging), 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__logging, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "_sa.pyx":2
+ * import logging
+ * import resource             # <<<<<<<<<<<<<<
+ * import gzip
+ * 
+ */
+  __pyx_t_1 = __Pyx_Import(((PyObject *)__pyx_n_s__resource), 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
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+}
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+        Py_DECREF(value);
+        value = type;
+        #if PY_VERSION_HEX < 0x02050000
+            if (PyInstance_Check(type)) {
+                type = (PyObject*) ((PyInstanceObject*)type)->in_class;
+                Py_INCREF(type);
+            }
+            else {
+                type = 0;
+                PyErr_SetString(PyExc_TypeError,
+                    "raise: exception must be an old-style class or instance");
+                goto raise_error;
+            }
+        #else
+            type = (PyObject*) Py_TYPE(type);
+            Py_INCREF(type);
+            if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
+                PyErr_SetString(PyExc_TypeError,
+                    "raise: exception class must be a subclass of BaseException");
+                goto raise_error;
+            }
+        #endif
+    }
+    __Pyx_ErrRestore(type, value, tb);
+    return;
+raise_error:
+    Py_XDECREF(value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+    return;
+}
+#else /* Python 3+ */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    if (tb == Py_None) {
+        tb = 0;
+    } else if (tb && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto bad;
+    }
+    if (value == Py_None)
+        value = 0;
+    if (PyExceptionInstance_Check(type)) {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto bad;
+        }
+        value = type;
+        type = (PyObject*) Py_TYPE(value);
+    } else if (!PyExceptionClass_Check(type)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: exception class must be a subclass of BaseException");
+        goto bad;
+    }
+    if (cause) {
+        PyObject *fixed_cause;
+        if (PyExceptionClass_Check(cause)) {
+            fixed_cause = PyObject_CallObject(cause, NULL);
+            if (fixed_cause == NULL)
+                goto bad;
+        }
+        else if (PyExceptionInstance_Check(cause)) {
+            fixed_cause = cause;
+            Py_INCREF(fixed_cause);
+        }
+        else {
+            PyErr_SetString(PyExc_TypeError,
+                            "exception causes must derive from "
+                            "BaseException");
+            goto bad;
+        }
+        if (!value) {
+            value = PyObject_CallObject(type, NULL);
+        }
+        PyException_SetCause(value, fixed_cause);
+    }
+    PyErr_SetObject(type, value);
+    if (tb) {
+        PyThreadState *tstate = PyThreadState_GET();
+        PyObject* tmp_tb = tstate->curexc_traceback;
+        if (tb != tmp_tb) {
+            Py_INCREF(tb);
+            tstate->curexc_traceback = tb;
+            Py_XDECREF(tmp_tb);
+        }
+    }
+bad:
+    return;
+}
+#endif
+
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
+    if (unlikely(!type)) {
+        PyErr_Format(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    if (likely(PyObject_TypeCheck(obj, type)))
+        return 1;
+    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
+                 Py_TYPE(obj)->tp_name, type->tp_name);
+    return 0;
+}
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
+    PyObject *kwdict,
+    const char* function_name,
+    int kw_allowed)
+{
+    PyObject* key = 0;
+    Py_ssize_t pos = 0;
+#if CPYTHON_COMPILING_IN_PYPY
+    if (!kw_allowed && PyDict_Next(kwdict, &pos, &key, 0))
+        goto invalid_keyword;
+    return 1;
+#else
+    while (PyDict_Next(kwdict, &pos, &key, 0)) {
+        #if PY_MAJOR_VERSION < 3
+        if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
+        #else
+        if (unlikely(!PyUnicode_Check(key)))
+        #endif
+            goto invalid_keyword_type;
+    }
+    if ((!kw_allowed) && unlikely(key))
+        goto invalid_keyword;
+    return 1;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%s() keywords must be strings", function_name);
+    return 0;
+#endif
+invalid_keyword:
+    PyErr_Format(PyExc_TypeError,
+    #if PY_MAJOR_VERSION < 3
+        "%s() got an unexpected keyword argument '%s'",
+        function_name, PyString_AsString(key));
+    #else
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+    return 0;
+}
+
+static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
+    PyObject *local_type, *local_value, *local_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    PyThreadState *tstate = PyThreadState_GET();
+    local_type = tstate->curexc_type;
+    local_value = tstate->curexc_value;
+    local_tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#else
+    PyErr_Fetch(&local_type, &local_value, &local_tb);
+#endif
+    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (unlikely(tstate->curexc_type))
+#else
+    if (unlikely(PyErr_Occurred()))
+#endif
+        goto bad;
+    #if PY_MAJOR_VERSION >= 3
+    if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
+        goto bad;
+    #endif
+    Py_INCREF(local_type);
+    Py_INCREF(local_value);
+    Py_INCREF(local_tb);
+    *type = local_type;
+    *value = local_value;
+    *tb = local_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = local_type;
+    tstate->exc_value = local_value;
+    tstate->exc_traceback = local_tb;
+    /* Make sure tstate is in a consistent state when we XDECREF
+       these objects (DECREF may run arbitrary code). */
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(local_type, local_value, local_tb);
+#endif
+    return 0;
+bad:
+    *type = 0;
+    *value = 0;
+    *tb = 0;
+    Py_XDECREF(local_type);
+    Py_XDECREF(local_value);
+    Py_XDECREF(local_tb);
+    return -1;
+}
+
+static CYTHON_INLINE long __Pyx_div_long(long a, long b) {
+    long q = a / b;
+    long r = a - q*b;
+    q -= ((r != 0) & ((r ^ b) < 0));
+    return q;
+}
+
+static CYTHON_INLINE long __Pyx_mod_long(long a, long b) {
+    long r = a % b;
+    r += ((r != 0) & ((r ^ b) < 0)) * b;
+    return r;
+}
+
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
+    PyErr_Format(PyExc_ValueError,
+                 "too many values to unpack (expected %" PY_FORMAT_SIZE_T "d)", expected);
+}
+
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
+    PyErr_Format(PyExc_ValueError,
+                 "need more than %" PY_FORMAT_SIZE_T "d value%s to unpack",
+                 index, (index == 1) ? "" : "s");
+}
+
+static CYTHON_INLINE int __Pyx_IterFinish(void) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    PyObject* exc_type = tstate->curexc_type;
+    if (unlikely(exc_type)) {
+        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
+            PyObject *exc_value, *exc_tb;
+            exc_value = tstate->curexc_value;
+            exc_tb = tstate->curexc_traceback;
+            tstate->curexc_type = 0;
+            tstate->curexc_value = 0;
+            tstate->curexc_traceback = 0;
+            Py_DECREF(exc_type);
+            Py_XDECREF(exc_value);
+            Py_XDECREF(exc_tb);
+            return 0;
+        } else {
+            return -1;
+        }
+    }
+    return 0;
+#else
+    if (unlikely(PyErr_Occurred())) {
+        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
+            PyErr_Clear();
+            return 0;
+        } else {
+            return -1;
+        }
+    }
+    return 0;
+#endif
+}
+
+static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
+    if (unlikely(retval)) {
+        Py_DECREF(retval);
+        __Pyx_RaiseTooManyValuesError(expected);
+        return -1;
+    } else {
+        return __Pyx_IterFinish();
+    }
+    return 0;
+}
+
+static double __Pyx__PyObject_AsDouble(PyObject* obj) {
+    PyObject* float_value;
+#if CYTHON_COMPILING_IN_PYPY
+    float_value = PyNumber_Float(obj);
+#else
+    if (Py_TYPE(obj)->tp_as_number && Py_TYPE(obj)->tp_as_number->nb_float) {
+        return PyFloat_AsDouble(obj);
+    } else if (PyUnicode_CheckExact(obj) || PyBytes_CheckExact(obj)) {
+#if PY_MAJOR_VERSION >= 3
+        float_value = PyFloat_FromString(obj);
+#else
+        float_value = PyFloat_FromString(obj, 0);
+#endif
+    } else {
+        PyObject* args = PyTuple_New(1);
+        if (unlikely(!args)) goto bad;
+        PyTuple_SET_ITEM(args, 0, obj);
+        float_value = PyObject_Call((PyObject*)&PyFloat_Type, args, 0);
+        PyTuple_SET_ITEM(args, 0, 0);
+        Py_DECREF(args);
+    }
+#endif
+    if (likely(float_value)) {
+        double value = PyFloat_AS_DOUBLE(float_value);
+        Py_DECREF(float_value);
+        return value;
+    }
+bad:
+    return (double)-1;
+}
+
+static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) {
+    PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname);
+}
+
+static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+    const char *name, int exact)
+{
+    if (!type) {
+        PyErr_Format(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    if (none_allowed && obj == Py_None) return 1;
+    else if (exact) {
+        if (Py_TYPE(obj) == type) return 1;
+    }
+    else {
+        if (PyObject_TypeCheck(obj, type)) return 1;
+    }
+    PyErr_Format(PyExc_TypeError,
+        "Argument '%s' has incorrect type (expected %s, got %s)",
+        name, type->tp_name, Py_TYPE(obj)->tp_name);
+    return 0;
+}
+
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
+}
+
+static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) {
+    if (t == Py_None) {
+      __Pyx_RaiseNoneNotIterableError();
+    } else if (PyTuple_GET_SIZE(t) < index) {
+      __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t));
+    } else {
+      __Pyx_RaiseTooManyValuesError(index);
+    }
+}
+
+static CYTHON_INLINE int __Pyx_unpack_tuple2(PyObject* tuple, PyObject** pvalue1, PyObject** pvalue2,
+                                             int is_tuple, int has_known_size, int decref_tuple) {
+    Py_ssize_t index;
+    PyObject *value1 = NULL, *value2 = NULL, *iter = NULL;
+    if (!is_tuple && unlikely(!PyTuple_Check(tuple))) {
+        iternextfunc iternext;
+        iter = PyObject_GetIter(tuple);
+        if (unlikely(!iter)) goto bad;
+        if (decref_tuple) { Py_DECREF(tuple); tuple = NULL; }
+        iternext = Py_TYPE(iter)->tp_iternext;
+        value1 = iternext(iter); if (unlikely(!value1)) { index = 0; goto unpacking_failed; }
+        value2 = iternext(iter); if (unlikely(!value2)) { index = 1; goto unpacking_failed; }
+        if (!has_known_size && unlikely(__Pyx_IternextUnpackEndCheck(iternext(iter), 2))) goto bad;
+        Py_DECREF(iter);
+    } else {
+        if (!has_known_size && unlikely(PyTuple_GET_SIZE(tuple) != 2)) {
+            __Pyx_UnpackTupleError(tuple, 2);
+            goto bad;
+        }
+#if CYTHON_COMPILING_IN_PYPY
+        value1 = PySequence_ITEM(tuple, 0);
+        if (unlikely(!value1)) goto bad;
+        value2 = PySequence_ITEM(tuple, 1);
+        if (unlikely(!value2)) goto bad;
+#else
+        value1 = PyTuple_GET_ITEM(tuple, 0);
+        value2 = PyTuple_GET_ITEM(tuple, 1);
+        Py_INCREF(value1);
+        Py_INCREF(value2);
+#endif
+        if (decref_tuple) { Py_DECREF(tuple); }
+    }
+    *pvalue1 = value1;
+    *pvalue2 = value2;
+    return 0;
+unpacking_failed:
+    if (!has_known_size && __Pyx_IterFinish() == 0)
+        __Pyx_RaiseNeedMoreValuesError(index);
+bad:
+    Py_XDECREF(iter);
+    Py_XDECREF(value1);
+    Py_XDECREF(value2);
+    if (decref_tuple) { Py_XDECREF(tuple); }
+    return -1;
+}
+
+static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* iterable, int is_dict, PyObject* method_name,
+                                                   Py_ssize_t* p_orig_length, int* p_source_is_dict) {
+    is_dict = is_dict || likely(PyDict_CheckExact(iterable));
+    *p_source_is_dict = is_dict;
+#if !CYTHON_COMPILING_IN_PYPY
+    if (is_dict) {
+        *p_orig_length = PyDict_Size(iterable);
+        Py_INCREF(iterable);
+        return iterable;
+    }
+#endif
+    *p_orig_length = 0;
+    if (method_name) {
+        PyObject* iter;
+        iterable = PyObject_CallMethodObjArgs(iterable, method_name, NULL);
+        if (!iterable)
+            return NULL;
+#if !CYTHON_COMPILING_IN_PYPY
+        if (PyTuple_CheckExact(iterable) || PyList_CheckExact(iterable))
+            return iterable;
+#endif
+        iter = PyObject_GetIter(iterable);
+        Py_DECREF(iterable);
+        return iter;
+    }
+    return PyObject_GetIter(iterable);
+}
+static CYTHON_INLINE int __Pyx_dict_iter_next(PyObject* iter_obj, Py_ssize_t orig_length, Py_ssize_t* ppos,
+                                              PyObject** pkey, PyObject** pvalue, PyObject** pitem, int source_is_dict) {
+    PyObject* next_item;
+#if !CYTHON_COMPILING_IN_PYPY
+    if (source_is_dict) {
+        PyObject *key, *value;
+        if (unlikely(orig_length != PyDict_Size(iter_obj))) {
+            PyErr_SetString(PyExc_RuntimeError, "dictionary changed size during iteration");
+            return -1;
+        }
+        if (unlikely(!PyDict_Next(iter_obj, ppos, &key, &value))) {
+            return 0;
+        }
+        if (pitem) {
+            PyObject* tuple = PyTuple_New(2);
+            if (unlikely(!tuple)) {
+                return -1;
+            }
+            Py_INCREF(key);
+            Py_INCREF(value);
+            PyTuple_SET_ITEM(tuple, 0, key);
+            PyTuple_SET_ITEM(tuple, 1, value);
+            *pitem = tuple;
+        } else {
+            if (pkey) {
+                Py_INCREF(key);
+                *pkey = key;
+            }
+            if (pvalue) {
+                Py_INCREF(value);
+                *pvalue = value;
+            }
+        }
+        return 1;
+    } else if (PyTuple_CheckExact(iter_obj)) {
+        Py_ssize_t pos = *ppos;
+        if (unlikely(pos >= PyTuple_GET_SIZE(iter_obj))) return 0;
+        *ppos = pos + 1;
+        next_item = PyTuple_GET_ITEM(iter_obj, pos);
+        Py_INCREF(next_item);
+    } else if (PyList_CheckExact(iter_obj)) {
+        Py_ssize_t pos = *ppos;
+        if (unlikely(pos >= PyList_GET_SIZE(iter_obj))) return 0;
+        *ppos = pos + 1;
+        next_item = PyList_GET_ITEM(iter_obj, pos);
+        Py_INCREF(next_item);
+    } else
+#endif
+    {
+        next_item = PyIter_Next(iter_obj);
+        if (unlikely(!next_item)) {
+            return __Pyx_IterFinish();
+        }
+    }
+    if (pitem) {
+        *pitem = next_item;
+    } else if (pkey && pvalue) {
+        if (__Pyx_unpack_tuple2(next_item, pkey, pvalue, source_is_dict, source_is_dict, 1))
+            return -1;
+    } else if (pkey) {
+        *pkey = next_item;
+    } else {
+        *pvalue = next_item;
+    }
+    return 1;
+}
+
+static CYTHON_INLINE int __Pyx_div_int(int a, int b) {
+    int q = a / b;
+    int r = a - q*b;
+    q -= ((r != 0) & ((r ^ b) < 0));
+    return q;
+}
+
+static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    *type = tstate->exc_type;
+    *value = tstate->exc_value;
+    *tb = tstate->exc_traceback;
+    Py_XINCREF(*type);
+    Py_XINCREF(*value);
+    Py_XINCREF(*tb);
+#else
+    PyErr_GetExcInfo(type, value, tb);
+#endif
+}
+static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    PyThreadState *tstate = PyThreadState_GET();
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = type;
+    tstate->exc_value = value;
+    tstate->exc_traceback = tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(type, value, tb);
+#endif
+}
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level) {
+    PyObject *py_import = 0;
+    PyObject *empty_list = 0;
+    PyObject *module = 0;
+    PyObject *global_dict = 0;
+    PyObject *empty_dict = 0;
+    PyObject *list;
+    py_import = __Pyx_GetAttrString(__pyx_b, "__import__");
+    if (!py_import)
+        goto bad;
+    if (from_list)
+        list = from_list;
+    else {
+        empty_list = PyList_New(0);
+        if (!empty_list)
+            goto bad;
+        list = empty_list;
+    }
+    global_dict = PyModule_GetDict(__pyx_m);
+    if (!global_dict)
+        goto bad;
+    empty_dict = PyDict_New();
+    if (!empty_dict)
+        goto bad;
+    #if PY_VERSION_HEX >= 0x02050000
+    {
+        #if PY_MAJOR_VERSION >= 3
+        if (level == -1) {
+            if (strchr(__Pyx_MODULE_NAME, '.')) {
+                /* try package relative import first */
+                PyObject *py_level = PyInt_FromLong(1);
+                if (!py_level)
+                    goto bad;
+                module = PyObject_CallFunctionObjArgs(py_import,
+                    name, global_dict, empty_dict, list, py_level, NULL);
+                Py_DECREF(py_level);
+                if (!module) {
+                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
+                        goto bad;
+                    PyErr_Clear();
+                }
+            }
+            level = 0; /* try absolute import on failure */
+        }
+        #endif
+        if (!module) {
+            PyObject *py_level = PyInt_FromLong(level);
+            if (!py_level)
+                goto bad;
+            module = PyObject_CallFunctionObjArgs(py_import,
+                name, global_dict, empty_dict, list, py_level, NULL);
+            Py_DECREF(py_level);
+        }
+    }
+    #else
+    if (level>0) {
+        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
+        goto bad;
+    }
+    module = PyObject_CallFunctionObjArgs(py_import,
+        name, global_dict, empty_dict, list, NULL);
+    #endif
+bad:
+    Py_XDECREF(empty_list);
+    Py_XDECREF(py_import);
+    Py_XDECREF(empty_dict);
+    return module;
+}
+
+static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) {
+    const unsigned char neg_one = (unsigned char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned char" :
+                    "value too large to convert to unsigned char");
+            }
+            return (unsigned char)-1;
+        }
+        return (unsigned char)val;
+    }
+    return (unsigned char)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject* x) {
+    const unsigned short neg_one = (unsigned short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned short" :
+                    "value too large to convert to unsigned short");
+            }
+            return (unsigned short)-1;
+        }
+        return (unsigned short)val;
+    }
+    return (unsigned short)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject* x) {
+    const unsigned int neg_one = (unsigned int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned int" :
+                    "value too large to convert to unsigned int");
+            }
+            return (unsigned int)-1;
+        }
+        return (unsigned int)val;
+    }
+    return (unsigned int)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject* x) {
+    const char neg_one = (char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to char" :
+                    "value too large to convert to char");
+            }
+            return (char)-1;
+        }
+        return (char)val;
+    }
+    return (char)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject* x) {
+    const short neg_one = (short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to short" :
+                    "value too large to convert to short");
+            }
+            return (short)-1;
+        }
+        return (short)val;
+    }
+    return (short)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject* x) {
+    const int neg_one = (int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to int" :
+                    "value too large to convert to int");
+            }
+            return (int)-1;
+        }
+        return (int)val;
+    }
+    return (int)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject* x) {
+    const signed char neg_one = (signed char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed char" :
+                    "value too large to convert to signed char");
+            }
+            return (signed char)-1;
+        }
+        return (signed char)val;
+    }
+    return (signed char)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject* x) {
+    const signed short neg_one = (signed short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed short" :
+                    "value too large to convert to signed short");
+            }
+            return (signed short)-1;
+        }
+        return (signed short)val;
+    }
+    return (signed short)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject* x) {
+    const signed int neg_one = (signed int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed int" :
+                    "value too large to convert to signed int");
+            }
+            return (signed int)-1;
+        }
+        return (signed int)val;
+    }
+    return (signed int)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject* x) {
+    const int neg_one = (int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to int" :
+                    "value too large to convert to int");
+            }
+            return (int)-1;
+        }
+        return (int)val;
+    }
+    return (int)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject* x) {
+    const unsigned long neg_one = (unsigned long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to unsigned long");
+            return (unsigned long)-1;
+        }
+        return (unsigned long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to unsigned long");
+                return (unsigned long)-1;
+            }
+            return (unsigned long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (unsigned long)PyLong_AsLong(x);
+        }
+    } else {
+        unsigned long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (unsigned long)-1;
+        val = __Pyx_PyInt_AsUnsignedLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject* x) {
+    const unsigned PY_LONG_LONG neg_one = (unsigned PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to unsigned PY_LONG_LONG");
+            return (unsigned PY_LONG_LONG)-1;
+        }
+        return (unsigned PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to unsigned PY_LONG_LONG");
+                return (unsigned PY_LONG_LONG)-1;
+            }
+            return (unsigned PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (unsigned PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        unsigned PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (unsigned PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsUnsignedLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject* x) {
+    const long neg_one = (long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to long");
+            return (long)-1;
+        }
+        return (long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to long");
+                return (long)-1;
+            }
+            return (long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (long)PyLong_AsLong(x);
+        }
+    } else {
+        long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (long)-1;
+        val = __Pyx_PyInt_AsLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject* x) {
+    const PY_LONG_LONG neg_one = (PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to PY_LONG_LONG");
+            return (PY_LONG_LONG)-1;
+        }
+        return (PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to PY_LONG_LONG");
+                return (PY_LONG_LONG)-1;
+            }
+            return (PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject* x) {
+    const signed long neg_one = (signed long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to signed long");
+            return (signed long)-1;
+        }
+        return (signed long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to signed long");
+                return (signed long)-1;
+            }
+            return (signed long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (signed long)PyLong_AsLong(x);
+        }
+    } else {
+        signed long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (signed long)-1;
+        val = __Pyx_PyInt_AsSignedLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject* x) {
+    const signed PY_LONG_LONG neg_one = (signed PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to signed PY_LONG_LONG");
+            return (signed PY_LONG_LONG)-1;
+        }
+        return (signed PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to signed PY_LONG_LONG");
+                return (signed PY_LONG_LONG)-1;
+            }
+            return (signed PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (signed PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        signed PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (signed PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsSignedLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
+                                  CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename) {
+    PyObject *old_exc, *old_val, *old_tb;
+    PyObject *ctx;
+    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
+    #if PY_MAJOR_VERSION < 3
+    ctx = PyString_FromString(name);
+    #else
+    ctx = PyUnicode_FromString(name);
+    #endif
+    __Pyx_ErrRestore(old_exc, old_val, old_tb);
+    if (!ctx) {
+        PyErr_WriteUnraisable(Py_None);
+    } else {
+        PyErr_WriteUnraisable(ctx);
+        Py_DECREF(ctx);
+    }
+}
+
+static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = *type;
+    tstate->exc_value = *value;
+    tstate->exc_traceback = *tb;
+#else
+    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
+    PyErr_SetExcInfo(*type, *value, *tb);
+#endif
+    *type = tmp_type;
+    *value = tmp_value;
+    *tb = tmp_tb;
+}
+
+static PyObject *__Pyx_Generator_Next(PyObject *self);
+static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value);
+static PyObject *__Pyx_Generator_Close(PyObject *self);
+static PyObject *__Pyx_Generator_Throw(PyObject *gen, PyObject *args);
+static PyTypeObject *__pyx_GeneratorType = 0;
+#define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType)
+#define __Pyx_Generator_Undelegate(gen) Py_CLEAR((gen)->yieldfrom)
+#if 1 || PY_VERSION_HEX < 0x030300B0
+static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue) {
+    PyObject *et, *ev, *tb;
+    PyObject *value = NULL;
+    __Pyx_ErrFetch(&et, &ev, &tb);
+    if (!et) {
+        Py_XDECREF(tb);
+        Py_XDECREF(ev);
+        Py_INCREF(Py_None);
+        *pvalue = Py_None;
+        return 0;
+    }
+    if (unlikely(et != PyExc_StopIteration) &&
+            unlikely(!PyErr_GivenExceptionMatches(et, PyExc_StopIteration))) {
+        __Pyx_ErrRestore(et, ev, tb);
+        return -1;
+    }
+    if (likely(et == PyExc_StopIteration)) {
+        if (likely(!ev) || !PyObject_IsInstance(ev, PyExc_StopIteration)) {
+            if (!ev) {
+                Py_INCREF(Py_None);
+                ev = Py_None;
+            }
+            Py_XDECREF(tb);
+            Py_DECREF(et);
+            *pvalue = ev;
+            return 0;
+        }
+    }
+    PyErr_NormalizeException(&et, &ev, &tb);
+    if (unlikely(!PyObject_IsInstance(ev, PyExc_StopIteration))) {
+        __Pyx_ErrRestore(et, ev, tb);
+        return -1;
+    }
+    Py_XDECREF(tb);
+    Py_DECREF(et);
+#if PY_VERSION_HEX >= 0x030300A0
+    value = ((PyStopIterationObject *)ev)->value;
+    Py_INCREF(value);
+    Py_DECREF(ev);
+#else
+    {
+        PyObject* args = PyObject_GetAttrString(ev, "args");
+        Py_DECREF(ev);
+        if (likely(args)) {
+            value = PyObject_GetItem(args, 0);
+            Py_DECREF(args);
+        }
+        if (unlikely(!value)) {
+            __Pyx_ErrRestore(NULL, NULL, NULL);
+            Py_INCREF(Py_None);
+            value = Py_None;
+        }
+    }
+#endif
+    *pvalue = value;
+    return 0;
+}
+#endif
+static CYTHON_INLINE
+void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self) {
+    PyObject *exc_type = self->exc_type;
+    PyObject *exc_value = self->exc_value;
+    PyObject *exc_traceback = self->exc_traceback;
+    self->exc_type = NULL;
+    self->exc_value = NULL;
+    self->exc_traceback = NULL;
+    Py_XDECREF(exc_type);
+    Py_XDECREF(exc_value);
+    Py_XDECREF(exc_traceback);
+}
+static CYTHON_INLINE
+int __Pyx_Generator_CheckRunning(__pyx_GeneratorObject *gen) {
+    if (unlikely(gen->is_running)) {
+        PyErr_SetString(PyExc_ValueError,
+                        "generator already executing");
+        return 1;
+    }
+    return 0;
+}
+static CYTHON_INLINE
+PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value) {
+    PyObject *retval;
+    assert(!self->is_running);
+    if (unlikely(self->resume_label == 0)) {
+        if (unlikely(value && value != Py_None)) {
+            PyErr_SetString(PyExc_TypeError,
+                            "can't send non-None value to a "
+                            "just-started generator");
+            return NULL;
+        }
+    }
+    if (unlikely(self->resume_label == -1)) {
+        PyErr_SetNone(PyExc_StopIteration);
+        return NULL;
+    }
+    if (value) {
+#if CYTHON_COMPILING_IN_PYPY
+#else
+        /* Generators always return to their most recent caller, not
+         * necessarily their creator. */
+        if (self->exc_traceback) {
+            PyThreadState *tstate = PyThreadState_GET();
+            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
+            PyFrameObject *f = tb->tb_frame;
+            Py_XINCREF(tstate->frame);
+            assert(f->f_back == NULL);
+            f->f_back = tstate->frame;
+        }
+#endif
+        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
+                            &self->exc_traceback);
+    } else {
+        __Pyx_Generator_ExceptionClear(self);
+    }
+    self->is_running = 1;
+    retval = self->body((PyObject *) self, value);
+    self->is_running = 0;
+    if (retval) {
+        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
+                            &self->exc_traceback);
+#if CYTHON_COMPILING_IN_PYPY
+#else
+        /* Don't keep the reference to f_back any longer than necessary.  It
+         * may keep a chain of frames alive or it could create a reference
+         * cycle. */
+        if (self->exc_traceback) {
+            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
+            PyFrameObject *f = tb->tb_frame;
+            Py_CLEAR(f->f_back);
+        }
+#endif
+    } else {
+        __Pyx_Generator_ExceptionClear(self);
+    }
+    return retval;
+}
+static CYTHON_INLINE
+PyObject *__Pyx_Generator_FinishDelegation(__pyx_GeneratorObject *gen) {
+    PyObject *ret;
+    PyObject *val = NULL;
+    __Pyx_Generator_Undelegate(gen);
+    __Pyx_PyGen_FetchStopIterationValue(&val);
+    ret = __Pyx_Generator_SendEx(gen, val);
+    Py_XDECREF(val);
+    return ret;
+}
+static PyObject *__Pyx_Generator_Next(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
+    PyObject *yf = gen->yieldfrom;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        PyObject *ret;
+        gen->is_running = 1;
+        ret = Py_TYPE(yf)->tp_iternext(yf);
+        gen->is_running = 0;
+        if (likely(ret)) {
+            return ret;
+        }
+        return __Pyx_Generator_FinishDelegation(gen);
+    }
+    return __Pyx_Generator_SendEx(gen, Py_None);
+}
+static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
+    PyObject *yf = gen->yieldfrom;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        PyObject *ret;
+        gen->is_running = 1;
+        if (__Pyx_Generator_CheckExact(yf)) {
+            ret = __Pyx_Generator_Send(yf, value);
+        } else {
+            if (value == Py_None)
+                ret = PyIter_Next(yf);
+            else
+                ret = PyObject_CallMethod(yf, (char*)"send", (char*)"O", value);
+        }
+        gen->is_running = 0;
+        if (likely(ret)) {
+            return ret;
+        }
+        return __Pyx_Generator_FinishDelegation(gen);
+    }
+    return __Pyx_Generator_SendEx(gen, value);
+}
+static int __Pyx_Generator_CloseIter(__pyx_GeneratorObject *gen, PyObject *yf) {
+    PyObject *retval = NULL;
+    int err = 0;
+    if (__Pyx_Generator_CheckExact(yf)) {
+        retval = __Pyx_Generator_Close(yf);
+        if (!retval)
+            return -1;
+    } else {
+        PyObject *meth;
+        gen->is_running = 1;
+        meth = PyObject_GetAttrString(yf, "close");
+        if (unlikely(!meth)) {
+            if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
+                PyErr_WriteUnraisable(yf);
+            }
+            PyErr_Clear();
+        } else {
+            retval = PyObject_CallFunction(meth, NULL);
+            Py_DECREF(meth);
+            if (!retval)
+                err = -1;
+        }
+        gen->is_running = 0;
+    }
+    Py_XDECREF(retval);
+    return err;
+}
+static PyObject *__Pyx_Generator_Close(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
+    PyObject *retval, *raised_exception;
+    PyObject *yf = gen->yieldfrom;
+    int err = 0;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        Py_INCREF(yf);
+        err = __Pyx_Generator_CloseIter(gen, yf);
+        __Pyx_Generator_Undelegate(gen);
+        Py_DECREF(yf);
+    }
+    if (err == 0)
+#if PY_VERSION_HEX < 0x02050000
+        PyErr_SetNone(PyExc_StopIteration);
+#else
+        PyErr_SetNone(PyExc_GeneratorExit);
+#endif
+    retval = __Pyx_Generator_SendEx(gen, NULL);
+    if (retval) {
+        Py_DECREF(retval);
+        PyErr_SetString(PyExc_RuntimeError,
+                        "generator ignored GeneratorExit");
+        return NULL;
+    }
+    raised_exception = PyErr_Occurred();
+    if (!raised_exception
+        || raised_exception == PyExc_StopIteration
+#if PY_VERSION_HEX >= 0x02050000
+        || raised_exception == PyExc_GeneratorExit
+        || PyErr_GivenExceptionMatches(raised_exception, PyExc_GeneratorExit)
+#endif
+        || PyErr_GivenExceptionMatches(raised_exception, PyExc_StopIteration))
+    {
+        if (raised_exception) PyErr_Clear();      /* ignore these errors */
+        Py_INCREF(Py_None);
+        return Py_None;
+    }
+    return NULL;
+}
+static PyObject *__Pyx_Generator_Throw(PyObject *self, PyObject *args) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
+    PyObject *typ;
+    PyObject *tb = NULL;
+    PyObject *val = NULL;
+    PyObject *yf = gen->yieldfrom;
+    if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
+        return NULL;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        PyObject *ret;
+        Py_INCREF(yf);
+#if PY_VERSION_HEX >= 0x02050000
+        if (PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit)) {
+            int err = __Pyx_Generator_CloseIter(gen, yf);
+            Py_DECREF(yf);
+            __Pyx_Generator_Undelegate(gen);
+            if (err < 0)
+                return __Pyx_Generator_SendEx(gen, NULL);
+            goto throw_here;
+        }
+#endif
+        gen->is_running = 1;
+        if (__Pyx_Generator_CheckExact(yf)) {
+            ret = __Pyx_Generator_Throw(yf, args);
+        } else {
+            PyObject *meth = PyObject_GetAttrString(yf, "throw");
+            if (unlikely(!meth)) {
+                Py_DECREF(yf);
+                if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
+                    gen->is_running = 0;
+                    return NULL;
+                }
+                PyErr_Clear();
+                __Pyx_Generator_Undelegate(gen);
+                gen->is_running = 0;
+                goto throw_here;
+            }
+            ret = PyObject_CallObject(meth, args);
+            Py_DECREF(meth);
+        }
+        gen->is_running = 0;
+        Py_DECREF(yf);
+        if (!ret) {
+            ret = __Pyx_Generator_FinishDelegation(gen);
+        }
+        return ret;
+    }
+throw_here:
+    __Pyx_Raise(typ, val, tb, NULL);
+    return __Pyx_Generator_SendEx(gen, NULL);
+}
+static int __Pyx_Generator_traverse(PyObject *self, visitproc visit, void *arg) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
+    Py_VISIT(gen->closure);
+    Py_VISIT(gen->classobj);
+    Py_VISIT(gen->yieldfrom);
+    Py_VISIT(gen->exc_type);
+    Py_VISIT(gen->exc_value);
+    Py_VISIT(gen->exc_traceback);
+    return 0;
+}
+static int __Pyx_Generator_clear(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
+    Py_CLEAR(gen->closure);
+    Py_CLEAR(gen->classobj);
+    Py_CLEAR(gen->yieldfrom);
+    Py_CLEAR(gen->exc_type);
+    Py_CLEAR(gen->exc_value);
+    Py_CLEAR(gen->exc_traceback);
+    return 0;
+}
+static void __Pyx_Generator_dealloc(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
+    PyObject_GC_UnTrack(gen);
+    if (gen->gi_weakreflist != NULL)
+        PyObject_ClearWeakRefs(self);
+    PyObject_GC_Track(self);
+    if (gen->resume_label > 0) {
+        Py_TYPE(gen)->tp_del(self);
+        if (self->ob_refcnt > 0)
+            return;                     /* resurrected.  :( */
+    }
+    PyObject_GC_UnTrack(self);
+    __Pyx_Generator_clear(self);
+    PyObject_GC_Del(gen);
+}
+static void __Pyx_Generator_del(PyObject *self) {
+    PyObject *res;
+    PyObject *error_type, *error_value, *error_traceback;
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
+    if (gen->resume_label <= 0)
+        return ;
+    assert(self->ob_refcnt == 0);
+    self->ob_refcnt = 1;
+    __Pyx_ErrFetch(&error_type, &error_value, &error_traceback);
+    res = __Pyx_Generator_Close(self);
+    if (res == NULL)
+        PyErr_WriteUnraisable(self);
+    else
+        Py_DECREF(res);
+    __Pyx_ErrRestore(error_type, error_value, error_traceback);
+    /* Undo the temporary resurrection; can't use DECREF here, it would
+     * cause a recursive call.
+     */
+    assert(self->ob_refcnt > 0);
+    if (--self->ob_refcnt == 0)
+        return; /* this is the normal path out */
+    /* close() resurrected it!  Make it look like the original Py_DECREF
+     * never happened.
+     */
+    {
+        Py_ssize_t refcnt = self->ob_refcnt;
+        _Py_NewReference(self);
+        self->ob_refcnt = refcnt;
+    }
+#if CYTHON_COMPILING_FOR_CPYTHON
+    assert(PyType_IS_GC(self->ob_type) &&
+           _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
+    /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
+     * we need to undo that. */
+    _Py_DEC_REFTOTAL;
+#endif
+    /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object
+     * chain, so no more to do there.
+     * If COUNT_ALLOCS, the original decref bumped tp_frees, and
+     * _Py_NewReference bumped tp_allocs:  both of those need to be
+     * undone.
+     */
+#ifdef COUNT_ALLOCS
+    --Py_TYPE(self)->tp_frees;
+    --Py_TYPE(self)->tp_allocs;
+#endif
+}
+static PyMemberDef __pyx_Generator_memberlist[] = {
+    {(char *) "gi_running",
+#if PY_VERSION_HEX >= 0x02060000
+     T_BOOL,
+#else
+     T_INT,
+#endif
+     offsetof(__pyx_GeneratorObject, is_running),
+     READONLY,
+     NULL},
+    {0, 0, 0, 0, 0}
+};
+static PyMethodDef __pyx_Generator_methods[] = {
+    {__Pyx_NAMESTR("send"), (PyCFunction) __Pyx_Generator_Send, METH_O, 0},
+    {__Pyx_NAMESTR("throw"), (PyCFunction) __Pyx_Generator_Throw, METH_VARARGS, 0},
+    {__Pyx_NAMESTR("close"), (PyCFunction) __Pyx_Generator_Close, METH_NOARGS, 0},
+    {0, 0, 0, 0}
+};
+static PyTypeObject __pyx_GeneratorType_type = {
+    PyVarObject_HEAD_INIT(0, 0)
+    __Pyx_NAMESTR("generator"),         /*tp_name*/
+    sizeof(__pyx_GeneratorObject),      /*tp_basicsize*/
+    0,                                  /*tp_itemsize*/
+    (destructor) __Pyx_Generator_dealloc,/*tp_dealloc*/
+    0,                                  /*tp_print*/
+    0,                                  /*tp_getattr*/
+    0,                                  /*tp_setattr*/
+#if PY_MAJOR_VERSION < 3
+    0,                                  /*tp_compare*/
+#else
+    0,                                  /*reserved*/
+#endif
+    0,                                   /*tp_repr*/
+    0,                                  /*tp_as_number*/
+    0,                                  /*tp_as_sequence*/
+    0,                                  /*tp_as_mapping*/
+    0,                                  /*tp_hash*/
+    0,                                  /*tp_call*/
+    0,                                  /*tp_str*/
+    0,                                  /*tp_getattro*/
+    0,                                  /*tp_setattro*/
+    0,                                  /*tp_as_buffer*/
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags*/
+    0,                                  /*tp_doc*/
+    (traverseproc) __Pyx_Generator_traverse,   /*tp_traverse*/
+    0,                                  /*tp_clear*/
+    0,                                  /*tp_richcompare*/
+    offsetof(__pyx_GeneratorObject, gi_weakreflist), /* tp_weaklistoffse */
+    0,                                  /*tp_iter*/
+    (iternextfunc) __Pyx_Generator_Next, /*tp_iternext*/
+    __pyx_Generator_methods,            /*tp_methods*/
+    __pyx_Generator_memberlist,         /*tp_members*/
+    0,                                  /*tp_getset*/
+    0,                                  /*tp_base*/
+    0,                                  /*tp_dict*/
+    0,                                  /*tp_descr_get*/
+    0,                                  /*tp_descr_set*/
+    0,                                  /*tp_dictoffset*/
+    0,                                  /*tp_init*/
+    0,                                  /*tp_alloc*/
+    0,                                  /*tp_new*/
+    0,                                  /*tp_free*/
+    0,                                  /*tp_is_gc*/
+    0,                                  /*tp_bases*/
+    0,                                  /*tp_mro*/
+    0,                                  /*tp_cache*/
+    0,                                  /*tp_subclasses*/
+    0,                                  /*tp_weaklist*/
+    __Pyx_Generator_del,                /*tp_del*/
+#if PY_VERSION_HEX >= 0x02060000
+    0,                                  /*tp_version_tag*/
+#endif
+};
+static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
+                                                  PyObject *closure) {
+    __pyx_GeneratorObject *gen =
+        PyObject_GC_New(__pyx_GeneratorObject, &__pyx_GeneratorType_type);
+    if (gen == NULL)
+        return NULL;
+    gen->body = body;
+    gen->closure = closure;
+    Py_XINCREF(closure);
+    gen->is_running = 0;
+    gen->resume_label = 0;
+    gen->classobj = NULL;
+    gen->yieldfrom = NULL;
+    gen->exc_type = NULL;
+    gen->exc_value = NULL;
+    gen->exc_traceback = NULL;
+    gen->gi_weakreflist = NULL;
+    PyObject_GC_Track(gen);
+    return gen;
+}
+static int __pyx_Generator_init(void) {
+    __pyx_GeneratorType_type.tp_getattro = PyObject_GenericGetAttr;
+    __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
+    if (PyType_Ready(&__pyx_GeneratorType_type)) {
+        return -1;
+    }
+    __pyx_GeneratorType = &__pyx_GeneratorType_type;
+    return 0;
+}
+
+static int __Pyx_check_binary_version(void) {
+    char ctversion[4], rtversion[4];
+    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
+    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
+    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
+        char message[200];
+        PyOS_snprintf(message, sizeof(message),
+                      "compiletime version %s of module '%.100s' "
+                      "does not match runtime version %s",
+                      ctversion, __Pyx_MODULE_NAME, rtversion);
+        #if PY_VERSION_HEX < 0x02050000
+        return PyErr_Warn(NULL, message);
+        #else
+        return PyErr_WarnEx(NULL, message, 1);
+        #endif
+    }
+    return 0;
+}
+
+static int __Pyx_ExportFunction(const char *name, void (*f)(void), const char *sig) {
+    PyObject *d = 0;
+    PyObject *cobj = 0;
+    union {
+        void (*fp)(void);
+        void *p;
+    } tmp;
+    d = PyObject_GetAttrString(__pyx_m, (char *)"__pyx_capi__");
+    if (!d) {
+        PyErr_Clear();
+        d = PyDict_New();
+        if (!d)
+            goto bad;
+        Py_INCREF(d);
+        if (PyModule_AddObject(__pyx_m, (char *)"__pyx_capi__", d) < 0)
+            goto bad;
+    }
+    tmp.fp = f;
+#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
+    cobj = PyCapsule_New(tmp.p, sig, 0);
+#else
+    cobj = PyCObject_FromVoidPtrAndDesc(tmp.p, (void *)sig, 0);
+#endif
+    if (!cobj)
+        goto bad;
+    if (PyDict_SetItemString(d, name, cobj) < 0)
+        goto bad;
+    Py_DECREF(cobj);
+    Py_DECREF(d);
+    return 0;
+bad:
+    Py_XDECREF(cobj);
+    Py_XDECREF(d);
+    return -1;
+}
+
+static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
+#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
+    PyObject *ob = PyCapsule_New(vtable, 0, 0);
+#else
+    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
+#endif
+    if (!ob)
+        goto bad;
+    if (PyDict_SetItemString(dict, "__pyx_vtable__", ob) < 0)
+        goto bad;
+    Py_DECREF(ob);
+    return 0;
+bad:
+    Py_XDECREF(ob);
+    return -1;
+}
+
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
+    int start = 0, mid = 0, end = count - 1;
+    if (end >= 0 && code_line > entries[end].code_line) {
+        return count;
+    }
+    while (start < end) {
+        mid = (start + end) / 2;
+        if (code_line < entries[mid].code_line) {
+            end = mid;
+        } else if (code_line > entries[mid].code_line) {
+             start = mid + 1;
+        } else {
+            return mid;
+        }
+    }
+    if (code_line <= entries[mid].code_line) {
+        return mid;
+    } else {
+        return mid + 1;
+    }
+}
+static PyCodeObject *__pyx_find_code_object(int code_line) {
+    PyCodeObject* code_object;
+    int pos;
+    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
+        return NULL;
+    }
+    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
+    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
+        return NULL;
+    }
+    code_object = __pyx_code_cache.entries[pos].code_object;
+    Py_INCREF(code_object);
+    return code_object;
+}
+static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
+    int pos, i;
+    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
+    if (unlikely(!code_line)) {
+        return;
+    }
+    if (unlikely(!entries)) {
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (likely(entries)) {
+            __pyx_code_cache.entries = entries;
+            __pyx_code_cache.max_count = 64;
+            __pyx_code_cache.count = 1;
+            entries[0].code_line = code_line;
+            entries[0].code_object = code_object;
+            Py_INCREF(code_object);
+        }
+        return;
+    }
+    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
+    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
+        PyCodeObject* tmp = entries[pos].code_object;
+        entries[pos].code_object = code_object;
+        Py_DECREF(tmp);
+        return;
+    }
+    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
+        int new_max = __pyx_code_cache.max_count + 64;
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
+            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (unlikely(!entries)) {
+            return;
+        }
+        __pyx_code_cache.entries = entries;
+        __pyx_code_cache.max_count = new_max;
+    }
+    for (i=__pyx_code_cache.count; i>pos; i--) {
+        entries[i] = entries[i-1];
+    }
+    entries[pos].code_line = code_line;
+    entries[pos].code_object = code_object;
+    __pyx_code_cache.count++;
+    Py_INCREF(code_object);
+}
+
+#include "compile.h"
+#include "frameobject.h"
+#include "traceback.h"
+static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
+            const char *funcname, int c_line,
+            int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyObject *py_srcfile = 0;
+    PyObject *py_funcname = 0;
+    #if PY_MAJOR_VERSION < 3
+    py_srcfile = PyString_FromString(filename);
+    #else
+    py_srcfile = PyUnicode_FromString(filename);
+    #endif
+    if (!py_srcfile) goto bad;
+    if (c_line) {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        #else
+        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        #endif
+    }
+    else {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromString(funcname);
+        #else
+        py_funcname = PyUnicode_FromString(funcname);
+        #endif
+    }
+    if (!py_funcname) goto bad;
+    py_code = __Pyx_PyCode_New(
+        0,            /*int argcount,*/
+        0,            /*int kwonlyargcount,*/
+        0,            /*int nlocals,*/
+        0,            /*int stacksize,*/
+        0,            /*int flags,*/
+        __pyx_empty_bytes, /*PyObject *code,*/
+        __pyx_empty_tuple, /*PyObject *consts,*/
+        __pyx_empty_tuple, /*PyObject *names,*/
+        __pyx_empty_tuple, /*PyObject *varnames,*/
+        __pyx_empty_tuple, /*PyObject *freevars,*/
+        __pyx_empty_tuple, /*PyObject *cellvars,*/
+        py_srcfile,   /*PyObject *filename,*/
+        py_funcname,  /*PyObject *name,*/
+        py_line,      /*int firstlineno,*/
+        __pyx_empty_bytes  /*PyObject *lnotab*/
+    );
+    Py_DECREF(py_srcfile);
+    Py_DECREF(py_funcname);
+    return py_code;
+bad:
+    Py_XDECREF(py_srcfile);
+    Py_XDECREF(py_funcname);
+    return NULL;
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyObject *py_globals = 0;
+    PyFrameObject *py_frame = 0;
+    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
+    if (!py_code) {
+        py_code = __Pyx_CreateCodeObjectForTraceback(
+            funcname, c_line, py_line, filename);
+        if (!py_code) goto bad;
+        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
+    }
+    py_globals = PyModule_GetDict(__pyx_m);
+    if (!py_globals) goto bad;
+    py_frame = PyFrame_New(
+        PyThreadState_GET(), /*PyThreadState *tstate,*/
+        py_code,             /*PyCodeObject *code,*/
+        py_globals,          /*PyObject *globals,*/
+        0                    /*PyObject *locals*/
+    );
+    if (!py_frame) goto bad;
+    py_frame->f_lineno = py_line;
+    PyTraceBack_Here(py_frame);
+bad:
+    Py_XDECREF(py_code);
+    Py_XDECREF(py_frame);
+}
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
+    while (t->p) {
+        #if PY_MAJOR_VERSION < 3
+        if (t->is_unicode) {
+            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
+        } else if (t->intern) {
+            *t->p = PyString_InternFromString(t->s);
+        } else {
+            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
+        }
+        #else  /* Python 3+ has unicode identifiers */
+        if (t->is_unicode | t->is_str) {
+            if (t->intern) {
+                *t->p = PyUnicode_InternFromString(t->s);
+            } else if (t->encoding) {
+                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
+            } else {
+                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
+            }
+        } else {
+            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
+        }
+        #endif
+        if (!*t->p)
+            return -1;
+        ++t;
+    }
+    return 0;
+}
+
+
+/* Type Conversion Functions */
+
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
+   int is_true = x == Py_True;
+   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
+   else return PyObject_IsTrue(x);
+}
+
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
+  PyNumberMethods *m;
+  const char *name = NULL;
+  PyObject *res = NULL;
+#if PY_VERSION_HEX < 0x03000000
+  if (PyInt_Check(x) || PyLong_Check(x))
+#else
+  if (PyLong_Check(x))
+#endif
+    return Py_INCREF(x), x;
+  m = Py_TYPE(x)->tp_as_number;
+#if PY_VERSION_HEX < 0x03000000
+  if (m && m->nb_int) {
+    name = "int";
+    res = PyNumber_Int(x);
+  }
+  else if (m && m->nb_long) {
+    name = "long";
+    res = PyNumber_Long(x);
+  }
+#else
+  if (m && m->nb_int) {
+    name = "int";
+    res = PyNumber_Long(x);
+  }
+#endif
+  if (res) {
+#if PY_VERSION_HEX < 0x03000000
+    if (!PyInt_Check(res) && !PyLong_Check(res)) {
+#else
+    if (!PyLong_Check(res)) {
+#endif
+      PyErr_Format(PyExc_TypeError,
+                   "__%s__ returned non-%s (type %.200s)",
+                   name, name, Py_TYPE(res)->tp_name);
+      Py_DECREF(res);
+      return NULL;
+    }
+  }
+  else if (!PyErr_Occurred()) {
+    PyErr_SetString(PyExc_TypeError,
+                    "an integer is required");
+  }
+  return res;
+}
+
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
+  Py_ssize_t ival;
+  PyObject* x = PyNumber_Index(b);
+  if (!x) return -1;
+  ival = PyInt_AsSsize_t(x);
+  Py_DECREF(x);
+  return ival;
+}
+
+static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
+#if PY_VERSION_HEX < 0x02050000
+   if (ival <= LONG_MAX)
+       return PyInt_FromLong((long)ival);
+   else {
+       unsigned char *bytes = (unsigned char *) &ival;
+       int one = 1; int little = (int)*(unsigned char*)&one;
+       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
+   }
+#else
+   return PyInt_FromSize_t(ival);
+#endif
+}
+
+static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) {
+   unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x);
+   if (unlikely(val == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())) {
+       return (size_t)-1;
+   } else if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) {
+       PyErr_SetString(PyExc_OverflowError,
+                       "value too large to convert to size_t");
+       return (size_t)-1;
+   }
+   return (size_t)val;
+}
+
+
+#endif /* Py_PYTHON_H */
diff --git a/python/src/sa/_sa.pxd b/python/src/sa/_sa.pxd
new file mode 100644
index 00000000..d390bfc5
--- /dev/null
+++ b/python/src/sa/_sa.pxd
@@ -0,0 +1,17 @@
+cdef class Phrase:
+    cdef int *syms
+    cdef int n, *varpos, n_vars
+    cdef public int chunkpos(self, int k)
+    cdef public int chunklen(self, int k)
+
+cdef class Rule:
+    cdef public int lhs
+    cdef readonly Phrase f, e
+    cdef float *cscores
+    cdef int n_scores
+    cdef public word_alignments
+
+cdef char* sym_tostring(int sym)
+cdef char* sym_tocat(int sym)
+cdef int sym_isvar(int sym)
+cdef int sym_getindex(int sym)
diff --git a/python/src/sa/_sa.pyx b/python/src/sa/_sa.pyx
new file mode 100644
index 00000000..710f8cb4
--- /dev/null
+++ b/python/src/sa/_sa.pyx
@@ -0,0 +1,29 @@
+import logging
+import resource
+import gzip
+
+cdef float monitor_cpu():
+    return (resource.getrusage(resource.RUSAGE_SELF).ru_utime+
+            resource.getrusage(resource.RUSAGE_SELF).ru_stime)
+
+def gzip_or_text(char* filename):
+    if filename.endswith('.gz'):
+        return gzip.GzipFile(filename)
+    else:
+        return open(filename)
+
+logger = logging.getLogger('cdec.sa')
+
+include "float_list.pxi"
+include "int_list.pxi"
+include "str_map.pxi"
+include "data_array.pxi"
+include "alignment.pxi"
+include "bilex.pxi"
+include "veb.pxi"
+include "lcp.pxi"
+include "sym.pxi"
+include "rule.pxi"
+include "precomputation.pxi"
+include "suffix_array.pxi"
+include "rulefactory.pxi"
diff --git a/python/src/sa/rule.pxi b/python/src/sa/rule.pxi
index 9c34f66d..bf1a83c6 100644
--- a/python/src/sa/rule.pxi
+++ b/python/src/sa/rule.pxi
@@ -2,8 +2,6 @@ from libc.stdlib cimport malloc, calloc, realloc, free, strtof, strtol
 from libc.string cimport strsep, strcpy, strlen
         
 cdef class Phrase:
-    cdef int *syms
-    cdef int n, *varpos, n_vars
 
     def __cinit__(self, words):
         cdef int i, j, n, n_vars
@@ -12,14 +10,14 @@ cdef class Phrase:
         self.syms = <int *>malloc(n*sizeof(int))
         for i from 0 <= i < n:
             self.syms[i] = words[i]
-            if ALPHABET.isvar(self.syms[i]):
+            if sym_isvar(self.syms[i]):
                 n_vars += 1
         self.n = n
         self.n_vars = n_vars
         self.varpos = <int *>malloc(n_vars*sizeof(int))
         j = 0
         for i from 0 <= i < n:
-            if ALPHABET.isvar(self.syms[i]):
+            if sym_isvar(self.syms[i]):
                 self.varpos[j] = i
                 j = j + 1
 
@@ -32,7 +30,7 @@ cdef class Phrase:
         cdef int i, s
         for i from 0 <= i < self.n:
             s = self.syms[i]
-            strs.append(ALPHABET.tostring(s))
+            strs.append(sym_tostring(s))
         return " ".join(strs)
 
     def handle(self):
@@ -44,8 +42,8 @@ cdef class Phrase:
         j = 0
         for j from 0 <= j < self.n:
             s = self.syms[j]
-            if ALPHABET.isvar(s):
-                s = ALPHABET.setindex(s,i)
+            if sym_isvar(s):
+                s = sym_setindex(s,i)
                 i = i + 1
             norm.append(s)
         return tuple(norm)
@@ -58,10 +56,10 @@ cdef class Phrase:
         j = 0
         for j from 0 <= j < self.n:
             s = self.syms[j]
-            if ALPHABET.isvar(s):
-                s = ALPHABET.setindex(s,i)
+            if sym_isvar(s):
+                s = sym_setindex(s,i)
                 i = i + 1
-            norm.append(ALPHABET.tostring(s))
+            norm.append(sym_tostring(s))
         return " ".join(norm)
 
     def arity(self):
@@ -142,33 +140,30 @@ cdef class Phrase:
 
     def __iter__(self):
         cdef int i
-        l = []
         for i from 0 <= i < self.n:
-            l.append(self.syms[i])
-        return iter(l)
+            yield self.syms[i]
 
     def subst(self, start, children):
         cdef int i
         for i from 0 <= i < self.n:
-            if ALPHABET.isvar(self.syms[i]):
-                start = start + children[ALPHABET.getindex(self.syms[i])-1]
+            if sym_isvar(self.syms[i]):
+                start = start + children[sym_getindex(self.syms[i])-1]
             else:
                 start = start + (self.syms[i],)
         return start
+    
+    property words:
+        def __get__(self):
+            return [sym_tostring(w) for w in self if not sym_isvar(w)]
 
 cdef class Rule:
-    cdef public int lhs
-    cdef readonly Phrase f, e
-    cdef float *cscores
-    cdef int n_scores
-    cdef public word_alignments
 
     def __cinit__(self, int lhs, Phrase f, Phrase e,
             scores=None, word_alignments=None):
         cdef int i, n
         cdef char *rest
 
-        if not ALPHABET.isvar(lhs):
+        if not sym_isvar(lhs):
             raise Exception('Invalid LHS symbol: %d' % lhs)
 
         self.lhs = lhs
@@ -214,7 +209,7 @@ cdef class Rule:
         scorestrs = []
         for i from 0 <= i < self.n_scores:
             scorestrs.append(str(self.cscores[i]))
-        fields = [ALPHABET.tostring(self.lhs), str(self.f), str(self.e), " ".join(scorestrs)]
+        fields = [sym_tostring(self.lhs), str(self.f), str(self.e), " ".join(scorestrs)]
         if self.word_alignments is not None:
             alignstr = []
             for i from 0 <= i < len(self.word_alignments):
diff --git a/python/src/sa/rulefactory.pxi b/python/src/sa/rulefactory.pxi
index 24bb680f..1c8d25a4 100644
--- a/python/src/sa/rulefactory.pxi
+++ b/python/src/sa/rulefactory.pxi
@@ -975,7 +975,6 @@ cdef class HieroCachingRuleFactory:
                     continue
                 
                 phrase = prefix + (word_id,)
-                str_phrase = map(sym_tostring, phrase)
                 hiero_phrase = Phrase(phrase)
                 arity = hiero_phrase.arity()
 
@@ -1019,7 +1018,7 @@ cdef class HieroCachingRuleFactory:
                         else:
                             # Suffix array search
                             phrase_location = node.phrase_location
-                            sa_range = self.fsa.lookup(str_phrase[-1], len(str_phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
+                            sa_range = self.fsa.lookup(sym_tostring(phrase[-1]), len(phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
                             if sa_range is not None:
                                 phrase_location = PhraseLocation(sa_low=sa_range[0], sa_high=sa_range[1])
                             else:
diff --git a/python/src/sa/sym.pxi b/python/src/sa/sym.pxi
index 3fd6c5a7..4b41886f 100644
--- a/python/src/sa/sym.pxi
+++ b/python/src/sa/sym.pxi
@@ -53,14 +53,12 @@ cdef class Alphabet:
         if self.isvar(sym):
             if sym in self.id2sym:
                 return self.id2sym[sym]
-
             ind = self.getindex(sym)
             if ind > 0:
                 self.id2sym[sym] = "[%s,%d]" % (self.tocat(sym), ind)
             else:
                 self.id2sym[sym] = "[%s]" % self.tocat(sym)
             return self.id2sym[sym]
-                
         else:
             return self.terminals.word(sym)
 
@@ -88,14 +86,20 @@ cdef class Alphabet:
 
 cdef Alphabet ALPHABET = Alphabet()
 
-def sym_tostring(int sym):
+cdef char* sym_tostring(int sym):
     return ALPHABET.tostring(sym)
 
-def sym_fromstring(bytes string, bint terminal):
-    return ALPHABET.fromstring(string, terminal)
+cdef char* sym_tocat(int sym):
+    return ALPHABET.tocat(sym)
 
-def sym_isvar(int sym):
+cdef int sym_isvar(int sym):
     return ALPHABET.isvar(sym)
 
+cdef int sym_getindex(int sym):
+    return ALPHABET.getindex(sym)
+
 cdef int sym_setindex(int sym, int id):
     return ALPHABET.setindex(sym, id)
+
+def sym_fromstring(bytes string, bint terminal):
+    return ALPHABET.fromstring(string, terminal)
diff --git a/python/src/utils.pxd b/python/src/utils.pxd
index f4da686b..a1a4799b 100644
--- a/python/src/utils.pxd
+++ b/python/src/utils.pxd
@@ -17,7 +17,9 @@ cdef extern from "utils/logval.h":
     cdef cppclass LogVal[T]:
         double as_float()
 
-    double log(LogVal[double]&)
+    ctypedef LogVal[double] prob_t
+
+    double log(prob_t&)
 
 cdef extern from "utils/wordid.h":
     ctypedef int WordID
@@ -33,7 +35,6 @@ cdef extern from "utils/sparse_vector.h":
             const_iterator(FastSparseVector[T]&, bint is_end)
             pair[unsigned, T]* ptr "operator->" ()
             const_iterator& operator++()
-            bint operator==(const_iterator&)
             bint operator!=(const_iterator&)
         FastSparseVector()
         FastSparseVector(FastSparseVector[T]&)
diff --git a/python/src/vectors.pxi b/python/src/vectors.pxi
index cd1c2598..989a6a7c 100644
--- a/python/src/vectors.pxi
+++ b/python/src/vectors.pxi
@@ -1,7 +1,16 @@
 from cython.operator cimport preincrement as pinc
 
 cdef class DenseVector:
-    cdef vector[weight_t]* vector # Not owned by DenseVector
+    cdef vector[weight_t]* vector
+    cdef bint owned # if True, do not manage memory
+
+    def __init__(self):
+        self.vector = new vector[weight_t]()
+        self.owned = False
+
+    def __dealloc__(self):
+        if not self.owned:
+            del self.vector
 
     def __len__(self):
         return self.vector.size()
@@ -28,7 +37,7 @@ cdef class DenseVector:
         return other.dot(self)
 
     def tosparse(self):
-        cdef SparseVector sparse = SparseVector()
+        cdef SparseVector sparse = SparseVector.__new__(SparseVector)
         sparse.vector = new FastSparseVector[weight_t]()
         InitSparseVector(self.vector[0], sparse.vector)
         return sparse
@@ -36,6 +45,9 @@ cdef class DenseVector:
 cdef class SparseVector:
     cdef FastSparseVector[weight_t]* vector
 
+    def __init__(self):
+        self.vector = new FastSparseVector[weight_t]()
+
     def __dealloc__(self):
         del self.vector
 
@@ -83,7 +95,7 @@ cdef class SparseVector:
         return self.vector.nonzero(FDConvert(fname))
 
     def __neg__(self):
-        cdef SparseVector result = SparseVector()
+        cdef SparseVector result = SparseVector.__new__(SparseVector)
         result.vector = new FastSparseVector[weight_t](self.vector[0])
         result.vector[0] *= -1.0
         return result
@@ -105,12 +117,12 @@ cdef class SparseVector:
         return self
 
     def __add__(SparseVector x, SparseVector y):
-        cdef SparseVector result = SparseVector()
+        cdef SparseVector result = SparseVector.__new__(SparseVector)
         result.vector = new FastSparseVector[weight_t](x.vector[0] + y.vector[0])
         return result
 
     def __sub__(SparseVector x, SparseVector y):
-        cdef SparseVector result = SparseVector()
+        cdef SparseVector result = SparseVector.__new__(SparseVector)
         result.vector = new FastSparseVector[weight_t](x.vector[0] - y.vector[0])
         return result
 
@@ -119,7 +131,7 @@ cdef class SparseVector:
         cdef float scalar
         if isinstance(x, SparseVector): vector, scalar = x, y
         else: vector, scalar = y, x
-        cdef SparseVector result = SparseVector()
+        cdef SparseVector result = SparseVector.__new__(SparseVector)
         result.vector = new FastSparseVector[weight_t](vector.vector[0] * scalar)
         return result
 
@@ -128,6 +140,6 @@ cdef class SparseVector:
         cdef float scalar
         if isinstance(x, SparseVector): vector, scalar = x, y
         else: vector, scalar = y, x
-        cdef SparseVector result = SparseVector()
+        cdef SparseVector result = SparseVector.__new__(SparseVector)
         result.vector = new FastSparseVector[weight_t](vector.vector[0] / scalar)
         return result
-- 
cgit v1.2.3


From ee5e376e263d9aeabdeee6968b4457f53d3fc772 Mon Sep 17 00:00:00 2001
From: Victor Chahuneau <vchahune@cs.cmu.edu>
Date: Fri, 27 Jul 2012 23:33:45 -0400
Subject: [python] Move python files to avoid pythonpath conflicts

---
 python/cdec/__init__.py         |    1 -
 python/cdec/configobj.py        | 2468 ---------------------------------------
 python/cdec/sa/__init__.py      |    4 -
 python/cdec/sa/compile.py       |   94 --
 python/cdec/sa/extract.py       |   31 -
 python/cdec/sa/extractor.py     |   78 --
 python/cdec/sa/features.py      |   57 -
 python/cdec/score.py            |    1 -
 python/pkg/cdec/__init__.py     |    1 +
 python/pkg/cdec/configobj.py    | 2468 +++++++++++++++++++++++++++++++++++++++
 python/pkg/cdec/sa/__init__.py  |    4 +
 python/pkg/cdec/sa/compile.py   |   94 ++
 python/pkg/cdec/sa/extract.py   |   31 +
 python/pkg/cdec/sa/extractor.py |   78 ++
 python/pkg/cdec/sa/features.py  |   57 +
 python/pkg/cdec/score.py        |    1 +
 python/setup.py                 |    3 +-
 python/src/sa/_sa.c             |   39 +-
 python/src/sa/sym.pxi           |    2 +-
 19 files changed, 2753 insertions(+), 2759 deletions(-)
 delete mode 100644 python/cdec/__init__.py
 delete mode 100644 python/cdec/configobj.py
 delete mode 100644 python/cdec/sa/__init__.py
 delete mode 100644 python/cdec/sa/compile.py
 delete mode 100644 python/cdec/sa/extract.py
 delete mode 100644 python/cdec/sa/extractor.py
 delete mode 100644 python/cdec/sa/features.py
 delete mode 100644 python/cdec/score.py
 create mode 100644 python/pkg/cdec/__init__.py
 create mode 100644 python/pkg/cdec/configobj.py
 create mode 100644 python/pkg/cdec/sa/__init__.py
 create mode 100644 python/pkg/cdec/sa/compile.py
 create mode 100644 python/pkg/cdec/sa/extract.py
 create mode 100644 python/pkg/cdec/sa/extractor.py
 create mode 100644 python/pkg/cdec/sa/features.py
 create mode 100644 python/pkg/cdec/score.py

(limited to 'python/src')

diff --git a/python/cdec/__init__.py b/python/cdec/__init__.py
deleted file mode 100644
index 19058493..00000000
--- a/python/cdec/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-from _cdec import Decoder, Lattice, TRule, NT, NTRef, ParseFailed, InvalidConfig
diff --git a/python/cdec/configobj.py b/python/cdec/configobj.py
deleted file mode 100644
index c1f6e6df..00000000
--- a/python/cdec/configobj.py
+++ /dev/null
@@ -1,2468 +0,0 @@
-# configobj.py
-# A config file reader/writer that supports nested sections in config files.
-# Copyright (C) 2005-2010 Michael Foord, Nicola Larosa
-# E-mail: fuzzyman AT voidspace DOT org DOT uk
-#         nico AT tekNico DOT net
-
-# ConfigObj 4
-# http://www.voidspace.org.uk/python/configobj.html
-
-# Released subject to the BSD License
-# Please see http://www.voidspace.org.uk/python/license.shtml
-
-# Scripts maintained at http://www.voidspace.org.uk/python/index.shtml
-# For information about bugfixes, updates and support, please join the
-# ConfigObj mailing list:
-# http://lists.sourceforge.net/lists/listinfo/configobj-develop
-# Comments, suggestions and bug reports welcome.
-
-from __future__ import generators
-
-import os
-import re
-import sys
-
-from codecs import BOM_UTF8, BOM_UTF16, BOM_UTF16_BE, BOM_UTF16_LE
-
-
-# imported lazily to avoid startup performance hit if it isn't used
-compiler = None
-
-# A dictionary mapping BOM to
-# the encoding to decode with, and what to set the
-# encoding attribute to.
-BOMS = {
-    BOM_UTF8: ('utf_8', None),
-    BOM_UTF16_BE: ('utf16_be', 'utf_16'),
-    BOM_UTF16_LE: ('utf16_le', 'utf_16'),
-    BOM_UTF16: ('utf_16', 'utf_16'),
-    }
-# All legal variants of the BOM codecs.
-# TODO: the list of aliases is not meant to be exhaustive, is there a
-#   better way ?
-BOM_LIST = {
-    'utf_16': 'utf_16',
-    'u16': 'utf_16',
-    'utf16': 'utf_16',
-    'utf-16': 'utf_16',
-    'utf16_be': 'utf16_be',
-    'utf_16_be': 'utf16_be',
-    'utf-16be': 'utf16_be',
-    'utf16_le': 'utf16_le',
-    'utf_16_le': 'utf16_le',
-    'utf-16le': 'utf16_le',
-    'utf_8': 'utf_8',
-    'u8': 'utf_8',
-    'utf': 'utf_8',
-    'utf8': 'utf_8',
-    'utf-8': 'utf_8',
-    }
-
-# Map of encodings to the BOM to write.
-BOM_SET = {
-    'utf_8': BOM_UTF8,
-    'utf_16': BOM_UTF16,
-    'utf16_be': BOM_UTF16_BE,
-    'utf16_le': BOM_UTF16_LE,
-    None: BOM_UTF8
-    }
-
-
-def match_utf8(encoding):
-    return BOM_LIST.get(encoding.lower()) == 'utf_8'
-
-
-# Quote strings used for writing values
-squot = "'%s'"
-dquot = '"%s"'
-noquot = "%s"
-wspace_plus = ' \r\n\v\t\'"'
-tsquot = '"""%s"""'
-tdquot = "'''%s'''"
-
-# Sentinel for use in getattr calls to replace hasattr
-MISSING = object()
-
-__version__ = '4.7.2'
-
-try:
-    any
-except NameError:
-    def any(iterable):
-        for entry in iterable:
-            if entry:
-                return True
-        return False
-
-
-__all__ = (
-    '__version__',
-    'DEFAULT_INDENT_TYPE',
-    'DEFAULT_INTERPOLATION',
-    'ConfigObjError',
-    'NestingError',
-    'ParseError',
-    'DuplicateError',
-    'ConfigspecError',
-    'ConfigObj',
-    'SimpleVal',
-    'InterpolationError',
-    'InterpolationLoopError',
-    'MissingInterpolationOption',
-    'RepeatSectionError',
-    'ReloadError',
-    'UnreprError',
-    'UnknownType',
-    'flatten_errors',
-    'get_extra_values'
-)
-
-DEFAULT_INTERPOLATION = 'configparser'
-DEFAULT_INDENT_TYPE = '    '
-MAX_INTERPOL_DEPTH = 10
-
-OPTION_DEFAULTS = {
-    'interpolation': True,
-    'raise_errors': False,
-    'list_values': True,
-    'create_empty': False,
-    'file_error': False,
-    'configspec': None,
-    'stringify': True,
-    # option may be set to one of ('', ' ', '\t')
-    'indent_type': None,
-    'encoding': None,
-    'default_encoding': None,
-    'unrepr': False,
-    'write_empty_values': False,
-}
-
-
-
-def getObj(s):
-    global compiler
-    if compiler is None:
-        import compiler
-    s = "a=" + s
-    p = compiler.parse(s)
-    return p.getChildren()[1].getChildren()[0].getChildren()[1]
-
-
-class UnknownType(Exception):
-    pass
-
-
-class Builder(object):
-    
-    def build(self, o):
-        m = getattr(self, 'build_' + o.__class__.__name__, None)
-        if m is None:
-            raise UnknownType(o.__class__.__name__)
-        return m(o)
-    
-    def build_List(self, o):
-        return map(self.build, o.getChildren())
-    
-    def build_Const(self, o):
-        return o.value
-    
-    def build_Dict(self, o):
-        d = {}
-        i = iter(map(self.build, o.getChildren()))
-        for el in i:
-            d[el] = i.next()
-        return d
-    
-    def build_Tuple(self, o):
-        return tuple(self.build_List(o))
-    
-    def build_Name(self, o):
-        if o.name == 'None':
-            return None
-        if o.name == 'True':
-            return True
-        if o.name == 'False':
-            return False
-        
-        # An undefined Name
-        raise UnknownType('Undefined Name')
-    
-    def build_Add(self, o):
-        real, imag = map(self.build_Const, o.getChildren())
-        try:
-            real = float(real)
-        except TypeError:
-            raise UnknownType('Add')
-        if not isinstance(imag, complex) or imag.real != 0.0:
-            raise UnknownType('Add')
-        return real+imag
-    
-    def build_Getattr(self, o):
-        parent = self.build(o.expr)
-        return getattr(parent, o.attrname)
-    
-    def build_UnarySub(self, o):
-        return -self.build_Const(o.getChildren()[0])
-    
-    def build_UnaryAdd(self, o):
-        return self.build_Const(o.getChildren()[0])
-
-
-_builder = Builder()
-
-
-def unrepr(s):
-    if not s:
-        return s
-    return _builder.build(getObj(s))
-
-
-
-class ConfigObjError(SyntaxError):
-    """
-    This is the base class for all errors that ConfigObj raises.
-    It is a subclass of SyntaxError.
-    """
-    def __init__(self, message='', line_number=None, line=''):
-        self.line = line
-        self.line_number = line_number
-        SyntaxError.__init__(self, message)
-
-
-class NestingError(ConfigObjError):
-    """
-    This error indicates a level of nesting that doesn't match.
-    """
-
-
-class ParseError(ConfigObjError):
-    """
-    This error indicates that a line is badly written.
-    It is neither a valid ``key = value`` line,
-    nor a valid section marker line.
-    """
-
-
-class ReloadError(IOError):
-    """
-    A 'reload' operation failed.
-    This exception is a subclass of ``IOError``.
-    """
-    def __init__(self):
-        IOError.__init__(self, 'reload failed, filename is not set.')
-
-
-class DuplicateError(ConfigObjError):
-    """
-    The keyword or section specified already exists.
-    """
-
-
-class ConfigspecError(ConfigObjError):
-    """
-    An error occured whilst parsing a configspec.
-    """
-
-
-class InterpolationError(ConfigObjError):
-    """Base class for the two interpolation errors."""
-
-
-class InterpolationLoopError(InterpolationError):
-    """Maximum interpolation depth exceeded in string interpolation."""
-
-    def __init__(self, option):
-        InterpolationError.__init__(
-            self,
-            'interpolation loop detected in value "%s".' % option)
-
-
-class RepeatSectionError(ConfigObjError):
-    """
-    This error indicates additional sections in a section with a
-    ``__many__`` (repeated) section.
-    """
-
-
-class MissingInterpolationOption(InterpolationError):
-    """A value specified for interpolation was missing."""
-    def __init__(self, option):
-        msg = 'missing option "%s" in interpolation.' % option
-        InterpolationError.__init__(self, msg)
-
-
-class UnreprError(ConfigObjError):
-    """An error parsing in unrepr mode."""
-
-
-
-class InterpolationEngine(object):
-    """
-    A helper class to help perform string interpolation.
-
-    This class is an abstract base class; its descendants perform
-    the actual work.
-    """
-
-    # compiled regexp to use in self.interpolate()
-    _KEYCRE = re.compile(r"%\(([^)]*)\)s")
-    _cookie = '%'
-
-    def __init__(self, section):
-        # the Section instance that "owns" this engine
-        self.section = section
-
-
-    def interpolate(self, key, value):
-        # short-cut
-        if not self._cookie in value:
-            return value
-        
-        def recursive_interpolate(key, value, section, backtrail):
-            """The function that does the actual work.
-
-            ``value``: the string we're trying to interpolate.
-            ``section``: the section in which that string was found
-            ``backtrail``: a dict to keep track of where we've been,
-            to detect and prevent infinite recursion loops
-
-            This is similar to a depth-first-search algorithm.
-            """
-            # Have we been here already?
-            if (key, section.name) in backtrail:
-                # Yes - infinite loop detected
-                raise InterpolationLoopError(key)
-            # Place a marker on our backtrail so we won't come back here again
-            backtrail[(key, section.name)] = 1
-
-            # Now start the actual work
-            match = self._KEYCRE.search(value)
-            while match:
-                # The actual parsing of the match is implementation-dependent,
-                # so delegate to our helper function
-                k, v, s = self._parse_match(match)
-                if k is None:
-                    # That's the signal that no further interpolation is needed
-                    replacement = v
-                else:
-                    # Further interpolation may be needed to obtain final value
-                    replacement = recursive_interpolate(k, v, s, backtrail)
-                # Replace the matched string with its final value
-                start, end = match.span()
-                value = ''.join((value[:start], replacement, value[end:]))
-                new_search_start = start + len(replacement)
-                # Pick up the next interpolation key, if any, for next time
-                # through the while loop
-                match = self._KEYCRE.search(value, new_search_start)
-
-            # Now safe to come back here again; remove marker from backtrail
-            del backtrail[(key, section.name)]
-
-            return value
-
-        # Back in interpolate(), all we have to do is kick off the recursive
-        # function with appropriate starting values
-        value = recursive_interpolate(key, value, self.section, {})
-        return value
-
-
-    def _fetch(self, key):
-        """Helper function to fetch values from owning section.
-
-        Returns a 2-tuple: the value, and the section where it was found.
-        """
-        # switch off interpolation before we try and fetch anything !
-        save_interp = self.section.main.interpolation
-        self.section.main.interpolation = False
-
-        # Start at section that "owns" this InterpolationEngine
-        current_section = self.section
-        while True:
-            # try the current section first
-            val = current_section.get(key)
-            if val is not None and not isinstance(val, Section):
-                break
-            # try "DEFAULT" next
-            val = current_section.get('DEFAULT', {}).get(key)
-            if val is not None and not isinstance(val, Section):
-                break
-            # move up to parent and try again
-            # top-level's parent is itself
-            if current_section.parent is current_section:
-                # reached top level, time to give up
-                break
-            current_section = current_section.parent
-
-        # restore interpolation to previous value before returning
-        self.section.main.interpolation = save_interp
-        if val is None:
-            raise MissingInterpolationOption(key)
-        return val, current_section
-
-
-    def _parse_match(self, match):
-        """Implementation-dependent helper function.
-
-        Will be passed a match object corresponding to the interpolation
-        key we just found (e.g., "%(foo)s" or "$foo"). Should look up that
-        key in the appropriate config file section (using the ``_fetch()``
-        helper function) and return a 3-tuple: (key, value, section)
-
-        ``key`` is the name of the key we're looking for
-        ``value`` is the value found for that key
-        ``section`` is a reference to the section where it was found
-
-        ``key`` and ``section`` should be None if no further
-        interpolation should be performed on the resulting value
-        (e.g., if we interpolated "$$" and returned "$").
-        """
-        raise NotImplementedError()
-    
-
-
-class ConfigParserInterpolation(InterpolationEngine):
-    """Behaves like ConfigParser."""
-    _cookie = '%'
-    _KEYCRE = re.compile(r"%\(([^)]*)\)s")
-
-    def _parse_match(self, match):
-        key = match.group(1)
-        value, section = self._fetch(key)
-        return key, value, section
-
-
-
-class TemplateInterpolation(InterpolationEngine):
-    """Behaves like string.Template."""
-    _cookie = '$'
-    _delimiter = '$'
-    _KEYCRE = re.compile(r"""
-        \$(?:
-          (?P<escaped>\$)              |   # Two $ signs
-          (?P<named>[_a-z][_a-z0-9]*)  |   # $name format
-          {(?P<braced>[^}]*)}              # ${name} format
-        )
-        """, re.IGNORECASE | re.VERBOSE)
-
-    def _parse_match(self, match):
-        # Valid name (in or out of braces): fetch value from section
-        key = match.group('named') or match.group('braced')
-        if key is not None:
-            value, section = self._fetch(key)
-            return key, value, section
-        # Escaped delimiter (e.g., $$): return single delimiter
-        if match.group('escaped') is not None:
-            # Return None for key and section to indicate it's time to stop
-            return None, self._delimiter, None
-        # Anything else: ignore completely, just return it unchanged
-        return None, match.group(), None
-
-
-interpolation_engines = {
-    'configparser': ConfigParserInterpolation,
-    'template': TemplateInterpolation,
-}
-
-
-def __newobj__(cls, *args):
-    # Hack for pickle
-    return cls.__new__(cls, *args) 
-
-class Section(dict):
-    """
-    A dictionary-like object that represents a section in a config file.
-    
-    It does string interpolation if the 'interpolation' attribute
-    of the 'main' object is set to True.
-    
-    Interpolation is tried first from this object, then from the 'DEFAULT'
-    section of this object, next from the parent and its 'DEFAULT' section,
-    and so on until the main object is reached.
-    
-    A Section will behave like an ordered dictionary - following the
-    order of the ``scalars`` and ``sections`` attributes.
-    You can use this to change the order of members.
-    
-    Iteration follows the order: scalars, then sections.
-    """
-
-    
-    def __setstate__(self, state):
-        dict.update(self, state[0])
-        self.__dict__.update(state[1])
-
-    def __reduce__(self):
-        state = (dict(self), self.__dict__)
-        return (__newobj__, (self.__class__,), state)
-    
-    
-    def __init__(self, parent, depth, main, indict=None, name=None):
-        """
-        * parent is the section above
-        * depth is the depth level of this section
-        * main is the main ConfigObj
-        * indict is a dictionary to initialise the section with
-        """
-        if indict is None:
-            indict = {}
-        dict.__init__(self)
-        # used for nesting level *and* interpolation
-        self.parent = parent
-        # used for the interpolation attribute
-        self.main = main
-        # level of nesting depth of this Section
-        self.depth = depth
-        # purely for information
-        self.name = name
-        #
-        self._initialise()
-        # we do this explicitly so that __setitem__ is used properly
-        # (rather than just passing to ``dict.__init__``)
-        for entry, value in indict.iteritems():
-            self[entry] = value
-            
-            
-    def _initialise(self):
-        # the sequence of scalar values in this Section
-        self.scalars = []
-        # the sequence of sections in this Section
-        self.sections = []
-        # for comments :-)
-        self.comments = {}
-        self.inline_comments = {}
-        # the configspec
-        self.configspec = None
-        # for defaults
-        self.defaults = []
-        self.default_values = {}
-        self.extra_values = []
-        self._created = False
-
-
-    def _interpolate(self, key, value):
-        try:
-            # do we already have an interpolation engine?
-            engine = self._interpolation_engine
-        except AttributeError:
-            # not yet: first time running _interpolate(), so pick the engine
-            name = self.main.interpolation
-            if name == True:  # note that "if name:" would be incorrect here
-                # backwards-compatibility: interpolation=True means use default
-                name = DEFAULT_INTERPOLATION
-            name = name.lower()  # so that "Template", "template", etc. all work
-            class_ = interpolation_engines.get(name, None)
-            if class_ is None:
-                # invalid value for self.main.interpolation
-                self.main.interpolation = False
-                return value
-            else:
-                # save reference to engine so we don't have to do this again
-                engine = self._interpolation_engine = class_(self)
-        # let the engine do the actual work
-        return engine.interpolate(key, value)
-
-
-    def __getitem__(self, key):
-        """Fetch the item and do string interpolation."""
-        val = dict.__getitem__(self, key)
-        if self.main.interpolation: 
-            if isinstance(val, basestring):
-                return self._interpolate(key, val)
-            if isinstance(val, list):
-                def _check(entry):
-                    if isinstance(entry, basestring):
-                        return self._interpolate(key, entry)
-                    return entry
-                new = [_check(entry) for entry in val]
-                if new != val:
-                    return new
-        return val
-
-
-    def __setitem__(self, key, value, unrepr=False):
-        """
-        Correctly set a value.
-        
-        Making dictionary values Section instances.
-        (We have to special case 'Section' instances - which are also dicts)
-        
-        Keys must be strings.
-        Values need only be strings (or lists of strings) if
-        ``main.stringify`` is set.
-        
-        ``unrepr`` must be set when setting a value to a dictionary, without
-        creating a new sub-section.
-        """
-        if not isinstance(key, basestring):
-            raise ValueError('The key "%s" is not a string.' % key)
-        
-        # add the comment
-        if key not in self.comments:
-            self.comments[key] = []
-            self.inline_comments[key] = ''
-        # remove the entry from defaults
-        if key in self.defaults:
-            self.defaults.remove(key)
-        #
-        if isinstance(value, Section):
-            if key not in self:
-                self.sections.append(key)
-            dict.__setitem__(self, key, value)
-        elif isinstance(value, dict) and not unrepr:
-            # First create the new depth level,
-            # then create the section
-            if key not in self:
-                self.sections.append(key)
-            new_depth = self.depth + 1
-            dict.__setitem__(
-                self,
-                key,
-                Section(
-                    self,
-                    new_depth,
-                    self.main,
-                    indict=value,
-                    name=key))
-        else:
-            if key not in self:
-                self.scalars.append(key)
-            if not self.main.stringify:
-                if isinstance(value, basestring):
-                    pass
-                elif isinstance(value, (list, tuple)):
-                    for entry in value:
-                        if not isinstance(entry, basestring):
-                            raise TypeError('Value is not a string "%s".' % entry)
-                else:
-                    raise TypeError('Value is not a string "%s".' % value)
-            dict.__setitem__(self, key, value)
-
-
-    def __delitem__(self, key):
-        """Remove items from the sequence when deleting."""
-        dict. __delitem__(self, key)
-        if key in self.scalars:
-            self.scalars.remove(key)
-        else:
-            self.sections.remove(key)
-        del self.comments[key]
-        del self.inline_comments[key]
-
-
-    def get(self, key, default=None):
-        """A version of ``get`` that doesn't bypass string interpolation."""
-        try:
-            return self[key]
-        except KeyError:
-            return default
-
-
-    def update(self, indict):
-        """
-        A version of update that uses our ``__setitem__``.
-        """
-        for entry in indict:
-            self[entry] = indict[entry]
-
-
-    def pop(self, key, default=MISSING):
-        """
-        'D.pop(k[,d]) -> v, remove specified key and return the corresponding value.
-        If key is not found, d is returned if given, otherwise KeyError is raised'
-        """
-        try:
-            val = self[key]
-        except KeyError:
-            if default is MISSING:
-                raise
-            val = default
-        else:
-            del self[key]
-        return val
-
-
-    def popitem(self):
-        """Pops the first (key,val)"""
-        sequence = (self.scalars + self.sections)
-        if not sequence:
-            raise KeyError(": 'popitem(): dictionary is empty'")
-        key = sequence[0]
-        val =  self[key]
-        del self[key]
-        return key, val
-
-
-    def clear(self):
-        """
-        A version of clear that also affects scalars/sections
-        Also clears comments and configspec.
-        
-        Leaves other attributes alone :
-            depth/main/parent are not affected
-        """
-        dict.clear(self)
-        self.scalars = []
-        self.sections = []
-        self.comments = {}
-        self.inline_comments = {}
-        self.configspec = None
-        self.defaults = []
-        self.extra_values = []
-
-
-    def setdefault(self, key, default=None):
-        """A version of setdefault that sets sequence if appropriate."""
-        try:
-            return self[key]
-        except KeyError:
-            self[key] = default
-            return self[key]
-
-
-    def items(self):
-        """D.items() -> list of D's (key, value) pairs, as 2-tuples"""
-        return zip((self.scalars + self.sections), self.values())
-
-
-    def keys(self):
-        """D.keys() -> list of D's keys"""
-        return (self.scalars + self.sections)
-
-
-    def values(self):
-        """D.values() -> list of D's values"""
-        return [self[key] for key in (self.scalars + self.sections)]
-
-
-    def iteritems(self):
-        """D.iteritems() -> an iterator over the (key, value) items of D"""
-        return iter(self.items())
-
-
-    def iterkeys(self):
-        """D.iterkeys() -> an iterator over the keys of D"""
-        return iter((self.scalars + self.sections))
-
-    __iter__ = iterkeys
-
-
-    def itervalues(self):
-        """D.itervalues() -> an iterator over the values of D"""
-        return iter(self.values())
-
-
-    def __repr__(self):
-        """x.__repr__() <==> repr(x)"""
-        def _getval(key):
-            try:
-                return self[key]
-            except MissingInterpolationOption:
-                return dict.__getitem__(self, key)
-        return '{%s}' % ', '.join([('%s: %s' % (repr(key), repr(_getval(key))))
-            for key in (self.scalars + self.sections)])
-
-    __str__ = __repr__
-    __str__.__doc__ = "x.__str__() <==> str(x)"
-
-
-    # Extra methods - not in a normal dictionary
-
-    def dict(self):
-        """
-        Return a deepcopy of self as a dictionary.
-        
-        All members that are ``Section`` instances are recursively turned to
-        ordinary dictionaries - by calling their ``dict`` method.
-        
-        >>> n = a.dict()
-        >>> n == a
-        1
-        >>> n is a
-        0
-        """
-        newdict = {}
-        for entry in self:
-            this_entry = self[entry]
-            if isinstance(this_entry, Section):
-                this_entry = this_entry.dict()
-            elif isinstance(this_entry, list):
-                # create a copy rather than a reference
-                this_entry = list(this_entry)
-            elif isinstance(this_entry, tuple):
-                # create a copy rather than a reference
-                this_entry = tuple(this_entry)
-            newdict[entry] = this_entry
-        return newdict
-
-
-    def merge(self, indict):
-        """
-        A recursive update - useful for merging config files.
-        
-        >>> a = '''[section1]
-        ...     option1 = True
-        ...     [[subsection]]
-        ...     more_options = False
-        ...     # end of file'''.splitlines()
-        >>> b = '''# File is user.ini
-        ...     [section1]
-        ...     option1 = False
-        ...     # end of file'''.splitlines()
-        >>> c1 = ConfigObj(b)
-        >>> c2 = ConfigObj(a)
-        >>> c2.merge(c1)
-        >>> c2
-        ConfigObj({'section1': {'option1': 'False', 'subsection': {'more_options': 'False'}}})
-        """
-        for key, val in indict.items():
-            if (key in self and isinstance(self[key], dict) and
-                                isinstance(val, dict)):
-                self[key].merge(val)
-            else:   
-                self[key] = val
-
-
-    def rename(self, oldkey, newkey):
-        """
-        Change a keyname to another, without changing position in sequence.
-        
-        Implemented so that transformations can be made on keys,
-        as well as on values. (used by encode and decode)
-        
-        Also renames comments.
-        """
-        if oldkey in self.scalars:
-            the_list = self.scalars
-        elif oldkey in self.sections:
-            the_list = self.sections
-        else:
-            raise KeyError('Key "%s" not found.' % oldkey)
-        pos = the_list.index(oldkey)
-        #
-        val = self[oldkey]
-        dict.__delitem__(self, oldkey)
-        dict.__setitem__(self, newkey, val)
-        the_list.remove(oldkey)
-        the_list.insert(pos, newkey)
-        comm = self.comments[oldkey]
-        inline_comment = self.inline_comments[oldkey]
-        del self.comments[oldkey]
-        del self.inline_comments[oldkey]
-        self.comments[newkey] = comm
-        self.inline_comments[newkey] = inline_comment
-
-
-    def walk(self, function, raise_errors=True,
-            call_on_sections=False, **keywargs):
-        """
-        Walk every member and call a function on the keyword and value.
-        
-        Return a dictionary of the return values
-        
-        If the function raises an exception, raise the errror
-        unless ``raise_errors=False``, in which case set the return value to
-        ``False``.
-        
-        Any unrecognised keyword arguments you pass to walk, will be pased on
-        to the function you pass in.
-        
-        Note: if ``call_on_sections`` is ``True`` then - on encountering a
-        subsection, *first* the function is called for the *whole* subsection,
-        and then recurses into it's members. This means your function must be
-        able to handle strings, dictionaries and lists. This allows you
-        to change the key of subsections as well as for ordinary members. The
-        return value when called on the whole subsection has to be discarded.
-        
-        See  the encode and decode methods for examples, including functions.
-        
-        .. admonition:: caution
-        
-            You can use ``walk`` to transform the names of members of a section
-            but you mustn't add or delete members.
-        
-        >>> config = '''[XXXXsection]
-        ... XXXXkey = XXXXvalue'''.splitlines()
-        >>> cfg = ConfigObj(config)
-        >>> cfg
-        ConfigObj({'XXXXsection': {'XXXXkey': 'XXXXvalue'}})
-        >>> def transform(section, key):
-        ...     val = section[key]
-        ...     newkey = key.replace('XXXX', 'CLIENT1')
-        ...     section.rename(key, newkey)
-        ...     if isinstance(val, (tuple, list, dict)):
-        ...         pass
-        ...     else:
-        ...         val = val.replace('XXXX', 'CLIENT1')
-        ...         section[newkey] = val
-        >>> cfg.walk(transform, call_on_sections=True)
-        {'CLIENT1section': {'CLIENT1key': None}}
-        >>> cfg
-        ConfigObj({'CLIENT1section': {'CLIENT1key': 'CLIENT1value'}})
-        """
-        out = {}
-        # scalars first
-        for i in range(len(self.scalars)):
-            entry = self.scalars[i]
-            try:
-                val = function(self, entry, **keywargs)
-                # bound again in case name has changed
-                entry = self.scalars[i]
-                out[entry] = val
-            except Exception:
-                if raise_errors:
-                    raise
-                else:
-                    entry = self.scalars[i]
-                    out[entry] = False
-        # then sections
-        for i in range(len(self.sections)):
-            entry = self.sections[i]
-            if call_on_sections:
-                try:
-                    function(self, entry, **keywargs)
-                except Exception:
-                    if raise_errors:
-                        raise
-                    else:
-                        entry = self.sections[i]
-                        out[entry] = False
-                # bound again in case name has changed
-                entry = self.sections[i]
-            # previous result is discarded
-            out[entry] = self[entry].walk(
-                function,
-                raise_errors=raise_errors,
-                call_on_sections=call_on_sections,
-                **keywargs)
-        return out
-
-
-    def as_bool(self, key):
-        """
-        Accepts a key as input. The corresponding value must be a string or
-        the objects (``True`` or 1) or (``False`` or 0). We allow 0 and 1 to
-        retain compatibility with Python 2.2.
-        
-        If the string is one of  ``True``, ``On``, ``Yes``, or ``1`` it returns 
-        ``True``.
-        
-        If the string is one of  ``False``, ``Off``, ``No``, or ``0`` it returns 
-        ``False``.
-        
-        ``as_bool`` is not case sensitive.
-        
-        Any other input will raise a ``ValueError``.
-        
-        >>> a = ConfigObj()
-        >>> a['a'] = 'fish'
-        >>> a.as_bool('a')
-        Traceback (most recent call last):
-        ValueError: Value "fish" is neither True nor False
-        >>> a['b'] = 'True'
-        >>> a.as_bool('b')
-        1
-        >>> a['b'] = 'off'
-        >>> a.as_bool('b')
-        0
-        """
-        val = self[key]
-        if val == True:
-            return True
-        elif val == False:
-            return False
-        else:
-            try:
-                if not isinstance(val, basestring):
-                    # TODO: Why do we raise a KeyError here?
-                    raise KeyError()
-                else:
-                    return self.main._bools[val.lower()]
-            except KeyError:
-                raise ValueError('Value "%s" is neither True nor False' % val)
-
-
-    def as_int(self, key):
-        """
-        A convenience method which coerces the specified value to an integer.
-        
-        If the value is an invalid literal for ``int``, a ``ValueError`` will
-        be raised.
-        
-        >>> a = ConfigObj()
-        >>> a['a'] = 'fish'
-        >>> a.as_int('a')
-        Traceback (most recent call last):
-        ValueError: invalid literal for int() with base 10: 'fish'
-        >>> a['b'] = '1'
-        >>> a.as_int('b')
-        1
-        >>> a['b'] = '3.2'
-        >>> a.as_int('b')
-        Traceback (most recent call last):
-        ValueError: invalid literal for int() with base 10: '3.2'
-        """
-        return int(self[key])
-
-
-    def as_float(self, key):
-        """
-        A convenience method which coerces the specified value to a float.
-        
-        If the value is an invalid literal for ``float``, a ``ValueError`` will
-        be raised.
-        
-        >>> a = ConfigObj()
-        >>> a['a'] = 'fish'
-        >>> a.as_float('a')
-        Traceback (most recent call last):
-        ValueError: invalid literal for float(): fish
-        >>> a['b'] = '1'
-        >>> a.as_float('b')
-        1.0
-        >>> a['b'] = '3.2'
-        >>> a.as_float('b')
-        3.2000000000000002
-        """
-        return float(self[key])
-    
-    
-    def as_list(self, key):
-        """
-        A convenience method which fetches the specified value, guaranteeing
-        that it is a list.
-        
-        >>> a = ConfigObj()
-        >>> a['a'] = 1
-        >>> a.as_list('a')
-        [1]
-        >>> a['a'] = (1,)
-        >>> a.as_list('a')
-        [1]
-        >>> a['a'] = [1]
-        >>> a.as_list('a')
-        [1]
-        """
-        result = self[key]
-        if isinstance(result, (tuple, list)):
-            return list(result)
-        return [result]
-        
-
-    def restore_default(self, key):
-        """
-        Restore (and return) default value for the specified key.
-        
-        This method will only work for a ConfigObj that was created
-        with a configspec and has been validated.
-        
-        If there is no default value for this key, ``KeyError`` is raised.
-        """
-        default = self.default_values[key]
-        dict.__setitem__(self, key, default)
-        if key not in self.defaults:
-            self.defaults.append(key)
-        return default
-
-    
-    def restore_defaults(self):
-        """
-        Recursively restore default values to all members
-        that have them.
-        
-        This method will only work for a ConfigObj that was created
-        with a configspec and has been validated.
-        
-        It doesn't delete or modify entries without default values.
-        """
-        for key in self.default_values:
-            self.restore_default(key)
-            
-        for section in self.sections:
-            self[section].restore_defaults()
-
-
-class ConfigObj(Section):
-    """An object to read, create, and write config files."""
-
-    _keyword = re.compile(r'''^ # line start
-        (\s*)                   # indentation
-        (                       # keyword
-            (?:".*?")|          # double quotes
-            (?:'.*?')|          # single quotes
-            (?:[^'"=].*?)       # no quotes
-        )
-        \s*=\s*                 # divider
-        (.*)                    # value (including list values and comments)
-        $   # line end
-        ''',
-        re.VERBOSE)
-
-    _sectionmarker = re.compile(r'''^
-        (\s*)                     # 1: indentation
-        ((?:\[\s*)+)              # 2: section marker open
-        (                         # 3: section name open
-            (?:"\s*\S.*?\s*")|    # at least one non-space with double quotes
-            (?:'\s*\S.*?\s*')|    # at least one non-space with single quotes
-            (?:[^'"\s].*?)        # at least one non-space unquoted
-        )                         # section name close
-        ((?:\s*\])+)              # 4: section marker close
-        \s*(\#.*)?                # 5: optional comment
-        $''',
-        re.VERBOSE)
-
-    # this regexp pulls list values out as a single string
-    # or single values and comments
-    # FIXME: this regex adds a '' to the end of comma terminated lists
-    #   workaround in ``_handle_value``
-    _valueexp = re.compile(r'''^
-        (?:
-            (?:
-                (
-                    (?:
-                        (?:
-                            (?:".*?")|              # double quotes
-                            (?:'.*?')|              # single quotes
-                            (?:[^'",\#][^,\#]*?)    # unquoted
-                        )
-                        \s*,\s*                     # comma
-                    )*      # match all list items ending in a comma (if any)
-                )
-                (
-                    (?:".*?")|                      # double quotes
-                    (?:'.*?')|                      # single quotes
-                    (?:[^'",\#\s][^,]*?)|           # unquoted
-                    (?:(?<!,))                      # Empty value
-                )?          # last item in a list - or string value
-            )|
-            (,)             # alternatively a single comma - empty list
-        )
-        \s*(\#.*)?          # optional comment
-        $''',
-        re.VERBOSE)
-
-    # use findall to get the members of a list value
-    _listvalueexp = re.compile(r'''
-        (
-            (?:".*?")|          # double quotes
-            (?:'.*?')|          # single quotes
-            (?:[^'",\#]?.*?)       # unquoted
-        )
-        \s*,\s*                 # comma
-        ''',
-        re.VERBOSE)
-
-    # this regexp is used for the value
-    # when lists are switched off
-    _nolistvalue = re.compile(r'''^
-        (
-            (?:".*?")|          # double quotes
-            (?:'.*?')|          # single quotes
-            (?:[^'"\#].*?)|     # unquoted
-            (?:)                # Empty value
-        )
-        \s*(\#.*)?              # optional comment
-        $''',
-        re.VERBOSE)
-
-    # regexes for finding triple quoted values on one line
-    _single_line_single = re.compile(r"^'''(.*?)'''\s*(#.*)?$")
-    _single_line_double = re.compile(r'^"""(.*?)"""\s*(#.*)?$')
-    _multi_line_single = re.compile(r"^(.*?)'''\s*(#.*)?$")
-    _multi_line_double = re.compile(r'^(.*?)"""\s*(#.*)?$')
-
-    _triple_quote = {
-        "'''": (_single_line_single, _multi_line_single),
-        '"""': (_single_line_double, _multi_line_double),
-    }
-
-    # Used by the ``istrue`` Section method
-    _bools = {
-        'yes': True, 'no': False,
-        'on': True, 'off': False,
-        '1': True, '0': False,
-        'true': True, 'false': False,
-        }
-
-
-    def __init__(self, infile=None, options=None, configspec=None, encoding=None,
-                 interpolation=True, raise_errors=False, list_values=True,
-                 create_empty=False, file_error=False, stringify=True,
-                 indent_type=None, default_encoding=None, unrepr=False,
-                 write_empty_values=False, _inspec=False):
-        """
-        Parse a config file or create a config file object.
-        
-        ``ConfigObj(infile=None, configspec=None, encoding=None,
-                    interpolation=True, raise_errors=False, list_values=True,
-                    create_empty=False, file_error=False, stringify=True,
-                    indent_type=None, default_encoding=None, unrepr=False,
-                    write_empty_values=False, _inspec=False)``
-        """
-        self._inspec = _inspec
-        # init the superclass
-        Section.__init__(self, self, 0, self)
-        
-        infile = infile or []
-        
-        _options = {'configspec': configspec,
-                    'encoding': encoding, 'interpolation': interpolation,
-                    'raise_errors': raise_errors, 'list_values': list_values,
-                    'create_empty': create_empty, 'file_error': file_error,
-                    'stringify': stringify, 'indent_type': indent_type,
-                    'default_encoding': default_encoding, 'unrepr': unrepr,
-                    'write_empty_values': write_empty_values}
-
-        if options is None:
-            options = _options
-        else:
-            import warnings
-            warnings.warn('Passing in an options dictionary to ConfigObj() is '
-                          'deprecated. Use **options instead.',
-                          DeprecationWarning, stacklevel=2)
-            
-            # TODO: check the values too.
-            for entry in options:
-                if entry not in OPTION_DEFAULTS:
-                    raise TypeError('Unrecognised option "%s".' % entry)
-            for entry, value in OPTION_DEFAULTS.items():
-                if entry not in options:
-                    options[entry] = value
-                keyword_value = _options[entry]
-                if value != keyword_value:
-                    options[entry] = keyword_value
-        
-        # XXXX this ignores an explicit list_values = True in combination
-        # with _inspec. The user should *never* do that anyway, but still...
-        if _inspec:
-            options['list_values'] = False
-        
-        self._initialise(options)
-        configspec = options['configspec']
-        self._original_configspec = configspec
-        self._load(infile, configspec)
-        
-        
-    def _load(self, infile, configspec):
-        if isinstance(infile, basestring):
-            self.filename = infile
-            if os.path.isfile(infile):
-                h = open(infile, 'rb')
-                infile = h.read() or []
-                h.close()
-            elif self.file_error:
-                # raise an error if the file doesn't exist
-                raise IOError('Config file not found: "%s".' % self.filename)
-            else:
-                # file doesn't already exist
-                if self.create_empty:
-                    # this is a good test that the filename specified
-                    # isn't impossible - like on a non-existent device
-                    h = open(infile, 'w')
-                    h.write('')
-                    h.close()
-                infile = []
-                
-        elif isinstance(infile, (list, tuple)):
-            infile = list(infile)
-            
-        elif isinstance(infile, dict):
-            # initialise self
-            # the Section class handles creating subsections
-            if isinstance(infile, ConfigObj):
-                # get a copy of our ConfigObj
-                def set_section(in_section, this_section):
-                    for entry in in_section.scalars:
-                        this_section[entry] = in_section[entry]
-                    for section in in_section.sections:
-                        this_section[section] = {}
-                        set_section(in_section[section], this_section[section])
-                set_section(infile, self)
-                
-            else:
-                for entry in infile:
-                    self[entry] = infile[entry]
-            del self._errors
-            
-            if configspec is not None:
-                self._handle_configspec(configspec)
-            else:
-                self.configspec = None
-            return
-        
-        elif getattr(infile, 'read', MISSING) is not MISSING:
-            # This supports file like objects
-            infile = infile.read() or []
-            # needs splitting into lines - but needs doing *after* decoding
-            # in case it's not an 8 bit encoding
-        else:
-            raise TypeError('infile must be a filename, file like object, or list of lines.')
-        
-        if infile:
-            # don't do it for the empty ConfigObj
-            infile = self._handle_bom(infile)
-            # infile is now *always* a list
-            #
-            # Set the newlines attribute (first line ending it finds)
-            # and strip trailing '\n' or '\r' from lines
-            for line in infile:
-                if (not line) or (line[-1] not in ('\r', '\n', '\r\n')):
-                    continue
-                for end in ('\r\n', '\n', '\r'):
-                    if line.endswith(end):
-                        self.newlines = end
-                        break
-                break
-
-            infile = [line.rstrip('\r\n') for line in infile]
-            
-        self._parse(infile)
-        # if we had any errors, now is the time to raise them
-        if self._errors:
-            info = "at line %s." % self._errors[0].line_number
-            if len(self._errors) > 1:
-                msg = "Parsing failed with several errors.\nFirst error %s" % info
-                error = ConfigObjError(msg)
-            else:
-                error = self._errors[0]
-            # set the errors attribute; it's a list of tuples:
-            # (error_type, message, line_number)
-            error.errors = self._errors
-            # set the config attribute
-            error.config = self
-            raise error
-        # delete private attributes
-        del self._errors
-        
-        if configspec is None:
-            self.configspec = None
-        else:
-            self._handle_configspec(configspec)
-    
-    
-    def _initialise(self, options=None):
-        if options is None:
-            options = OPTION_DEFAULTS
-            
-        # initialise a few variables
-        self.filename = None
-        self._errors = []
-        self.raise_errors = options['raise_errors']
-        self.interpolation = options['interpolation']
-        self.list_values = options['list_values']
-        self.create_empty = options['create_empty']
-        self.file_error = options['file_error']
-        self.stringify = options['stringify']
-        self.indent_type = options['indent_type']
-        self.encoding = options['encoding']
-        self.default_encoding = options['default_encoding']
-        self.BOM = False
-        self.newlines = None
-        self.write_empty_values = options['write_empty_values']
-        self.unrepr = options['unrepr']
-        
-        self.initial_comment = []
-        self.final_comment = []
-        self.configspec = None
-        
-        if self._inspec:
-            self.list_values = False
-        
-        # Clear section attributes as well
-        Section._initialise(self)
-        
-        
-    def __repr__(self):
-        def _getval(key):
-            try:
-                return self[key]
-            except MissingInterpolationOption:
-                return dict.__getitem__(self, key)
-        return ('ConfigObj({%s})' % 
-                ', '.join([('%s: %s' % (repr(key), repr(_getval(key)))) 
-                for key in (self.scalars + self.sections)]))
-    
-    
-    def _handle_bom(self, infile):
-        """
-        Handle any BOM, and decode if necessary.
-        
-        If an encoding is specified, that *must* be used - but the BOM should
-        still be removed (and the BOM attribute set).
-        
-        (If the encoding is wrongly specified, then a BOM for an alternative
-        encoding won't be discovered or removed.)
-        
-        If an encoding is not specified, UTF8 or UTF16 BOM will be detected and
-        removed. The BOM attribute will be set. UTF16 will be decoded to
-        unicode.
-        
-        NOTE: This method must not be called with an empty ``infile``.
-        
-        Specifying the *wrong* encoding is likely to cause a
-        ``UnicodeDecodeError``.
-        
-        ``infile`` must always be returned as a list of lines, but may be
-        passed in as a single string.
-        """
-        if ((self.encoding is not None) and
-            (self.encoding.lower() not in BOM_LIST)):
-            # No need to check for a BOM
-            # the encoding specified doesn't have one
-            # just decode
-            return self._decode(infile, self.encoding)
-        
-        if isinstance(infile, (list, tuple)):
-            line = infile[0]
-        else:
-            line = infile
-        if self.encoding is not None:
-            # encoding explicitly supplied
-            # And it could have an associated BOM
-            # TODO: if encoding is just UTF16 - we ought to check for both
-            # TODO: big endian and little endian versions.
-            enc = BOM_LIST[self.encoding.lower()]
-            if enc == 'utf_16':
-                # For UTF16 we try big endian and little endian
-                for BOM, (encoding, final_encoding) in BOMS.items():
-                    if not final_encoding:
-                        # skip UTF8
-                        continue
-                    if infile.startswith(BOM):
-                        ### BOM discovered
-                        ##self.BOM = True
-                        # Don't need to remove BOM
-                        return self._decode(infile, encoding)
-                    
-                # If we get this far, will *probably* raise a DecodeError
-                # As it doesn't appear to start with a BOM
-                return self._decode(infile, self.encoding)
-            
-            # Must be UTF8
-            BOM = BOM_SET[enc]
-            if not line.startswith(BOM):
-                return self._decode(infile, self.encoding)
-            
-            newline = line[len(BOM):]
-            
-            # BOM removed
-            if isinstance(infile, (list, tuple)):
-                infile[0] = newline
-            else:
-                infile = newline
-            self.BOM = True
-            return self._decode(infile, self.encoding)
-        
-        # No encoding specified - so we need to check for UTF8/UTF16
-        for BOM, (encoding, final_encoding) in BOMS.items():
-            if not line.startswith(BOM):
-                continue
-            else:
-                # BOM discovered
-                self.encoding = final_encoding
-                if not final_encoding:
-                    self.BOM = True
-                    # UTF8
-                    # remove BOM
-                    newline = line[len(BOM):]
-                    if isinstance(infile, (list, tuple)):
-                        infile[0] = newline
-                    else:
-                        infile = newline
-                    # UTF8 - don't decode
-                    if isinstance(infile, basestring):
-                        return infile.splitlines(True)
-                    else:
-                        return infile
-                # UTF16 - have to decode
-                return self._decode(infile, encoding)
-            
-        # No BOM discovered and no encoding specified, just return
-        if isinstance(infile, basestring):
-            # infile read from a file will be a single string
-            return infile.splitlines(True)
-        return infile
-
-
-    def _a_to_u(self, aString):
-        """Decode ASCII strings to unicode if a self.encoding is specified."""
-        if self.encoding:
-            return aString.decode('ascii')
-        else:
-            return aString
-
-
-    def _decode(self, infile, encoding):
-        """
-        Decode infile to unicode. Using the specified encoding.
-        
-        if is a string, it also needs converting to a list.
-        """
-        if isinstance(infile, basestring):
-            # can't be unicode
-            # NOTE: Could raise a ``UnicodeDecodeError``
-            return infile.decode(encoding).splitlines(True)
-        for i, line in enumerate(infile):
-            if not isinstance(line, unicode):
-                # NOTE: The isinstance test here handles mixed lists of unicode/string
-                # NOTE: But the decode will break on any non-string values
-                # NOTE: Or could raise a ``UnicodeDecodeError``
-                infile[i] = line.decode(encoding)
-        return infile
-
-
-    def _decode_element(self, line):
-        """Decode element to unicode if necessary."""
-        if not self.encoding:
-            return line
-        if isinstance(line, str) and self.default_encoding:
-            return line.decode(self.default_encoding)
-        return line
-
-
-    def _str(self, value):
-        """
-        Used by ``stringify`` within validate, to turn non-string values
-        into strings.
-        """
-        if not isinstance(value, basestring):
-            return str(value)
-        else:
-            return value
-
-
-    def _parse(self, infile):
-        """Actually parse the config file."""
-        temp_list_values = self.list_values
-        if self.unrepr:
-            self.list_values = False
-            
-        comment_list = []
-        done_start = False
-        this_section = self
-        maxline = len(infile) - 1
-        cur_index = -1
-        reset_comment = False
-        
-        while cur_index < maxline:
-            if reset_comment:
-                comment_list = []
-            cur_index += 1
-            line = infile[cur_index]
-            sline = line.strip()
-            # do we have anything on the line ?
-            if not sline or sline.startswith('#'):
-                reset_comment = False
-                comment_list.append(line)
-                continue
-            
-            if not done_start:
-                # preserve initial comment
-                self.initial_comment = comment_list
-                comment_list = []
-                done_start = True
-                
-            reset_comment = True
-            # first we check if it's a section marker
-            mat = self._sectionmarker.match(line)
-            if mat is not None:
-                # is a section line
-                (indent, sect_open, sect_name, sect_close, comment) = mat.groups()
-                if indent and (self.indent_type is None):
-                    self.indent_type = indent
-                cur_depth = sect_open.count('[')
-                if cur_depth != sect_close.count(']'):
-                    self._handle_error("Cannot compute the section depth at line %s.",
-                                       NestingError, infile, cur_index)
-                    continue
-                
-                if cur_depth < this_section.depth:
-                    # the new section is dropping back to a previous level
-                    try:
-                        parent = self._match_depth(this_section,
-                                                   cur_depth).parent
-                    except SyntaxError:
-                        self._handle_error("Cannot compute nesting level at line %s.",
-                                           NestingError, infile, cur_index)
-                        continue
-                elif cur_depth == this_section.depth:
-                    # the new section is a sibling of the current section
-                    parent = this_section.parent
-                elif cur_depth == this_section.depth + 1:
-                    # the new section is a child the current section
-                    parent = this_section
-                else:
-                    self._handle_error("Section too nested at line %s.",
-                                       NestingError, infile, cur_index)
-                    
-                sect_name = self._unquote(sect_name)
-                if sect_name in parent:
-                    self._handle_error('Duplicate section name at line %s.',
-                                       DuplicateError, infile, cur_index)
-                    continue
-                
-                # create the new section
-                this_section = Section(
-                    parent,
-                    cur_depth,
-                    self,
-                    name=sect_name)
-                parent[sect_name] = this_section
-                parent.inline_comments[sect_name] = comment
-                parent.comments[sect_name] = comment_list
-                continue
-            #
-            # it's not a section marker,
-            # so it should be a valid ``key = value`` line
-            mat = self._keyword.match(line)
-            if mat is None:
-                # it neither matched as a keyword
-                # or a section marker
-                self._handle_error(
-                    'Invalid line at line "%s".',
-                    ParseError, infile, cur_index)
-            else:
-                # is a keyword value
-                # value will include any inline comment
-                (indent, key, value) = mat.groups()
-                if indent and (self.indent_type is None):
-                    self.indent_type = indent
-                # check for a multiline value
-                if value[:3] in ['"""', "'''"]:
-                    try:
-                        value, comment, cur_index = self._multiline(
-                            value, infile, cur_index, maxline)
-                    except SyntaxError:
-                        self._handle_error(
-                            'Parse error in value at line %s.',
-                            ParseError, infile, cur_index)
-                        continue
-                    else:
-                        if self.unrepr:
-                            comment = ''
-                            try:
-                                value = unrepr(value)
-                            except Exception, e:
-                                if type(e) == UnknownType:
-                                    msg = 'Unknown name or type in value at line %s.'
-                                else:
-                                    msg = 'Parse error in value at line %s.'
-                                self._handle_error(msg, UnreprError, infile,
-                                    cur_index)
-                                continue
-                else:
-                    if self.unrepr:
-                        comment = ''
-                        try:
-                            value = unrepr(value)
-                        except Exception, e:
-                            if isinstance(e, UnknownType):
-                                msg = 'Unknown name or type in value at line %s.'
-                            else:
-                                msg = 'Parse error in value at line %s.'
-                            self._handle_error(msg, UnreprError, infile,
-                                cur_index)
-                            continue
-                    else:
-                        # extract comment and lists
-                        try:
-                            (value, comment) = self._handle_value(value)
-                        except SyntaxError:
-                            self._handle_error(
-                                'Parse error in value at line %s.',
-                                ParseError, infile, cur_index)
-                            continue
-                #
-                key = self._unquote(key)
-                if key in this_section:
-                    self._handle_error(
-                        'Duplicate keyword name at line %s.',
-                        DuplicateError, infile, cur_index)
-                    continue
-                # add the key.
-                # we set unrepr because if we have got this far we will never
-                # be creating a new section
-                this_section.__setitem__(key, value, unrepr=True)
-                this_section.inline_comments[key] = comment
-                this_section.comments[key] = comment_list
-                continue
-        #
-        if self.indent_type is None:
-            # no indentation used, set the type accordingly
-            self.indent_type = ''
-
-        # preserve the final comment
-        if not self and not self.initial_comment:
-            self.initial_comment = comment_list
-        elif not reset_comment:
-            self.final_comment = comment_list
-        self.list_values = temp_list_values
-
-
-    def _match_depth(self, sect, depth):
-        """
-        Given a section and a depth level, walk back through the sections
-        parents to see if the depth level matches a previous section.
-        
-        Return a reference to the right section,
-        or raise a SyntaxError.
-        """
-        while depth < sect.depth:
-            if sect is sect.parent:
-                # we've reached the top level already
-                raise SyntaxError()
-            sect = sect.parent
-        if sect.depth == depth:
-            return sect
-        # shouldn't get here
-        raise SyntaxError()
-
-
-    def _handle_error(self, text, ErrorClass, infile, cur_index):
-        """
-        Handle an error according to the error settings.
-        
-        Either raise the error or store it.
-        The error will have occured at ``cur_index``
-        """
-        line = infile[cur_index]
-        cur_index += 1
-        message = text % cur_index
-        error = ErrorClass(message, cur_index, line)
-        if self.raise_errors:
-            # raise the error - parsing stops here
-            raise error
-        # store the error
-        # reraise when parsing has finished
-        self._errors.append(error)
-
-
-    def _unquote(self, value):
-        """Return an unquoted version of a value"""
-        if not value:
-            # should only happen during parsing of lists
-            raise SyntaxError
-        if (value[0] == value[-1]) and (value[0] in ('"', "'")):
-            value = value[1:-1]
-        return value
-
-
-    def _quote(self, value, multiline=True):
-        """
-        Return a safely quoted version of a value.
-        
-        Raise a ConfigObjError if the value cannot be safely quoted.
-        If multiline is ``True`` (default) then use triple quotes
-        if necessary.
-        
-        * Don't quote values that don't need it.
-        * Recursively quote members of a list and return a comma joined list.
-        * Multiline is ``False`` for lists.
-        * Obey list syntax for empty and single member lists.
-        
-        If ``list_values=False`` then the value is only quoted if it contains
-        a ``\\n`` (is multiline) or '#'.
-        
-        If ``write_empty_values`` is set, and the value is an empty string, it
-        won't be quoted.
-        """
-        if multiline and self.write_empty_values and value == '':
-            # Only if multiline is set, so that it is used for values not
-            # keys, and not values that are part of a list
-            return ''
-        
-        if multiline and isinstance(value, (list, tuple)):
-            if not value:
-                return ','
-            elif len(value) == 1:
-                return self._quote(value[0], multiline=False) + ','
-            return ', '.join([self._quote(val, multiline=False)
-                for val in value])
-        if not isinstance(value, basestring):
-            if self.stringify:
-                value = str(value)
-            else:
-                raise TypeError('Value "%s" is not a string.' % value)
-
-        if not value:
-            return '""'
-        
-        no_lists_no_quotes = not self.list_values and '\n' not in value and '#' not in value
-        need_triple = multiline and ((("'" in value) and ('"' in value)) or ('\n' in value ))
-        hash_triple_quote = multiline and not need_triple and ("'" in value) and ('"' in value) and ('#' in value)
-        check_for_single = (no_lists_no_quotes or not need_triple) and not hash_triple_quote
-        
-        if check_for_single:
-            if not self.list_values:
-                # we don't quote if ``list_values=False``
-                quot = noquot
-            # for normal values either single or double quotes will do
-            elif '\n' in value:
-                # will only happen if multiline is off - e.g. '\n' in key
-                raise ConfigObjError('Value "%s" cannot be safely quoted.' % value)
-            elif ((value[0] not in wspace_plus) and
-                    (value[-1] not in wspace_plus) and
-                    (',' not in value)):
-                quot = noquot
-            else:
-                quot = self._get_single_quote(value)
-        else:
-            # if value has '\n' or "'" *and* '"', it will need triple quotes
-            quot = self._get_triple_quote(value)
-        
-        if quot == noquot and '#' in value and self.list_values:
-            quot = self._get_single_quote(value)
-                
-        return quot % value
-    
-    
-    def _get_single_quote(self, value):
-        if ("'" in value) and ('"' in value):
-            raise ConfigObjError('Value "%s" cannot be safely quoted.' % value)
-        elif '"' in value:
-            quot = squot
-        else:
-            quot = dquot
-        return quot
-    
-    
-    def _get_triple_quote(self, value):
-        if (value.find('"""') != -1) and (value.find("'''") != -1):
-            raise ConfigObjError('Value "%s" cannot be safely quoted.' % value)
-        if value.find('"""') == -1:
-            quot = tdquot
-        else:
-            quot = tsquot 
-        return quot
-
-
-    def _handle_value(self, value):
-        """
-        Given a value string, unquote, remove comment,
-        handle lists. (including empty and single member lists)
-        """
-        if self._inspec:
-            # Parsing a configspec so don't handle comments
-            return (value, '')
-        # do we look for lists in values ?
-        if not self.list_values:
-            mat = self._nolistvalue.match(value)
-            if mat is None:
-                raise SyntaxError()
-            # NOTE: we don't unquote here
-            return mat.groups()
-        #
-        mat = self._valueexp.match(value)
-        if mat is None:
-            # the value is badly constructed, probably badly quoted,
-            # or an invalid list
-            raise SyntaxError()
-        (list_values, single, empty_list, comment) = mat.groups()
-        if (list_values == '') and (single is None):
-            # change this if you want to accept empty values
-            raise SyntaxError()
-        # NOTE: note there is no error handling from here if the regex
-        # is wrong: then incorrect values will slip through
-        if empty_list is not None:
-            # the single comma - meaning an empty list
-            return ([], comment)
-        if single is not None:
-            # handle empty values
-            if list_values and not single:
-                # FIXME: the '' is a workaround because our regex now matches
-                #   '' at the end of a list if it has a trailing comma
-                single = None
-            else:
-                single = single or '""'
-                single = self._unquote(single)
-        if list_values == '':
-            # not a list value
-            return (single, comment)
-        the_list = self._listvalueexp.findall(list_values)
-        the_list = [self._unquote(val) for val in the_list]
-        if single is not None:
-            the_list += [single]
-        return (the_list, comment)
-
-
-    def _multiline(self, value, infile, cur_index, maxline):
-        """Extract the value, where we are in a multiline situation."""
-        quot = value[:3]
-        newvalue = value[3:]
-        single_line = self._triple_quote[quot][0]
-        multi_line = self._triple_quote[quot][1]
-        mat = single_line.match(value)
-        if mat is not None:
-            retval = list(mat.groups())
-            retval.append(cur_index)
-            return retval
-        elif newvalue.find(quot) != -1:
-            # somehow the triple quote is missing
-            raise SyntaxError()
-        #
-        while cur_index < maxline:
-            cur_index += 1
-            newvalue += '\n'
-            line = infile[cur_index]
-            if line.find(quot) == -1:
-                newvalue += line
-            else:
-                # end of multiline, process it
-                break
-        else:
-            # we've got to the end of the config, oops...
-            raise SyntaxError()
-        mat = multi_line.match(line)
-        if mat is None:
-            # a badly formed line
-            raise SyntaxError()
-        (value, comment) = mat.groups()
-        return (newvalue + value, comment, cur_index)
-
-
-    def _handle_configspec(self, configspec):
-        """Parse the configspec."""
-        # FIXME: Should we check that the configspec was created with the 
-        #        correct settings ? (i.e. ``list_values=False``)
-        if not isinstance(configspec, ConfigObj):
-            try:
-                configspec = ConfigObj(configspec,
-                                       raise_errors=True,
-                                       file_error=True,
-                                       _inspec=True)
-            except ConfigObjError, e:
-                # FIXME: Should these errors have a reference
-                #        to the already parsed ConfigObj ?
-                raise ConfigspecError('Parsing configspec failed: %s' % e)
-            except IOError, e:
-                raise IOError('Reading configspec failed: %s' % e)
-        
-        self.configspec = configspec
-            
-
-        
-    def _set_configspec(self, section, copy):
-        """
-        Called by validate. Handles setting the configspec on subsections
-        including sections to be validated by __many__
-        """
-        configspec = section.configspec
-        many = configspec.get('__many__')
-        if isinstance(many, dict):
-            for entry in section.sections:
-                if entry not in configspec:
-                    section[entry].configspec = many
-                    
-        for entry in configspec.sections:
-            if entry == '__many__':
-                continue
-            if entry not in section:
-                section[entry] = {}
-                section[entry]._created = True
-                if copy:
-                    # copy comments
-                    section.comments[entry] = configspec.comments.get(entry, [])
-                    section.inline_comments[entry] = configspec.inline_comments.get(entry, '')
-                
-            # Could be a scalar when we expect a section
-            if isinstance(section[entry], Section):
-                section[entry].configspec = configspec[entry]
-                        
-
-    def _write_line(self, indent_string, entry, this_entry, comment):
-        """Write an individual line, for the write method"""
-        # NOTE: the calls to self._quote here handles non-StringType values.
-        if not self.unrepr:
-            val = self._decode_element(self._quote(this_entry))
-        else:
-            val = repr(this_entry)
-        return '%s%s%s%s%s' % (indent_string,
-                               self._decode_element(self._quote(entry, multiline=False)),
-                               self._a_to_u(' = '),
-                               val,
-                               self._decode_element(comment))
-
-
-    def _write_marker(self, indent_string, depth, entry, comment):
-        """Write a section marker line"""
-        return '%s%s%s%s%s' % (indent_string,
-                               self._a_to_u('[' * depth),
-                               self._quote(self._decode_element(entry), multiline=False),
-                               self._a_to_u(']' * depth),
-                               self._decode_element(comment))
-
-
-    def _handle_comment(self, comment):
-        """Deal with a comment."""
-        if not comment:
-            return ''
-        start = self.indent_type
-        if not comment.startswith('#'):
-            start += self._a_to_u(' # ')
-        return (start + comment)
-
-
-    # Public methods
-
-    def write(self, outfile=None, section=None):
-        """
-        Write the current ConfigObj as a file
-        
-        tekNico: FIXME: use StringIO instead of real files
-        
-        >>> filename = a.filename
-        >>> a.filename = 'test.ini'
-        >>> a.write()
-        >>> a.filename = filename
-        >>> a == ConfigObj('test.ini', raise_errors=True)
-        1
-        >>> import os
-        >>> os.remove('test.ini')
-        """
-        if self.indent_type is None:
-            # this can be true if initialised from a dictionary
-            self.indent_type = DEFAULT_INDENT_TYPE
-            
-        out = []
-        cs = self._a_to_u('#')
-        csp = self._a_to_u('# ')
-        if section is None:
-            int_val = self.interpolation
-            self.interpolation = False
-            section = self
-            for line in self.initial_comment:
-                line = self._decode_element(line)
-                stripped_line = line.strip()
-                if stripped_line and not stripped_line.startswith(cs):
-                    line = csp + line
-                out.append(line)
-                
-        indent_string = self.indent_type * section.depth
-        for entry in (section.scalars + section.sections):
-            if entry in section.defaults:
-                # don't write out default values
-                continue
-            for comment_line in section.comments[entry]:
-                comment_line = self._decode_element(comment_line.lstrip())
-                if comment_line and not comment_line.startswith(cs):
-                    comment_line = csp + comment_line
-                out.append(indent_string + comment_line)
-            this_entry = section[entry]
-            comment = self._handle_comment(section.inline_comments[entry])
-            
-            if isinstance(this_entry, dict):
-                # a section
-                out.append(self._write_marker(
-                    indent_string,
-                    this_entry.depth,
-                    entry,
-                    comment))
-                out.extend(self.write(section=this_entry))
-            else:
-                out.append(self._write_line(
-                    indent_string,
-                    entry,
-                    this_entry,
-                    comment))
-                
-        if section is self:
-            for line in self.final_comment:
-                line = self._decode_element(line)
-                stripped_line = line.strip()
-                if stripped_line and not stripped_line.startswith(cs):
-                    line = csp + line
-                out.append(line)
-            self.interpolation = int_val
-            
-        if section is not self:
-            return out
-        
-        if (self.filename is None) and (outfile is None):
-            # output a list of lines
-            # might need to encode
-            # NOTE: This will *screw* UTF16, each line will start with the BOM
-            if self.encoding:
-                out = [l.encode(self.encoding) for l in out]
-            if (self.BOM and ((self.encoding is None) or
-                (BOM_LIST.get(self.encoding.lower()) == 'utf_8'))):
-                # Add the UTF8 BOM
-                if not out:
-                    out.append('')
-                out[0] = BOM_UTF8 + out[0]
-            return out
-        
-        # Turn the list to a string, joined with correct newlines
-        newline = self.newlines or os.linesep
-        if (getattr(outfile, 'mode', None) is not None and outfile.mode == 'w'
-            and sys.platform == 'win32' and newline == '\r\n'):
-            # Windows specific hack to avoid writing '\r\r\n'
-            newline = '\n'
-        output = self._a_to_u(newline).join(out)
-        if self.encoding:
-            output = output.encode(self.encoding)
-        if self.BOM and ((self.encoding is None) or match_utf8(self.encoding)):
-            # Add the UTF8 BOM
-            output = BOM_UTF8 + output
-            
-        if not output.endswith(newline):
-            output += newline
-        if outfile is not None:
-            outfile.write(output)
-        else:
-            h = open(self.filename, 'wb')
-            h.write(output)
-            h.close()
-
-
-    def validate(self, validator, preserve_errors=False, copy=False,
-                 section=None):
-        """
-        Test the ConfigObj against a configspec.
-        
-        It uses the ``validator`` object from *validate.py*.
-        
-        To run ``validate`` on the current ConfigObj, call: ::
-        
-            test = config.validate(validator)
-        
-        (Normally having previously passed in the configspec when the ConfigObj
-        was created - you can dynamically assign a dictionary of checks to the
-        ``configspec`` attribute of a section though).
-        
-        It returns ``True`` if everything passes, or a dictionary of
-        pass/fails (True/False). If every member of a subsection passes, it
-        will just have the value ``True``. (It also returns ``False`` if all
-        members fail).
-        
-        In addition, it converts the values from strings to their native
-        types if their checks pass (and ``stringify`` is set).
-        
-        If ``preserve_errors`` is ``True`` (``False`` is default) then instead
-        of a marking a fail with a ``False``, it will preserve the actual
-        exception object. This can contain info about the reason for failure.
-        For example the ``VdtValueTooSmallError`` indicates that the value
-        supplied was too small. If a value (or section) is missing it will
-        still be marked as ``False``.
-        
-        You must have the validate module to use ``preserve_errors=True``.
-        
-        You can then use the ``flatten_errors`` function to turn your nested
-        results dictionary into a flattened list of failures - useful for
-        displaying meaningful error messages.
-        """
-        if section is None:
-            if self.configspec is None:
-                raise ValueError('No configspec supplied.')
-            if preserve_errors:
-                # We do this once to remove a top level dependency on the validate module
-                # Which makes importing configobj faster
-                from validate import VdtMissingValue
-                self._vdtMissingValue = VdtMissingValue
-                
-            section = self
-
-            if copy:
-                section.initial_comment = section.configspec.initial_comment
-                section.final_comment = section.configspec.final_comment
-                section.encoding = section.configspec.encoding
-                section.BOM = section.configspec.BOM
-                section.newlines = section.configspec.newlines
-                section.indent_type = section.configspec.indent_type
-            
-        #
-        # section.default_values.clear() #??
-        configspec = section.configspec
-        self._set_configspec(section, copy)
-
-        
-        def validate_entry(entry, spec, val, missing, ret_true, ret_false):
-            section.default_values.pop(entry, None)
-                
-            try:
-                section.default_values[entry] = validator.get_default_value(configspec[entry])
-            except (KeyError, AttributeError, validator.baseErrorClass):
-                # No default, bad default or validator has no 'get_default_value'
-                # (e.g. SimpleVal)
-                pass
-            
-            try:
-                check = validator.check(spec,
-                                        val,
-                                        missing=missing
-                                        )
-            except validator.baseErrorClass, e:
-                if not preserve_errors or isinstance(e, self._vdtMissingValue):
-                    out[entry] = False
-                else:
-                    # preserve the error
-                    out[entry] = e
-                    ret_false = False
-                ret_true = False
-            else:
-                ret_false = False
-                out[entry] = True
-                if self.stringify or missing:
-                    # if we are doing type conversion
-                    # or the value is a supplied default
-                    if not self.stringify:
-                        if isinstance(check, (list, tuple)):
-                            # preserve lists
-                            check = [self._str(item) for item in check]
-                        elif missing and check is None:
-                            # convert the None from a default to a ''
-                            check = ''
-                        else:
-                            check = self._str(check)
-                    if (check != val) or missing:
-                        section[entry] = check
-                if not copy and missing and entry not in section.defaults:
-                    section.defaults.append(entry)
-            return ret_true, ret_false
-        
-        #
-        out = {}
-        ret_true = True
-        ret_false = True
-        
-        unvalidated = [k for k in section.scalars if k not in configspec]
-        incorrect_sections = [k for k in configspec.sections if k in section.scalars]        
-        incorrect_scalars = [k for k in configspec.scalars if k in section.sections]
-        
-        for entry in configspec.scalars:
-            if entry in ('__many__', '___many___'):
-                # reserved names
-                continue
-            if (not entry in section.scalars) or (entry in section.defaults):
-                # missing entries
-                # or entries from defaults
-                missing = True
-                val = None
-                if copy and entry not in section.scalars:
-                    # copy comments
-                    section.comments[entry] = (
-                        configspec.comments.get(entry, []))
-                    section.inline_comments[entry] = (
-                        configspec.inline_comments.get(entry, ''))
-                #
-            else:
-                missing = False
-                val = section[entry]
-            
-            ret_true, ret_false = validate_entry(entry, configspec[entry], val, 
-                                                 missing, ret_true, ret_false)
-        
-        many = None
-        if '__many__' in configspec.scalars:
-            many = configspec['__many__']
-        elif '___many___' in configspec.scalars:
-            many = configspec['___many___']
-        
-        if many is not None:
-            for entry in unvalidated:
-                val = section[entry]
-                ret_true, ret_false = validate_entry(entry, many, val, False,
-                                                     ret_true, ret_false)
-            unvalidated = []
-
-        for entry in incorrect_scalars:
-            ret_true = False
-            if not preserve_errors:
-                out[entry] = False
-            else:
-                ret_false = False
-                msg = 'Value %r was provided as a section' % entry
-                out[entry] = validator.baseErrorClass(msg)
-        for entry in incorrect_sections:
-            ret_true = False
-            if not preserve_errors:
-                out[entry] = False
-            else:
-                ret_false = False
-                msg = 'Section %r was provided as a single value' % entry
-                out[entry] = validator.baseErrorClass(msg)
-                
-        # Missing sections will have been created as empty ones when the
-        # configspec was read.
-        for entry in section.sections:
-            # FIXME: this means DEFAULT is not copied in copy mode
-            if section is self and entry == 'DEFAULT':
-                continue
-            if section[entry].configspec is None:
-                unvalidated.append(entry)
-                continue
-            if copy:
-                section.comments[entry] = configspec.comments.get(entry, [])
-                section.inline_comments[entry] = configspec.inline_comments.get(entry, '')
-            check = self.validate(validator, preserve_errors=preserve_errors, copy=copy, section=section[entry])
-            out[entry] = check
-            if check == False:
-                ret_true = False
-            elif check == True:
-                ret_false = False
-            else:
-                ret_true = False
-        
-        section.extra_values = unvalidated
-        if preserve_errors and not section._created:
-            # If the section wasn't created (i.e. it wasn't missing)
-            # then we can't return False, we need to preserve errors
-            ret_false = False
-        #
-        if ret_false and preserve_errors and out:
-            # If we are preserving errors, but all
-            # the failures are from missing sections / values
-            # then we can return False. Otherwise there is a
-            # real failure that we need to preserve.
-            ret_false = not any(out.values())
-        if ret_true:
-            return True
-        elif ret_false:
-            return False
-        return out
-
-
-    def reset(self):
-        """Clear ConfigObj instance and restore to 'freshly created' state."""
-        self.clear()
-        self._initialise()
-        # FIXME: Should be done by '_initialise', but ConfigObj constructor (and reload)
-        #        requires an empty dictionary
-        self.configspec = None
-        # Just to be sure ;-)
-        self._original_configspec = None
-        
-        
-    def reload(self):
-        """
-        Reload a ConfigObj from file.
-        
-        This method raises a ``ReloadError`` if the ConfigObj doesn't have
-        a filename attribute pointing to a file.
-        """
-        if not isinstance(self.filename, basestring):
-            raise ReloadError()
-
-        filename = self.filename
-        current_options = {}
-        for entry in OPTION_DEFAULTS:
-            if entry == 'configspec':
-                continue
-            current_options[entry] = getattr(self, entry)
-            
-        configspec = self._original_configspec
-        current_options['configspec'] = configspec
-            
-        self.clear()
-        self._initialise(current_options)
-        self._load(filename, configspec)
-        
-
-
-class SimpleVal(object):
-    """
-    A simple validator.
-    Can be used to check that all members expected are present.
-    
-    To use it, provide a configspec with all your members in (the value given
-    will be ignored). Pass an instance of ``SimpleVal`` to the ``validate``
-    method of your ``ConfigObj``. ``validate`` will return ``True`` if all
-    members are present, or a dictionary with True/False meaning
-    present/missing. (Whole missing sections will be replaced with ``False``)
-    """
-    
-    def __init__(self):
-        self.baseErrorClass = ConfigObjError
-    
-    def check(self, check, member, missing=False):
-        """A dummy check method, always returns the value unchanged."""
-        if missing:
-            raise self.baseErrorClass()
-        return member
-
-
-def flatten_errors(cfg, res, levels=None, results=None):
-    """
-    An example function that will turn a nested dictionary of results
-    (as returned by ``ConfigObj.validate``) into a flat list.
-    
-    ``cfg`` is the ConfigObj instance being checked, ``res`` is the results
-    dictionary returned by ``validate``.
-    
-    (This is a recursive function, so you shouldn't use the ``levels`` or
-    ``results`` arguments - they are used by the function.)
-    
-    Returns a list of keys that failed. Each member of the list is a tuple::
-    
-        ([list of sections...], key, result)
-    
-    If ``validate`` was called with ``preserve_errors=False`` (the default)
-    then ``result`` will always be ``False``.
-
-    *list of sections* is a flattened list of sections that the key was found
-    in.
-    
-    If the section was missing (or a section was expected and a scalar provided
-    - or vice-versa) then key will be ``None``.
-    
-    If the value (or section) was missing then ``result`` will be ``False``.
-    
-    If ``validate`` was called with ``preserve_errors=True`` and a value
-    was present, but failed the check, then ``result`` will be the exception
-    object returned. You can use this as a string that describes the failure.
-    
-    For example *The value "3" is of the wrong type*.
-    """
-    if levels is None:
-        # first time called
-        levels = []
-        results = []
-    if res == True:
-        return results
-    if res == False or isinstance(res, Exception):
-        results.append((levels[:], None, res))
-        if levels:
-            levels.pop()
-        return results
-    for (key, val) in res.items():
-        if val == True:
-            continue
-        if isinstance(cfg.get(key), dict):
-            # Go down one level
-            levels.append(key)
-            flatten_errors(cfg[key], val, levels, results)
-            continue
-        results.append((levels[:], key, val))
-    #
-    # Go up one level
-    if levels:
-        levels.pop()
-    #
-    return results
-
-
-def get_extra_values(conf, _prepend=()):
-    """
-    Find all the values and sections not in the configspec from a validated
-    ConfigObj.
-    
-    ``get_extra_values`` returns a list of tuples where each tuple represents
-    either an extra section, or an extra value.
-    
-    The tuples contain two values, a tuple representing the section the value 
-    is in and the name of the extra values. For extra values in the top level
-    section the first member will be an empty tuple. For values in the 'foo'
-    section the first member will be ``('foo',)``. For members in the 'bar'
-    subsection of the 'foo' section the first member will be ``('foo', 'bar')``.
-    
-    NOTE: If you call ``get_extra_values`` on a ConfigObj instance that hasn't
-    been validated it will return an empty list.
-    """
-    out = []
-    
-    out.extend([(_prepend, name) for name in conf.extra_values])
-    for name in conf.sections:
-        if name not in conf.extra_values:
-            out.extend(get_extra_values(conf[name], _prepend + (name,)))
-    return out
-
-
-"""*A programming language is a medium of expression.* - Paul Graham"""
diff --git a/python/cdec/sa/__init__.py b/python/cdec/sa/__init__.py
deleted file mode 100644
index 8645e837..00000000
--- a/python/cdec/sa/__init__.py
+++ /dev/null
@@ -1,4 +0,0 @@
-from _sa import sym_fromstring,\
-        SuffixArray, DataArray, LCP, Precomputation, Alignment, BiLex,\
-        HieroCachingRuleFactory, Sampler
-from extractor import GrammarExtractor
diff --git a/python/cdec/sa/compile.py b/python/cdec/sa/compile.py
deleted file mode 100644
index 30e605a6..00000000
--- a/python/cdec/sa/compile.py
+++ /dev/null
@@ -1,94 +0,0 @@
-#!/usr/bin/env python
-import argparse
-import os
-import logging
-import cdec.configobj
-import cdec.sa
-
-MAX_PHRASE_LENGTH = 4
-def precompute(f_sa, max_len, max_nt, max_size, min_gap, rank1, rank2):
-    lcp = cdec.sa.LCP(f_sa)
-    stats = sorted(lcp.compute_stats(MAX_PHRASE_LENGTH), reverse=True)
-    precomp = cdec.sa.Precomputation(from_stats=stats,
-            fsarray=f_sa,
-            precompute_rank=rank1,
-            precompute_secondary_rank=rank2,
-            max_length=max_len,
-            max_nonterminals=max_nt,
-            train_max_initial_size=max_size,
-            train_min_gap_size=min_gap)
-    return precomp
-
-def main():
-    logging.basicConfig(level=logging.INFO)
-    logger = logging.getLogger('cdec.sa.compile')
-    parser = argparse.ArgumentParser(description='Compile a corpus into a suffix array.')
-    parser.add_argument('--maxnt', '-n', type=int, default=2,
-                        help='Maximum number of non-terminal symbols')
-    parser.add_argument('--maxlen', '-l', type=int, default=5,
-                        help='Maximum number of terminals')
-    parser.add_argument('--maxsize', '-s', type=int, default=15,
-                        help='Maximum rule span')
-    parser.add_argument('--mingap', '-g', type=int, default=1,
-                        help='Minimum gap size')
-    parser.add_argument('--rank1', '-r1', type=int, default=100,
-                        help='Number of pre-computed frequent patterns')
-    parser.add_argument('--rank2', '-r2', type=int, default=10,
-                        help='Number of pre-computed super-frequent patterns)')
-    parser.add_argument('-c', '--config', default='/dev/stdout',
-                        help='Output configuration')
-    parser.add_argument('-o', '--output', required=True,
-                        help='Output path')
-    parser.add_argument('-f', '--source', required=True,
-                        help='Source language corpus')
-    parser.add_argument('-e', '--target', required=True,
-                        help='Target language corpus')
-    parser.add_argument('-a', '--alignment', required=True,
-                        help='Bitext word alignment')
-    args = parser.parse_args()
-
-    param_names = ("max_len", "max_nt", "max_size", "min_gap", "rank1", "rank2")
-    params = (args.maxlen, args.maxnt, args.maxsize, args.mingap, args.rank1, args.rank2)
-
-    if not os.path.exists(args.output):
-        os.mkdir(args.output)
-
-    f_sa_bin = os.path.join(args.output, 'f.sa.bin')
-    e_bin = os.path.join(args.output, 'e.bin')
-    precomp_file = 'precomp.{0}.{1}.{2}.{3}.{4}.{5}.bin'.format(*params)
-    precomp_bin = os.path.join(args.output, precomp_file)
-    a_bin = os.path.join(args.output, 'a.bin')
-    lex_bin = os.path.join(args.output, 'lex.bin')
-
-    logger.info('Compiling source suffix array')
-    f_sa = cdec.sa.SuffixArray(from_text=args.source)
-    f_sa.write_binary(f_sa_bin)
-
-    logger.info('Compiling target data array')
-    e = cdec.sa.DataArray(from_text=args.target)
-    e.write_binary(e_bin)
-
-    logger.info('Precomputing frequent phrases')
-    precompute(f_sa, *params).write_binary(precomp_bin)
-
-    logger.info('Compiling alignment')
-    a = cdec.sa.Alignment(from_text=args.alignment)
-    a.write_binary(a_bin)
-
-    logger.info('Compiling bilexical dictionary')
-    lex = cdec.sa.BiLex(from_data=True, alignment=a, earray=e, fsarray=f_sa)
-    lex.write_binary(lex_bin)
-    
-    # Write configuration
-    config = cdec.configobj.ConfigObj(args.config, unrepr=True)
-    config['f_sa_file'] = f_sa_bin
-    config['e_file'] = e_bin
-    config['a_file'] = a_bin
-    config['lex_file'] = lex_bin
-    config['precompute_file'] = precomp_bin
-    for name, value in zip(param_names, params):
-        config[name] = value
-    config.write()
-
-if __name__ == '__main__':
-    main()
diff --git a/python/cdec/sa/extract.py b/python/cdec/sa/extract.py
deleted file mode 100644
index 918aa3bb..00000000
--- a/python/cdec/sa/extract.py
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/usr/bin/env python
-import sys
-import os
-import argparse
-import logging
-import cdec.sa
-
-def main():
-    logging.basicConfig(level=logging.INFO)
-    parser = argparse.ArgumentParser(description='Extract grammars from a compiled corpus.')
-    parser.add_argument('-c', '--config', required=True,
-                        help='Extractor configuration')
-    parser.add_argument('-g', '--grammars', required=True,
-                        help='Grammar output path')
-    args = parser.parse_args()
-
-    if not os.path.exists(args.grammars):
-        os.mkdir(args.grammars)
-
-    extractor = cdec.sa.GrammarExtractor(args.config)
-    for i, sentence in enumerate(sys.stdin):
-        sentence = sentence[:-1]
-        grammar_file = os.path.join(args.grammars, 'grammar.{0}'.format(i))
-        with open(grammar_file, 'w') as output:
-            for rule in extractor.grammar(sentence):
-                output.write(str(rule)+'\n')
-        grammar_file = os.path.abspath(grammar_file)
-        print('<seg grammar="{0}">{1}</seg>'.format(grammar_file, sentence))
-
-if __name__ == '__main__':
-    main()
diff --git a/python/cdec/sa/extractor.py b/python/cdec/sa/extractor.py
deleted file mode 100644
index bb912e16..00000000
--- a/python/cdec/sa/extractor.py
+++ /dev/null
@@ -1,78 +0,0 @@
-from itertools import chain
-import os
-import cdec.configobj
-from cdec.sa.features import EgivenFCoherent, SampleCountF, CountEF,\
-        MaxLexEgivenF, MaxLexFgivenE, IsSingletonF, IsSingletonFE
-import cdec.sa
-
-# maximum span of a grammar rule in TEST DATA
-MAX_INITIAL_SIZE = 15
-
-class GrammarExtractor:
-    def __init__(self, config):
-        if isinstance(config, str) or isinstance(config, unicode):
-            if not os.path.exists(config):
-                raise IOError('cannot read configuration from {0}'.format(config))
-            config = cdec.configobj.ConfigObj(config, unrepr=True)
-        alignment = cdec.sa.Alignment(from_binary=config['a_file'])
-        self.factory = cdec.sa.HieroCachingRuleFactory(
-                # compiled alignment object (REQUIRED)
-                alignment,
-                # name of generic nonterminal used by Hiero
-                category="[X]",
-                # maximum number of contiguous chunks of terminal symbols in RHS of a rule
-                max_chunks=config['max_nt']+1,
-                # maximum span of a grammar rule in TEST DATA
-                max_initial_size=MAX_INITIAL_SIZE,
-                # maximum number of symbols (both T and NT) allowed in a rule
-                max_length=config['max_len'],
-                # maximum number of nonterminals allowed in a rule (set >2 at your own risk)
-                max_nonterminals=config['max_nt'],
-                # maximum number of contiguous chunks of terminal symbols
-                # in target-side RHS of a rule.
-                max_target_chunks=config['max_nt']+1,
-                # maximum number of target side symbols (both T and NT) allowed in a rule.
-                max_target_length=MAX_INITIAL_SIZE,
-                # minimum span of a nonterminal in the RHS of a rule in TEST DATA
-                min_gap_size=1,
-                # filename of file containing precomputed collocations
-                precompute_file=config['precompute_file'],
-                # maximum frequency rank of patterns used to compute triples (< 20)
-                precompute_secondary_rank=config['rank2'],
-                # maximum frequency rank of patterns used to compute collocations (< 300)
-                precompute_rank=config['rank1'],
-                # require extracted rules to have at least one aligned word
-                require_aligned_terminal=True,
-                # require each contiguous chunk of extracted rules
-                # to have at least one aligned word
-                require_aligned_chunks=False,
-                # maximum span of a grammar rule extracted from TRAINING DATA
-                train_max_initial_size=config['max_size'],
-                # minimum span of an RHS nonterminal in a rule extracted from TRAINING DATA
-                train_min_gap_size=config['min_gap'],
-                # True if phrases should be tight, False otherwise (better but slower)
-                tight_phrases=True,
-                )
-
-        # lexical weighting tables
-        tt = cdec.sa.BiLex(from_binary=config['lex_file'])
-
-        self.models = (EgivenFCoherent, SampleCountF, CountEF, 
-                MaxLexFgivenE(tt), MaxLexEgivenF(tt), IsSingletonF, IsSingletonFE)
-
-        fsarray = cdec.sa.SuffixArray(from_binary=config['f_sa_file'])
-        edarray = cdec.sa.DataArray(from_binary=config['e_file'])
-
-        # lower=faster, higher=better; improvements level off above 200-300 range,
-        # -1 = don't sample, use all data (VERY SLOW!)
-        sampler = cdec.sa.Sampler(300, fsarray)
-
-        self.factory.configure(fsarray, edarray, sampler)
-
-    def grammar(self, sentence):
-        if isinstance(sentence, unicode):
-            sentence = sentence.encode('utf8')
-        cnet = chain(('<s>',), sentence.split(), ('</s>',))
-        cnet = (cdec.sa.sym_fromstring(word, terminal=True) for word in cnet)
-        cnet = tuple(((word, None, 1), ) for word in cnet)
-        return self.factory.input(cnet, self.models)
diff --git a/python/cdec/sa/features.py b/python/cdec/sa/features.py
deleted file mode 100644
index 325b9e13..00000000
--- a/python/cdec/sa/features.py
+++ /dev/null
@@ -1,57 +0,0 @@
-from __future__ import division
-import math
-
-MAXSCORE = 99
-
-def EgivenF(fphrase, ephrase, paircount, fcount, fsample_count): # p(e|f)
-    return -math.log10(paircount/fcount)
-
-def CountEF(fphrase, ephrase, paircount, fcount, fsample_count):
-    return math.log10(1 + paircount)
-
-def SampleCountF(fphrase, ephrase, paircount, fcount, fsample_count):
-    return math.log10(1 + fsample_count)
-
-def EgivenFCoherent(fphrase, ephrase, paircount, fcount, fsample_count):
-    prob = paircount/fsample_count
-    return -math.log10(prob) if prob > 0 else MAXSCORE
-
-def CoherenceProb(fphrase, ephrase, paircount, fcount, fsample_count):
-    return -math.log10(fcount/fsample_count)
-
-def MaxLexEgivenF(ttable):
-    def feature(fphrase, ephrase, paircount, fcount, fsample_count):
-        fwords = fphrase.words
-        fwords.append('NULL')
-        def score():
-            for e in ephrase.words:
-              maxScore = max(ttable.get_score(f, e, 0) for f in fwords)
-              yield -math.log10(maxScore) if maxScore > 0 else MAXSCORE
-        return sum(score())
-    return feature
-
-def MaxLexFgivenE(ttable):
-    def feature(fphrase, ephrase, paircount, fcount, fsample_count):
-        ewords = ephrase.words
-        ewords.append('NULL')
-        def score():
-            for f in fphrase.words:
-              maxScore = max(ttable.get_score(f, e, 1) for e in ewords)
-              yield -math.log10(maxScore) if maxScore > 0 else MAXSCORE
-        return sum(score())
-    return feature
-
-def IsSingletonF(fphrase, ephrase, paircount, fcount, fsample_count):
-    return (fcount == 1)
-
-def IsSingletonFE(fphrase, ephrase, paircount, fcount, fsample_count):
-    return (paircount == 1)
-
-def IsNotSingletonF(fphrase, ephrase, paircount, fcount, fsample_count):
-    return (fcount > 1)
-
-def IsNotSingletonFE(fphrase, ephrase, paircount, fcount, fsample_count):
-    return (paircount > 1)
-
-def IsFEGreaterThanZero(fphrase, ephrase, paircount, fcount, fsample_count):
-    return (paircount > 0.01)
diff --git a/python/cdec/score.py b/python/cdec/score.py
deleted file mode 100644
index 22257774..00000000
--- a/python/cdec/score.py
+++ /dev/null
@@ -1 +0,0 @@
-from _cdec import BLEU, TER, CER, Metric
diff --git a/python/pkg/cdec/__init__.py b/python/pkg/cdec/__init__.py
new file mode 100644
index 00000000..503ac787
--- /dev/null
+++ b/python/pkg/cdec/__init__.py
@@ -0,0 +1 @@
+from cdec._cdec import Decoder, Lattice, TRule, NT, NTRef, ParseFailed, InvalidConfig
diff --git a/python/pkg/cdec/configobj.py b/python/pkg/cdec/configobj.py
new file mode 100644
index 00000000..c1f6e6df
--- /dev/null
+++ b/python/pkg/cdec/configobj.py
@@ -0,0 +1,2468 @@
+# configobj.py
+# A config file reader/writer that supports nested sections in config files.
+# Copyright (C) 2005-2010 Michael Foord, Nicola Larosa
+# E-mail: fuzzyman AT voidspace DOT org DOT uk
+#         nico AT tekNico DOT net
+
+# ConfigObj 4
+# http://www.voidspace.org.uk/python/configobj.html
+
+# Released subject to the BSD License
+# Please see http://www.voidspace.org.uk/python/license.shtml
+
+# Scripts maintained at http://www.voidspace.org.uk/python/index.shtml
+# For information about bugfixes, updates and support, please join the
+# ConfigObj mailing list:
+# http://lists.sourceforge.net/lists/listinfo/configobj-develop
+# Comments, suggestions and bug reports welcome.
+
+from __future__ import generators
+
+import os
+import re
+import sys
+
+from codecs import BOM_UTF8, BOM_UTF16, BOM_UTF16_BE, BOM_UTF16_LE
+
+
+# imported lazily to avoid startup performance hit if it isn't used
+compiler = None
+
+# A dictionary mapping BOM to
+# the encoding to decode with, and what to set the
+# encoding attribute to.
+BOMS = {
+    BOM_UTF8: ('utf_8', None),
+    BOM_UTF16_BE: ('utf16_be', 'utf_16'),
+    BOM_UTF16_LE: ('utf16_le', 'utf_16'),
+    BOM_UTF16: ('utf_16', 'utf_16'),
+    }
+# All legal variants of the BOM codecs.
+# TODO: the list of aliases is not meant to be exhaustive, is there a
+#   better way ?
+BOM_LIST = {
+    'utf_16': 'utf_16',
+    'u16': 'utf_16',
+    'utf16': 'utf_16',
+    'utf-16': 'utf_16',
+    'utf16_be': 'utf16_be',
+    'utf_16_be': 'utf16_be',
+    'utf-16be': 'utf16_be',
+    'utf16_le': 'utf16_le',
+    'utf_16_le': 'utf16_le',
+    'utf-16le': 'utf16_le',
+    'utf_8': 'utf_8',
+    'u8': 'utf_8',
+    'utf': 'utf_8',
+    'utf8': 'utf_8',
+    'utf-8': 'utf_8',
+    }
+
+# Map of encodings to the BOM to write.
+BOM_SET = {
+    'utf_8': BOM_UTF8,
+    'utf_16': BOM_UTF16,
+    'utf16_be': BOM_UTF16_BE,
+    'utf16_le': BOM_UTF16_LE,
+    None: BOM_UTF8
+    }
+
+
+def match_utf8(encoding):
+    return BOM_LIST.get(encoding.lower()) == 'utf_8'
+
+
+# Quote strings used for writing values
+squot = "'%s'"
+dquot = '"%s"'
+noquot = "%s"
+wspace_plus = ' \r\n\v\t\'"'
+tsquot = '"""%s"""'
+tdquot = "'''%s'''"
+
+# Sentinel for use in getattr calls to replace hasattr
+MISSING = object()
+
+__version__ = '4.7.2'
+
+try:
+    any
+except NameError:
+    def any(iterable):
+        for entry in iterable:
+            if entry:
+                return True
+        return False
+
+
+__all__ = (
+    '__version__',
+    'DEFAULT_INDENT_TYPE',
+    'DEFAULT_INTERPOLATION',
+    'ConfigObjError',
+    'NestingError',
+    'ParseError',
+    'DuplicateError',
+    'ConfigspecError',
+    'ConfigObj',
+    'SimpleVal',
+    'InterpolationError',
+    'InterpolationLoopError',
+    'MissingInterpolationOption',
+    'RepeatSectionError',
+    'ReloadError',
+    'UnreprError',
+    'UnknownType',
+    'flatten_errors',
+    'get_extra_values'
+)
+
+DEFAULT_INTERPOLATION = 'configparser'
+DEFAULT_INDENT_TYPE = '    '
+MAX_INTERPOL_DEPTH = 10
+
+OPTION_DEFAULTS = {
+    'interpolation': True,
+    'raise_errors': False,
+    'list_values': True,
+    'create_empty': False,
+    'file_error': False,
+    'configspec': None,
+    'stringify': True,
+    # option may be set to one of ('', ' ', '\t')
+    'indent_type': None,
+    'encoding': None,
+    'default_encoding': None,
+    'unrepr': False,
+    'write_empty_values': False,
+}
+
+
+
+def getObj(s):
+    global compiler
+    if compiler is None:
+        import compiler
+    s = "a=" + s
+    p = compiler.parse(s)
+    return p.getChildren()[1].getChildren()[0].getChildren()[1]
+
+
+class UnknownType(Exception):
+    pass
+
+
+class Builder(object):
+    
+    def build(self, o):
+        m = getattr(self, 'build_' + o.__class__.__name__, None)
+        if m is None:
+            raise UnknownType(o.__class__.__name__)
+        return m(o)
+    
+    def build_List(self, o):
+        return map(self.build, o.getChildren())
+    
+    def build_Const(self, o):
+        return o.value
+    
+    def build_Dict(self, o):
+        d = {}
+        i = iter(map(self.build, o.getChildren()))
+        for el in i:
+            d[el] = i.next()
+        return d
+    
+    def build_Tuple(self, o):
+        return tuple(self.build_List(o))
+    
+    def build_Name(self, o):
+        if o.name == 'None':
+            return None
+        if o.name == 'True':
+            return True
+        if o.name == 'False':
+            return False
+        
+        # An undefined Name
+        raise UnknownType('Undefined Name')
+    
+    def build_Add(self, o):
+        real, imag = map(self.build_Const, o.getChildren())
+        try:
+            real = float(real)
+        except TypeError:
+            raise UnknownType('Add')
+        if not isinstance(imag, complex) or imag.real != 0.0:
+            raise UnknownType('Add')
+        return real+imag
+    
+    def build_Getattr(self, o):
+        parent = self.build(o.expr)
+        return getattr(parent, o.attrname)
+    
+    def build_UnarySub(self, o):
+        return -self.build_Const(o.getChildren()[0])
+    
+    def build_UnaryAdd(self, o):
+        return self.build_Const(o.getChildren()[0])
+
+
+_builder = Builder()
+
+
+def unrepr(s):
+    if not s:
+        return s
+    return _builder.build(getObj(s))
+
+
+
+class ConfigObjError(SyntaxError):
+    """
+    This is the base class for all errors that ConfigObj raises.
+    It is a subclass of SyntaxError.
+    """
+    def __init__(self, message='', line_number=None, line=''):
+        self.line = line
+        self.line_number = line_number
+        SyntaxError.__init__(self, message)
+
+
+class NestingError(ConfigObjError):
+    """
+    This error indicates a level of nesting that doesn't match.
+    """
+
+
+class ParseError(ConfigObjError):
+    """
+    This error indicates that a line is badly written.
+    It is neither a valid ``key = value`` line,
+    nor a valid section marker line.
+    """
+
+
+class ReloadError(IOError):
+    """
+    A 'reload' operation failed.
+    This exception is a subclass of ``IOError``.
+    """
+    def __init__(self):
+        IOError.__init__(self, 'reload failed, filename is not set.')
+
+
+class DuplicateError(ConfigObjError):
+    """
+    The keyword or section specified already exists.
+    """
+
+
+class ConfigspecError(ConfigObjError):
+    """
+    An error occured whilst parsing a configspec.
+    """
+
+
+class InterpolationError(ConfigObjError):
+    """Base class for the two interpolation errors."""
+
+
+class InterpolationLoopError(InterpolationError):
+    """Maximum interpolation depth exceeded in string interpolation."""
+
+    def __init__(self, option):
+        InterpolationError.__init__(
+            self,
+            'interpolation loop detected in value "%s".' % option)
+
+
+class RepeatSectionError(ConfigObjError):
+    """
+    This error indicates additional sections in a section with a
+    ``__many__`` (repeated) section.
+    """
+
+
+class MissingInterpolationOption(InterpolationError):
+    """A value specified for interpolation was missing."""
+    def __init__(self, option):
+        msg = 'missing option "%s" in interpolation.' % option
+        InterpolationError.__init__(self, msg)
+
+
+class UnreprError(ConfigObjError):
+    """An error parsing in unrepr mode."""
+
+
+
+class InterpolationEngine(object):
+    """
+    A helper class to help perform string interpolation.
+
+    This class is an abstract base class; its descendants perform
+    the actual work.
+    """
+
+    # compiled regexp to use in self.interpolate()
+    _KEYCRE = re.compile(r"%\(([^)]*)\)s")
+    _cookie = '%'
+
+    def __init__(self, section):
+        # the Section instance that "owns" this engine
+        self.section = section
+
+
+    def interpolate(self, key, value):
+        # short-cut
+        if not self._cookie in value:
+            return value
+        
+        def recursive_interpolate(key, value, section, backtrail):
+            """The function that does the actual work.
+
+            ``value``: the string we're trying to interpolate.
+            ``section``: the section in which that string was found
+            ``backtrail``: a dict to keep track of where we've been,
+            to detect and prevent infinite recursion loops
+
+            This is similar to a depth-first-search algorithm.
+            """
+            # Have we been here already?
+            if (key, section.name) in backtrail:
+                # Yes - infinite loop detected
+                raise InterpolationLoopError(key)
+            # Place a marker on our backtrail so we won't come back here again
+            backtrail[(key, section.name)] = 1
+
+            # Now start the actual work
+            match = self._KEYCRE.search(value)
+            while match:
+                # The actual parsing of the match is implementation-dependent,
+                # so delegate to our helper function
+                k, v, s = self._parse_match(match)
+                if k is None:
+                    # That's the signal that no further interpolation is needed
+                    replacement = v
+                else:
+                    # Further interpolation may be needed to obtain final value
+                    replacement = recursive_interpolate(k, v, s, backtrail)
+                # Replace the matched string with its final value
+                start, end = match.span()
+                value = ''.join((value[:start], replacement, value[end:]))
+                new_search_start = start + len(replacement)
+                # Pick up the next interpolation key, if any, for next time
+                # through the while loop
+                match = self._KEYCRE.search(value, new_search_start)
+
+            # Now safe to come back here again; remove marker from backtrail
+            del backtrail[(key, section.name)]
+
+            return value
+
+        # Back in interpolate(), all we have to do is kick off the recursive
+        # function with appropriate starting values
+        value = recursive_interpolate(key, value, self.section, {})
+        return value
+
+
+    def _fetch(self, key):
+        """Helper function to fetch values from owning section.
+
+        Returns a 2-tuple: the value, and the section where it was found.
+        """
+        # switch off interpolation before we try and fetch anything !
+        save_interp = self.section.main.interpolation
+        self.section.main.interpolation = False
+
+        # Start at section that "owns" this InterpolationEngine
+        current_section = self.section
+        while True:
+            # try the current section first
+            val = current_section.get(key)
+            if val is not None and not isinstance(val, Section):
+                break
+            # try "DEFAULT" next
+            val = current_section.get('DEFAULT', {}).get(key)
+            if val is not None and not isinstance(val, Section):
+                break
+            # move up to parent and try again
+            # top-level's parent is itself
+            if current_section.parent is current_section:
+                # reached top level, time to give up
+                break
+            current_section = current_section.parent
+
+        # restore interpolation to previous value before returning
+        self.section.main.interpolation = save_interp
+        if val is None:
+            raise MissingInterpolationOption(key)
+        return val, current_section
+
+
+    def _parse_match(self, match):
+        """Implementation-dependent helper function.
+
+        Will be passed a match object corresponding to the interpolation
+        key we just found (e.g., "%(foo)s" or "$foo"). Should look up that
+        key in the appropriate config file section (using the ``_fetch()``
+        helper function) and return a 3-tuple: (key, value, section)
+
+        ``key`` is the name of the key we're looking for
+        ``value`` is the value found for that key
+        ``section`` is a reference to the section where it was found
+
+        ``key`` and ``section`` should be None if no further
+        interpolation should be performed on the resulting value
+        (e.g., if we interpolated "$$" and returned "$").
+        """
+        raise NotImplementedError()
+    
+
+
+class ConfigParserInterpolation(InterpolationEngine):
+    """Behaves like ConfigParser."""
+    _cookie = '%'
+    _KEYCRE = re.compile(r"%\(([^)]*)\)s")
+
+    def _parse_match(self, match):
+        key = match.group(1)
+        value, section = self._fetch(key)
+        return key, value, section
+
+
+
+class TemplateInterpolation(InterpolationEngine):
+    """Behaves like string.Template."""
+    _cookie = '$'
+    _delimiter = '$'
+    _KEYCRE = re.compile(r"""
+        \$(?:
+          (?P<escaped>\$)              |   # Two $ signs
+          (?P<named>[_a-z][_a-z0-9]*)  |   # $name format
+          {(?P<braced>[^}]*)}              # ${name} format
+        )
+        """, re.IGNORECASE | re.VERBOSE)
+
+    def _parse_match(self, match):
+        # Valid name (in or out of braces): fetch value from section
+        key = match.group('named') or match.group('braced')
+        if key is not None:
+            value, section = self._fetch(key)
+            return key, value, section
+        # Escaped delimiter (e.g., $$): return single delimiter
+        if match.group('escaped') is not None:
+            # Return None for key and section to indicate it's time to stop
+            return None, self._delimiter, None
+        # Anything else: ignore completely, just return it unchanged
+        return None, match.group(), None
+
+
+interpolation_engines = {
+    'configparser': ConfigParserInterpolation,
+    'template': TemplateInterpolation,
+}
+
+
+def __newobj__(cls, *args):
+    # Hack for pickle
+    return cls.__new__(cls, *args) 
+
+class Section(dict):
+    """
+    A dictionary-like object that represents a section in a config file.
+    
+    It does string interpolation if the 'interpolation' attribute
+    of the 'main' object is set to True.
+    
+    Interpolation is tried first from this object, then from the 'DEFAULT'
+    section of this object, next from the parent and its 'DEFAULT' section,
+    and so on until the main object is reached.
+    
+    A Section will behave like an ordered dictionary - following the
+    order of the ``scalars`` and ``sections`` attributes.
+    You can use this to change the order of members.
+    
+    Iteration follows the order: scalars, then sections.
+    """
+
+    
+    def __setstate__(self, state):
+        dict.update(self, state[0])
+        self.__dict__.update(state[1])
+
+    def __reduce__(self):
+        state = (dict(self), self.__dict__)
+        return (__newobj__, (self.__class__,), state)
+    
+    
+    def __init__(self, parent, depth, main, indict=None, name=None):
+        """
+        * parent is the section above
+        * depth is the depth level of this section
+        * main is the main ConfigObj
+        * indict is a dictionary to initialise the section with
+        """
+        if indict is None:
+            indict = {}
+        dict.__init__(self)
+        # used for nesting level *and* interpolation
+        self.parent = parent
+        # used for the interpolation attribute
+        self.main = main
+        # level of nesting depth of this Section
+        self.depth = depth
+        # purely for information
+        self.name = name
+        #
+        self._initialise()
+        # we do this explicitly so that __setitem__ is used properly
+        # (rather than just passing to ``dict.__init__``)
+        for entry, value in indict.iteritems():
+            self[entry] = value
+            
+            
+    def _initialise(self):
+        # the sequence of scalar values in this Section
+        self.scalars = []
+        # the sequence of sections in this Section
+        self.sections = []
+        # for comments :-)
+        self.comments = {}
+        self.inline_comments = {}
+        # the configspec
+        self.configspec = None
+        # for defaults
+        self.defaults = []
+        self.default_values = {}
+        self.extra_values = []
+        self._created = False
+
+
+    def _interpolate(self, key, value):
+        try:
+            # do we already have an interpolation engine?
+            engine = self._interpolation_engine
+        except AttributeError:
+            # not yet: first time running _interpolate(), so pick the engine
+            name = self.main.interpolation
+            if name == True:  # note that "if name:" would be incorrect here
+                # backwards-compatibility: interpolation=True means use default
+                name = DEFAULT_INTERPOLATION
+            name = name.lower()  # so that "Template", "template", etc. all work
+            class_ = interpolation_engines.get(name, None)
+            if class_ is None:
+                # invalid value for self.main.interpolation
+                self.main.interpolation = False
+                return value
+            else:
+                # save reference to engine so we don't have to do this again
+                engine = self._interpolation_engine = class_(self)
+        # let the engine do the actual work
+        return engine.interpolate(key, value)
+
+
+    def __getitem__(self, key):
+        """Fetch the item and do string interpolation."""
+        val = dict.__getitem__(self, key)
+        if self.main.interpolation: 
+            if isinstance(val, basestring):
+                return self._interpolate(key, val)
+            if isinstance(val, list):
+                def _check(entry):
+                    if isinstance(entry, basestring):
+                        return self._interpolate(key, entry)
+                    return entry
+                new = [_check(entry) for entry in val]
+                if new != val:
+                    return new
+        return val
+
+
+    def __setitem__(self, key, value, unrepr=False):
+        """
+        Correctly set a value.
+        
+        Making dictionary values Section instances.
+        (We have to special case 'Section' instances - which are also dicts)
+        
+        Keys must be strings.
+        Values need only be strings (or lists of strings) if
+        ``main.stringify`` is set.
+        
+        ``unrepr`` must be set when setting a value to a dictionary, without
+        creating a new sub-section.
+        """
+        if not isinstance(key, basestring):
+            raise ValueError('The key "%s" is not a string.' % key)
+        
+        # add the comment
+        if key not in self.comments:
+            self.comments[key] = []
+            self.inline_comments[key] = ''
+        # remove the entry from defaults
+        if key in self.defaults:
+            self.defaults.remove(key)
+        #
+        if isinstance(value, Section):
+            if key not in self:
+                self.sections.append(key)
+            dict.__setitem__(self, key, value)
+        elif isinstance(value, dict) and not unrepr:
+            # First create the new depth level,
+            # then create the section
+            if key not in self:
+                self.sections.append(key)
+            new_depth = self.depth + 1
+            dict.__setitem__(
+                self,
+                key,
+                Section(
+                    self,
+                    new_depth,
+                    self.main,
+                    indict=value,
+                    name=key))
+        else:
+            if key not in self:
+                self.scalars.append(key)
+            if not self.main.stringify:
+                if isinstance(value, basestring):
+                    pass
+                elif isinstance(value, (list, tuple)):
+                    for entry in value:
+                        if not isinstance(entry, basestring):
+                            raise TypeError('Value is not a string "%s".' % entry)
+                else:
+                    raise TypeError('Value is not a string "%s".' % value)
+            dict.__setitem__(self, key, value)
+
+
+    def __delitem__(self, key):
+        """Remove items from the sequence when deleting."""
+        dict. __delitem__(self, key)
+        if key in self.scalars:
+            self.scalars.remove(key)
+        else:
+            self.sections.remove(key)
+        del self.comments[key]
+        del self.inline_comments[key]
+
+
+    def get(self, key, default=None):
+        """A version of ``get`` that doesn't bypass string interpolation."""
+        try:
+            return self[key]
+        except KeyError:
+            return default
+
+
+    def update(self, indict):
+        """
+        A version of update that uses our ``__setitem__``.
+        """
+        for entry in indict:
+            self[entry] = indict[entry]
+
+
+    def pop(self, key, default=MISSING):
+        """
+        'D.pop(k[,d]) -> v, remove specified key and return the corresponding value.
+        If key is not found, d is returned if given, otherwise KeyError is raised'
+        """
+        try:
+            val = self[key]
+        except KeyError:
+            if default is MISSING:
+                raise
+            val = default
+        else:
+            del self[key]
+        return val
+
+
+    def popitem(self):
+        """Pops the first (key,val)"""
+        sequence = (self.scalars + self.sections)
+        if not sequence:
+            raise KeyError(": 'popitem(): dictionary is empty'")
+        key = sequence[0]
+        val =  self[key]
+        del self[key]
+        return key, val
+
+
+    def clear(self):
+        """
+        A version of clear that also affects scalars/sections
+        Also clears comments and configspec.
+        
+        Leaves other attributes alone :
+            depth/main/parent are not affected
+        """
+        dict.clear(self)
+        self.scalars = []
+        self.sections = []
+        self.comments = {}
+        self.inline_comments = {}
+        self.configspec = None
+        self.defaults = []
+        self.extra_values = []
+
+
+    def setdefault(self, key, default=None):
+        """A version of setdefault that sets sequence if appropriate."""
+        try:
+            return self[key]
+        except KeyError:
+            self[key] = default
+            return self[key]
+
+
+    def items(self):
+        """D.items() -> list of D's (key, value) pairs, as 2-tuples"""
+        return zip((self.scalars + self.sections), self.values())
+
+
+    def keys(self):
+        """D.keys() -> list of D's keys"""
+        return (self.scalars + self.sections)
+
+
+    def values(self):
+        """D.values() -> list of D's values"""
+        return [self[key] for key in (self.scalars + self.sections)]
+
+
+    def iteritems(self):
+        """D.iteritems() -> an iterator over the (key, value) items of D"""
+        return iter(self.items())
+
+
+    def iterkeys(self):
+        """D.iterkeys() -> an iterator over the keys of D"""
+        return iter((self.scalars + self.sections))
+
+    __iter__ = iterkeys
+
+
+    def itervalues(self):
+        """D.itervalues() -> an iterator over the values of D"""
+        return iter(self.values())
+
+
+    def __repr__(self):
+        """x.__repr__() <==> repr(x)"""
+        def _getval(key):
+            try:
+                return self[key]
+            except MissingInterpolationOption:
+                return dict.__getitem__(self, key)
+        return '{%s}' % ', '.join([('%s: %s' % (repr(key), repr(_getval(key))))
+            for key in (self.scalars + self.sections)])
+
+    __str__ = __repr__
+    __str__.__doc__ = "x.__str__() <==> str(x)"
+
+
+    # Extra methods - not in a normal dictionary
+
+    def dict(self):
+        """
+        Return a deepcopy of self as a dictionary.
+        
+        All members that are ``Section`` instances are recursively turned to
+        ordinary dictionaries - by calling their ``dict`` method.
+        
+        >>> n = a.dict()
+        >>> n == a
+        1
+        >>> n is a
+        0
+        """
+        newdict = {}
+        for entry in self:
+            this_entry = self[entry]
+            if isinstance(this_entry, Section):
+                this_entry = this_entry.dict()
+            elif isinstance(this_entry, list):
+                # create a copy rather than a reference
+                this_entry = list(this_entry)
+            elif isinstance(this_entry, tuple):
+                # create a copy rather than a reference
+                this_entry = tuple(this_entry)
+            newdict[entry] = this_entry
+        return newdict
+
+
+    def merge(self, indict):
+        """
+        A recursive update - useful for merging config files.
+        
+        >>> a = '''[section1]
+        ...     option1 = True
+        ...     [[subsection]]
+        ...     more_options = False
+        ...     # end of file'''.splitlines()
+        >>> b = '''# File is user.ini
+        ...     [section1]
+        ...     option1 = False
+        ...     # end of file'''.splitlines()
+        >>> c1 = ConfigObj(b)
+        >>> c2 = ConfigObj(a)
+        >>> c2.merge(c1)
+        >>> c2
+        ConfigObj({'section1': {'option1': 'False', 'subsection': {'more_options': 'False'}}})
+        """
+        for key, val in indict.items():
+            if (key in self and isinstance(self[key], dict) and
+                                isinstance(val, dict)):
+                self[key].merge(val)
+            else:   
+                self[key] = val
+
+
+    def rename(self, oldkey, newkey):
+        """
+        Change a keyname to another, without changing position in sequence.
+        
+        Implemented so that transformations can be made on keys,
+        as well as on values. (used by encode and decode)
+        
+        Also renames comments.
+        """
+        if oldkey in self.scalars:
+            the_list = self.scalars
+        elif oldkey in self.sections:
+            the_list = self.sections
+        else:
+            raise KeyError('Key "%s" not found.' % oldkey)
+        pos = the_list.index(oldkey)
+        #
+        val = self[oldkey]
+        dict.__delitem__(self, oldkey)
+        dict.__setitem__(self, newkey, val)
+        the_list.remove(oldkey)
+        the_list.insert(pos, newkey)
+        comm = self.comments[oldkey]
+        inline_comment = self.inline_comments[oldkey]
+        del self.comments[oldkey]
+        del self.inline_comments[oldkey]
+        self.comments[newkey] = comm
+        self.inline_comments[newkey] = inline_comment
+
+
+    def walk(self, function, raise_errors=True,
+            call_on_sections=False, **keywargs):
+        """
+        Walk every member and call a function on the keyword and value.
+        
+        Return a dictionary of the return values
+        
+        If the function raises an exception, raise the errror
+        unless ``raise_errors=False``, in which case set the return value to
+        ``False``.
+        
+        Any unrecognised keyword arguments you pass to walk, will be pased on
+        to the function you pass in.
+        
+        Note: if ``call_on_sections`` is ``True`` then - on encountering a
+        subsection, *first* the function is called for the *whole* subsection,
+        and then recurses into it's members. This means your function must be
+        able to handle strings, dictionaries and lists. This allows you
+        to change the key of subsections as well as for ordinary members. The
+        return value when called on the whole subsection has to be discarded.
+        
+        See  the encode and decode methods for examples, including functions.
+        
+        .. admonition:: caution
+        
+            You can use ``walk`` to transform the names of members of a section
+            but you mustn't add or delete members.
+        
+        >>> config = '''[XXXXsection]
+        ... XXXXkey = XXXXvalue'''.splitlines()
+        >>> cfg = ConfigObj(config)
+        >>> cfg
+        ConfigObj({'XXXXsection': {'XXXXkey': 'XXXXvalue'}})
+        >>> def transform(section, key):
+        ...     val = section[key]
+        ...     newkey = key.replace('XXXX', 'CLIENT1')
+        ...     section.rename(key, newkey)
+        ...     if isinstance(val, (tuple, list, dict)):
+        ...         pass
+        ...     else:
+        ...         val = val.replace('XXXX', 'CLIENT1')
+        ...         section[newkey] = val
+        >>> cfg.walk(transform, call_on_sections=True)
+        {'CLIENT1section': {'CLIENT1key': None}}
+        >>> cfg
+        ConfigObj({'CLIENT1section': {'CLIENT1key': 'CLIENT1value'}})
+        """
+        out = {}
+        # scalars first
+        for i in range(len(self.scalars)):
+            entry = self.scalars[i]
+            try:
+                val = function(self, entry, **keywargs)
+                # bound again in case name has changed
+                entry = self.scalars[i]
+                out[entry] = val
+            except Exception:
+                if raise_errors:
+                    raise
+                else:
+                    entry = self.scalars[i]
+                    out[entry] = False
+        # then sections
+        for i in range(len(self.sections)):
+            entry = self.sections[i]
+            if call_on_sections:
+                try:
+                    function(self, entry, **keywargs)
+                except Exception:
+                    if raise_errors:
+                        raise
+                    else:
+                        entry = self.sections[i]
+                        out[entry] = False
+                # bound again in case name has changed
+                entry = self.sections[i]
+            # previous result is discarded
+            out[entry] = self[entry].walk(
+                function,
+                raise_errors=raise_errors,
+                call_on_sections=call_on_sections,
+                **keywargs)
+        return out
+
+
+    def as_bool(self, key):
+        """
+        Accepts a key as input. The corresponding value must be a string or
+        the objects (``True`` or 1) or (``False`` or 0). We allow 0 and 1 to
+        retain compatibility with Python 2.2.
+        
+        If the string is one of  ``True``, ``On``, ``Yes``, or ``1`` it returns 
+        ``True``.
+        
+        If the string is one of  ``False``, ``Off``, ``No``, or ``0`` it returns 
+        ``False``.
+        
+        ``as_bool`` is not case sensitive.
+        
+        Any other input will raise a ``ValueError``.
+        
+        >>> a = ConfigObj()
+        >>> a['a'] = 'fish'
+        >>> a.as_bool('a')
+        Traceback (most recent call last):
+        ValueError: Value "fish" is neither True nor False
+        >>> a['b'] = 'True'
+        >>> a.as_bool('b')
+        1
+        >>> a['b'] = 'off'
+        >>> a.as_bool('b')
+        0
+        """
+        val = self[key]
+        if val == True:
+            return True
+        elif val == False:
+            return False
+        else:
+            try:
+                if not isinstance(val, basestring):
+                    # TODO: Why do we raise a KeyError here?
+                    raise KeyError()
+                else:
+                    return self.main._bools[val.lower()]
+            except KeyError:
+                raise ValueError('Value "%s" is neither True nor False' % val)
+
+
+    def as_int(self, key):
+        """
+        A convenience method which coerces the specified value to an integer.
+        
+        If the value is an invalid literal for ``int``, a ``ValueError`` will
+        be raised.
+        
+        >>> a = ConfigObj()
+        >>> a['a'] = 'fish'
+        >>> a.as_int('a')
+        Traceback (most recent call last):
+        ValueError: invalid literal for int() with base 10: 'fish'
+        >>> a['b'] = '1'
+        >>> a.as_int('b')
+        1
+        >>> a['b'] = '3.2'
+        >>> a.as_int('b')
+        Traceback (most recent call last):
+        ValueError: invalid literal for int() with base 10: '3.2'
+        """
+        return int(self[key])
+
+
+    def as_float(self, key):
+        """
+        A convenience method which coerces the specified value to a float.
+        
+        If the value is an invalid literal for ``float``, a ``ValueError`` will
+        be raised.
+        
+        >>> a = ConfigObj()
+        >>> a['a'] = 'fish'
+        >>> a.as_float('a')
+        Traceback (most recent call last):
+        ValueError: invalid literal for float(): fish
+        >>> a['b'] = '1'
+        >>> a.as_float('b')
+        1.0
+        >>> a['b'] = '3.2'
+        >>> a.as_float('b')
+        3.2000000000000002
+        """
+        return float(self[key])
+    
+    
+    def as_list(self, key):
+        """
+        A convenience method which fetches the specified value, guaranteeing
+        that it is a list.
+        
+        >>> a = ConfigObj()
+        >>> a['a'] = 1
+        >>> a.as_list('a')
+        [1]
+        >>> a['a'] = (1,)
+        >>> a.as_list('a')
+        [1]
+        >>> a['a'] = [1]
+        >>> a.as_list('a')
+        [1]
+        """
+        result = self[key]
+        if isinstance(result, (tuple, list)):
+            return list(result)
+        return [result]
+        
+
+    def restore_default(self, key):
+        """
+        Restore (and return) default value for the specified key.
+        
+        This method will only work for a ConfigObj that was created
+        with a configspec and has been validated.
+        
+        If there is no default value for this key, ``KeyError`` is raised.
+        """
+        default = self.default_values[key]
+        dict.__setitem__(self, key, default)
+        if key not in self.defaults:
+            self.defaults.append(key)
+        return default
+
+    
+    def restore_defaults(self):
+        """
+        Recursively restore default values to all members
+        that have them.
+        
+        This method will only work for a ConfigObj that was created
+        with a configspec and has been validated.
+        
+        It doesn't delete or modify entries without default values.
+        """
+        for key in self.default_values:
+            self.restore_default(key)
+            
+        for section in self.sections:
+            self[section].restore_defaults()
+
+
+class ConfigObj(Section):
+    """An object to read, create, and write config files."""
+
+    _keyword = re.compile(r'''^ # line start
+        (\s*)                   # indentation
+        (                       # keyword
+            (?:".*?")|          # double quotes
+            (?:'.*?')|          # single quotes
+            (?:[^'"=].*?)       # no quotes
+        )
+        \s*=\s*                 # divider
+        (.*)                    # value (including list values and comments)
+        $   # line end
+        ''',
+        re.VERBOSE)
+
+    _sectionmarker = re.compile(r'''^
+        (\s*)                     # 1: indentation
+        ((?:\[\s*)+)              # 2: section marker open
+        (                         # 3: section name open
+            (?:"\s*\S.*?\s*")|    # at least one non-space with double quotes
+            (?:'\s*\S.*?\s*')|    # at least one non-space with single quotes
+            (?:[^'"\s].*?)        # at least one non-space unquoted
+        )                         # section name close
+        ((?:\s*\])+)              # 4: section marker close
+        \s*(\#.*)?                # 5: optional comment
+        $''',
+        re.VERBOSE)
+
+    # this regexp pulls list values out as a single string
+    # or single values and comments
+    # FIXME: this regex adds a '' to the end of comma terminated lists
+    #   workaround in ``_handle_value``
+    _valueexp = re.compile(r'''^
+        (?:
+            (?:
+                (
+                    (?:
+                        (?:
+                            (?:".*?")|              # double quotes
+                            (?:'.*?')|              # single quotes
+                            (?:[^'",\#][^,\#]*?)    # unquoted
+                        )
+                        \s*,\s*                     # comma
+                    )*      # match all list items ending in a comma (if any)
+                )
+                (
+                    (?:".*?")|                      # double quotes
+                    (?:'.*?')|                      # single quotes
+                    (?:[^'",\#\s][^,]*?)|           # unquoted
+                    (?:(?<!,))                      # Empty value
+                )?          # last item in a list - or string value
+            )|
+            (,)             # alternatively a single comma - empty list
+        )
+        \s*(\#.*)?          # optional comment
+        $''',
+        re.VERBOSE)
+
+    # use findall to get the members of a list value
+    _listvalueexp = re.compile(r'''
+        (
+            (?:".*?")|          # double quotes
+            (?:'.*?')|          # single quotes
+            (?:[^'",\#]?.*?)       # unquoted
+        )
+        \s*,\s*                 # comma
+        ''',
+        re.VERBOSE)
+
+    # this regexp is used for the value
+    # when lists are switched off
+    _nolistvalue = re.compile(r'''^
+        (
+            (?:".*?")|          # double quotes
+            (?:'.*?')|          # single quotes
+            (?:[^'"\#].*?)|     # unquoted
+            (?:)                # Empty value
+        )
+        \s*(\#.*)?              # optional comment
+        $''',
+        re.VERBOSE)
+
+    # regexes for finding triple quoted values on one line
+    _single_line_single = re.compile(r"^'''(.*?)'''\s*(#.*)?$")
+    _single_line_double = re.compile(r'^"""(.*?)"""\s*(#.*)?$')
+    _multi_line_single = re.compile(r"^(.*?)'''\s*(#.*)?$")
+    _multi_line_double = re.compile(r'^(.*?)"""\s*(#.*)?$')
+
+    _triple_quote = {
+        "'''": (_single_line_single, _multi_line_single),
+        '"""': (_single_line_double, _multi_line_double),
+    }
+
+    # Used by the ``istrue`` Section method
+    _bools = {
+        'yes': True, 'no': False,
+        'on': True, 'off': False,
+        '1': True, '0': False,
+        'true': True, 'false': False,
+        }
+
+
+    def __init__(self, infile=None, options=None, configspec=None, encoding=None,
+                 interpolation=True, raise_errors=False, list_values=True,
+                 create_empty=False, file_error=False, stringify=True,
+                 indent_type=None, default_encoding=None, unrepr=False,
+                 write_empty_values=False, _inspec=False):
+        """
+        Parse a config file or create a config file object.
+        
+        ``ConfigObj(infile=None, configspec=None, encoding=None,
+                    interpolation=True, raise_errors=False, list_values=True,
+                    create_empty=False, file_error=False, stringify=True,
+                    indent_type=None, default_encoding=None, unrepr=False,
+                    write_empty_values=False, _inspec=False)``
+        """
+        self._inspec = _inspec
+        # init the superclass
+        Section.__init__(self, self, 0, self)
+        
+        infile = infile or []
+        
+        _options = {'configspec': configspec,
+                    'encoding': encoding, 'interpolation': interpolation,
+                    'raise_errors': raise_errors, 'list_values': list_values,
+                    'create_empty': create_empty, 'file_error': file_error,
+                    'stringify': stringify, 'indent_type': indent_type,
+                    'default_encoding': default_encoding, 'unrepr': unrepr,
+                    'write_empty_values': write_empty_values}
+
+        if options is None:
+            options = _options
+        else:
+            import warnings
+            warnings.warn('Passing in an options dictionary to ConfigObj() is '
+                          'deprecated. Use **options instead.',
+                          DeprecationWarning, stacklevel=2)
+            
+            # TODO: check the values too.
+            for entry in options:
+                if entry not in OPTION_DEFAULTS:
+                    raise TypeError('Unrecognised option "%s".' % entry)
+            for entry, value in OPTION_DEFAULTS.items():
+                if entry not in options:
+                    options[entry] = value
+                keyword_value = _options[entry]
+                if value != keyword_value:
+                    options[entry] = keyword_value
+        
+        # XXXX this ignores an explicit list_values = True in combination
+        # with _inspec. The user should *never* do that anyway, but still...
+        if _inspec:
+            options['list_values'] = False
+        
+        self._initialise(options)
+        configspec = options['configspec']
+        self._original_configspec = configspec
+        self._load(infile, configspec)
+        
+        
+    def _load(self, infile, configspec):
+        if isinstance(infile, basestring):
+            self.filename = infile
+            if os.path.isfile(infile):
+                h = open(infile, 'rb')
+                infile = h.read() or []
+                h.close()
+            elif self.file_error:
+                # raise an error if the file doesn't exist
+                raise IOError('Config file not found: "%s".' % self.filename)
+            else:
+                # file doesn't already exist
+                if self.create_empty:
+                    # this is a good test that the filename specified
+                    # isn't impossible - like on a non-existent device
+                    h = open(infile, 'w')
+                    h.write('')
+                    h.close()
+                infile = []
+                
+        elif isinstance(infile, (list, tuple)):
+            infile = list(infile)
+            
+        elif isinstance(infile, dict):
+            # initialise self
+            # the Section class handles creating subsections
+            if isinstance(infile, ConfigObj):
+                # get a copy of our ConfigObj
+                def set_section(in_section, this_section):
+                    for entry in in_section.scalars:
+                        this_section[entry] = in_section[entry]
+                    for section in in_section.sections:
+                        this_section[section] = {}
+                        set_section(in_section[section], this_section[section])
+                set_section(infile, self)
+                
+            else:
+                for entry in infile:
+                    self[entry] = infile[entry]
+            del self._errors
+            
+            if configspec is not None:
+                self._handle_configspec(configspec)
+            else:
+                self.configspec = None
+            return
+        
+        elif getattr(infile, 'read', MISSING) is not MISSING:
+            # This supports file like objects
+            infile = infile.read() or []
+            # needs splitting into lines - but needs doing *after* decoding
+            # in case it's not an 8 bit encoding
+        else:
+            raise TypeError('infile must be a filename, file like object, or list of lines.')
+        
+        if infile:
+            # don't do it for the empty ConfigObj
+            infile = self._handle_bom(infile)
+            # infile is now *always* a list
+            #
+            # Set the newlines attribute (first line ending it finds)
+            # and strip trailing '\n' or '\r' from lines
+            for line in infile:
+                if (not line) or (line[-1] not in ('\r', '\n', '\r\n')):
+                    continue
+                for end in ('\r\n', '\n', '\r'):
+                    if line.endswith(end):
+                        self.newlines = end
+                        break
+                break
+
+            infile = [line.rstrip('\r\n') for line in infile]
+            
+        self._parse(infile)
+        # if we had any errors, now is the time to raise them
+        if self._errors:
+            info = "at line %s." % self._errors[0].line_number
+            if len(self._errors) > 1:
+                msg = "Parsing failed with several errors.\nFirst error %s" % info
+                error = ConfigObjError(msg)
+            else:
+                error = self._errors[0]
+            # set the errors attribute; it's a list of tuples:
+            # (error_type, message, line_number)
+            error.errors = self._errors
+            # set the config attribute
+            error.config = self
+            raise error
+        # delete private attributes
+        del self._errors
+        
+        if configspec is None:
+            self.configspec = None
+        else:
+            self._handle_configspec(configspec)
+    
+    
+    def _initialise(self, options=None):
+        if options is None:
+            options = OPTION_DEFAULTS
+            
+        # initialise a few variables
+        self.filename = None
+        self._errors = []
+        self.raise_errors = options['raise_errors']
+        self.interpolation = options['interpolation']
+        self.list_values = options['list_values']
+        self.create_empty = options['create_empty']
+        self.file_error = options['file_error']
+        self.stringify = options['stringify']
+        self.indent_type = options['indent_type']
+        self.encoding = options['encoding']
+        self.default_encoding = options['default_encoding']
+        self.BOM = False
+        self.newlines = None
+        self.write_empty_values = options['write_empty_values']
+        self.unrepr = options['unrepr']
+        
+        self.initial_comment = []
+        self.final_comment = []
+        self.configspec = None
+        
+        if self._inspec:
+            self.list_values = False
+        
+        # Clear section attributes as well
+        Section._initialise(self)
+        
+        
+    def __repr__(self):
+        def _getval(key):
+            try:
+                return self[key]
+            except MissingInterpolationOption:
+                return dict.__getitem__(self, key)
+        return ('ConfigObj({%s})' % 
+                ', '.join([('%s: %s' % (repr(key), repr(_getval(key)))) 
+                for key in (self.scalars + self.sections)]))
+    
+    
+    def _handle_bom(self, infile):
+        """
+        Handle any BOM, and decode if necessary.
+        
+        If an encoding is specified, that *must* be used - but the BOM should
+        still be removed (and the BOM attribute set).
+        
+        (If the encoding is wrongly specified, then a BOM for an alternative
+        encoding won't be discovered or removed.)
+        
+        If an encoding is not specified, UTF8 or UTF16 BOM will be detected and
+        removed. The BOM attribute will be set. UTF16 will be decoded to
+        unicode.
+        
+        NOTE: This method must not be called with an empty ``infile``.
+        
+        Specifying the *wrong* encoding is likely to cause a
+        ``UnicodeDecodeError``.
+        
+        ``infile`` must always be returned as a list of lines, but may be
+        passed in as a single string.
+        """
+        if ((self.encoding is not None) and
+            (self.encoding.lower() not in BOM_LIST)):
+            # No need to check for a BOM
+            # the encoding specified doesn't have one
+            # just decode
+            return self._decode(infile, self.encoding)
+        
+        if isinstance(infile, (list, tuple)):
+            line = infile[0]
+        else:
+            line = infile
+        if self.encoding is not None:
+            # encoding explicitly supplied
+            # And it could have an associated BOM
+            # TODO: if encoding is just UTF16 - we ought to check for both
+            # TODO: big endian and little endian versions.
+            enc = BOM_LIST[self.encoding.lower()]
+            if enc == 'utf_16':
+                # For UTF16 we try big endian and little endian
+                for BOM, (encoding, final_encoding) in BOMS.items():
+                    if not final_encoding:
+                        # skip UTF8
+                        continue
+                    if infile.startswith(BOM):
+                        ### BOM discovered
+                        ##self.BOM = True
+                        # Don't need to remove BOM
+                        return self._decode(infile, encoding)
+                    
+                # If we get this far, will *probably* raise a DecodeError
+                # As it doesn't appear to start with a BOM
+                return self._decode(infile, self.encoding)
+            
+            # Must be UTF8
+            BOM = BOM_SET[enc]
+            if not line.startswith(BOM):
+                return self._decode(infile, self.encoding)
+            
+            newline = line[len(BOM):]
+            
+            # BOM removed
+            if isinstance(infile, (list, tuple)):
+                infile[0] = newline
+            else:
+                infile = newline
+            self.BOM = True
+            return self._decode(infile, self.encoding)
+        
+        # No encoding specified - so we need to check for UTF8/UTF16
+        for BOM, (encoding, final_encoding) in BOMS.items():
+            if not line.startswith(BOM):
+                continue
+            else:
+                # BOM discovered
+                self.encoding = final_encoding
+                if not final_encoding:
+                    self.BOM = True
+                    # UTF8
+                    # remove BOM
+                    newline = line[len(BOM):]
+                    if isinstance(infile, (list, tuple)):
+                        infile[0] = newline
+                    else:
+                        infile = newline
+                    # UTF8 - don't decode
+                    if isinstance(infile, basestring):
+                        return infile.splitlines(True)
+                    else:
+                        return infile
+                # UTF16 - have to decode
+                return self._decode(infile, encoding)
+            
+        # No BOM discovered and no encoding specified, just return
+        if isinstance(infile, basestring):
+            # infile read from a file will be a single string
+            return infile.splitlines(True)
+        return infile
+
+
+    def _a_to_u(self, aString):
+        """Decode ASCII strings to unicode if a self.encoding is specified."""
+        if self.encoding:
+            return aString.decode('ascii')
+        else:
+            return aString
+
+
+    def _decode(self, infile, encoding):
+        """
+        Decode infile to unicode. Using the specified encoding.
+        
+        if is a string, it also needs converting to a list.
+        """
+        if isinstance(infile, basestring):
+            # can't be unicode
+            # NOTE: Could raise a ``UnicodeDecodeError``
+            return infile.decode(encoding).splitlines(True)
+        for i, line in enumerate(infile):
+            if not isinstance(line, unicode):
+                # NOTE: The isinstance test here handles mixed lists of unicode/string
+                # NOTE: But the decode will break on any non-string values
+                # NOTE: Or could raise a ``UnicodeDecodeError``
+                infile[i] = line.decode(encoding)
+        return infile
+
+
+    def _decode_element(self, line):
+        """Decode element to unicode if necessary."""
+        if not self.encoding:
+            return line
+        if isinstance(line, str) and self.default_encoding:
+            return line.decode(self.default_encoding)
+        return line
+
+
+    def _str(self, value):
+        """
+        Used by ``stringify`` within validate, to turn non-string values
+        into strings.
+        """
+        if not isinstance(value, basestring):
+            return str(value)
+        else:
+            return value
+
+
+    def _parse(self, infile):
+        """Actually parse the config file."""
+        temp_list_values = self.list_values
+        if self.unrepr:
+            self.list_values = False
+            
+        comment_list = []
+        done_start = False
+        this_section = self
+        maxline = len(infile) - 1
+        cur_index = -1
+        reset_comment = False
+        
+        while cur_index < maxline:
+            if reset_comment:
+                comment_list = []
+            cur_index += 1
+            line = infile[cur_index]
+            sline = line.strip()
+            # do we have anything on the line ?
+            if not sline or sline.startswith('#'):
+                reset_comment = False
+                comment_list.append(line)
+                continue
+            
+            if not done_start:
+                # preserve initial comment
+                self.initial_comment = comment_list
+                comment_list = []
+                done_start = True
+                
+            reset_comment = True
+            # first we check if it's a section marker
+            mat = self._sectionmarker.match(line)
+            if mat is not None:
+                # is a section line
+                (indent, sect_open, sect_name, sect_close, comment) = mat.groups()
+                if indent and (self.indent_type is None):
+                    self.indent_type = indent
+                cur_depth = sect_open.count('[')
+                if cur_depth != sect_close.count(']'):
+                    self._handle_error("Cannot compute the section depth at line %s.",
+                                       NestingError, infile, cur_index)
+                    continue
+                
+                if cur_depth < this_section.depth:
+                    # the new section is dropping back to a previous level
+                    try:
+                        parent = self._match_depth(this_section,
+                                                   cur_depth).parent
+                    except SyntaxError:
+                        self._handle_error("Cannot compute nesting level at line %s.",
+                                           NestingError, infile, cur_index)
+                        continue
+                elif cur_depth == this_section.depth:
+                    # the new section is a sibling of the current section
+                    parent = this_section.parent
+                elif cur_depth == this_section.depth + 1:
+                    # the new section is a child the current section
+                    parent = this_section
+                else:
+                    self._handle_error("Section too nested at line %s.",
+                                       NestingError, infile, cur_index)
+                    
+                sect_name = self._unquote(sect_name)
+                if sect_name in parent:
+                    self._handle_error('Duplicate section name at line %s.',
+                                       DuplicateError, infile, cur_index)
+                    continue
+                
+                # create the new section
+                this_section = Section(
+                    parent,
+                    cur_depth,
+                    self,
+                    name=sect_name)
+                parent[sect_name] = this_section
+                parent.inline_comments[sect_name] = comment
+                parent.comments[sect_name] = comment_list
+                continue
+            #
+            # it's not a section marker,
+            # so it should be a valid ``key = value`` line
+            mat = self._keyword.match(line)
+            if mat is None:
+                # it neither matched as a keyword
+                # or a section marker
+                self._handle_error(
+                    'Invalid line at line "%s".',
+                    ParseError, infile, cur_index)
+            else:
+                # is a keyword value
+                # value will include any inline comment
+                (indent, key, value) = mat.groups()
+                if indent and (self.indent_type is None):
+                    self.indent_type = indent
+                # check for a multiline value
+                if value[:3] in ['"""', "'''"]:
+                    try:
+                        value, comment, cur_index = self._multiline(
+                            value, infile, cur_index, maxline)
+                    except SyntaxError:
+                        self._handle_error(
+                            'Parse error in value at line %s.',
+                            ParseError, infile, cur_index)
+                        continue
+                    else:
+                        if self.unrepr:
+                            comment = ''
+                            try:
+                                value = unrepr(value)
+                            except Exception, e:
+                                if type(e) == UnknownType:
+                                    msg = 'Unknown name or type in value at line %s.'
+                                else:
+                                    msg = 'Parse error in value at line %s.'
+                                self._handle_error(msg, UnreprError, infile,
+                                    cur_index)
+                                continue
+                else:
+                    if self.unrepr:
+                        comment = ''
+                        try:
+                            value = unrepr(value)
+                        except Exception, e:
+                            if isinstance(e, UnknownType):
+                                msg = 'Unknown name or type in value at line %s.'
+                            else:
+                                msg = 'Parse error in value at line %s.'
+                            self._handle_error(msg, UnreprError, infile,
+                                cur_index)
+                            continue
+                    else:
+                        # extract comment and lists
+                        try:
+                            (value, comment) = self._handle_value(value)
+                        except SyntaxError:
+                            self._handle_error(
+                                'Parse error in value at line %s.',
+                                ParseError, infile, cur_index)
+                            continue
+                #
+                key = self._unquote(key)
+                if key in this_section:
+                    self._handle_error(
+                        'Duplicate keyword name at line %s.',
+                        DuplicateError, infile, cur_index)
+                    continue
+                # add the key.
+                # we set unrepr because if we have got this far we will never
+                # be creating a new section
+                this_section.__setitem__(key, value, unrepr=True)
+                this_section.inline_comments[key] = comment
+                this_section.comments[key] = comment_list
+                continue
+        #
+        if self.indent_type is None:
+            # no indentation used, set the type accordingly
+            self.indent_type = ''
+
+        # preserve the final comment
+        if not self and not self.initial_comment:
+            self.initial_comment = comment_list
+        elif not reset_comment:
+            self.final_comment = comment_list
+        self.list_values = temp_list_values
+
+
+    def _match_depth(self, sect, depth):
+        """
+        Given a section and a depth level, walk back through the sections
+        parents to see if the depth level matches a previous section.
+        
+        Return a reference to the right section,
+        or raise a SyntaxError.
+        """
+        while depth < sect.depth:
+            if sect is sect.parent:
+                # we've reached the top level already
+                raise SyntaxError()
+            sect = sect.parent
+        if sect.depth == depth:
+            return sect
+        # shouldn't get here
+        raise SyntaxError()
+
+
+    def _handle_error(self, text, ErrorClass, infile, cur_index):
+        """
+        Handle an error according to the error settings.
+        
+        Either raise the error or store it.
+        The error will have occured at ``cur_index``
+        """
+        line = infile[cur_index]
+        cur_index += 1
+        message = text % cur_index
+        error = ErrorClass(message, cur_index, line)
+        if self.raise_errors:
+            # raise the error - parsing stops here
+            raise error
+        # store the error
+        # reraise when parsing has finished
+        self._errors.append(error)
+
+
+    def _unquote(self, value):
+        """Return an unquoted version of a value"""
+        if not value:
+            # should only happen during parsing of lists
+            raise SyntaxError
+        if (value[0] == value[-1]) and (value[0] in ('"', "'")):
+            value = value[1:-1]
+        return value
+
+
+    def _quote(self, value, multiline=True):
+        """
+        Return a safely quoted version of a value.
+        
+        Raise a ConfigObjError if the value cannot be safely quoted.
+        If multiline is ``True`` (default) then use triple quotes
+        if necessary.
+        
+        * Don't quote values that don't need it.
+        * Recursively quote members of a list and return a comma joined list.
+        * Multiline is ``False`` for lists.
+        * Obey list syntax for empty and single member lists.
+        
+        If ``list_values=False`` then the value is only quoted if it contains
+        a ``\\n`` (is multiline) or '#'.
+        
+        If ``write_empty_values`` is set, and the value is an empty string, it
+        won't be quoted.
+        """
+        if multiline and self.write_empty_values and value == '':
+            # Only if multiline is set, so that it is used for values not
+            # keys, and not values that are part of a list
+            return ''
+        
+        if multiline and isinstance(value, (list, tuple)):
+            if not value:
+                return ','
+            elif len(value) == 1:
+                return self._quote(value[0], multiline=False) + ','
+            return ', '.join([self._quote(val, multiline=False)
+                for val in value])
+        if not isinstance(value, basestring):
+            if self.stringify:
+                value = str(value)
+            else:
+                raise TypeError('Value "%s" is not a string.' % value)
+
+        if not value:
+            return '""'
+        
+        no_lists_no_quotes = not self.list_values and '\n' not in value and '#' not in value
+        need_triple = multiline and ((("'" in value) and ('"' in value)) or ('\n' in value ))
+        hash_triple_quote = multiline and not need_triple and ("'" in value) and ('"' in value) and ('#' in value)
+        check_for_single = (no_lists_no_quotes or not need_triple) and not hash_triple_quote
+        
+        if check_for_single:
+            if not self.list_values:
+                # we don't quote if ``list_values=False``
+                quot = noquot
+            # for normal values either single or double quotes will do
+            elif '\n' in value:
+                # will only happen if multiline is off - e.g. '\n' in key
+                raise ConfigObjError('Value "%s" cannot be safely quoted.' % value)
+            elif ((value[0] not in wspace_plus) and
+                    (value[-1] not in wspace_plus) and
+                    (',' not in value)):
+                quot = noquot
+            else:
+                quot = self._get_single_quote(value)
+        else:
+            # if value has '\n' or "'" *and* '"', it will need triple quotes
+            quot = self._get_triple_quote(value)
+        
+        if quot == noquot and '#' in value and self.list_values:
+            quot = self._get_single_quote(value)
+                
+        return quot % value
+    
+    
+    def _get_single_quote(self, value):
+        if ("'" in value) and ('"' in value):
+            raise ConfigObjError('Value "%s" cannot be safely quoted.' % value)
+        elif '"' in value:
+            quot = squot
+        else:
+            quot = dquot
+        return quot
+    
+    
+    def _get_triple_quote(self, value):
+        if (value.find('"""') != -1) and (value.find("'''") != -1):
+            raise ConfigObjError('Value "%s" cannot be safely quoted.' % value)
+        if value.find('"""') == -1:
+            quot = tdquot
+        else:
+            quot = tsquot 
+        return quot
+
+
+    def _handle_value(self, value):
+        """
+        Given a value string, unquote, remove comment,
+        handle lists. (including empty and single member lists)
+        """
+        if self._inspec:
+            # Parsing a configspec so don't handle comments
+            return (value, '')
+        # do we look for lists in values ?
+        if not self.list_values:
+            mat = self._nolistvalue.match(value)
+            if mat is None:
+                raise SyntaxError()
+            # NOTE: we don't unquote here
+            return mat.groups()
+        #
+        mat = self._valueexp.match(value)
+        if mat is None:
+            # the value is badly constructed, probably badly quoted,
+            # or an invalid list
+            raise SyntaxError()
+        (list_values, single, empty_list, comment) = mat.groups()
+        if (list_values == '') and (single is None):
+            # change this if you want to accept empty values
+            raise SyntaxError()
+        # NOTE: note there is no error handling from here if the regex
+        # is wrong: then incorrect values will slip through
+        if empty_list is not None:
+            # the single comma - meaning an empty list
+            return ([], comment)
+        if single is not None:
+            # handle empty values
+            if list_values and not single:
+                # FIXME: the '' is a workaround because our regex now matches
+                #   '' at the end of a list if it has a trailing comma
+                single = None
+            else:
+                single = single or '""'
+                single = self._unquote(single)
+        if list_values == '':
+            # not a list value
+            return (single, comment)
+        the_list = self._listvalueexp.findall(list_values)
+        the_list = [self._unquote(val) for val in the_list]
+        if single is not None:
+            the_list += [single]
+        return (the_list, comment)
+
+
+    def _multiline(self, value, infile, cur_index, maxline):
+        """Extract the value, where we are in a multiline situation."""
+        quot = value[:3]
+        newvalue = value[3:]
+        single_line = self._triple_quote[quot][0]
+        multi_line = self._triple_quote[quot][1]
+        mat = single_line.match(value)
+        if mat is not None:
+            retval = list(mat.groups())
+            retval.append(cur_index)
+            return retval
+        elif newvalue.find(quot) != -1:
+            # somehow the triple quote is missing
+            raise SyntaxError()
+        #
+        while cur_index < maxline:
+            cur_index += 1
+            newvalue += '\n'
+            line = infile[cur_index]
+            if line.find(quot) == -1:
+                newvalue += line
+            else:
+                # end of multiline, process it
+                break
+        else:
+            # we've got to the end of the config, oops...
+            raise SyntaxError()
+        mat = multi_line.match(line)
+        if mat is None:
+            # a badly formed line
+            raise SyntaxError()
+        (value, comment) = mat.groups()
+        return (newvalue + value, comment, cur_index)
+
+
+    def _handle_configspec(self, configspec):
+        """Parse the configspec."""
+        # FIXME: Should we check that the configspec was created with the 
+        #        correct settings ? (i.e. ``list_values=False``)
+        if not isinstance(configspec, ConfigObj):
+            try:
+                configspec = ConfigObj(configspec,
+                                       raise_errors=True,
+                                       file_error=True,
+                                       _inspec=True)
+            except ConfigObjError, e:
+                # FIXME: Should these errors have a reference
+                #        to the already parsed ConfigObj ?
+                raise ConfigspecError('Parsing configspec failed: %s' % e)
+            except IOError, e:
+                raise IOError('Reading configspec failed: %s' % e)
+        
+        self.configspec = configspec
+            
+
+        
+    def _set_configspec(self, section, copy):
+        """
+        Called by validate. Handles setting the configspec on subsections
+        including sections to be validated by __many__
+        """
+        configspec = section.configspec
+        many = configspec.get('__many__')
+        if isinstance(many, dict):
+            for entry in section.sections:
+                if entry not in configspec:
+                    section[entry].configspec = many
+                    
+        for entry in configspec.sections:
+            if entry == '__many__':
+                continue
+            if entry not in section:
+                section[entry] = {}
+                section[entry]._created = True
+                if copy:
+                    # copy comments
+                    section.comments[entry] = configspec.comments.get(entry, [])
+                    section.inline_comments[entry] = configspec.inline_comments.get(entry, '')
+                
+            # Could be a scalar when we expect a section
+            if isinstance(section[entry], Section):
+                section[entry].configspec = configspec[entry]
+                        
+
+    def _write_line(self, indent_string, entry, this_entry, comment):
+        """Write an individual line, for the write method"""
+        # NOTE: the calls to self._quote here handles non-StringType values.
+        if not self.unrepr:
+            val = self._decode_element(self._quote(this_entry))
+        else:
+            val = repr(this_entry)
+        return '%s%s%s%s%s' % (indent_string,
+                               self._decode_element(self._quote(entry, multiline=False)),
+                               self._a_to_u(' = '),
+                               val,
+                               self._decode_element(comment))
+
+
+    def _write_marker(self, indent_string, depth, entry, comment):
+        """Write a section marker line"""
+        return '%s%s%s%s%s' % (indent_string,
+                               self._a_to_u('[' * depth),
+                               self._quote(self._decode_element(entry), multiline=False),
+                               self._a_to_u(']' * depth),
+                               self._decode_element(comment))
+
+
+    def _handle_comment(self, comment):
+        """Deal with a comment."""
+        if not comment:
+            return ''
+        start = self.indent_type
+        if not comment.startswith('#'):
+            start += self._a_to_u(' # ')
+        return (start + comment)
+
+
+    # Public methods
+
+    def write(self, outfile=None, section=None):
+        """
+        Write the current ConfigObj as a file
+        
+        tekNico: FIXME: use StringIO instead of real files
+        
+        >>> filename = a.filename
+        >>> a.filename = 'test.ini'
+        >>> a.write()
+        >>> a.filename = filename
+        >>> a == ConfigObj('test.ini', raise_errors=True)
+        1
+        >>> import os
+        >>> os.remove('test.ini')
+        """
+        if self.indent_type is None:
+            # this can be true if initialised from a dictionary
+            self.indent_type = DEFAULT_INDENT_TYPE
+            
+        out = []
+        cs = self._a_to_u('#')
+        csp = self._a_to_u('# ')
+        if section is None:
+            int_val = self.interpolation
+            self.interpolation = False
+            section = self
+            for line in self.initial_comment:
+                line = self._decode_element(line)
+                stripped_line = line.strip()
+                if stripped_line and not stripped_line.startswith(cs):
+                    line = csp + line
+                out.append(line)
+                
+        indent_string = self.indent_type * section.depth
+        for entry in (section.scalars + section.sections):
+            if entry in section.defaults:
+                # don't write out default values
+                continue
+            for comment_line in section.comments[entry]:
+                comment_line = self._decode_element(comment_line.lstrip())
+                if comment_line and not comment_line.startswith(cs):
+                    comment_line = csp + comment_line
+                out.append(indent_string + comment_line)
+            this_entry = section[entry]
+            comment = self._handle_comment(section.inline_comments[entry])
+            
+            if isinstance(this_entry, dict):
+                # a section
+                out.append(self._write_marker(
+                    indent_string,
+                    this_entry.depth,
+                    entry,
+                    comment))
+                out.extend(self.write(section=this_entry))
+            else:
+                out.append(self._write_line(
+                    indent_string,
+                    entry,
+                    this_entry,
+                    comment))
+                
+        if section is self:
+            for line in self.final_comment:
+                line = self._decode_element(line)
+                stripped_line = line.strip()
+                if stripped_line and not stripped_line.startswith(cs):
+                    line = csp + line
+                out.append(line)
+            self.interpolation = int_val
+            
+        if section is not self:
+            return out
+        
+        if (self.filename is None) and (outfile is None):
+            # output a list of lines
+            # might need to encode
+            # NOTE: This will *screw* UTF16, each line will start with the BOM
+            if self.encoding:
+                out = [l.encode(self.encoding) for l in out]
+            if (self.BOM and ((self.encoding is None) or
+                (BOM_LIST.get(self.encoding.lower()) == 'utf_8'))):
+                # Add the UTF8 BOM
+                if not out:
+                    out.append('')
+                out[0] = BOM_UTF8 + out[0]
+            return out
+        
+        # Turn the list to a string, joined with correct newlines
+        newline = self.newlines or os.linesep
+        if (getattr(outfile, 'mode', None) is not None and outfile.mode == 'w'
+            and sys.platform == 'win32' and newline == '\r\n'):
+            # Windows specific hack to avoid writing '\r\r\n'
+            newline = '\n'
+        output = self._a_to_u(newline).join(out)
+        if self.encoding:
+            output = output.encode(self.encoding)
+        if self.BOM and ((self.encoding is None) or match_utf8(self.encoding)):
+            # Add the UTF8 BOM
+            output = BOM_UTF8 + output
+            
+        if not output.endswith(newline):
+            output += newline
+        if outfile is not None:
+            outfile.write(output)
+        else:
+            h = open(self.filename, 'wb')
+            h.write(output)
+            h.close()
+
+
+    def validate(self, validator, preserve_errors=False, copy=False,
+                 section=None):
+        """
+        Test the ConfigObj against a configspec.
+        
+        It uses the ``validator`` object from *validate.py*.
+        
+        To run ``validate`` on the current ConfigObj, call: ::
+        
+            test = config.validate(validator)
+        
+        (Normally having previously passed in the configspec when the ConfigObj
+        was created - you can dynamically assign a dictionary of checks to the
+        ``configspec`` attribute of a section though).
+        
+        It returns ``True`` if everything passes, or a dictionary of
+        pass/fails (True/False). If every member of a subsection passes, it
+        will just have the value ``True``. (It also returns ``False`` if all
+        members fail).
+        
+        In addition, it converts the values from strings to their native
+        types if their checks pass (and ``stringify`` is set).
+        
+        If ``preserve_errors`` is ``True`` (``False`` is default) then instead
+        of a marking a fail with a ``False``, it will preserve the actual
+        exception object. This can contain info about the reason for failure.
+        For example the ``VdtValueTooSmallError`` indicates that the value
+        supplied was too small. If a value (or section) is missing it will
+        still be marked as ``False``.
+        
+        You must have the validate module to use ``preserve_errors=True``.
+        
+        You can then use the ``flatten_errors`` function to turn your nested
+        results dictionary into a flattened list of failures - useful for
+        displaying meaningful error messages.
+        """
+        if section is None:
+            if self.configspec is None:
+                raise ValueError('No configspec supplied.')
+            if preserve_errors:
+                # We do this once to remove a top level dependency on the validate module
+                # Which makes importing configobj faster
+                from validate import VdtMissingValue
+                self._vdtMissingValue = VdtMissingValue
+                
+            section = self
+
+            if copy:
+                section.initial_comment = section.configspec.initial_comment
+                section.final_comment = section.configspec.final_comment
+                section.encoding = section.configspec.encoding
+                section.BOM = section.configspec.BOM
+                section.newlines = section.configspec.newlines
+                section.indent_type = section.configspec.indent_type
+            
+        #
+        # section.default_values.clear() #??
+        configspec = section.configspec
+        self._set_configspec(section, copy)
+
+        
+        def validate_entry(entry, spec, val, missing, ret_true, ret_false):
+            section.default_values.pop(entry, None)
+                
+            try:
+                section.default_values[entry] = validator.get_default_value(configspec[entry])
+            except (KeyError, AttributeError, validator.baseErrorClass):
+                # No default, bad default or validator has no 'get_default_value'
+                # (e.g. SimpleVal)
+                pass
+            
+            try:
+                check = validator.check(spec,
+                                        val,
+                                        missing=missing
+                                        )
+            except validator.baseErrorClass, e:
+                if not preserve_errors or isinstance(e, self._vdtMissingValue):
+                    out[entry] = False
+                else:
+                    # preserve the error
+                    out[entry] = e
+                    ret_false = False
+                ret_true = False
+            else:
+                ret_false = False
+                out[entry] = True
+                if self.stringify or missing:
+                    # if we are doing type conversion
+                    # or the value is a supplied default
+                    if not self.stringify:
+                        if isinstance(check, (list, tuple)):
+                            # preserve lists
+                            check = [self._str(item) for item in check]
+                        elif missing and check is None:
+                            # convert the None from a default to a ''
+                            check = ''
+                        else:
+                            check = self._str(check)
+                    if (check != val) or missing:
+                        section[entry] = check
+                if not copy and missing and entry not in section.defaults:
+                    section.defaults.append(entry)
+            return ret_true, ret_false
+        
+        #
+        out = {}
+        ret_true = True
+        ret_false = True
+        
+        unvalidated = [k for k in section.scalars if k not in configspec]
+        incorrect_sections = [k for k in configspec.sections if k in section.scalars]        
+        incorrect_scalars = [k for k in configspec.scalars if k in section.sections]
+        
+        for entry in configspec.scalars:
+            if entry in ('__many__', '___many___'):
+                # reserved names
+                continue
+            if (not entry in section.scalars) or (entry in section.defaults):
+                # missing entries
+                # or entries from defaults
+                missing = True
+                val = None
+                if copy and entry not in section.scalars:
+                    # copy comments
+                    section.comments[entry] = (
+                        configspec.comments.get(entry, []))
+                    section.inline_comments[entry] = (
+                        configspec.inline_comments.get(entry, ''))
+                #
+            else:
+                missing = False
+                val = section[entry]
+            
+            ret_true, ret_false = validate_entry(entry, configspec[entry], val, 
+                                                 missing, ret_true, ret_false)
+        
+        many = None
+        if '__many__' in configspec.scalars:
+            many = configspec['__many__']
+        elif '___many___' in configspec.scalars:
+            many = configspec['___many___']
+        
+        if many is not None:
+            for entry in unvalidated:
+                val = section[entry]
+                ret_true, ret_false = validate_entry(entry, many, val, False,
+                                                     ret_true, ret_false)
+            unvalidated = []
+
+        for entry in incorrect_scalars:
+            ret_true = False
+            if not preserve_errors:
+                out[entry] = False
+            else:
+                ret_false = False
+                msg = 'Value %r was provided as a section' % entry
+                out[entry] = validator.baseErrorClass(msg)
+        for entry in incorrect_sections:
+            ret_true = False
+            if not preserve_errors:
+                out[entry] = False
+            else:
+                ret_false = False
+                msg = 'Section %r was provided as a single value' % entry
+                out[entry] = validator.baseErrorClass(msg)
+                
+        # Missing sections will have been created as empty ones when the
+        # configspec was read.
+        for entry in section.sections:
+            # FIXME: this means DEFAULT is not copied in copy mode
+            if section is self and entry == 'DEFAULT':
+                continue
+            if section[entry].configspec is None:
+                unvalidated.append(entry)
+                continue
+            if copy:
+                section.comments[entry] = configspec.comments.get(entry, [])
+                section.inline_comments[entry] = configspec.inline_comments.get(entry, '')
+            check = self.validate(validator, preserve_errors=preserve_errors, copy=copy, section=section[entry])
+            out[entry] = check
+            if check == False:
+                ret_true = False
+            elif check == True:
+                ret_false = False
+            else:
+                ret_true = False
+        
+        section.extra_values = unvalidated
+        if preserve_errors and not section._created:
+            # If the section wasn't created (i.e. it wasn't missing)
+            # then we can't return False, we need to preserve errors
+            ret_false = False
+        #
+        if ret_false and preserve_errors and out:
+            # If we are preserving errors, but all
+            # the failures are from missing sections / values
+            # then we can return False. Otherwise there is a
+            # real failure that we need to preserve.
+            ret_false = not any(out.values())
+        if ret_true:
+            return True
+        elif ret_false:
+            return False
+        return out
+
+
+    def reset(self):
+        """Clear ConfigObj instance and restore to 'freshly created' state."""
+        self.clear()
+        self._initialise()
+        # FIXME: Should be done by '_initialise', but ConfigObj constructor (and reload)
+        #        requires an empty dictionary
+        self.configspec = None
+        # Just to be sure ;-)
+        self._original_configspec = None
+        
+        
+    def reload(self):
+        """
+        Reload a ConfigObj from file.
+        
+        This method raises a ``ReloadError`` if the ConfigObj doesn't have
+        a filename attribute pointing to a file.
+        """
+        if not isinstance(self.filename, basestring):
+            raise ReloadError()
+
+        filename = self.filename
+        current_options = {}
+        for entry in OPTION_DEFAULTS:
+            if entry == 'configspec':
+                continue
+            current_options[entry] = getattr(self, entry)
+            
+        configspec = self._original_configspec
+        current_options['configspec'] = configspec
+            
+        self.clear()
+        self._initialise(current_options)
+        self._load(filename, configspec)
+        
+
+
+class SimpleVal(object):
+    """
+    A simple validator.
+    Can be used to check that all members expected are present.
+    
+    To use it, provide a configspec with all your members in (the value given
+    will be ignored). Pass an instance of ``SimpleVal`` to the ``validate``
+    method of your ``ConfigObj``. ``validate`` will return ``True`` if all
+    members are present, or a dictionary with True/False meaning
+    present/missing. (Whole missing sections will be replaced with ``False``)
+    """
+    
+    def __init__(self):
+        self.baseErrorClass = ConfigObjError
+    
+    def check(self, check, member, missing=False):
+        """A dummy check method, always returns the value unchanged."""
+        if missing:
+            raise self.baseErrorClass()
+        return member
+
+
+def flatten_errors(cfg, res, levels=None, results=None):
+    """
+    An example function that will turn a nested dictionary of results
+    (as returned by ``ConfigObj.validate``) into a flat list.
+    
+    ``cfg`` is the ConfigObj instance being checked, ``res`` is the results
+    dictionary returned by ``validate``.
+    
+    (This is a recursive function, so you shouldn't use the ``levels`` or
+    ``results`` arguments - they are used by the function.)
+    
+    Returns a list of keys that failed. Each member of the list is a tuple::
+    
+        ([list of sections...], key, result)
+    
+    If ``validate`` was called with ``preserve_errors=False`` (the default)
+    then ``result`` will always be ``False``.
+
+    *list of sections* is a flattened list of sections that the key was found
+    in.
+    
+    If the section was missing (or a section was expected and a scalar provided
+    - or vice-versa) then key will be ``None``.
+    
+    If the value (or section) was missing then ``result`` will be ``False``.
+    
+    If ``validate`` was called with ``preserve_errors=True`` and a value
+    was present, but failed the check, then ``result`` will be the exception
+    object returned. You can use this as a string that describes the failure.
+    
+    For example *The value "3" is of the wrong type*.
+    """
+    if levels is None:
+        # first time called
+        levels = []
+        results = []
+    if res == True:
+        return results
+    if res == False or isinstance(res, Exception):
+        results.append((levels[:], None, res))
+        if levels:
+            levels.pop()
+        return results
+    for (key, val) in res.items():
+        if val == True:
+            continue
+        if isinstance(cfg.get(key), dict):
+            # Go down one level
+            levels.append(key)
+            flatten_errors(cfg[key], val, levels, results)
+            continue
+        results.append((levels[:], key, val))
+    #
+    # Go up one level
+    if levels:
+        levels.pop()
+    #
+    return results
+
+
+def get_extra_values(conf, _prepend=()):
+    """
+    Find all the values and sections not in the configspec from a validated
+    ConfigObj.
+    
+    ``get_extra_values`` returns a list of tuples where each tuple represents
+    either an extra section, or an extra value.
+    
+    The tuples contain two values, a tuple representing the section the value 
+    is in and the name of the extra values. For extra values in the top level
+    section the first member will be an empty tuple. For values in the 'foo'
+    section the first member will be ``('foo',)``. For members in the 'bar'
+    subsection of the 'foo' section the first member will be ``('foo', 'bar')``.
+    
+    NOTE: If you call ``get_extra_values`` on a ConfigObj instance that hasn't
+    been validated it will return an empty list.
+    """
+    out = []
+    
+    out.extend([(_prepend, name) for name in conf.extra_values])
+    for name in conf.sections:
+        if name not in conf.extra_values:
+            out.extend(get_extra_values(conf[name], _prepend + (name,)))
+    return out
+
+
+"""*A programming language is a medium of expression.* - Paul Graham"""
diff --git a/python/pkg/cdec/sa/__init__.py b/python/pkg/cdec/sa/__init__.py
new file mode 100644
index 00000000..fd4a4148
--- /dev/null
+++ b/python/pkg/cdec/sa/__init__.py
@@ -0,0 +1,4 @@
+from cdec.sa._sa import sym_fromstring,\
+        SuffixArray, DataArray, LCP, Precomputation, Alignment, BiLex,\
+        HieroCachingRuleFactory, Sampler
+from cdec.sa.extractor import GrammarExtractor
diff --git a/python/pkg/cdec/sa/compile.py b/python/pkg/cdec/sa/compile.py
new file mode 100644
index 00000000..30e605a6
--- /dev/null
+++ b/python/pkg/cdec/sa/compile.py
@@ -0,0 +1,94 @@
+#!/usr/bin/env python
+import argparse
+import os
+import logging
+import cdec.configobj
+import cdec.sa
+
+MAX_PHRASE_LENGTH = 4
+def precompute(f_sa, max_len, max_nt, max_size, min_gap, rank1, rank2):
+    lcp = cdec.sa.LCP(f_sa)
+    stats = sorted(lcp.compute_stats(MAX_PHRASE_LENGTH), reverse=True)
+    precomp = cdec.sa.Precomputation(from_stats=stats,
+            fsarray=f_sa,
+            precompute_rank=rank1,
+            precompute_secondary_rank=rank2,
+            max_length=max_len,
+            max_nonterminals=max_nt,
+            train_max_initial_size=max_size,
+            train_min_gap_size=min_gap)
+    return precomp
+
+def main():
+    logging.basicConfig(level=logging.INFO)
+    logger = logging.getLogger('cdec.sa.compile')
+    parser = argparse.ArgumentParser(description='Compile a corpus into a suffix array.')
+    parser.add_argument('--maxnt', '-n', type=int, default=2,
+                        help='Maximum number of non-terminal symbols')
+    parser.add_argument('--maxlen', '-l', type=int, default=5,
+                        help='Maximum number of terminals')
+    parser.add_argument('--maxsize', '-s', type=int, default=15,
+                        help='Maximum rule span')
+    parser.add_argument('--mingap', '-g', type=int, default=1,
+                        help='Minimum gap size')
+    parser.add_argument('--rank1', '-r1', type=int, default=100,
+                        help='Number of pre-computed frequent patterns')
+    parser.add_argument('--rank2', '-r2', type=int, default=10,
+                        help='Number of pre-computed super-frequent patterns)')
+    parser.add_argument('-c', '--config', default='/dev/stdout',
+                        help='Output configuration')
+    parser.add_argument('-o', '--output', required=True,
+                        help='Output path')
+    parser.add_argument('-f', '--source', required=True,
+                        help='Source language corpus')
+    parser.add_argument('-e', '--target', required=True,
+                        help='Target language corpus')
+    parser.add_argument('-a', '--alignment', required=True,
+                        help='Bitext word alignment')
+    args = parser.parse_args()
+
+    param_names = ("max_len", "max_nt", "max_size", "min_gap", "rank1", "rank2")
+    params = (args.maxlen, args.maxnt, args.maxsize, args.mingap, args.rank1, args.rank2)
+
+    if not os.path.exists(args.output):
+        os.mkdir(args.output)
+
+    f_sa_bin = os.path.join(args.output, 'f.sa.bin')
+    e_bin = os.path.join(args.output, 'e.bin')
+    precomp_file = 'precomp.{0}.{1}.{2}.{3}.{4}.{5}.bin'.format(*params)
+    precomp_bin = os.path.join(args.output, precomp_file)
+    a_bin = os.path.join(args.output, 'a.bin')
+    lex_bin = os.path.join(args.output, 'lex.bin')
+
+    logger.info('Compiling source suffix array')
+    f_sa = cdec.sa.SuffixArray(from_text=args.source)
+    f_sa.write_binary(f_sa_bin)
+
+    logger.info('Compiling target data array')
+    e = cdec.sa.DataArray(from_text=args.target)
+    e.write_binary(e_bin)
+
+    logger.info('Precomputing frequent phrases')
+    precompute(f_sa, *params).write_binary(precomp_bin)
+
+    logger.info('Compiling alignment')
+    a = cdec.sa.Alignment(from_text=args.alignment)
+    a.write_binary(a_bin)
+
+    logger.info('Compiling bilexical dictionary')
+    lex = cdec.sa.BiLex(from_data=True, alignment=a, earray=e, fsarray=f_sa)
+    lex.write_binary(lex_bin)
+    
+    # Write configuration
+    config = cdec.configobj.ConfigObj(args.config, unrepr=True)
+    config['f_sa_file'] = f_sa_bin
+    config['e_file'] = e_bin
+    config['a_file'] = a_bin
+    config['lex_file'] = lex_bin
+    config['precompute_file'] = precomp_bin
+    for name, value in zip(param_names, params):
+        config[name] = value
+    config.write()
+
+if __name__ == '__main__':
+    main()
diff --git a/python/pkg/cdec/sa/extract.py b/python/pkg/cdec/sa/extract.py
new file mode 100644
index 00000000..918aa3bb
--- /dev/null
+++ b/python/pkg/cdec/sa/extract.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+import sys
+import os
+import argparse
+import logging
+import cdec.sa
+
+def main():
+    logging.basicConfig(level=logging.INFO)
+    parser = argparse.ArgumentParser(description='Extract grammars from a compiled corpus.')
+    parser.add_argument('-c', '--config', required=True,
+                        help='Extractor configuration')
+    parser.add_argument('-g', '--grammars', required=True,
+                        help='Grammar output path')
+    args = parser.parse_args()
+
+    if not os.path.exists(args.grammars):
+        os.mkdir(args.grammars)
+
+    extractor = cdec.sa.GrammarExtractor(args.config)
+    for i, sentence in enumerate(sys.stdin):
+        sentence = sentence[:-1]
+        grammar_file = os.path.join(args.grammars, 'grammar.{0}'.format(i))
+        with open(grammar_file, 'w') as output:
+            for rule in extractor.grammar(sentence):
+                output.write(str(rule)+'\n')
+        grammar_file = os.path.abspath(grammar_file)
+        print('<seg grammar="{0}">{1}</seg>'.format(grammar_file, sentence))
+
+if __name__ == '__main__':
+    main()
diff --git a/python/pkg/cdec/sa/extractor.py b/python/pkg/cdec/sa/extractor.py
new file mode 100644
index 00000000..bb912e16
--- /dev/null
+++ b/python/pkg/cdec/sa/extractor.py
@@ -0,0 +1,78 @@
+from itertools import chain
+import os
+import cdec.configobj
+from cdec.sa.features import EgivenFCoherent, SampleCountF, CountEF,\
+        MaxLexEgivenF, MaxLexFgivenE, IsSingletonF, IsSingletonFE
+import cdec.sa
+
+# maximum span of a grammar rule in TEST DATA
+MAX_INITIAL_SIZE = 15
+
+class GrammarExtractor:
+    def __init__(self, config):
+        if isinstance(config, str) or isinstance(config, unicode):
+            if not os.path.exists(config):
+                raise IOError('cannot read configuration from {0}'.format(config))
+            config = cdec.configobj.ConfigObj(config, unrepr=True)
+        alignment = cdec.sa.Alignment(from_binary=config['a_file'])
+        self.factory = cdec.sa.HieroCachingRuleFactory(
+                # compiled alignment object (REQUIRED)
+                alignment,
+                # name of generic nonterminal used by Hiero
+                category="[X]",
+                # maximum number of contiguous chunks of terminal symbols in RHS of a rule
+                max_chunks=config['max_nt']+1,
+                # maximum span of a grammar rule in TEST DATA
+                max_initial_size=MAX_INITIAL_SIZE,
+                # maximum number of symbols (both T and NT) allowed in a rule
+                max_length=config['max_len'],
+                # maximum number of nonterminals allowed in a rule (set >2 at your own risk)
+                max_nonterminals=config['max_nt'],
+                # maximum number of contiguous chunks of terminal symbols
+                # in target-side RHS of a rule.
+                max_target_chunks=config['max_nt']+1,
+                # maximum number of target side symbols (both T and NT) allowed in a rule.
+                max_target_length=MAX_INITIAL_SIZE,
+                # minimum span of a nonterminal in the RHS of a rule in TEST DATA
+                min_gap_size=1,
+                # filename of file containing precomputed collocations
+                precompute_file=config['precompute_file'],
+                # maximum frequency rank of patterns used to compute triples (< 20)
+                precompute_secondary_rank=config['rank2'],
+                # maximum frequency rank of patterns used to compute collocations (< 300)
+                precompute_rank=config['rank1'],
+                # require extracted rules to have at least one aligned word
+                require_aligned_terminal=True,
+                # require each contiguous chunk of extracted rules
+                # to have at least one aligned word
+                require_aligned_chunks=False,
+                # maximum span of a grammar rule extracted from TRAINING DATA
+                train_max_initial_size=config['max_size'],
+                # minimum span of an RHS nonterminal in a rule extracted from TRAINING DATA
+                train_min_gap_size=config['min_gap'],
+                # True if phrases should be tight, False otherwise (better but slower)
+                tight_phrases=True,
+                )
+
+        # lexical weighting tables
+        tt = cdec.sa.BiLex(from_binary=config['lex_file'])
+
+        self.models = (EgivenFCoherent, SampleCountF, CountEF, 
+                MaxLexFgivenE(tt), MaxLexEgivenF(tt), IsSingletonF, IsSingletonFE)
+
+        fsarray = cdec.sa.SuffixArray(from_binary=config['f_sa_file'])
+        edarray = cdec.sa.DataArray(from_binary=config['e_file'])
+
+        # lower=faster, higher=better; improvements level off above 200-300 range,
+        # -1 = don't sample, use all data (VERY SLOW!)
+        sampler = cdec.sa.Sampler(300, fsarray)
+
+        self.factory.configure(fsarray, edarray, sampler)
+
+    def grammar(self, sentence):
+        if isinstance(sentence, unicode):
+            sentence = sentence.encode('utf8')
+        cnet = chain(('<s>',), sentence.split(), ('</s>',))
+        cnet = (cdec.sa.sym_fromstring(word, terminal=True) for word in cnet)
+        cnet = tuple(((word, None, 1), ) for word in cnet)
+        return self.factory.input(cnet, self.models)
diff --git a/python/pkg/cdec/sa/features.py b/python/pkg/cdec/sa/features.py
new file mode 100644
index 00000000..325b9e13
--- /dev/null
+++ b/python/pkg/cdec/sa/features.py
@@ -0,0 +1,57 @@
+from __future__ import division
+import math
+
+MAXSCORE = 99
+
+def EgivenF(fphrase, ephrase, paircount, fcount, fsample_count): # p(e|f)
+    return -math.log10(paircount/fcount)
+
+def CountEF(fphrase, ephrase, paircount, fcount, fsample_count):
+    return math.log10(1 + paircount)
+
+def SampleCountF(fphrase, ephrase, paircount, fcount, fsample_count):
+    return math.log10(1 + fsample_count)
+
+def EgivenFCoherent(fphrase, ephrase, paircount, fcount, fsample_count):
+    prob = paircount/fsample_count
+    return -math.log10(prob) if prob > 0 else MAXSCORE
+
+def CoherenceProb(fphrase, ephrase, paircount, fcount, fsample_count):
+    return -math.log10(fcount/fsample_count)
+
+def MaxLexEgivenF(ttable):
+    def feature(fphrase, ephrase, paircount, fcount, fsample_count):
+        fwords = fphrase.words
+        fwords.append('NULL')
+        def score():
+            for e in ephrase.words:
+              maxScore = max(ttable.get_score(f, e, 0) for f in fwords)
+              yield -math.log10(maxScore) if maxScore > 0 else MAXSCORE
+        return sum(score())
+    return feature
+
+def MaxLexFgivenE(ttable):
+    def feature(fphrase, ephrase, paircount, fcount, fsample_count):
+        ewords = ephrase.words
+        ewords.append('NULL')
+        def score():
+            for f in fphrase.words:
+              maxScore = max(ttable.get_score(f, e, 1) for e in ewords)
+              yield -math.log10(maxScore) if maxScore > 0 else MAXSCORE
+        return sum(score())
+    return feature
+
+def IsSingletonF(fphrase, ephrase, paircount, fcount, fsample_count):
+    return (fcount == 1)
+
+def IsSingletonFE(fphrase, ephrase, paircount, fcount, fsample_count):
+    return (paircount == 1)
+
+def IsNotSingletonF(fphrase, ephrase, paircount, fcount, fsample_count):
+    return (fcount > 1)
+
+def IsNotSingletonFE(fphrase, ephrase, paircount, fcount, fsample_count):
+    return (paircount > 1)
+
+def IsFEGreaterThanZero(fphrase, ephrase, paircount, fcount, fsample_count):
+    return (paircount > 0.01)
diff --git a/python/pkg/cdec/score.py b/python/pkg/cdec/score.py
new file mode 100644
index 00000000..22257774
--- /dev/null
+++ b/python/pkg/cdec/score.py
@@ -0,0 +1 @@
+from _cdec import BLEU, TER, CER, Metric
diff --git a/python/setup.py b/python/setup.py
index 1d1d7e45..7be976e8 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -48,5 +48,6 @@ setup(
     name='cdec',
     ext_modules=ext_modules,
     requires=['configobj'],
-    packages=['cdec', 'cdec.sa']
+    packages=['cdec', 'cdec.sa'],
+    package_dir={'': 'pkg'}
 )
diff --git a/python/src/sa/_sa.c b/python/src/sa/_sa.c
index 34f170bf..b7f3627a 100644
--- a/python/src/sa/_sa.c
+++ b/python/src/sa/_sa.c
@@ -1,4 +1,4 @@
-/* Generated by Cython 0.17.beta1 on Fri Jul 27 22:15:31 2012 */
+/* Generated by Cython 0.17.beta1 on Fri Jul 27 23:31:04 2012 */
 
 #define PY_SSIZE_T_CLEAN
 #include "Python.h"
@@ -2013,7 +2013,7 @@ static int __pyx_pf_3_sa_8Alphabet___cinit__(struct __pyx_obj_3_sa_Alphabet *__p
 static void __pyx_pf_3_sa_8Alphabet_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_3_sa_8Alphabet_9terminals___get__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_3_sa_8Alphabet_12nonterminals___get__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_3_sa_2sym_fromstring(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_string, int __pyx_v_terminal); /* proto */
+static PyObject *__pyx_pf_3_sa_2sym_fromstring(CYTHON_UNUSED PyObject *__pyx_self, char *__pyx_v_string, int __pyx_v_terminal); /* proto */
 static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_words); /* proto */
 static void __pyx_pf_3_sa_6Phrase_2__dealloc__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_3_sa_6Phrase_4__str__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
@@ -21750,7 +21750,7 @@ static int __pyx_f_3_sa_sym_setindex(int __pyx_v_sym, int __pyx_v_id) {
  * cdef int sym_setindex(int sym, int id):
  *     return ALPHABET.setindex(sym, id)             # <<<<<<<<<<<<<<
  * 
- * def sym_fromstring(bytes string, bint terminal):
+ * def sym_fromstring(char* string, bint terminal):
  */
   __pyx_r = ((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_3_sa_ALPHABET->__pyx_vtab)->setindex(__pyx_v_3_sa_ALPHABET, __pyx_v_sym, __pyx_v_id);
   goto __pyx_L0;
@@ -21765,7 +21765,7 @@ static int __pyx_f_3_sa_sym_setindex(int __pyx_v_sym, int __pyx_v_id) {
 static PyObject *__pyx_pw_3_sa_3sym_fromstring(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
 static PyMethodDef __pyx_mdef_3_sa_3sym_fromstring = {__Pyx_NAMESTR("sym_fromstring"), (PyCFunction)__pyx_pw_3_sa_3sym_fromstring, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)};
 static PyObject *__pyx_pw_3_sa_3sym_fromstring(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
-  PyObject *__pyx_v_string = 0;
+  char *__pyx_v_string;
   int __pyx_v_terminal;
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
@@ -21802,7 +21802,7 @@ static PyObject *__pyx_pw_3_sa_3sym_fromstring(PyObject *__pyx_self, PyObject *_
       values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
       values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
     }
-    __pyx_v_string = ((PyObject*)values[0]);
+    __pyx_v_string = PyBytes_AsString(values[0]); if (unlikely((!__pyx_v_string) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     __pyx_v_terminal = __Pyx_PyObject_IsTrue(values[1]); if (unlikely((__pyx_v_terminal == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   }
   goto __pyx_L4_argument_unpacking_done;
@@ -21813,12 +21813,7 @@ static PyObject *__pyx_pw_3_sa_3sym_fromstring(PyObject *__pyx_self, PyObject *_
   __Pyx_RefNannyFinishContext();
   return NULL;
   __pyx_L4_argument_unpacking_done:;
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_string), (&PyBytes_Type), 1, "string", 1))) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_r = __pyx_pf_3_sa_2sym_fromstring(__pyx_self, __pyx_v_string, __pyx_v_terminal);
-  goto __pyx_L0;
-  __pyx_L1_error:;
-  __pyx_r = NULL;
-  __pyx_L0:;
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
@@ -21826,15 +21821,14 @@ static PyObject *__pyx_pw_3_sa_3sym_fromstring(PyObject *__pyx_self, PyObject *_
 /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":104
  *     return ALPHABET.setindex(sym, id)
  * 
- * def sym_fromstring(bytes string, bint terminal):             # <<<<<<<<<<<<<<
+ * def sym_fromstring(char* string, bint terminal):             # <<<<<<<<<<<<<<
  *     return ALPHABET.fromstring(string, terminal)
  */
 
-static PyObject *__pyx_pf_3_sa_2sym_fromstring(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_string, int __pyx_v_terminal) {
+static PyObject *__pyx_pf_3_sa_2sym_fromstring(CYTHON_UNUSED PyObject *__pyx_self, char *__pyx_v_string, int __pyx_v_terminal) {
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
-  char *__pyx_t_1;
-  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_1 = NULL;
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
@@ -21842,21 +21836,20 @@ static PyObject *__pyx_pf_3_sa_2sym_fromstring(CYTHON_UNUSED PyObject *__pyx_sel
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":105
  * 
- * def sym_fromstring(bytes string, bint terminal):
+ * def sym_fromstring(char* string, bint terminal):
  *     return ALPHABET.fromstring(string, terminal)             # <<<<<<<<<<<<<<
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = PyBytes_AsString(((PyObject *)__pyx_v_string)); if (unlikely((!__pyx_t_1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_2 = PyInt_FromLong(((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_3_sa_ALPHABET->__pyx_vtab)->fromstring(__pyx_v_3_sa_ALPHABET, __pyx_t_1, __pyx_v_terminal)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_2);
-  __pyx_r = __pyx_t_2;
-  __pyx_t_2 = 0;
+  __pyx_t_1 = PyInt_FromLong(((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_3_sa_ALPHABET->__pyx_vtab)->fromstring(__pyx_v_3_sa_ALPHABET, __pyx_v_string, __pyx_v_terminal)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
   goto __pyx_L0;
 
   __pyx_r = Py_None; __Pyx_INCREF(Py_None);
   goto __pyx_L0;
   __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_1);
   __Pyx_AddTraceback("_sa.sym_fromstring", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __pyx_L0:;
@@ -60511,7 +60504,7 @@ static int __Pyx_InitCachedConstants(void) {
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":104
  *     return ALPHABET.setindex(sym, id)
  * 
- * def sym_fromstring(bytes string, bint terminal):             # <<<<<<<<<<<<<<
+ * def sym_fromstring(char* string, bint terminal):             # <<<<<<<<<<<<<<
  *     return ALPHABET.fromstring(string, terminal)
  */
   __pyx_k_tuple_137 = PyTuple_New(2); if (unlikely(!__pyx_k_tuple_137)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -60933,7 +60926,7 @@ PyMODINIT_FUNC PyInit__sa(void)
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":104
  *     return ALPHABET.setindex(sym, id)
  * 
- * def sym_fromstring(bytes string, bint terminal):             # <<<<<<<<<<<<<<
+ * def sym_fromstring(char* string, bint terminal):             # <<<<<<<<<<<<<<
  *     return ALPHABET.fromstring(string, terminal)
  */
   __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_3sym_fromstring, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
diff --git a/python/src/sa/sym.pxi b/python/src/sa/sym.pxi
index 4b41886f..132925f6 100644
--- a/python/src/sa/sym.pxi
+++ b/python/src/sa/sym.pxi
@@ -101,5 +101,5 @@ cdef int sym_getindex(int sym):
 cdef int sym_setindex(int sym, int id):
     return ALPHABET.setindex(sym, id)
 
-def sym_fromstring(bytes string, bint terminal):
+def sym_fromstring(char* string, bint terminal):
     return ALPHABET.fromstring(string, terminal)
-- 
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