Merge branch 'master' of https://github.com/redpony/cdec

14 files changed, 914 insertions, 799 deletions

diff --git a/decoder/cdec_ff.cc b/decoder/cdec_ff.cc
index d586c1d1..b2541722 100644
--- a/decoder/cdec_ff.cc
+++ b/decoder/cdec_ff.cc
@@ -45,6 +45,7 @@ void register_feature_functions() {
   ff_registry.Register("NgramFeatures", new FFFactory<NgramDetector>());
   ff_registry.Register("RuleContextFeatures", new FFFactory<RuleContextFeatures>());
   ff_registry.Register("RuleIdentityFeatures", new FFFactory<RuleIdentityFeatures>());
+  ff_registry.Register("RuleWordAlignmentFeatures", new FFFactory<RuleWordAlignmentFeatures>());
   ff_registry.Register("ParseMatchFeatures", new FFFactory<ParseMatchFeatures>);
   ff_registry.Register("SoftSyntaxFeatures", new FFFactory<SoftSyntaxFeatures>);
   ff_registry.Register("SoftSyntaxFeaturesMindist", new FFFactory<SoftSyntaxFeaturesMindist>);
diff --git a/decoder/ff_rules.cc b/decoder/ff_rules.cc
index 410e083c..7bccf084 100644
--- a/decoder/ff_rules.cc
+++ b/decoder/ff_rules.cc
@@ -12,6 +12,7 @@
 #include "verbose.h"
 #include "tdict.h"
 #include "hg.h"
+#include "trule.h"
 
 using namespace std;
 
@@ -68,6 +69,28 @@ void RuleIdentityFeatures::TraversalFeaturesImpl(const SentenceMetadata& smeta,
   features->add_value(it->second, 1);
 }
 
+RuleWordAlignmentFeatures::RuleWordAlignmentFeatures(const std::string& param) {
+}
+
+void RuleWordAlignmentFeatures::PrepareForInput(const SentenceMetadata& smeta) {
+}
+
+void RuleWordAlignmentFeatures::TraversalFeaturesImpl(const SentenceMetadata& smeta,
+                                         const Hypergraph::Edge& edge,
+                                         const vector<const void*>& ant_contexts,
+                                         SparseVector<double>* features,
+                                         SparseVector<double>* estimated_features,
+                                         void* context) const {
+  const TRule& rule = *edge.rule_;
+  ostringstream os;
+  vector<AlignmentPoint> als = rule.als(); 
+  std::vector<AlignmentPoint>::const_iterator xx = als.begin();
+  for (; xx != als.end(); ++xx) {
+    os << "WA:" <<  TD::Convert(rule.f_[xx->s_]) << ":" << TD::Convert(rule.e_[xx->t_]);
+  }
+  features->add_value(FD::Convert(Escape(os.str())), 1);
+}
+
 RuleSourceBigramFeatures::RuleSourceBigramFeatures(const std::string& param) {
 }
 
diff --git a/decoder/ff_rules.h b/decoder/ff_rules.h
index f210dc65..324d7a39 100644
--- a/decoder/ff_rules.h
+++ b/decoder/ff_rules.h
@@ -24,6 +24,19 @@ class RuleIdentityFeatures : public FeatureFunction {
   mutable std::map<const TRule*, int> rule2_fid_;
 };
 
+class RuleWordAlignmentFeatures : public FeatureFunction {
+ public:
+  RuleWordAlignmentFeatures(const std::string& param);
+ protected:
+  virtual void TraversalFeaturesImpl(const SentenceMetadata& smeta,
+                                     const HG::Edge& edge,
+                                     const std::vector<const void*>& ant_contexts,
+                                     SparseVector<double>* features,
+                                     SparseVector<double>* estimated_features,
+                                     void* context) const;
+  virtual void PrepareForInput(const SentenceMetadata& smeta);
+};
+
 class RuleSourceBigramFeatures : public FeatureFunction {
  public:
   RuleSourceBigramFeatures(const std::string& param);
diff --git a/python/cdec/_cdec.cpp b/python/cdec/_cdec.cpp
index 4ef9bdba..ef203fd9 100644
--- a/python/cdec/_cdec.cpp
+++ b/python/cdec/_cdec.cpp
@@ -1,4 +1,4 @@
-/* Generated by Cython 0.19.1 on Tue Sep 24 13:39:57 2013 */
+/* Generated by Cython 0.19.1 on Fri Nov 15 21:03:05 2013 */
 
 #define PY_SSIZE_T_CLEAN
 #ifndef CYTHON_USE_PYLONG_INTERNALS
@@ -607,7 +607,7 @@ struct __pyx_obj_4cdec_2sa_3_sa_FeatureVector {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":90
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":90
  *         return candidate
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -623,7 +623,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_22___iter__ {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":3
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":3
  * from cython.operator cimport preincrement as pinc
  * 
  * cdef class DenseVector:             # <<<<<<<<<<<<<<
@@ -637,7 +637,7 @@ struct __pyx_obj_4cdec_5_cdec_DenseVector {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":26
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":26
  *             return fmap
  * 
  * cdef class SufficientStats:             # <<<<<<<<<<<<<<
@@ -651,7 +651,7 @@ struct __pyx_obj_4cdec_5_cdec_SufficientStats {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":49
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":49
  *     return TRule(lhs, f, e, scores, a)
  * 
  * cdef class TRule:             # <<<<<<<<<<<<<<
@@ -664,7 +664,7 @@ struct __pyx_obj_4cdec_5_cdec_TRule {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":177
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":177
  *                 _phrase(self.f), _phrase(self.e), scores)
  * 
  * cdef class MRule(TRule):             # <<<<<<<<<<<<<<
@@ -676,7 +676,7 @@ struct __pyx_obj_4cdec_5_cdec_MRule {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":44
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":44
  *         return self.stats.size()
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -693,7 +693,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_21___iter__ {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":176
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":176
  *         out.fields[i] = ss[i]
  * 
  * cdef class Metric:             # <<<<<<<<<<<<<<
@@ -723,7 +723,7 @@ struct __pyx_obj_4cdec_2sa_3_sa_IntList {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":48
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":48
  *         return sparse
  * 
  * cdef class SparseVector:             # <<<<<<<<<<<<<<
@@ -736,7 +736,7 @@ struct __pyx_obj_4cdec_5_cdec_SparseVector {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":216
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":216
  * 
  *     property tail_nodes:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -752,7 +752,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_15___get__ {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":8
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":8
  *     return ' '.join(w.encode('utf8') if isinstance(w, unicode) else str(w) for w in phrase)
  * 
  * cdef class NT:             # <<<<<<<<<<<<<<
@@ -766,7 +766,7 @@ struct __pyx_obj_4cdec_5_cdec_NT {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":3
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":3
  * cimport lattice
  * 
  * cdef class Lattice:             # <<<<<<<<<<<<<<
@@ -802,7 +802,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_23__make_config {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":196
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":196
  *         return vector
  * 
  * cdef class HypergraphEdge:             # <<<<<<<<<<<<<<
@@ -818,7 +818,7 @@ struct __pyx_obj_4cdec_5_cdec_HypergraphEdge {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":5
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":5
  * import cdec.sa._sa as _sa
  * 
  * def _phrase(phrase):             # <<<<<<<<<<<<<<
@@ -831,7 +831,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_2__phrase {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":161
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":161
  * 
  *     property edges:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -865,7 +865,7 @@ struct __pyx_obj_4cdec_2sa_3_sa_Rule {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":63
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":63
  *     def todot(self):
  *         """lattice.todot() -> Representation of the lattice in GraphViz dot format."""
  *         def lines():             # <<<<<<<<<<<<<<
@@ -888,7 +888,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_20_lines {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":121
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":121
  *         return CandidateSet(self)
  * 
  * cdef class Scorer:             # <<<<<<<<<<<<<<
@@ -902,7 +902,7 @@ struct __pyx_obj_4cdec_5_cdec_Scorer {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":246
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":246
  *         raise NotImplemented('comparison not implemented for HypergraphEdge')
  * 
  * cdef class HypergraphNode:             # <<<<<<<<<<<<<<
@@ -917,7 +917,7 @@ struct __pyx_obj_4cdec_5_cdec_HypergraphNode {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":81
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":81
  *             del e_derivations
  * 
  *     def kbest_features(self, size):             # <<<<<<<<<<<<<<
@@ -937,7 +937,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_10_kbest_features {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":21
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":21
  *         return '[%s]' % self.cat
  * 
  * cdef class NTRef:             # <<<<<<<<<<<<<<
@@ -950,7 +950,7 @@ struct __pyx_obj_4cdec_5_cdec_NTRef {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":193
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":193
  *         super(MRule, self).__init__(lhs, rhs, e, scores, None)
  * 
  * cdef class Grammar:             # <<<<<<<<<<<<<<
@@ -963,7 +963,7 @@ struct __pyx_obj_4cdec_5_cdec_Grammar {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":4
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":4
  * cimport kbest
  * 
  * cdef class Hypergraph:             # <<<<<<<<<<<<<<
@@ -991,7 +991,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_24___init__ {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":65
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":65
  *         return result
  * 
  * cdef class CandidateSet:             # <<<<<<<<<<<<<<
@@ -1023,7 +1023,7 @@ struct __pyx_obj_4cdec_2sa_3_sa_FloatList {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":62
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":62
  *             del derivations
  * 
  *     def kbest_trees(self, size):             # <<<<<<<<<<<<<<
@@ -1046,7 +1046,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_9_kbest_trees {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":61
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":61
  *             yield self[i]
  * 
  *     def todot(self):             # <<<<<<<<<<<<<<
@@ -1059,7 +1059,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_19_todot {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":172
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":172
  *             self.rule.get().lhs_ = -TDConvert((<NT> lhs).cat)
  * 
  *     def __str__(self):             # <<<<<<<<<<<<<<
@@ -1072,7 +1072,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_5___str__ {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":100
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":100
  *         self.cs.AddKBestCandidates(hypergraph.hg[0], k, self.scorer.get())
  * 
  * cdef class SegmentEvaluator:             # <<<<<<<<<<<<<<
@@ -1086,7 +1086,7 @@ struct __pyx_obj_4cdec_5_cdec_SegmentEvaluator {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":256
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":260
  * 
  *     property in_edges:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -1119,7 +1119,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_25_genexpr {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":6
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":6
  * 
  * def _phrase(phrase):
  *     return ' '.join(w.encode('utf8') if isinstance(w, unicode) else str(w) for w in phrase)             # <<<<<<<<<<<<<<
@@ -1136,7 +1136,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_3_genexpr {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":97
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":97
  *             del derivations
  * 
  *     def sample(self, unsigned n):             # <<<<<<<<<<<<<<
@@ -1154,7 +1154,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_11_sample {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":49
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":49
  *         return unicode(hypergraph.JoshuaVisualizationString(self.hg[0]).c_str(), 'utf8')
  * 
  *     def kbest(self, size):             # <<<<<<<<<<<<<<
@@ -1173,7 +1173,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_8_kbest {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":167
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":167
  * 
  *     property nodes:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -1206,7 +1206,7 @@ struct __pyx_obj_4cdec_2sa_3_sa_Phrase {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":199
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":199
  *         del self.grammar
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -1225,7 +1225,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_7___iter__ {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":217
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":217
  *             self.grammar.get().SetGrammarName(name)
  * 
  * cdef class TextGrammar(Grammar):             # <<<<<<<<<<<<<<
@@ -1251,7 +1251,7 @@ struct __pyx_obj_4cdec_5_cdec_Decoder {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":12
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":12
  *         return stats
  * 
  * cdef class Candidate:             # <<<<<<<<<<<<<<
@@ -1265,7 +1265,7 @@ struct __pyx_obj_4cdec_5_cdec_Candidate {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":262
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":266
  * 
  *     property out_edges:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -1281,7 +1281,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_17___get__ {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":56
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":56
  *         return unicode(str(self), 'utf8')
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -1297,7 +1297,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_18___iter__ {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":32
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":32
  *         self.vector[0][fid] = value
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -1313,7 +1313,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct____iter__ {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":173
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":173
  * 
  *     def __str__(self):
  *         scores = ' '.join('%s=%s' % feat for feat in self.scores)             # <<<<<<<<<<<<<<
@@ -1330,7 +1330,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_6_genexpr {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":108
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":108
  *             del hypos
  * 
  *     def sample_trees(self, unsigned n):             # <<<<<<<<<<<<<<
@@ -1348,7 +1348,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_12_sample_trees {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":131
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":131
  * 
  *     property a:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -1365,7 +1365,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_4___get__ {
 };
 
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":72
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":72
  *         self.vector.set_value(fid, value)
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -1383,7 +1383,7 @@ struct __pyx_obj_4cdec_5_cdec___pyx_scope_struct_1___iter__ {
 
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":246
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":246
  *         raise NotImplemented('comparison not implemented for HypergraphEdge')
  * 
  * cdef class HypergraphNode:             # <<<<<<<<<<<<<<
@@ -1397,7 +1397,7 @@ struct __pyx_vtabstruct_4cdec_5_cdec_HypergraphNode {
 static struct __pyx_vtabstruct_4cdec_5_cdec_HypergraphNode *__pyx_vtabptr_4cdec_5_cdec_HypergraphNode;
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":196
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":196
  *         return vector
  * 
  * cdef class HypergraphEdge:             # <<<<<<<<<<<<<<
@@ -1462,7 +1462,7 @@ struct __pyx_vtabstruct_4cdec_2sa_3_sa_Phrase {
 static struct __pyx_vtabstruct_4cdec_2sa_3_sa_Phrase *__pyx_vtabptr_4cdec_2sa_3_sa_Phrase;
 
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":4
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":4
  * cimport kbest
  * 
  * cdef class Hypergraph:             # <<<<<<<<<<<<<<
@@ -2086,6 +2086,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_2__richcmp__(struct __py
 static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_5trule___get__(struct __pyx_obj_4cdec_5_cdec_HypergraphEdge *__pyx_v_self); /* proto */
 static int __pyx_pf_4cdec_5_cdec_14HypergraphEdge_5trule_2__set__(struct __pyx_obj_4cdec_5_cdec_HypergraphEdge *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
 static int __pyx_pf_4cdec_5_cdec_14HypergraphEdge_5trule_4__del__(struct __pyx_obj_4cdec_5_cdec_HypergraphEdge *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphNode_2id___get__(struct __pyx_obj_4cdec_5_cdec_HypergraphNode *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphNode_8in_edges___get__(struct __pyx_obj_4cdec_5_cdec_HypergraphNode *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphNode_9out_edges___get__(struct __pyx_obj_4cdec_5_cdec_HypergraphNode *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphNode_4span___get__(struct __pyx_obj_4cdec_5_cdec_HypergraphNode *__pyx_v_self); /* proto */
@@ -2212,7 +2213,7 @@ static char __pyx_k_26[] = "digraph lattice {";
   static char __pyx_k_31[] = "\\\"";
   static char __pyx_k_33[] = "%d [shape=doublecircle]";
 static char __pyx_k_34[] = "}";
-static char __pyx_k_37[] = "/home/mdenkows/cdec/python/cdec/lattice.pxi";
+static char __pyx_k_37[] = "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi";
 static char __pyx_k_38[] = "Lattice.todot.<locals>.lines";
 static char __pyx_k_39[] = "cdec._cdec";
 static char __pyx_k_40[] = "\n";
@@ -2226,8 +2227,8 @@ static char __pyx_k_50[] = "#";
 static char __pyx_k_53[] = "Cannot translate input type %s";
 static char __pyx_k_54[] = "cdec.sa._sa";
 static char __pyx_k_55[] = "*";
-static char __pyx_k_58[] = "/home/mdenkows/cdec/python/cdec/grammar.pxi";
-static char __pyx_k_66[] = "/home/mdenkows/cdec/python/cdec/_cdec.pyx";
+static char __pyx_k_58[] = "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi";
+static char __pyx_k_66[] = "/home/pks/src/cdec-dtrain/python/cdec/_cdec.pyx";
 static char __pyx_k__a[] = "a";
 static char __pyx_k__e[] = "e";
 static char __pyx_k__f[] = "f";
@@ -2664,7 +2665,7 @@ static int __pyx_pw_4cdec_5_cdec_11DenseVector_1__init__(PyObject *__pyx_v_self,
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":7
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":7
  *     cdef bint owned # if True, do not manage memory
  * 
  *     def __init__(self):             # <<<<<<<<<<<<<<
@@ -2681,7 +2682,7 @@ static int __pyx_pf_4cdec_5_cdec_11DenseVector___init__(struct __pyx_obj_4cdec_5
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__init__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":9
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":9
  *     def __init__(self):
  *         """DenseVector() -> Dense weight/feature vector."""
  *         self.vector = new vector[weight_t]()             # <<<<<<<<<<<<<<
@@ -2696,7 +2697,7 @@ static int __pyx_pf_4cdec_5_cdec_11DenseVector___init__(struct __pyx_obj_4cdec_5
   }
   __pyx_v_self->vector = __pyx_t_1;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":10
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":10
  *         """DenseVector() -> Dense weight/feature vector."""
  *         self.vector = new vector[weight_t]()
  *         self.owned = False             # <<<<<<<<<<<<<<
@@ -2724,7 +2725,7 @@ static void __pyx_pw_4cdec_5_cdec_11DenseVector_3__dealloc__(PyObject *__pyx_v_s
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":12
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":12
  *         self.owned = False
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -2737,7 +2738,7 @@ static void __pyx_pf_4cdec_5_cdec_11DenseVector_2__dealloc__(struct __pyx_obj_4c
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":13
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":13
  * 
  *     def __dealloc__(self):
  *         if not self.owned:             # <<<<<<<<<<<<<<
@@ -2747,7 +2748,7 @@ static void __pyx_pf_4cdec_5_cdec_11DenseVector_2__dealloc__(struct __pyx_obj_4c
   __pyx_t_1 = ((!(__pyx_v_self->owned != 0)) != 0);
   if (__pyx_t_1) {
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":14
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":14
  *     def __dealloc__(self):
  *         if not self.owned:
  *             del self.vector             # <<<<<<<<<<<<<<
@@ -2773,7 +2774,7 @@ static Py_ssize_t __pyx_pw_4cdec_5_cdec_11DenseVector_5__len__(PyObject *__pyx_v
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":16
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":16
  *             del self.vector
  * 
  *     def __len__(self):             # <<<<<<<<<<<<<<
@@ -2786,7 +2787,7 @@ static Py_ssize_t __pyx_pf_4cdec_5_cdec_11DenseVector_4__len__(struct __pyx_obj_
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__len__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":17
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":17
  * 
  *     def __len__(self):
  *         return self.vector.size()             # <<<<<<<<<<<<<<
@@ -2826,7 +2827,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_11DenseVector_7__getitem__(PyObject *__py
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":19
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":19
  *         return self.vector.size()
  * 
  *     def __getitem__(self, char* fname):             # <<<<<<<<<<<<<<
@@ -2847,7 +2848,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_11DenseVector_6__getitem__(struct __pyx_o
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__getitem__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":20
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":20
  * 
  *     def __getitem__(self, char* fname):
  *         cdef int fid = FDConvert(fname)             # <<<<<<<<<<<<<<
@@ -2856,7 +2857,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_11DenseVector_6__getitem__(struct __pyx_o
  */
   __pyx_v_fid = FD::Convert(__pyx_v_fname);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":21
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":21
  *     def __getitem__(self, char* fname):
  *         cdef int fid = FDConvert(fname)
  *         if 0 <= fid < self.vector.size():             # <<<<<<<<<<<<<<
@@ -2870,7 +2871,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_11DenseVector_6__getitem__(struct __pyx_o
   __pyx_t_2 = (__pyx_t_1 != 0);
   if (__pyx_t_2) {
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":22
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":22
  *         cdef int fid = FDConvert(fname)
  *         if 0 <= fid < self.vector.size():
  *             return self.vector[0][fid]             # <<<<<<<<<<<<<<
@@ -2887,7 +2888,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_11DenseVector_6__getitem__(struct __pyx_o
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":23
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":23
  *         if 0 <= fid < self.vector.size():
  *             return self.vector[0][fid]
  *         raise KeyError(fname)             # <<<<<<<<<<<<<<
@@ -2949,7 +2950,7 @@ static int __pyx_pw_4cdec_5_cdec_11DenseVector_9__setitem__(PyObject *__pyx_v_se
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":25
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":25
  *         raise KeyError(fname)
  * 
  *     def __setitem__(self, char* fname, float value):             # <<<<<<<<<<<<<<
@@ -2969,7 +2970,7 @@ static int __pyx_pf_4cdec_5_cdec_11DenseVector_8__setitem__(struct __pyx_obj_4cd
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__setitem__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":26
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":26
  * 
  *     def __setitem__(self, char* fname, float value):
  *         cdef int fid = FDConvert(fname)             # <<<<<<<<<<<<<<
@@ -2978,7 +2979,7 @@ static int __pyx_pf_4cdec_5_cdec_11DenseVector_8__setitem__(struct __pyx_obj_4cd
  */
   __pyx_v_fid = FD::Convert(__pyx_v_fname);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":27
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":27
  *     def __setitem__(self, char* fname, float value):
  *         cdef int fid = FDConvert(fname)
  *         if fid < 0: raise KeyError(fname)             # <<<<<<<<<<<<<<
@@ -3004,7 +3005,7 @@ static int __pyx_pf_4cdec_5_cdec_11DenseVector_8__setitem__(struct __pyx_obj_4cd
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":28
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":28
  *         cdef int fid = FDConvert(fname)
  *         if fid < 0: raise KeyError(fname)
  *         if self.vector.size() <= fid:             # <<<<<<<<<<<<<<
@@ -3014,7 +3015,7 @@ static int __pyx_pf_4cdec_5_cdec_11DenseVector_8__setitem__(struct __pyx_obj_4cd
   __pyx_t_1 = ((__pyx_v_self->vector->size() <= __pyx_v_fid) != 0);
   if (__pyx_t_1) {
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":29
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":29
  *         if fid < 0: raise KeyError(fname)
  *         if self.vector.size() <= fid:
  *             self.vector.resize(fid + 1)             # <<<<<<<<<<<<<<
@@ -3026,7 +3027,7 @@ static int __pyx_pf_4cdec_5_cdec_11DenseVector_8__setitem__(struct __pyx_obj_4cd
   }
   __pyx_L4:;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":30
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":30
  *         if self.vector.size() <= fid:
  *             self.vector.resize(fid + 1)
  *         self.vector[0][fid] = value             # <<<<<<<<<<<<<<
@@ -3059,7 +3060,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_11DenseVector_11__iter__(PyObject *__pyx_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":32
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":32
  *         self.vector[0][fid] = value
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -3127,7 +3128,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_11DenseVector_12generator(__pyx_Generator
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":34
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":34
  *     def __iter__(self):
  *         cdef unsigned fid
  *         for fid in range(1, self.vector.size()):             # <<<<<<<<<<<<<<
@@ -3138,7 +3139,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_11DenseVector_12generator(__pyx_Generator
   for (__pyx_t_2 = 1; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_cur_scope->__pyx_v_fid = __pyx_t_2;
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":35
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":35
  *         cdef unsigned fid
  *         for fid in range(1, self.vector.size()):
  *             yield str(FDConvert(fid).c_str()), self.vector[0][fid]             # <<<<<<<<<<<<<<
@@ -3214,7 +3215,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_11DenseVector_14dot(PyObject *__pyx_v_sel
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":37
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":37
  *             yield str(FDConvert(fid).c_str()), self.vector[0][fid]
  * 
  *     def dot(self, SparseVector other):             # <<<<<<<<<<<<<<
@@ -3233,7 +3234,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_11DenseVector_13dot(struct __pyx_obj_4cde
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("dot", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":39
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":39
  *     def dot(self, SparseVector other):
  *         """vector.dot(SparseVector other) -> Dot product of the two vectors."""
  *         return other.dot(self)             # <<<<<<<<<<<<<<
@@ -3282,7 +3283,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_11DenseVector_16tosparse(PyObject *__pyx_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":41
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":41
  *         return other.dot(self)
  * 
  *     def tosparse(self):             # <<<<<<<<<<<<<<
@@ -3300,7 +3301,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_11DenseVector_15tosparse(struct __pyx_obj
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("tosparse", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":43
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":43
  *     def tosparse(self):
  *         """vector.tosparse() -> Equivalent SparseVector."""
  *         cdef SparseVector sparse = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
@@ -3313,7 +3314,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_11DenseVector_15tosparse(struct __pyx_obj
   __pyx_v_sparse = ((struct __pyx_obj_4cdec_5_cdec_SparseVector *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":44
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":44
  *         """vector.tosparse() -> Equivalent SparseVector."""
  *         cdef SparseVector sparse = SparseVector.__new__(SparseVector)
  *         sparse.vector = new FastSparseVector[weight_t]()             # <<<<<<<<<<<<<<
@@ -3322,7 +3323,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_11DenseVector_15tosparse(struct __pyx_obj
  */
   __pyx_v_sparse->vector = new FastSparseVector<weight_t>();
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":45
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":45
  *         cdef SparseVector sparse = SparseVector.__new__(SparseVector)
  *         sparse.vector = new FastSparseVector[weight_t]()
  *         InitSparseVector(self.vector[0], sparse.vector)             # <<<<<<<<<<<<<<
@@ -3331,7 +3332,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_11DenseVector_15tosparse(struct __pyx_obj
  */
   Weights::InitSparseVector((__pyx_v_self->vector[0]), __pyx_v_sparse->vector);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":46
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":46
  *         sparse.vector = new FastSparseVector[weight_t]()
  *         InitSparseVector(self.vector[0], sparse.vector)
  *         return sparse             # <<<<<<<<<<<<<<
@@ -3374,7 +3375,7 @@ static int __pyx_pw_4cdec_5_cdec_12SparseVector_1__init__(PyObject *__pyx_v_self
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":51
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":51
  *     cdef FastSparseVector[weight_t]* vector
  * 
  *     def __init__(self):             # <<<<<<<<<<<<<<
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   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__init__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":53
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":53
  *     def __init__(self):
  *         """SparseVector() -> Sparse feature/weight vector."""
  *         self.vector = new FastSparseVector[weight_t]()             # <<<<<<<<<<<<<<
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   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":55
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":55
  *         self.vector = new FastSparseVector[weight_t]()
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -3422,7 +3423,7 @@ static void __pyx_pf_4cdec_5_cdec_12SparseVector_2__dealloc__(CYTHON_UNUSED stru
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":56
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":56
  * 
  *     def __dealloc__(self):
  *         del self.vector             # <<<<<<<<<<<<<<
@@ -3446,7 +3447,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_5copy(PyObject *__pyx_v_se
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":58
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":58
  *         del self.vector
  * 
  *     def copy(self):             # <<<<<<<<<<<<<<
@@ -3463,7 +3464,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_4copy(struct __pyx_obj_4cd
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("copy", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":60
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":60
  *     def copy(self):
  *         """vector.copy() -> SparseVector copy."""
  *         return self * 1             # <<<<<<<<<<<<<<
@@ -3513,7 +3514,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_7__getitem__(PyObject *__p
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":62
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":62
  *         return self * 1
  * 
  *     def __getitem__(self, char* fname):             # <<<<<<<<<<<<<<
@@ -3533,7 +3534,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_6__getitem__(struct __pyx_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__getitem__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":63
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":63
  * 
  *     def __getitem__(self, char* fname):
  *         cdef int fid = FDConvert(fname)             # <<<<<<<<<<<<<<
@@ -3542,7 +3543,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_6__getitem__(struct __pyx_
  */
   __pyx_v_fid = FD::Convert(__pyx_v_fname);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":64
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":64
  *     def __getitem__(self, char* fname):
  *         cdef int fid = FDConvert(fname)
  *         if fid < 0: raise KeyError(fname)             # <<<<<<<<<<<<<<
@@ -3568,7 +3569,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_6__getitem__(struct __pyx_
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":65
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":65
  *         cdef int fid = FDConvert(fname)
  *         if fid < 0: raise KeyError(fname)
  *         return self.vector.value(fid)             # <<<<<<<<<<<<<<
@@ -3623,7 +3624,7 @@ static int __pyx_pw_4cdec_5_cdec_12SparseVector_9__setitem__(PyObject *__pyx_v_s
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":67
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":67
  *         return self.vector.value(fid)
  * 
  *     def __setitem__(self, char* fname, float value):             # <<<<<<<<<<<<<<
@@ -3643,7 +3644,7 @@ static int __pyx_pf_4cdec_5_cdec_12SparseVector_8__setitem__(struct __pyx_obj_4c
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__setitem__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":68
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":68
  * 
  *     def __setitem__(self, char* fname, float value):
  *         cdef int fid = FDConvert(fname)             # <<<<<<<<<<<<<<
@@ -3652,7 +3653,7 @@ static int __pyx_pf_4cdec_5_cdec_12SparseVector_8__setitem__(struct __pyx_obj_4c
  */
   __pyx_v_fid = FD::Convert(__pyx_v_fname);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":69
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":69
  *     def __setitem__(self, char* fname, float value):
  *         cdef int fid = FDConvert(fname)
  *         if fid < 0: raise KeyError(fname)             # <<<<<<<<<<<<<<
@@ -3678,7 +3679,7 @@ static int __pyx_pf_4cdec_5_cdec_12SparseVector_8__setitem__(struct __pyx_obj_4c
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":70
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":70
  *         cdef int fid = FDConvert(fname)
  *         if fid < 0: raise KeyError(fname)
  *         self.vector.set_value(fid, value)             # <<<<<<<<<<<<<<
@@ -3711,7 +3712,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_11__iter__(PyObject *__pyx
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":72
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":72
  *         self.vector.set_value(fid, value)
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -3779,7 +3780,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_12SparseVector_12generator1(__pyx_Generat
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 72; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":73
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":73
  * 
  *     def __iter__(self):
  *         cdef FastSparseVector[weight_t].const_iterator* it = new FastSparseVector[weight_t].const_iterator(self.vector[0], False)             # <<<<<<<<<<<<<<
@@ -3788,7 +3789,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_12SparseVector_12generator1(__pyx_Generat
  */
   __pyx_cur_scope->__pyx_v_it = new FastSparseVector<weight_t>::const_iterator((__pyx_cur_scope->__pyx_v_self->vector[0]), 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":75
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":75
  *         cdef FastSparseVector[weight_t].const_iterator* it = new FastSparseVector[weight_t].const_iterator(self.vector[0], False)
  *         cdef unsigned i
  *         try:             # <<<<<<<<<<<<<<
@@ -3797,7 +3798,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_12SparseVector_12generator1(__pyx_Generat
  */
   /*try:*/ {
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":76
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":76
  *         cdef unsigned i
  *         try:
  *             for i in range(self.vector.size()):             # <<<<<<<<<<<<<<
@@ -3808,7 +3809,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_12SparseVector_12generator1(__pyx_Generat
     for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
       __pyx_cur_scope->__pyx_v_i = __pyx_t_2;
 
-      /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":77
+      /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":77
  *         try:
  *             for i in range(self.vector.size()):
  *                 yield (str(FDConvert(it[0].ptr().first).c_str()), it[0].ptr().second)             # <<<<<<<<<<<<<<
@@ -3849,7 +3850,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_12SparseVector_12generator1(__pyx_Generat
       __pyx_t_2 = __pyx_cur_scope->__pyx_t_1;
       if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L5;}
 
-      /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":78
+      /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":78
  *             for i in range(self.vector.size()):
  *                 yield (str(FDConvert(it[0].ptr().first).c_str()), it[0].ptr().second)
  *                 pinc(it[0]) # ++it             # <<<<<<<<<<<<<<
@@ -3860,7 +3861,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_12SparseVector_12generator1(__pyx_Generat
     }
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":80
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":80
  *                 pinc(it[0]) # ++it
  *         finally:
  *             del it             # <<<<<<<<<<<<<<
@@ -3922,7 +3923,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_14dot(PyObject *__pyx_v_se
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":82
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":82
  *             del it
  * 
  *     def dot(self, other):             # <<<<<<<<<<<<<<
@@ -3942,7 +3943,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_13dot(struct __pyx_obj_4cd
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("dot", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":84
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":84
  *     def dot(self, other):
  *         """vector.dot(SparseVector/DenseVector other) -> Dot product of the two vectors."""
  *         if isinstance(other, DenseVector):             # <<<<<<<<<<<<<<
@@ -3953,7 +3954,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_13dot(struct __pyx_obj_4cd
   __pyx_t_2 = (__pyx_t_1 != 0);
   if (__pyx_t_2) {
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":85
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":85
  *         """vector.dot(SparseVector/DenseVector other) -> Dot product of the two vectors."""
  *         if isinstance(other, DenseVector):
  *             return self.vector.dot((<DenseVector> other).vector[0])             # <<<<<<<<<<<<<<
@@ -3969,7 +3970,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_13dot(struct __pyx_obj_4cd
     goto __pyx_L3;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":86
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":86
  *         if isinstance(other, DenseVector):
  *             return self.vector.dot((<DenseVector> other).vector[0])
  *         elif isinstance(other, SparseVector):             # <<<<<<<<<<<<<<
@@ -3980,7 +3981,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_13dot(struct __pyx_obj_4cd
   __pyx_t_1 = (__pyx_t_2 != 0);
   if (__pyx_t_1) {
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":87
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":87
  *             return self.vector.dot((<DenseVector> other).vector[0])
  *         elif isinstance(other, SparseVector):
  *             return self.vector.dot((<SparseVector> other).vector[0])             # <<<<<<<<<<<<<<
@@ -3997,7 +3998,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_13dot(struct __pyx_obj_4cd
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":88
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":88
  *         elif isinstance(other, SparseVector):
  *             return self.vector.dot((<SparseVector> other).vector[0])
  *         raise TypeError('cannot take the dot product of %s and SparseVector' % type(other))             # <<<<<<<<<<<<<<
@@ -4051,7 +4052,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_16__richcmp__(PyObject *__
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":90
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":90
  *         raise TypeError('cannot take the dot product of %s and SparseVector' % type(other))
  * 
  *     def __richcmp__(SparseVector x, SparseVector y, int op):             # <<<<<<<<<<<<<<
@@ -4069,7 +4070,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_15__richcmp__(struct __pyx
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__richcmp__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":93
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":93
  *         if op == 2: # ==
  *             return x.vector[0] == y.vector[0]
  *         elif op == 3: # !=             # <<<<<<<<<<<<<<
@@ -4078,7 +4079,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_15__richcmp__(struct __pyx
  */
   switch (__pyx_v_op) {
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":91
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":91
  * 
  *     def __richcmp__(SparseVector x, SparseVector y, int op):
  *         if op == 2: # ==             # <<<<<<<<<<<<<<
@@ -4087,7 +4088,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_15__richcmp__(struct __pyx
  */
     case 2:
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":92
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":92
  *     def __richcmp__(SparseVector x, SparseVector y, int op):
  *         if op == 2: # ==
  *             return x.vector[0] == y.vector[0]             # <<<<<<<<<<<<<<
@@ -4102,7 +4103,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_15__richcmp__(struct __pyx
     goto __pyx_L0;
     break;
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":93
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":93
  *         if op == 2: # ==
  *             return x.vector[0] == y.vector[0]
  *         elif op == 3: # !=             # <<<<<<<<<<<<<<
@@ -4111,7 +4112,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_15__richcmp__(struct __pyx
  */
     case 3:
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":94
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":94
  *             return x.vector[0] == y.vector[0]
  *         elif op == 3: # !=
  *             return not (x == y)             # <<<<<<<<<<<<<<
@@ -4130,7 +4131,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_15__richcmp__(struct __pyx
     break;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":95
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":95
  *         elif op == 3: # !=
  *             return not (x == y)
  *         raise NotImplemented('comparison not implemented for SparseVector')             # <<<<<<<<<<<<<<
@@ -4166,7 +4167,7 @@ static Py_ssize_t __pyx_pw_4cdec_5_cdec_12SparseVector_18__len__(PyObject *__pyx
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":97
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":97
  *         raise NotImplemented('comparison not implemented for SparseVector')
  * 
  *     def __len__(self):             # <<<<<<<<<<<<<<
@@ -4179,7 +4180,7 @@ static Py_ssize_t __pyx_pf_4cdec_5_cdec_12SparseVector_17__len__(struct __pyx_ob
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__len__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":98
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":98
  * 
  *     def __len__(self):
  *         return self.vector.size()             # <<<<<<<<<<<<<<
@@ -4219,7 +4220,7 @@ static int __pyx_pw_4cdec_5_cdec_12SparseVector_20__contains__(PyObject *__pyx_v
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":100
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":100
  *         return self.vector.size()
  * 
  *     def __contains__(self, char* fname):             # <<<<<<<<<<<<<<
@@ -4232,7 +4233,7 @@ static int __pyx_pf_4cdec_5_cdec_12SparseVector_19__contains__(struct __pyx_obj_
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__contains__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":101
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":101
  * 
  *     def __contains__(self, char* fname):
  *         return self.vector.nonzero(FDConvert(fname))             # <<<<<<<<<<<<<<
@@ -4259,7 +4260,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_22__neg__(PyObject *__pyx_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":103
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":103
  *         return self.vector.nonzero(FDConvert(fname))
  * 
  *     def __neg__(self):             # <<<<<<<<<<<<<<
@@ -4277,7 +4278,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_21__neg__(struct __pyx_obj
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__neg__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":104
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":104
  * 
  *     def __neg__(self):
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
@@ -4290,7 +4291,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_21__neg__(struct __pyx_obj
   __pyx_v_result = ((struct __pyx_obj_4cdec_5_cdec_SparseVector *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":105
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":105
  *     def __neg__(self):
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)
  *         result.vector = new FastSparseVector[weight_t](self.vector[0])             # <<<<<<<<<<<<<<
@@ -4299,7 +4300,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_21__neg__(struct __pyx_obj
  */
   __pyx_v_result->vector = new FastSparseVector<weight_t>((__pyx_v_self->vector[0]));
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":106
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":106
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)
  *         result.vector = new FastSparseVector[weight_t](self.vector[0])
  *         result.vector[0] *= -1.0             # <<<<<<<<<<<<<<
@@ -4308,7 +4309,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_21__neg__(struct __pyx_obj
  */
   (__pyx_v_result->vector[0]) *= -1.0;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":107
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":107
  *         result.vector = new FastSparseVector[weight_t](self.vector[0])
  *         result.vector[0] *= -1.0
  *         return result             # <<<<<<<<<<<<<<
@@ -4352,7 +4353,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_24__iadd__(PyObject *__pyx
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":109
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":109
  *         return result
  * 
  *     def __iadd__(SparseVector self, SparseVector other):             # <<<<<<<<<<<<<<
@@ -4365,7 +4366,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_23__iadd__(struct __pyx_ob
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__iadd__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":110
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":110
  * 
  *     def __iadd__(SparseVector self, SparseVector other):
  *         self.vector[0] += other.vector[0]             # <<<<<<<<<<<<<<
@@ -4374,7 +4375,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_23__iadd__(struct __pyx_ob
  */
   (__pyx_v_self->vector[0]) += (__pyx_v_other->vector[0]);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":111
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":111
  *     def __iadd__(SparseVector self, SparseVector other):
  *         self.vector[0] += other.vector[0]
  *         return self             # <<<<<<<<<<<<<<
@@ -4412,7 +4413,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_26__isub__(PyObject *__pyx
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":113
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":113
  *         return self
  * 
  *     def __isub__(SparseVector self, SparseVector other):             # <<<<<<<<<<<<<<
@@ -4425,7 +4426,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_25__isub__(struct __pyx_ob
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__isub__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":114
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":114
  * 
  *     def __isub__(SparseVector self, SparseVector other):
  *         self.vector[0] -= other.vector[0]             # <<<<<<<<<<<<<<
@@ -4434,7 +4435,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_25__isub__(struct __pyx_ob
  */
   (__pyx_v_self->vector[0]) -= (__pyx_v_other->vector[0]);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":115
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":115
  *     def __isub__(SparseVector self, SparseVector other):
  *         self.vector[0] -= other.vector[0]
  *         return self             # <<<<<<<<<<<<<<
@@ -4477,7 +4478,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_28__imul__(PyObject *__pyx
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":117
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":117
  *         return self
  * 
  *     def __imul__(SparseVector self, float scalar):             # <<<<<<<<<<<<<<
@@ -4490,7 +4491,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_27__imul__(struct __pyx_ob
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__imul__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":118
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":118
  * 
  *     def __imul__(SparseVector self, float scalar):
  *         self.vector[0] *= scalar             # <<<<<<<<<<<<<<
@@ -4499,7 +4500,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_27__imul__(struct __pyx_ob
  */
   (__pyx_v_self->vector[0]) *= __pyx_v_scalar;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":119
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":119
  *     def __imul__(SparseVector self, float scalar):
  *         self.vector[0] *= scalar
  *         return self             # <<<<<<<<<<<<<<
@@ -4544,7 +4545,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_30__idiv__(PyObject *__pyx
 }
 #endif /*!(#if PY_MAJOR_VERSION < 3)*/
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":121
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":121
  *         return self
  * 
  *     def __idiv__(SparseVector self, float scalar):             # <<<<<<<<<<<<<<
@@ -4558,7 +4559,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_29__idiv__(struct __pyx_ob
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__idiv__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":122
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":122
  * 
  *     def __idiv__(SparseVector self, float scalar):
  *         self.vector[0] /= scalar             # <<<<<<<<<<<<<<
@@ -4567,7 +4568,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_29__idiv__(struct __pyx_ob
  */
   (__pyx_v_self->vector[0]) /= __pyx_v_scalar;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":123
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":123
  *     def __idiv__(SparseVector self, float scalar):
  *         self.vector[0] /= scalar
  *         return self             # <<<<<<<<<<<<<<
@@ -4607,7 +4608,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_32__add__(PyObject *__pyx_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":125
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":125
  *         return self
  * 
  *     def __add__(SparseVector x, SparseVector y):             # <<<<<<<<<<<<<<
@@ -4625,7 +4626,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_31__add__(struct __pyx_obj
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__add__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":126
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":126
  * 
  *     def __add__(SparseVector x, SparseVector y):
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
@@ -4638,7 +4639,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_31__add__(struct __pyx_obj
   __pyx_v_result = ((struct __pyx_obj_4cdec_5_cdec_SparseVector *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":127
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":127
  *     def __add__(SparseVector x, SparseVector y):
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)
  *         result.vector = new FastSparseVector[weight_t](x.vector[0] + y.vector[0])             # <<<<<<<<<<<<<<
@@ -4647,7 +4648,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_31__add__(struct __pyx_obj
  */
   __pyx_v_result->vector = new FastSparseVector<weight_t>(((__pyx_v_x->vector[0]) + (__pyx_v_y->vector[0])));
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":128
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":128
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)
  *         result.vector = new FastSparseVector[weight_t](x.vector[0] + y.vector[0])
  *         return result             # <<<<<<<<<<<<<<
@@ -4692,7 +4693,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_34__sub__(PyObject *__pyx_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":130
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":130
  *         return result
  * 
  *     def __sub__(SparseVector x, SparseVector y):             # <<<<<<<<<<<<<<
@@ -4710,7 +4711,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_33__sub__(struct __pyx_obj
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__sub__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":131
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":131
  * 
  *     def __sub__(SparseVector x, SparseVector y):
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
@@ -4723,7 +4724,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_33__sub__(struct __pyx_obj
   __pyx_v_result = ((struct __pyx_obj_4cdec_5_cdec_SparseVector *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":132
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":132
  *     def __sub__(SparseVector x, SparseVector y):
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)
  *         result.vector = new FastSparseVector[weight_t](x.vector[0] - y.vector[0])             # <<<<<<<<<<<<<<
@@ -4732,7 +4733,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_33__sub__(struct __pyx_obj
  */
   __pyx_v_result->vector = new FastSparseVector<weight_t>(((__pyx_v_x->vector[0]) - (__pyx_v_y->vector[0])));
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":133
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":133
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)
  *         result.vector = new FastSparseVector[weight_t](x.vector[0] - y.vector[0])
  *         return result             # <<<<<<<<<<<<<<
@@ -4768,7 +4769,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_36__mul__(PyObject *__pyx_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":135
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":135
  *         return result
  * 
  *     def __mul__(x, y):             # <<<<<<<<<<<<<<
@@ -4791,7 +4792,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_35__mul__(PyObject *__pyx_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__mul__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":138
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":138
  *         cdef SparseVector vector
  *         cdef float scalar
  *         if isinstance(x, SparseVector): vector, scalar = x, y             # <<<<<<<<<<<<<<
@@ -4812,7 +4813,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_35__mul__(PyObject *__pyx_
   }
   /*else*/ {
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":139
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":139
  *         cdef float scalar
  *         if isinstance(x, SparseVector): vector, scalar = x, y
  *         else: vector, scalar = y, x             # <<<<<<<<<<<<<<
@@ -4829,7 +4830,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_35__mul__(PyObject *__pyx_
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":140
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":140
  *         if isinstance(x, SparseVector): vector, scalar = x, y
  *         else: vector, scalar = y, x
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
@@ -4842,7 +4843,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_35__mul__(PyObject *__pyx_
   __pyx_v_result = ((struct __pyx_obj_4cdec_5_cdec_SparseVector *)__pyx_t_3);
   __pyx_t_3 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":141
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":141
  *         else: vector, scalar = y, x
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)
  *         result.vector = new FastSparseVector[weight_t](vector.vector[0] * scalar)             # <<<<<<<<<<<<<<
@@ -4851,7 +4852,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_35__mul__(PyObject *__pyx_
  */
   __pyx_v_result->vector = new FastSparseVector<weight_t>(((__pyx_v_vector->vector[0]) * __pyx_v_scalar));
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":142
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":142
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)
  *         result.vector = new FastSparseVector[weight_t](vector.vector[0] * scalar)
  *         return result             # <<<<<<<<<<<<<<
@@ -4890,7 +4891,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12SparseVector_38__div__(PyObject *__pyx_
 }
 #endif /*!(#if PY_MAJOR_VERSION < 3)*/
 
-/* "/home/mdenkows/cdec/python/cdec/vectors.pxi":144
+/* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":144
  *         return result
  * 
  *     def __div__(x, y):             # <<<<<<<<<<<<<<
@@ -4914,7 +4915,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_37__div__(PyObject *__pyx_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__div__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":147
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":147
  *         cdef SparseVector vector
  *         cdef float scalar
  *         if isinstance(x, SparseVector): vector, scalar = x, y             # <<<<<<<<<<<<<<
@@ -4935,7 +4936,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_37__div__(PyObject *__pyx_
   }
   /*else*/ {
 
-    /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":148
+    /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":148
  *         cdef float scalar
  *         if isinstance(x, SparseVector): vector, scalar = x, y
  *         else: vector, scalar = y, x             # <<<<<<<<<<<<<<
@@ -4952,7 +4953,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_37__div__(PyObject *__pyx_
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":149
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":149
  *         if isinstance(x, SparseVector): vector, scalar = x, y
  *         else: vector, scalar = y, x
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
@@ -4965,7 +4966,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_37__div__(PyObject *__pyx_
   __pyx_v_result = ((struct __pyx_obj_4cdec_5_cdec_SparseVector *)__pyx_t_3);
   __pyx_t_3 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":150
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":150
  *         else: vector, scalar = y, x
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)
  *         result.vector = new FastSparseVector[weight_t](vector.vector[0] / scalar)             # <<<<<<<<<<<<<<
@@ -4973,7 +4974,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12SparseVector_37__div__(PyObject *__pyx_
  */
   __pyx_v_result->vector = new FastSparseVector<weight_t>(((__pyx_v_vector->vector[0]) / __pyx_v_scalar));
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":151
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":151
  *         cdef SparseVector result = SparseVector.__new__(SparseVector)
  *         result.vector = new FastSparseVector[weight_t](vector.vector[0] / scalar)
  *         return result             # <<<<<<<<<<<<<<
@@ -5011,7 +5012,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_1_phrase(PyObject *__pyx_self, PyObject *
 }
 static PyObject *__pyx_gb_4cdec_5_cdec_7_phrase_2generator18(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":6
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":6
  * 
  * def _phrase(phrase):
  *     return ' '.join(w.encode('utf8') if isinstance(w, unicode) else str(w) for w in phrase)             # <<<<<<<<<<<<<<
@@ -5177,7 +5178,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7_phrase_2generator18(__pyx_GeneratorObje
   return NULL;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":5
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":5
  * import cdec.sa._sa as _sa
  * 
  * def _phrase(phrase):             # <<<<<<<<<<<<<<
@@ -5206,7 +5207,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec__phrase(CYTHON_UNUSED PyObject *__pyx_sel
   __Pyx_INCREF(__pyx_cur_scope->__pyx_v_phrase);
   __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_phrase);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":6
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":6
  * 
  * def _phrase(phrase):
  *     return ' '.join(w.encode('utf8') if isinstance(w, unicode) else str(w) for w in phrase)             # <<<<<<<<<<<<<<
@@ -5320,7 +5321,7 @@ static int __pyx_pw_4cdec_5_cdec_2NT_1__init__(PyObject *__pyx_v_self, PyObject
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":11
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":11
  *     cdef public bytes cat
  *     cdef public unsigned ref
  *     def __init__(self, bytes cat, unsigned ref=0):             # <<<<<<<<<<<<<<
@@ -5333,7 +5334,7 @@ static int __pyx_pf_4cdec_5_cdec_2NT___init__(struct __pyx_obj_4cdec_5_cdec_NT *
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__init__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":13
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":13
  *     def __init__(self, bytes cat, unsigned ref=0):
  *         """NT(bytes cat, int ref=0) -> Non-terminal from category `cat`."""
  *         self.cat = cat             # <<<<<<<<<<<<<<
@@ -5346,7 +5347,7 @@ static int __pyx_pf_4cdec_5_cdec_2NT___init__(struct __pyx_obj_4cdec_5_cdec_NT *
   __Pyx_DECREF(((PyObject *)__pyx_v_self->cat));
   __pyx_v_self->cat = __pyx_v_cat;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":14
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":14
  *         """NT(bytes cat, int ref=0) -> Non-terminal from category `cat`."""
  *         self.cat = cat
  *         self.ref = ref             # <<<<<<<<<<<<<<
@@ -5371,7 +5372,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_2NT_3__str__(PyObject *__pyx_v_self) {
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":16
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":16
  *         self.ref = ref
  * 
  *     def __str__(self):             # <<<<<<<<<<<<<<
@@ -5390,7 +5391,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_2NT_2__str__(struct __pyx_obj_4cdec_5_cde
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__str__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":17
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":17
  * 
  *     def __str__(self):
  *         if self.ref > 0:             # <<<<<<<<<<<<<<
@@ -5400,7 +5401,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_2NT_2__str__(struct __pyx_obj_4cdec_5_cde
   __pyx_t_1 = ((__pyx_v_self->ref > 0) != 0);
   if (__pyx_t_1) {
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":18
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":18
  *     def __str__(self):
  *         if self.ref > 0:
  *             return '[%s,%d]' % (self.cat, self.ref)             # <<<<<<<<<<<<<<
@@ -5428,7 +5429,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_2NT_2__str__(struct __pyx_obj_4cdec_5_cde
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":19
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":19
  *         if self.ref > 0:
  *             return '[%s,%d]' % (self.cat, self.ref)
  *         return '[%s]' % self.cat             # <<<<<<<<<<<<<<
@@ -5466,7 +5467,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_2NT_3cat_1__get__(PyObject *__pyx_v_self)
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":9
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":9
  * 
  * cdef class NT:
  *     cdef public bytes cat             # <<<<<<<<<<<<<<
@@ -5562,7 +5563,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_2NT_3ref_1__get__(PyObject *__pyx_v_self)
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":10
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":10
  * cdef class NT:
  *     cdef public bytes cat
  *     cdef public unsigned ref             # <<<<<<<<<<<<<<
@@ -5683,7 +5684,7 @@ static int __pyx_pw_4cdec_5_cdec_5NTRef_1__init__(PyObject *__pyx_v_self, PyObje
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":23
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":23
  * cdef class NTRef:
  *     cdef public unsigned ref
  *     def __init__(self, unsigned ref):             # <<<<<<<<<<<<<<
@@ -5696,7 +5697,7 @@ static int __pyx_pf_4cdec_5_cdec_5NTRef___init__(struct __pyx_obj_4cdec_5_cdec_N
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__init__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":25
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":25
  *     def __init__(self, unsigned ref):
  *         """NTRef(int ref) -> Non-terminal reference."""
  *         self.ref = ref             # <<<<<<<<<<<<<<
@@ -5721,7 +5722,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_5NTRef_3__str__(PyObject *__pyx_v_self) {
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":27
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":27
  *         self.ref = ref
  * 
  *     def __str__(self):             # <<<<<<<<<<<<<<
@@ -5739,7 +5740,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5NTRef_2__str__(struct __pyx_obj_4cdec_5_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__str__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":28
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":28
  * 
  *     def __str__(self):
  *         return '[%d]' % self.ref             # <<<<<<<<<<<<<<
@@ -5780,7 +5781,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_5NTRef_3ref_1__get__(PyObject *__pyx_v_se
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":22
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":22
  * 
  * cdef class NTRef:
  *     cdef public unsigned ref             # <<<<<<<<<<<<<<
@@ -5847,7 +5848,7 @@ static int __pyx_pf_4cdec_5_cdec_5NTRef_3ref_2__set__(struct __pyx_obj_4cdec_5_c
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":30
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":30
  *         return '[%d]' % self.ref
  * 
  * cdef TRule convert_rule(_sa.Rule rule):             # <<<<<<<<<<<<<<
@@ -5878,7 +5879,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("convert_rule", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":31
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":31
  * 
  * cdef TRule convert_rule(_sa.Rule rule):
  *     lhs = _sa.sym_tocat(rule.lhs)             # <<<<<<<<<<<<<<
@@ -5887,7 +5888,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
  */
   __pyx_v_lhs = __pyx_f_4cdec_2sa_3_sa_sym_tocat(__pyx_v_rule->lhs);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":32
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":32
  * cdef TRule convert_rule(_sa.Rule rule):
  *     lhs = _sa.sym_tocat(rule.lhs)
  *     scores = dict(rule.scores)             # <<<<<<<<<<<<<<
@@ -5905,7 +5906,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
   __pyx_v_scores = ((PyObject*)__pyx_t_2);
   __pyx_t_2 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":33
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":33
  *     lhs = _sa.sym_tocat(rule.lhs)
  *     scores = dict(rule.scores)
  *     f, e = [], []             # <<<<<<<<<<<<<<
@@ -5921,7 +5922,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
   __pyx_v_e = ((PyObject*)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":34
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":34
  *     scores = dict(rule.scores)
  *     f, e = [], []
  *     cdef int* fsyms = rule.f.syms             # <<<<<<<<<<<<<<
@@ -5931,7 +5932,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
   __pyx_t_3 = __pyx_v_rule->f->syms;
   __pyx_v_fsyms = __pyx_t_3;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":35
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":35
  *     f, e = [], []
  *     cdef int* fsyms = rule.f.syms
  *     for i in range(rule.f.n):             # <<<<<<<<<<<<<<
@@ -5942,7 +5943,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
   for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
     __pyx_v_i = __pyx_t_5;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":36
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":36
  *     cdef int* fsyms = rule.f.syms
  *     for i in range(rule.f.n):
  *         if _sa.sym_isvar(fsyms[i]):             # <<<<<<<<<<<<<<
@@ -5952,7 +5953,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
     __pyx_t_6 = (__pyx_f_4cdec_2sa_3_sa_sym_isvar((__pyx_v_fsyms[__pyx_v_i])) != 0);
     if (__pyx_t_6) {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":37
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":37
  *     for i in range(rule.f.n):
  *         if _sa.sym_isvar(fsyms[i]):
  *             f.append(NT(_sa.sym_tocat(fsyms[i])))             # <<<<<<<<<<<<<<
@@ -5975,7 +5976,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
     }
     /*else*/ {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":39
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":39
  *             f.append(NT(_sa.sym_tocat(fsyms[i])))
  *         else:
  *             f.append(_sa.sym_tostring(fsyms[i]))             # <<<<<<<<<<<<<<
@@ -5990,7 +5991,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
     __pyx_L5:;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":40
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":40
  *         else:
  *             f.append(_sa.sym_tostring(fsyms[i]))
  *     cdef int* esyms = rule.e.syms             # <<<<<<<<<<<<<<
@@ -6000,7 +6001,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
   __pyx_t_3 = __pyx_v_rule->e->syms;
   __pyx_v_esyms = __pyx_t_3;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":41
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":41
  *             f.append(_sa.sym_tostring(fsyms[i]))
  *     cdef int* esyms = rule.e.syms
  *     for i in range(rule.e.n):             # <<<<<<<<<<<<<<
@@ -6011,7 +6012,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
   for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) {
     __pyx_v_i = __pyx_t_5;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":42
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":42
  *     cdef int* esyms = rule.e.syms
  *     for i in range(rule.e.n):
  *         if _sa.sym_isvar(esyms[i]):             # <<<<<<<<<<<<<<
@@ -6021,7 +6022,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
     __pyx_t_6 = (__pyx_f_4cdec_2sa_3_sa_sym_isvar((__pyx_v_esyms[__pyx_v_i])) != 0);
     if (__pyx_t_6) {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":43
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":43
  *     for i in range(rule.e.n):
  *         if _sa.sym_isvar(esyms[i]):
  *             e.append(NTRef(_sa.sym_getindex(esyms[i])))             # <<<<<<<<<<<<<<
@@ -6044,7 +6045,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
     }
     /*else*/ {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":45
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":45
  *             e.append(NTRef(_sa.sym_getindex(esyms[i])))
  *         else:
  *             e.append(_sa.sym_tostring(esyms[i]))             # <<<<<<<<<<<<<<
@@ -6059,7 +6060,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
     __pyx_L8:;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":46
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":46
  *         else:
  *             e.append(_sa.sym_tostring(esyms[i]))
  *     a = list(rule.alignments())             # <<<<<<<<<<<<<<
@@ -6082,7 +6083,7 @@ static struct __pyx_obj_4cdec_5_cdec_TRule *__pyx_f_4cdec_5_cdec_convert_rule(st
   __pyx_v_a = ((PyObject*)__pyx_t_2);
   __pyx_t_2 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":47
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":47
  *             e.append(_sa.sym_tostring(esyms[i]))
  *     a = list(rule.alignments())
  *     return TRule(lhs, f, e, scores, a)             # <<<<<<<<<<<<<<
@@ -6155,7 +6156,7 @@ static int __pyx_pw_4cdec_5_cdec_5TRule_1__init__(PyObject *__pyx_v_self, PyObje
     static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__lhs,&__pyx_n_s__f,&__pyx_n_s__e,&__pyx_n_s__scores,&__pyx_n_s__a,0};
     PyObject* values[5] = {0,0,0,0,0};
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":52
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":52
  *     cdef shared_ptr[grammar.TRule]* rule
  * 
  *     def __init__(self, lhs, f, e, scores, a=None):             # <<<<<<<<<<<<<<
@@ -6244,7 +6245,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule___init__(struct __pyx_obj_4cdec_5_cdec_T
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__init__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":59
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":59
  *         scores: dictionary of feature scores
  *         a: optional list of alignment points"""
  *         self.rule = new shared_ptr[grammar.TRule](new grammar.TRule())             # <<<<<<<<<<<<<<
@@ -6259,7 +6260,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule___init__(struct __pyx_obj_4cdec_5_cdec_T
   }
   __pyx_v_self->rule = new boost::shared_ptr<TRule>(__pyx_t_1);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":60
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":60
  *         a: optional list of alignment points"""
  *         self.rule = new shared_ptr[grammar.TRule](new grammar.TRule())
  *         self.lhs = lhs             # <<<<<<<<<<<<<<
@@ -6268,7 +6269,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule___init__(struct __pyx_obj_4cdec_5_cdec_T
  */
   if (__Pyx_PyObject_SetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s__lhs, __pyx_v_lhs) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":61
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":61
  *         self.rule = new shared_ptr[grammar.TRule](new grammar.TRule())
  *         self.lhs = lhs
  *         self.e = e             # <<<<<<<<<<<<<<
@@ -6277,7 +6278,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule___init__(struct __pyx_obj_4cdec_5_cdec_T
  */
   if (__Pyx_PyObject_SetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s__e, __pyx_v_e) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":62
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":62
  *         self.lhs = lhs
  *         self.e = e
  *         self.f = f             # <<<<<<<<<<<<<<
@@ -6286,7 +6287,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule___init__(struct __pyx_obj_4cdec_5_cdec_T
  */
   if (__Pyx_PyObject_SetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s__f, __pyx_v_f) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":63
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":63
  *         self.e = e
  *         self.f = f
  *         self.scores = scores             # <<<<<<<<<<<<<<
@@ -6295,7 +6296,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule___init__(struct __pyx_obj_4cdec_5_cdec_T
  */
   if (__Pyx_PyObject_SetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s__scores, __pyx_v_scores) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":64
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":64
  *         self.f = f
  *         self.scores = scores
  *         if a:             # <<<<<<<<<<<<<<
@@ -6305,7 +6306,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule___init__(struct __pyx_obj_4cdec_5_cdec_T
   __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_v_a); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__pyx_t_2) {
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":65
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":65
  *         self.scores = scores
  *         if a:
  *             self.a = a             # <<<<<<<<<<<<<<
@@ -6317,7 +6318,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule___init__(struct __pyx_obj_4cdec_5_cdec_T
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":66
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":66
  *         if a:
  *             self.a = a
  *         self.rule.get().ComputeArity()             # <<<<<<<<<<<<<<
@@ -6345,7 +6346,7 @@ static void __pyx_pw_4cdec_5_cdec_5TRule_3__dealloc__(PyObject *__pyx_v_self) {
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":68
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":68
  *         self.rule.get().ComputeArity()
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -6357,7 +6358,7 @@ static void __pyx_pf_4cdec_5_cdec_5TRule_2__dealloc__(CYTHON_UNUSED struct __pyx
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":69
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":69
  * 
  *     def __dealloc__(self):
  *         del self.rule             # <<<<<<<<<<<<<<
@@ -6380,7 +6381,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_5TRule_5arity_1__get__(PyObject *__pyx_v_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":72
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":72
  * 
  *     property arity:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -6397,7 +6398,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_5arity___get__(struct __pyx_obj_4c
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":73
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":73
  *     property arity:
  *         def __get__(self):
  *             return self.rule.get().arity_             # <<<<<<<<<<<<<<
@@ -6434,7 +6435,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_5TRule_1f_1__get__(PyObject *__pyx_v_self
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":76
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":76
  * 
  *     property f:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -6461,7 +6462,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1f___get__(struct __pyx_obj_4cdec_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":77
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":77
  *     property f:
  *         def __get__(self):
  *             cdef vector[WordID]* f_ = &self.rule.get().f_             # <<<<<<<<<<<<<<
@@ -6470,7 +6471,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1f___get__(struct __pyx_obj_4cdec_
  */
   __pyx_v_f_ = (&__pyx_v_self->rule->get()->f_);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":79
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":79
  *             cdef vector[WordID]* f_ = &self.rule.get().f_
  *             cdef WordID w
  *             cdef f = []             # <<<<<<<<<<<<<<
@@ -6482,7 +6483,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1f___get__(struct __pyx_obj_4cdec_
   __pyx_v_f = ((PyObject *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":81
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":81
  *             cdef f = []
  *             cdef unsigned i
  *             cdef int idx = 0             # <<<<<<<<<<<<<<
@@ -6491,7 +6492,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1f___get__(struct __pyx_obj_4cdec_
  */
   __pyx_v_idx = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":82
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":82
  *             cdef unsigned i
  *             cdef int idx = 0
  *             for i in range(f_.size()):             # <<<<<<<<<<<<<<
@@ -6502,7 +6503,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1f___get__(struct __pyx_obj_4cdec_
   for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
     __pyx_v_i = __pyx_t_3;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":83
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":83
  *             cdef int idx = 0
  *             for i in range(f_.size()):
  *                 w = f_[0][i]             # <<<<<<<<<<<<<<
@@ -6511,7 +6512,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1f___get__(struct __pyx_obj_4cdec_
  */
     __pyx_v_w = ((__pyx_v_f_[0])[__pyx_v_i]);
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":84
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":84
  *             for i in range(f_.size()):
  *                 w = f_[0][i]
  *                 if w < 0:             # <<<<<<<<<<<<<<
@@ -6521,7 +6522,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1f___get__(struct __pyx_obj_4cdec_
     __pyx_t_4 = ((__pyx_v_w < 0) != 0);
     if (__pyx_t_4) {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":85
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":85
  *                 w = f_[0][i]
  *                 if w < 0:
  *                     idx += 1             # <<<<<<<<<<<<<<
@@ -6530,7 +6531,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1f___get__(struct __pyx_obj_4cdec_
  */
       __pyx_v_idx = (__pyx_v_idx + 1);
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":86
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":86
  *                 if w < 0:
  *                     idx += 1
  *                     f.append(NT(TDConvert(-w).c_str(), idx))             # <<<<<<<<<<<<<<
@@ -6560,7 +6561,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1f___get__(struct __pyx_obj_4cdec_
     }
     /*else*/ {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":88
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":88
  *                     f.append(NT(TDConvert(-w).c_str(), idx))
  *                 else:
  *                     f.append(unicode(TDConvert(w).c_str(), encoding='utf8'))             # <<<<<<<<<<<<<<
@@ -6589,7 +6590,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1f___get__(struct __pyx_obj_4cdec_
     __pyx_L5:;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":89
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":89
  *                 else:
  *                     f.append(unicode(TDConvert(w).c_str(), encoding='utf8'))
  *             return f             # <<<<<<<<<<<<<<
@@ -6627,7 +6628,7 @@ static int __pyx_pw_4cdec_5_cdec_5TRule_1f_3__set__(PyObject *__pyx_v_self, PyOb
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":91
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":91
  *             return f
  * 
  *         def __set__(self, f):             # <<<<<<<<<<<<<<
@@ -6654,7 +6655,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1f_2__set__(struct __pyx_obj_4cdec_5_cde
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__set__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":92
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":92
  * 
  *         def __set__(self, f):
  *             cdef vector[WordID]* f_ = &self.rule.get().f_             # <<<<<<<<<<<<<<
@@ -6663,7 +6664,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1f_2__set__(struct __pyx_obj_4cdec_5_cde
  */
   __pyx_v_f_ = (&__pyx_v_self->rule->get()->f_);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":93
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":93
  *         def __set__(self, f):
  *             cdef vector[WordID]* f_ = &self.rule.get().f_
  *             f_.resize(len(f))             # <<<<<<<<<<<<<<
@@ -6673,7 +6674,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1f_2__set__(struct __pyx_obj_4cdec_5_cde
   __pyx_t_1 = PyObject_Length(__pyx_v_f); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 93; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_f_->resize(__pyx_t_1);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":95
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":95
  *             f_.resize(len(f))
  *             cdef unsigned i
  *             cdef int idx = 0             # <<<<<<<<<<<<<<
@@ -6682,7 +6683,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1f_2__set__(struct __pyx_obj_4cdec_5_cde
  */
   __pyx_v_idx = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":96
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":96
  *             cdef unsigned i
  *             cdef int idx = 0
  *             for i in range(len(f)):             # <<<<<<<<<<<<<<
@@ -6693,7 +6694,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1f_2__set__(struct __pyx_obj_4cdec_5_cde
   for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_v_i = __pyx_t_2;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":97
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":97
  *             cdef int idx = 0
  *             for i in range(len(f)):
  *                 if isinstance(f[i], NT):             # <<<<<<<<<<<<<<
@@ -6707,7 +6708,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1f_2__set__(struct __pyx_obj_4cdec_5_cde
     __pyx_t_5 = (__pyx_t_4 != 0);
     if (__pyx_t_5) {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":98
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":98
  *             for i in range(len(f)):
  *                 if isinstance(f[i], NT):
  *                     f_[0][i] = -TDConvert((<NT> f[i]).cat)             # <<<<<<<<<<<<<<
@@ -6723,7 +6724,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1f_2__set__(struct __pyx_obj_4cdec_5_cde
     }
     /*else*/ {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":100
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":100
  *                     f_[0][i] = -TDConvert((<NT> f[i]).cat)
  *                 else:
  *                     fi = as_str(f[i])             # <<<<<<<<<<<<<<
@@ -6739,7 +6740,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1f_2__set__(struct __pyx_obj_4cdec_5_cde
       __pyx_v_fi = ((PyObject*)__pyx_t_7);
       __pyx_t_7 = 0;
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":101
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":101
  *                 else:
  *                     fi = as_str(f[i])
  *                     f_[0][i] = TDConvert(fi)             # <<<<<<<<<<<<<<
@@ -6776,7 +6777,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_5TRule_1e_1__get__(PyObject *__pyx_v_self
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":104
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":104
  * 
  *     property e:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -6803,7 +6804,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1e___get__(struct __pyx_obj_4cdec_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":105
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":105
  *     property e:
  *         def __get__(self):
  *             cdef vector[WordID]* e_ = &self.rule.get().e_             # <<<<<<<<<<<<<<
@@ -6812,7 +6813,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1e___get__(struct __pyx_obj_4cdec_
  */
   __pyx_v_e_ = (&__pyx_v_self->rule->get()->e_);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":107
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":107
  *             cdef vector[WordID]* e_ = &self.rule.get().e_
  *             cdef WordID w
  *             cdef e = []             # <<<<<<<<<<<<<<
@@ -6824,7 +6825,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1e___get__(struct __pyx_obj_4cdec_
   __pyx_v_e = ((PyObject *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":109
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":109
  *             cdef e = []
  *             cdef unsigned i
  *             cdef int idx = 0             # <<<<<<<<<<<<<<
@@ -6833,7 +6834,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1e___get__(struct __pyx_obj_4cdec_
  */
   __pyx_v_idx = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":110
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":110
  *             cdef unsigned i
  *             cdef int idx = 0
  *             for i in range(e_.size()):             # <<<<<<<<<<<<<<
@@ -6844,7 +6845,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1e___get__(struct __pyx_obj_4cdec_
   for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
     __pyx_v_i = __pyx_t_3;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":111
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":111
  *             cdef int idx = 0
  *             for i in range(e_.size()):
  *                 w = e_[0][i]             # <<<<<<<<<<<<<<
@@ -6853,7 +6854,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1e___get__(struct __pyx_obj_4cdec_
  */
     __pyx_v_w = ((__pyx_v_e_[0])[__pyx_v_i]);
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":112
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":112
  *             for i in range(e_.size()):
  *                 w = e_[0][i]
  *                 if w < 1:             # <<<<<<<<<<<<<<
@@ -6863,7 +6864,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1e___get__(struct __pyx_obj_4cdec_
     __pyx_t_4 = ((__pyx_v_w < 1) != 0);
     if (__pyx_t_4) {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":113
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":113
  *                 w = e_[0][i]
  *                 if w < 1:
  *                     idx += 1             # <<<<<<<<<<<<<<
@@ -6872,7 +6873,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1e___get__(struct __pyx_obj_4cdec_
  */
       __pyx_v_idx = (__pyx_v_idx + 1);
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":114
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":114
  *                 if w < 1:
  *                     idx += 1
  *                     e.append(NTRef(1-w))             # <<<<<<<<<<<<<<
@@ -6897,7 +6898,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1e___get__(struct __pyx_obj_4cdec_
     }
     /*else*/ {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":116
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":116
  *                     e.append(NTRef(1-w))
  *                 else:
  *                     e.append(unicode(TDConvert(w).c_str(), encoding='utf8'))             # <<<<<<<<<<<<<<
@@ -6926,7 +6927,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_1e___get__(struct __pyx_obj_4cdec_
     __pyx_L5:;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":117
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":117
  *                 else:
  *                     e.append(unicode(TDConvert(w).c_str(), encoding='utf8'))
  *             return e             # <<<<<<<<<<<<<<
@@ -6964,7 +6965,7 @@ static int __pyx_pw_4cdec_5_cdec_5TRule_1e_3__set__(PyObject *__pyx_v_self, PyOb
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":119
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":119
  *             return e
  * 
  *         def __set__(self, e):             # <<<<<<<<<<<<<<
@@ -6991,7 +6992,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1e_2__set__(struct __pyx_obj_4cdec_5_cde
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__set__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":120
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":120
  * 
  *         def __set__(self, e):
  *             cdef vector[WordID]* e_ = &self.rule.get().e_             # <<<<<<<<<<<<<<
@@ -7000,7 +7001,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1e_2__set__(struct __pyx_obj_4cdec_5_cde
  */
   __pyx_v_e_ = (&__pyx_v_self->rule->get()->e_);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":121
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":121
  *         def __set__(self, e):
  *             cdef vector[WordID]* e_ = &self.rule.get().e_
  *             e_.resize(len(e))             # <<<<<<<<<<<<<<
@@ -7010,7 +7011,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1e_2__set__(struct __pyx_obj_4cdec_5_cde
   __pyx_t_1 = PyObject_Length(__pyx_v_e); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_e_->resize(__pyx_t_1);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":123
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":123
  *             e_.resize(len(e))
  *             cdef unsigned i
  *             for i in range(len(e)):             # <<<<<<<<<<<<<<
@@ -7021,7 +7022,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1e_2__set__(struct __pyx_obj_4cdec_5_cde
   for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_v_i = __pyx_t_2;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":124
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":124
  *             cdef unsigned i
  *             for i in range(len(e)):
  *                 if isinstance(e[i], NTRef):             # <<<<<<<<<<<<<<
@@ -7035,7 +7036,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1e_2__set__(struct __pyx_obj_4cdec_5_cde
     __pyx_t_5 = (__pyx_t_4 != 0);
     if (__pyx_t_5) {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":125
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":125
  *             for i in range(len(e)):
  *                 if isinstance(e[i], NTRef):
  *                     e_[0][i] = 1-e[i].ref             # <<<<<<<<<<<<<<
@@ -7057,7 +7058,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1e_2__set__(struct __pyx_obj_4cdec_5_cde
     }
     /*else*/ {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":127
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":127
  *                     e_[0][i] = 1-e[i].ref
  *                 else:
  *                     ei = as_str(e[i])             # <<<<<<<<<<<<<<
@@ -7073,7 +7074,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1e_2__set__(struct __pyx_obj_4cdec_5_cde
       __pyx_v_ei = ((PyObject*)__pyx_t_6);
       __pyx_t_6 = 0;
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":128
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":128
  *                 else:
  *                     ei = as_str(e[i])
  *                     e_[0][i] = TDConvert(ei)             # <<<<<<<<<<<<<<
@@ -7111,7 +7112,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_5TRule_1a_1__get__(PyObject *__pyx_v_self
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":131
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":131
  * 
  *     property a:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -7179,7 +7180,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_5TRule_1a_2generator2(__pyx_GeneratorObje
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 131; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":133
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":133
  *         def __get__(self):
  *             cdef unsigned i
  *             cdef vector[grammar.AlignmentPoint]* a = &self.rule.get().a_             # <<<<<<<<<<<<<<
@@ -7188,7 +7189,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_5TRule_1a_2generator2(__pyx_GeneratorObje
  */
   __pyx_cur_scope->__pyx_v_a = (&__pyx_cur_scope->__pyx_v_self->rule->get()->a_);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":134
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":134
  *             cdef unsigned i
  *             cdef vector[grammar.AlignmentPoint]* a = &self.rule.get().a_
  *             for i in range(a.size()):             # <<<<<<<<<<<<<<
@@ -7199,7 +7200,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_5TRule_1a_2generator2(__pyx_GeneratorObje
   for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_cur_scope->__pyx_v_i = __pyx_t_2;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":135
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":135
  *             cdef vector[grammar.AlignmentPoint]* a = &self.rule.get().a_
  *             for i in range(a.size()):
  *                 yield (a[0][i].s_, a[0][i].t_)             # <<<<<<<<<<<<<<
@@ -7258,7 +7259,7 @@ static int __pyx_pw_4cdec_5_cdec_5TRule_1a_4__set__(PyObject *__pyx_v_self, PyOb
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":137
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":137
  *                 yield (a[0][i].s_, a[0][i].t_)
  * 
  *         def __set__(self, a):             # <<<<<<<<<<<<<<
@@ -7287,7 +7288,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1a_3__set__(struct __pyx_obj_4cdec_5_cde
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__set__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":138
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":138
  * 
  *         def __set__(self, a):
  *             cdef vector[grammar.AlignmentPoint]* a_ = &self.rule.get().a_             # <<<<<<<<<<<<<<
@@ -7296,7 +7297,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1a_3__set__(struct __pyx_obj_4cdec_5_cde
  */
   __pyx_v_a_ = (&__pyx_v_self->rule->get()->a_);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":139
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":139
  *         def __set__(self, a):
  *             cdef vector[grammar.AlignmentPoint]* a_ = &self.rule.get().a_
  *             a_.resize(len(a))             # <<<<<<<<<<<<<<
@@ -7306,7 +7307,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1a_3__set__(struct __pyx_obj_4cdec_5_cde
   __pyx_t_1 = PyObject_Length(__pyx_v_a); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_a_->resize(__pyx_t_1);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":142
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":142
  *             cdef unsigned i
  *             cdef int s, t
  *             for i in range(len(a)):             # <<<<<<<<<<<<<<
@@ -7317,7 +7318,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1a_3__set__(struct __pyx_obj_4cdec_5_cde
   for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_v_i = __pyx_t_2;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":143
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":143
  *             cdef int s, t
  *             for i in range(len(a)):
  *                 s, t = a[i]             # <<<<<<<<<<<<<<
@@ -7384,7 +7385,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_1a_3__set__(struct __pyx_obj_4cdec_5_cde
     __pyx_v_s = __pyx_t_8;
     __pyx_v_t = __pyx_t_9;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":144
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":144
  *             for i in range(len(a)):
  *                 s, t = a[i]
  *                 a_[0][i] = grammar.AlignmentPoint(s, t)             # <<<<<<<<<<<<<<
@@ -7419,7 +7420,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_5TRule_6scores_1__get__(PyObject *__pyx_v
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":147
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":147
  * 
  *     property scores:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -7437,7 +7438,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_6scores___get__(struct __pyx_obj_4
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":148
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":148
  *     property scores:
  *         def __get__(self):
  *             cdef SparseVector scores = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
@@ -7450,7 +7451,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_6scores___get__(struct __pyx_obj_4
   __pyx_v_scores = ((struct __pyx_obj_4cdec_5_cdec_SparseVector *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":149
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":149
  *         def __get__(self):
  *             cdef SparseVector scores = SparseVector.__new__(SparseVector)
  *             scores.vector = new FastSparseVector[double](self.rule.get().scores_)             # <<<<<<<<<<<<<<
@@ -7459,7 +7460,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_6scores___get__(struct __pyx_obj_4
  */
   __pyx_v_scores->vector = new FastSparseVector<double>(__pyx_v_self->rule->get()->scores_);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":150
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":150
  *             cdef SparseVector scores = SparseVector.__new__(SparseVector)
  *             scores.vector = new FastSparseVector[double](self.rule.get().scores_)
  *             return scores             # <<<<<<<<<<<<<<
@@ -7495,7 +7496,7 @@ static int __pyx_pw_4cdec_5_cdec_5TRule_6scores_3__set__(PyObject *__pyx_v_self,
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":152
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":152
  *             return scores
  * 
  *         def __set__(self, scores):             # <<<<<<<<<<<<<<
@@ -7527,7 +7528,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_6scores_2__set__(struct __pyx_obj_4cdec_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__set__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":153
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":153
  * 
  *         def __set__(self, scores):
  *             cdef FastSparseVector[double]* scores_ = &self.rule.get().scores_             # <<<<<<<<<<<<<<
@@ -7536,7 +7537,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_6scores_2__set__(struct __pyx_obj_4cdec_
  */
   __pyx_v_scores_ = (&__pyx_v_self->rule->get()->scores_);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":154
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":154
  *         def __set__(self, scores):
  *             cdef FastSparseVector[double]* scores_ = &self.rule.get().scores_
  *             scores_.clear()             # <<<<<<<<<<<<<<
@@ -7545,7 +7546,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_6scores_2__set__(struct __pyx_obj_4cdec_
  */
   __pyx_v_scores_->clear();
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":157
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":157
  *             cdef int fid
  *             cdef float fval
  *             for fname, fval in scores.items():             # <<<<<<<<<<<<<<
@@ -7650,7 +7651,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_6scores_2__set__(struct __pyx_obj_4cdec_
     __pyx_t_5 = 0;
     __pyx_v_fval = __pyx_t_9;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":158
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":158
  *             cdef float fval
  *             for fname, fval in scores.items():
  *                 fn = as_str(fname)             # <<<<<<<<<<<<<<
@@ -7663,7 +7664,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_6scores_2__set__(struct __pyx_obj_4cdec_
     __pyx_v_fn = ((PyObject*)__pyx_t_2);
     __pyx_t_2 = 0;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":159
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":159
  *             for fname, fval in scores.items():
  *                 fn = as_str(fname)
  *                 fid = FDConvert(fn)             # <<<<<<<<<<<<<<
@@ -7673,7 +7674,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_6scores_2__set__(struct __pyx_obj_4cdec_
     __pyx_t_10 = __Pyx_PyObject_AsString(((PyObject *)__pyx_v_fn)); if (unlikely((!__pyx_t_10) && PyErr_Occurred())) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_v_fid = FD::Convert(__pyx_t_10);
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":160
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":160
  *                 fn = as_str(fname)
  *                 fid = FDConvert(fn)
  *                 if fid < 0: raise KeyError(fname)             # <<<<<<<<<<<<<<
@@ -7697,7 +7698,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_6scores_2__set__(struct __pyx_obj_4cdec_
     }
     __pyx_L7:;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":161
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":161
  *                 fid = FDConvert(fn)
  *                 if fid < 0: raise KeyError(fname)
  *                 scores_.set_value(fid, fval)             # <<<<<<<<<<<<<<
@@ -7736,7 +7737,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_5TRule_3lhs_1__get__(PyObject *__pyx_v_se
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":164
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":164
  * 
  *     property lhs:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -7754,7 +7755,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_3lhs___get__(struct __pyx_obj_4cde
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":165
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":165
  *     property lhs:
  *         def __get__(self):
  *             return NT(TDConvert(-self.rule.get().lhs_).c_str())             # <<<<<<<<<<<<<<
@@ -7800,7 +7801,7 @@ static int __pyx_pw_4cdec_5_cdec_5TRule_3lhs_3__set__(PyObject *__pyx_v_self, Py
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":167
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":167
  *             return NT(TDConvert(-self.rule.get().lhs_).c_str())
  * 
  *         def __set__(self, lhs):             # <<<<<<<<<<<<<<
@@ -7822,7 +7823,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_3lhs_2__set__(struct __pyx_obj_4cdec_5_c
   __Pyx_RefNannySetupContext("__set__", 0);
   __Pyx_INCREF(__pyx_v_lhs);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":168
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":168
  * 
  *         def __set__(self, lhs):
  *             if not isinstance(lhs, NT):             # <<<<<<<<<<<<<<
@@ -7833,7 +7834,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_3lhs_2__set__(struct __pyx_obj_4cdec_5_c
   __pyx_t_2 = ((!(__pyx_t_1 != 0)) != 0);
   if (__pyx_t_2) {
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":169
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":169
  *         def __set__(self, lhs):
  *             if not isinstance(lhs, NT):
  *                 lhs = NT(lhs)             # <<<<<<<<<<<<<<
@@ -7855,7 +7856,7 @@ static int __pyx_pf_4cdec_5_cdec_5TRule_3lhs_2__set__(struct __pyx_obj_4cdec_5_c
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":170
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":170
  *             if not isinstance(lhs, NT):
  *                 lhs = NT(lhs)
  *             self.rule.get().lhs_ = -TDConvert((<NT> lhs).cat)             # <<<<<<<<<<<<<<
@@ -7890,7 +7891,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_5TRule_5__str__(PyObject *__pyx_v_self) {
 }
 static PyObject *__pyx_gb_4cdec_5_cdec_5TRule_7__str___2generator19(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":173
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":173
  * 
  *     def __str__(self):
  *         scores = ' '.join('%s=%s' % feat for feat in self.scores)             # <<<<<<<<<<<<<<
@@ -8035,7 +8036,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_5TRule_7__str___2generator19(__pyx_Genera
   return NULL;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":172
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":172
  *             self.rule.get().lhs_ = -TDConvert((<NT> lhs).cat)
  * 
  *     def __str__(self):             # <<<<<<<<<<<<<<
@@ -8067,7 +8068,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_4__str__(struct __pyx_obj_4cdec_5_
   __Pyx_INCREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
   __Pyx_GIVEREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":173
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":173
  * 
  *     def __str__(self):
  *         scores = ' '.join('%s=%s' % feat for feat in self.scores)             # <<<<<<<<<<<<<<
@@ -8090,7 +8091,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_4__str__(struct __pyx_obj_4cdec_5_
   __pyx_v_scores = __pyx_t_2;
   __pyx_t_2 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":174
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":174
  *     def __str__(self):
  *         scores = ' '.join('%s=%s' % feat for feat in self.scores)
  *         return '%s ||| %s ||| %s ||| %s' % (self.lhs,             # <<<<<<<<<<<<<<
@@ -8101,7 +8102,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_5TRule_4__str__(struct __pyx_obj_4cdec_5_
   __pyx_t_2 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s__lhs); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":175
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":175
  *         scores = ' '.join('%s=%s' % feat for feat in self.scores)
  *         return '%s ||| %s ||| %s ||| %s' % (self.lhs,
  *                 _phrase(self.f), _phrase(self.e), scores)             # <<<<<<<<<<<<<<
@@ -8245,7 +8246,7 @@ static int __pyx_pw_4cdec_5_cdec_5MRule_1__init__(PyObject *__pyx_v_self, PyObje
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":178
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":178
  * 
  * cdef class MRule(TRule):
  *     def __init__(self, lhs, rhs, scores):             # <<<<<<<<<<<<<<
@@ -8272,7 +8273,7 @@ static int __pyx_pf_4cdec_5_cdec_5MRule___init__(struct __pyx_obj_4cdec_5_cdec_M
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__init__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":183
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":183
  *         rhs: right hand side phrase (list of words/NT)
  *         scores: dictionary of feature scores"""
  *         cdef unsigned i = 1             # <<<<<<<<<<<<<<
@@ -8281,7 +8282,7 @@ static int __pyx_pf_4cdec_5_cdec_5MRule___init__(struct __pyx_obj_4cdec_5_cdec_M
  */
   __pyx_v_i = 1;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":184
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":184
  *         scores: dictionary of feature scores"""
  *         cdef unsigned i = 1
  *         e = []             # <<<<<<<<<<<<<<
@@ -8293,7 +8294,7 @@ static int __pyx_pf_4cdec_5_cdec_5MRule___init__(struct __pyx_obj_4cdec_5_cdec_M
   __pyx_v_e = ((PyObject*)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":185
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":185
  *         cdef unsigned i = 1
  *         e = []
  *         for s in rhs:             # <<<<<<<<<<<<<<
@@ -8338,7 +8339,7 @@ static int __pyx_pf_4cdec_5_cdec_5MRule___init__(struct __pyx_obj_4cdec_5_cdec_M
     __pyx_v_s = __pyx_t_4;
     __pyx_t_4 = 0;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":186
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":186
  *         e = []
  *         for s in rhs:
  *             if isinstance(s, NT):             # <<<<<<<<<<<<<<
@@ -8349,7 +8350,7 @@ static int __pyx_pf_4cdec_5_cdec_5MRule___init__(struct __pyx_obj_4cdec_5_cdec_M
     __pyx_t_6 = (__pyx_t_5 != 0);
     if (__pyx_t_6) {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":187
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":187
  *         for s in rhs:
  *             if isinstance(s, NT):
  *                 e.append(NTRef(i))             # <<<<<<<<<<<<<<
@@ -8369,7 +8370,7 @@ static int __pyx_pf_4cdec_5_cdec_5MRule___init__(struct __pyx_obj_4cdec_5_cdec_M
       __pyx_t_8 = __Pyx_PyList_Append(__pyx_v_e, __pyx_t_4); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":188
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":188
  *             if isinstance(s, NT):
  *                 e.append(NTRef(i))
  *                 i += 1             # <<<<<<<<<<<<<<
@@ -8381,7 +8382,7 @@ static int __pyx_pf_4cdec_5_cdec_5MRule___init__(struct __pyx_obj_4cdec_5_cdec_M
     }
     /*else*/ {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":190
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":190
  *                 i += 1
  *             else:
  *                 e.append(s)             # <<<<<<<<<<<<<<
@@ -8394,7 +8395,7 @@ static int __pyx_pf_4cdec_5_cdec_5MRule___init__(struct __pyx_obj_4cdec_5_cdec_M
   }
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":191
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":191
  *             else:
  *                 e.append(s)
  *         super(MRule, self).__init__(lhs, rhs, e, scores, None)             # <<<<<<<<<<<<<<
@@ -8462,7 +8463,7 @@ static void __pyx_pw_4cdec_5_cdec_7Grammar_1__dealloc__(PyObject *__pyx_v_self)
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":196
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":196
  *     cdef shared_ptr[grammar.Grammar]* grammar
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -8474,7 +8475,7 @@ static void __pyx_pf_4cdec_5_cdec_7Grammar___dealloc__(CYTHON_UNUSED struct __py
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":197
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":197
  * 
  *     def __dealloc__(self):
  *         del self.grammar             # <<<<<<<<<<<<<<
@@ -8498,7 +8499,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_7Grammar_3__iter__(PyObject *__pyx_v_self
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":199
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":199
  *         del self.grammar
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -8564,7 +8565,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Grammar_4generator3(__pyx_GeneratorObjec
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":200
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":200
  * 
  *     def __iter__(self):
  *         cdef grammar.const_GrammarIter* root = self.grammar.get().GetRoot()             # <<<<<<<<<<<<<<
@@ -8573,7 +8574,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Grammar_4generator3(__pyx_GeneratorObjec
  */
   __pyx_cur_scope->__pyx_v_root = __pyx_cur_scope->__pyx_v_self->grammar->get()->GetRoot();
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":201
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":201
  *     def __iter__(self):
  *         cdef grammar.const_GrammarIter* root = self.grammar.get().GetRoot()
  *         cdef grammar.const_RuleBin* rbin = root.GetRules()             # <<<<<<<<<<<<<<
@@ -8582,7 +8583,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Grammar_4generator3(__pyx_GeneratorObjec
  */
   __pyx_cur_scope->__pyx_v_rbin = __pyx_cur_scope->__pyx_v_root->GetRules();
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":204
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":204
  *         cdef TRule trule
  *         cdef unsigned i
  *         for i in range(rbin.GetNumRules()):             # <<<<<<<<<<<<<<
@@ -8593,7 +8594,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Grammar_4generator3(__pyx_GeneratorObjec
   for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_cur_scope->__pyx_v_i = __pyx_t_2;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":205
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":205
  *         cdef unsigned i
  *         for i in range(rbin.GetNumRules()):
  *             trule = TRule.__new__(TRule)             # <<<<<<<<<<<<<<
@@ -8609,7 +8610,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Grammar_4generator3(__pyx_GeneratorObjec
     __pyx_cur_scope->__pyx_v_trule = ((struct __pyx_obj_4cdec_5_cdec_TRule *)__pyx_t_3);
     __pyx_t_3 = 0;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":206
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":206
  *         for i in range(rbin.GetNumRules()):
  *             trule = TRule.__new__(TRule)
  *             trule.rule = new shared_ptr[grammar.TRule](rbin.GetIthRule(i))             # <<<<<<<<<<<<<<
@@ -8618,7 +8619,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Grammar_4generator3(__pyx_GeneratorObjec
  */
     __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));
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":207
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":207
  *             trule = TRule.__new__(TRule)
  *             trule.rule = new shared_ptr[grammar.TRule](rbin.GetIthRule(i))
  *             yield trule             # <<<<<<<<<<<<<<
@@ -8663,7 +8664,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_7Grammar_4name_1__get__(PyObject *__pyx_v
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":210
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":210
  * 
  *     property name:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -8681,7 +8682,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Grammar_4name___get__(struct __pyx_obj_4
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":211
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":211
  *     property name:
  *         def __get__(self):
  *             str(self.grammar.get().GetGrammarName().c_str())             # <<<<<<<<<<<<<<
@@ -8724,7 +8725,7 @@ static int __pyx_pw_4cdec_5_cdec_7Grammar_4name_3__set__(PyObject *__pyx_v_self,
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":213
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":213
  *             str(self.grammar.get().GetGrammarName().c_str())
  * 
  *         def __set__(self, name):             # <<<<<<<<<<<<<<
@@ -8743,7 +8744,7 @@ static int __pyx_pf_4cdec_5_cdec_7Grammar_4name_2__set__(struct __pyx_obj_4cdec_
   __Pyx_RefNannySetupContext("__set__", 0);
   __Pyx_INCREF(__pyx_v_name);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":214
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":214
  * 
  *         def __set__(self, name):
  *             name = as_str(name)             # <<<<<<<<<<<<<<
@@ -8756,7 +8757,7 @@ static int __pyx_pf_4cdec_5_cdec_7Grammar_4name_2__set__(struct __pyx_obj_4cdec_
   __pyx_v_name = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":215
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":215
  *         def __set__(self, name):
  *             name = as_str(name)
  *             self.grammar.get().SetGrammarName(name)             # <<<<<<<<<<<<<<
@@ -8832,7 +8833,7 @@ static int __pyx_pw_4cdec_5_cdec_11TextGrammar_1__init__(PyObject *__pyx_v_self,
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/grammar.pxi":218
+/* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":218
  * 
  * cdef class TextGrammar(Grammar):
  *     def __init__(self, rules):             # <<<<<<<<<<<<<<
@@ -8856,7 +8857,7 @@ static int __pyx_pf_4cdec_5_cdec_11TextGrammar___init__(struct __pyx_obj_4cdec_5
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__init__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":220
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":220
  *     def __init__(self, rules):
  *         """TextGrammar(rules) -> SCFG Grammar containing the rules."""
  *         self.grammar = new shared_ptr[grammar.Grammar](new grammar.TextGrammar())             # <<<<<<<<<<<<<<
@@ -8865,7 +8866,7 @@ static int __pyx_pf_4cdec_5_cdec_11TextGrammar___init__(struct __pyx_obj_4cdec_5
  */
   __pyx_v_self->__pyx_base.grammar = new boost::shared_ptr<Grammar>(new TextGrammar());
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":221
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":221
  *         """TextGrammar(rules) -> SCFG Grammar containing the rules."""
  *         self.grammar = new shared_ptr[grammar.Grammar](new grammar.TextGrammar())
  *         cdef grammar.TextGrammar* _g = <grammar.TextGrammar*> self.grammar.get()             # <<<<<<<<<<<<<<
@@ -8874,7 +8875,7 @@ static int __pyx_pf_4cdec_5_cdec_11TextGrammar___init__(struct __pyx_obj_4cdec_5
  */
   __pyx_v__g = ((TextGrammar *)__pyx_v_self->__pyx_base.grammar->get());
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":222
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":222
  *         self.grammar = new shared_ptr[grammar.Grammar](new grammar.TextGrammar())
  *         cdef grammar.TextGrammar* _g = <grammar.TextGrammar*> self.grammar.get()
  *         for trule in rules:             # <<<<<<<<<<<<<<
@@ -8919,7 +8920,7 @@ static int __pyx_pf_4cdec_5_cdec_11TextGrammar___init__(struct __pyx_obj_4cdec_5
     __pyx_v_trule = __pyx_t_4;
     __pyx_t_4 = 0;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":223
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":223
  *         cdef grammar.TextGrammar* _g = <grammar.TextGrammar*> self.grammar.get()
  *         for trule in rules:
  *             if isinstance(trule, _sa.Rule):             # <<<<<<<<<<<<<<
@@ -8930,7 +8931,7 @@ static int __pyx_pf_4cdec_5_cdec_11TextGrammar___init__(struct __pyx_obj_4cdec_5
     __pyx_t_6 = (__pyx_t_5 != 0);
     if (__pyx_t_6) {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":224
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":224
  *         for trule in rules:
  *             if isinstance(trule, _sa.Rule):
  *                 trule = convert_rule(trule)             # <<<<<<<<<<<<<<
@@ -8946,7 +8947,7 @@ static int __pyx_pf_4cdec_5_cdec_11TextGrammar___init__(struct __pyx_obj_4cdec_5
       goto __pyx_L5;
     }
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":225
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":225
  *             if isinstance(trule, _sa.Rule):
  *                 trule = convert_rule(trule)
  *             elif not isinstance(trule, TRule):             # <<<<<<<<<<<<<<
@@ -8957,7 +8958,7 @@ static int __pyx_pf_4cdec_5_cdec_11TextGrammar___init__(struct __pyx_obj_4cdec_5
     __pyx_t_5 = ((!(__pyx_t_6 != 0)) != 0);
     if (__pyx_t_5) {
 
-      /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":226
+      /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":226
  *                 trule = convert_rule(trule)
  *             elif not isinstance(trule, TRule):
  *                 raise ValueError('the grammar should contain TRule objects')             # <<<<<<<<<<<<<<
@@ -8972,7 +8973,7 @@ static int __pyx_pf_4cdec_5_cdec_11TextGrammar___init__(struct __pyx_obj_4cdec_5
     }
     __pyx_L5:;
 
-    /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":227
+    /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":227
  *             elif not isinstance(trule, TRule):
  *                 raise ValueError('the grammar should contain TRule objects')
  *             _g.AddRule((<TRule> trule).rule[0])             # <<<<<<<<<<<<<<
@@ -9003,7 +9004,7 @@ static void __pyx_pw_4cdec_5_cdec_10Hypergraph_1__dealloc__(PyObject *__pyx_v_se
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":8
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":8
  *     cdef MT19937* rng
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -9016,7 +9017,7 @@ static void __pyx_pf_4cdec_5_cdec_10Hypergraph___dealloc__(struct __pyx_obj_4cde
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":9
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":9
  * 
  *     def __dealloc__(self):
  *         del self.hg             # <<<<<<<<<<<<<<
@@ -9025,7 +9026,7 @@ static void __pyx_pf_4cdec_5_cdec_10Hypergraph___dealloc__(struct __pyx_obj_4cde
  */
   delete __pyx_v_self->hg;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":10
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":10
  *     def __dealloc__(self):
  *         del self.hg
  *         if self.rng != NULL:             # <<<<<<<<<<<<<<
@@ -9035,7 +9036,7 @@ static void __pyx_pf_4cdec_5_cdec_10Hypergraph___dealloc__(struct __pyx_obj_4cde
   __pyx_t_1 = ((__pyx_v_self->rng != NULL) != 0);
   if (__pyx_t_1) {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":11
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":11
  *         del self.hg
  *         if self.rng != NULL:
  *             del self.rng             # <<<<<<<<<<<<<<
@@ -9050,7 +9051,7 @@ static void __pyx_pf_4cdec_5_cdec_10Hypergraph___dealloc__(struct __pyx_obj_4cde
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":13
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":13
  *             del self.rng
  * 
  *     cdef MT19937* _rng(self):             # <<<<<<<<<<<<<<
@@ -9068,7 +9069,7 @@ static MT19937 *__pyx_f_4cdec_5_cdec_10Hypergraph__rng(struct __pyx_obj_4cdec_5_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("_rng", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":14
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":14
  * 
  *     cdef MT19937* _rng(self):
  *         if self.rng == NULL:             # <<<<<<<<<<<<<<
@@ -9078,7 +9079,7 @@ static MT19937 *__pyx_f_4cdec_5_cdec_10Hypergraph__rng(struct __pyx_obj_4cdec_5_
   __pyx_t_1 = ((__pyx_v_self->rng == NULL) != 0);
   if (__pyx_t_1) {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":15
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":15
  *     cdef MT19937* _rng(self):
  *         if self.rng == NULL:
  *             self.rng = new MT19937()             # <<<<<<<<<<<<<<
@@ -9096,7 +9097,7 @@ static MT19937 *__pyx_f_4cdec_5_cdec_10Hypergraph__rng(struct __pyx_obj_4cdec_5_
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":16
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":16
  *         if self.rng == NULL:
  *             self.rng = new MT19937()
  *         return self.rng             # <<<<<<<<<<<<<<
@@ -9128,7 +9129,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_3viterbi(PyObject *__pyx_v_s
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":18
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":18
  *         return self.rng
  * 
  *     def viterbi(self):             # <<<<<<<<<<<<<<
@@ -9147,7 +9148,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_2viterbi(struct __pyx_obj_4c
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("viterbi", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":21
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":21
  *         """hg.viterbi() -> String for the best hypothesis in the hypergraph."""
  *         cdef vector[WordID] trans
  *         hypergraph.ViterbiESentence(self.hg[0], &trans)             # <<<<<<<<<<<<<<
@@ -9156,7 +9157,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_2viterbi(struct __pyx_obj_4c
  */
   ViterbiESentence((__pyx_v_self->hg[0]), (&__pyx_v_trans));
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":22
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":22
  *         cdef vector[WordID] trans
  *         hypergraph.ViterbiESentence(self.hg[0], &trans)
  *         return unicode(GetString(trans).c_str(), 'utf8')             # <<<<<<<<<<<<<<
@@ -9206,7 +9207,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_5viterbi_trees(PyObject *__p
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":24
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":24
  *         return unicode(GetString(trans).c_str(), 'utf8')
  * 
  *     def viterbi_trees(self):             # <<<<<<<<<<<<<<
@@ -9226,7 +9227,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_4viterbi_trees(struct __pyx_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("viterbi_trees", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":29
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":29
  *         e_tree: Target tree for the best hypothesis in the hypergraph.
  *         """
  *         f_tree = unicode(hypergraph.ViterbiFTree(self.hg[0]).c_str(), 'utf8')             # <<<<<<<<<<<<<<
@@ -9249,7 +9250,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_4viterbi_trees(struct __pyx_
   __pyx_v_f_tree = ((PyObject*)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":30
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":30
  *         """
  *         f_tree = unicode(hypergraph.ViterbiFTree(self.hg[0]).c_str(), 'utf8')
  *         e_tree = unicode(hypergraph.ViterbiETree(self.hg[0]).c_str(), 'utf8')             # <<<<<<<<<<<<<<
@@ -9272,7 +9273,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_4viterbi_trees(struct __pyx_
   __pyx_v_e_tree = ((PyObject*)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":31
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":31
  *         f_tree = unicode(hypergraph.ViterbiFTree(self.hg[0]).c_str(), 'utf8')
  *         e_tree = unicode(hypergraph.ViterbiETree(self.hg[0]).c_str(), 'utf8')
  *         return (f_tree, e_tree)             # <<<<<<<<<<<<<<
@@ -9319,7 +9320,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_7viterbi_features(PyObject *
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":33
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":33
  *         return (f_tree, e_tree)
  * 
  *     def viterbi_features(self):             # <<<<<<<<<<<<<<
@@ -9337,7 +9338,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_6viterbi_features(struct __p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("viterbi_features", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":36
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":36
  *         """hg.viterbi_features() -> SparseVector with the features corresponding
  *         to the best derivation in the hypergraph."""
  *         cdef SparseVector fmap = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
@@ -9350,7 +9351,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_6viterbi_features(struct __p
   __pyx_v_fmap = ((struct __pyx_obj_4cdec_5_cdec_SparseVector *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":37
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":37
  *         to the best derivation in the hypergraph."""
  *         cdef SparseVector fmap = SparseVector.__new__(SparseVector)
  *         fmap.vector = new FastSparseVector[weight_t](hypergraph.ViterbiFeatures(self.hg[0]))             # <<<<<<<<<<<<<<
@@ -9359,7 +9360,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_6viterbi_features(struct __p
  */
   __pyx_v_fmap->vector = new FastSparseVector<weight_t>(ViterbiFeatures((__pyx_v_self->hg[0])));
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":38
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":38
  *         cdef SparseVector fmap = SparseVector.__new__(SparseVector)
  *         fmap.vector = new FastSparseVector[weight_t](hypergraph.ViterbiFeatures(self.hg[0]))
  *         return fmap             # <<<<<<<<<<<<<<
@@ -9395,7 +9396,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_9viterbi_forest(PyObject *__
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":40
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":40
  *         return fmap
  * 
  *     def viterbi_forest(self):             # <<<<<<<<<<<<<<
@@ -9413,7 +9414,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_8viterbi_forest(struct __pyx
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("viterbi_forest", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":41
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":41
  * 
  *     def viterbi_forest(self):
  *         cdef Hypergraph hg = Hypergraph()             # <<<<<<<<<<<<<<
@@ -9425,7 +9426,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_8viterbi_forest(struct __pyx
   __pyx_v_hg = ((struct __pyx_obj_4cdec_5_cdec_Hypergraph *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":42
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":42
  *     def viterbi_forest(self):
  *         cdef Hypergraph hg = Hypergraph()
  *         hg.hg = new hypergraph.Hypergraph(self.hg[0].CreateViterbiHypergraph(NULL).get()[0])             # <<<<<<<<<<<<<<
@@ -9434,7 +9435,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_8viterbi_forest(struct __pyx
  */
   __pyx_v_hg->hg = new Hypergraph(((__pyx_v_self->hg[0]).CreateViterbiHypergraph(NULL).get()[0]));
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":43
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":43
  *         cdef Hypergraph hg = Hypergraph()
  *         hg.hg = new hypergraph.Hypergraph(self.hg[0].CreateViterbiHypergraph(NULL).get()[0])
  *         return hg             # <<<<<<<<<<<<<<
@@ -9471,7 +9472,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_11viterbi_joshua(PyObject *_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":45
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":45
  *         return hg
  * 
  *     def viterbi_joshua(self):             # <<<<<<<<<<<<<<
@@ -9489,7 +9490,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_10viterbi_joshua(struct __py
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("viterbi_joshua", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":47
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":47
  *     def viterbi_joshua(self):
  *         """hg.viterbi_joshua() -> Joshua representation of the best derivation."""
  *         return unicode(hypergraph.JoshuaVisualizationString(self.hg[0]).c_str(), 'utf8')             # <<<<<<<<<<<<<<
@@ -9540,7 +9541,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_13kbest(PyObject *__pyx_v_se
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":49
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":49
  *         return unicode(hypergraph.JoshuaVisualizationString(self.hg[0]).c_str(), 'utf8')
  * 
  *     def kbest(self, size):             # <<<<<<<<<<<<<<
@@ -9611,7 +9612,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_14generator4(__pyx_Generator
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 49; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":51
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":51
  *     def kbest(self, size):
  *         """hg.kbest(size) -> List of k-best hypotheses in the hypergraph."""
  *         cdef kbest.KBestDerivations[vector[WordID], kbest.ESentenceTraversal]* derivations = new kbest.KBestDerivations[vector[WordID], kbest.ESentenceTraversal](self.hg[0], size)             # <<<<<<<<<<<<<<
@@ -9621,7 +9622,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_14generator4(__pyx_Generator
   __pyx_t_1 = __Pyx_PyInt_AsUnsignedInt(__pyx_cur_scope->__pyx_v_size); if (unlikely((__pyx_t_1 == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 51; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_cur_scope->__pyx_v_derivations = new KBest::KBestDerivations<std::vector<WordID>,ESentenceTraversal>((__pyx_cur_scope->__pyx_v_self->hg[0]), __pyx_t_1);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":54
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":54
  *         cdef kbest.KBestDerivations[vector[WordID], kbest.ESentenceTraversal].Derivation* derivation
  *         cdef unsigned k
  *         try:             # <<<<<<<<<<<<<<
@@ -9630,7 +9631,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_14generator4(__pyx_Generator
  */
   /*try:*/ {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":55
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":55
  *         cdef unsigned k
  *         try:
  *             for k in range(size):             # <<<<<<<<<<<<<<
@@ -9641,7 +9642,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_14generator4(__pyx_Generator
     for (__pyx_t_1 = 0; __pyx_t_1 < __pyx_t_2; __pyx_t_1+=1) {
       __pyx_cur_scope->__pyx_v_k = __pyx_t_1;
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":56
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":56
  *         try:
  *             for k in range(size):
  *                 derivation = derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)             # <<<<<<<<<<<<<<
@@ -9650,7 +9651,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_14generator4(__pyx_Generator
  */
       __pyx_cur_scope->__pyx_v_derivation = __pyx_cur_scope->__pyx_v_derivations->LazyKthBest((__pyx_cur_scope->__pyx_v_self->hg->nodes_.size() - 1), __pyx_cur_scope->__pyx_v_k);
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":57
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":57
  *             for k in range(size):
  *                 derivation = derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)
  *                 if not derivation: break             # <<<<<<<<<<<<<<
@@ -9664,7 +9665,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_14generator4(__pyx_Generator
       }
       __pyx_L9:;
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":58
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":58
  *                 derivation = derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)
  *                 if not derivation: break
  *                 yield unicode(GetString(derivation._yield).c_str(), 'utf8')             # <<<<<<<<<<<<<<
@@ -9701,7 +9702,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_14generator4(__pyx_Generator
     __pyx_L8_break:;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":60
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":60
  *                 yield unicode(GetString(derivation._yield).c_str(), 'utf8')
  *         finally:
  *             del derivations             # <<<<<<<<<<<<<<
@@ -9762,7 +9763,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_16kbest_trees(PyObject *__py
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":62
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":62
  *             del derivations
  * 
  *     def kbest_trees(self, size):             # <<<<<<<<<<<<<<
@@ -9835,7 +9836,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_17generator5(__pyx_Generator
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":64
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":64
  *     def kbest_trees(self, size):
  *         """hg.kbest_trees(size) -> List of k-best trees in the hypergraph."""
  *         cdef kbest.KBestDerivations[vector[WordID], kbest.FTreeTraversal]* f_derivations = new kbest.KBestDerivations[vector[WordID], kbest.FTreeTraversal](self.hg[0], size)             # <<<<<<<<<<<<<<
@@ -9845,7 +9846,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_17generator5(__pyx_Generator
   __pyx_t_1 = __Pyx_PyInt_AsUnsignedInt(__pyx_cur_scope->__pyx_v_size); if (unlikely((__pyx_t_1 == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_cur_scope->__pyx_v_f_derivations = new KBest::KBestDerivations<std::vector<WordID>,FTreeTraversal>((__pyx_cur_scope->__pyx_v_self->hg[0]), __pyx_t_1);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":66
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":66
  *         cdef kbest.KBestDerivations[vector[WordID], kbest.FTreeTraversal]* f_derivations = new kbest.KBestDerivations[vector[WordID], kbest.FTreeTraversal](self.hg[0], size)
  *         cdef kbest.KBestDerivations[vector[WordID], kbest.FTreeTraversal].Derivation* f_derivation
  *         cdef kbest.KBestDerivations[vector[WordID], kbest.ETreeTraversal]* e_derivations = new kbest.KBestDerivations[vector[WordID], kbest.ETreeTraversal](self.hg[0], size)             # <<<<<<<<<<<<<<
@@ -9855,7 +9856,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_17generator5(__pyx_Generator
   __pyx_t_1 = __Pyx_PyInt_AsUnsignedInt(__pyx_cur_scope->__pyx_v_size); if (unlikely((__pyx_t_1 == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 66; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_cur_scope->__pyx_v_e_derivations = new KBest::KBestDerivations<std::vector<WordID>,ETreeTraversal>((__pyx_cur_scope->__pyx_v_self->hg[0]), __pyx_t_1);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":69
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":69
  *         cdef kbest.KBestDerivations[vector[WordID], kbest.ETreeTraversal].Derivation* e_derivation
  *         cdef unsigned k
  *         try:             # <<<<<<<<<<<<<<
@@ -9864,7 +9865,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_17generator5(__pyx_Generator
  */
   /*try:*/ {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":70
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":70
  *         cdef unsigned k
  *         try:
  *             for k in range(size):             # <<<<<<<<<<<<<<
@@ -9875,7 +9876,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_17generator5(__pyx_Generator
     for (__pyx_t_1 = 0; __pyx_t_1 < __pyx_t_2; __pyx_t_1+=1) {
       __pyx_cur_scope->__pyx_v_k = __pyx_t_1;
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":71
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":71
  *         try:
  *             for k in range(size):
  *                 f_derivation = f_derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)             # <<<<<<<<<<<<<<
@@ -9884,7 +9885,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_17generator5(__pyx_Generator
  */
       __pyx_cur_scope->__pyx_v_f_derivation = __pyx_cur_scope->__pyx_v_f_derivations->LazyKthBest((__pyx_cur_scope->__pyx_v_self->hg->nodes_.size() - 1), __pyx_cur_scope->__pyx_v_k);
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":72
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":72
  *             for k in range(size):
  *                 f_derivation = f_derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)
  *                 e_derivation = e_derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)             # <<<<<<<<<<<<<<
@@ -9893,7 +9894,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_17generator5(__pyx_Generator
  */
       __pyx_cur_scope->__pyx_v_e_derivation = __pyx_cur_scope->__pyx_v_e_derivations->LazyKthBest((__pyx_cur_scope->__pyx_v_self->hg->nodes_.size() - 1), __pyx_cur_scope->__pyx_v_k);
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":73
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":73
  *                 f_derivation = f_derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)
  *                 e_derivation = e_derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)
  *                 if not f_derivation or not e_derivation: break             # <<<<<<<<<<<<<<
@@ -9913,7 +9914,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_17generator5(__pyx_Generator
       }
       __pyx_L9:;
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":74
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":74
  *                 e_derivation = e_derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)
  *                 if not f_derivation or not e_derivation: break
  *                 f_tree = unicode(GetString(f_derivation._yield).c_str(), 'utf8')             # <<<<<<<<<<<<<<
@@ -9939,7 +9940,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_17generator5(__pyx_Generator
       __pyx_cur_scope->__pyx_v_f_tree = ((PyObject*)__pyx_t_6);
       __pyx_t_6 = 0;
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":75
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":75
  *                 if not f_derivation or not e_derivation: break
  *                 f_tree = unicode(GetString(f_derivation._yield).c_str(), 'utf8')
  *                 e_tree = unicode(GetString(e_derivation._yield).c_str(), 'utf8')             # <<<<<<<<<<<<<<
@@ -9965,7 +9966,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_17generator5(__pyx_Generator
       __pyx_cur_scope->__pyx_v_e_tree = ((PyObject*)__pyx_t_6);
       __pyx_t_6 = 0;
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":76
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":76
  *                 f_tree = unicode(GetString(f_derivation._yield).c_str(), 'utf8')
  *                 e_tree = unicode(GetString(e_derivation._yield).c_str(), 'utf8')
  *                 yield (f_tree, e_tree)             # <<<<<<<<<<<<<<
@@ -9997,7 +9998,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_17generator5(__pyx_Generator
     __pyx_L8_break:;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":78
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":78
  *                 yield (f_tree, e_tree)
  *         finally:
  *             del f_derivations             # <<<<<<<<<<<<<<
@@ -10021,7 +10022,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_17generator5(__pyx_Generator
     __pyx_L6:;
     delete __pyx_cur_scope->__pyx_v_f_derivations;
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":79
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":79
  *         finally:
  *             del f_derivations
  *             del e_derivations             # <<<<<<<<<<<<<<
@@ -10067,7 +10068,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_19kbest_features(PyObject *_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":81
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":81
  *             del e_derivations
  * 
  *     def kbest_features(self, size):             # <<<<<<<<<<<<<<
@@ -10137,7 +10138,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_20generator6(__pyx_Generator
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 81; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":83
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":83
  *     def kbest_features(self, size):
  *         """hg.kbest_trees(size) -> List of k-best feature vectors in the hypergraph."""
  *         cdef kbest.KBestDerivations[FastSparseVector[weight_t], kbest.FeatureVectorTraversal]* derivations = new kbest.KBestDerivations[FastSparseVector[weight_t], kbest.FeatureVectorTraversal](self.hg[0], size)             # <<<<<<<<<<<<<<
@@ -10147,7 +10148,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_20generator6(__pyx_Generator
   __pyx_t_1 = __Pyx_PyInt_AsUnsignedInt(__pyx_cur_scope->__pyx_v_size); if (unlikely((__pyx_t_1 == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 83; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_cur_scope->__pyx_v_derivations = new KBest::KBestDerivations<FastSparseVector<weight_t>,FeatureVectorTraversal>((__pyx_cur_scope->__pyx_v_self->hg[0]), __pyx_t_1);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":87
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":87
  *         cdef SparseVector fmap
  *         cdef unsigned k
  *         try:             # <<<<<<<<<<<<<<
@@ -10156,7 +10157,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_20generator6(__pyx_Generator
  */
   /*try:*/ {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":88
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":88
  *         cdef unsigned k
  *         try:
  *             for k in range(size):             # <<<<<<<<<<<<<<
@@ -10167,7 +10168,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_20generator6(__pyx_Generator
     for (__pyx_t_1 = 0; __pyx_t_1 < __pyx_t_2; __pyx_t_1+=1) {
       __pyx_cur_scope->__pyx_v_k = __pyx_t_1;
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":89
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":89
  *         try:
  *             for k in range(size):
  *                 derivation = derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)             # <<<<<<<<<<<<<<
@@ -10176,7 +10177,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_20generator6(__pyx_Generator
  */
       __pyx_cur_scope->__pyx_v_derivation = __pyx_cur_scope->__pyx_v_derivations->LazyKthBest((__pyx_cur_scope->__pyx_v_self->hg->nodes_.size() - 1), __pyx_cur_scope->__pyx_v_k);
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":90
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":90
  *             for k in range(size):
  *                 derivation = derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)
  *                 if not derivation: break             # <<<<<<<<<<<<<<
@@ -10190,7 +10191,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_20generator6(__pyx_Generator
       }
       __pyx_L9:;
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":91
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":91
  *                 derivation = derivations.LazyKthBest(self.hg.nodes_.size() - 1, k)
  *                 if not derivation: break
  *                 fmap = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
@@ -10206,7 +10207,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_20generator6(__pyx_Generator
       __pyx_cur_scope->__pyx_v_fmap = ((struct __pyx_obj_4cdec_5_cdec_SparseVector *)__pyx_t_4);
       __pyx_t_4 = 0;
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":92
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":92
  *                 if not derivation: break
  *                 fmap = SparseVector.__new__(SparseVector)
  *                 fmap.vector = new FastSparseVector[weight_t](derivation._yield)             # <<<<<<<<<<<<<<
@@ -10215,7 +10216,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_20generator6(__pyx_Generator
  */
       __pyx_cur_scope->__pyx_v_fmap->vector = new FastSparseVector<weight_t>(__pyx_cur_scope->__pyx_v_derivation->yield);
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":93
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":93
  *                 fmap = SparseVector.__new__(SparseVector)
  *                 fmap.vector = new FastSparseVector[weight_t](derivation._yield)
  *                 yield fmap             # <<<<<<<<<<<<<<
@@ -10239,7 +10240,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_20generator6(__pyx_Generator
     __pyx_L8_break:;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":95
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":95
  *                 yield fmap
  *         finally:
  *             del derivations             # <<<<<<<<<<<<<<
@@ -10311,7 +10312,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_22sample(PyObject *__pyx_v_s
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":97
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":97
  *             del derivations
  * 
  *     def sample(self, unsigned n):             # <<<<<<<<<<<<<<
@@ -10380,7 +10381,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_23generator7(__pyx_Generator
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 97; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":99
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":99
  *     def sample(self, unsigned n):
  *         """hg.sample(n) -> Sample of n hypotheses from the hypergraph."""
  *         cdef vector[hypergraph.Hypothesis]* hypos = new vector[hypergraph.Hypothesis]()             # <<<<<<<<<<<<<<
@@ -10395,7 +10396,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_23generator7(__pyx_Generator
   }
   __pyx_cur_scope->__pyx_v_hypos = __pyx_t_1;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":100
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":100
  *         """hg.sample(n) -> Sample of n hypotheses from the hypergraph."""
  *         cdef vector[hypergraph.Hypothesis]* hypos = new vector[hypergraph.Hypothesis]()
  *         hypergraph.sample_hypotheses(self.hg[0], n, self._rng(), hypos)             # <<<<<<<<<<<<<<
@@ -10404,7 +10405,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_23generator7(__pyx_Generator
  */
   HypergraphSampler::sample_hypotheses((__pyx_cur_scope->__pyx_v_self->hg[0]), __pyx_cur_scope->__pyx_v_n, ((struct __pyx_vtabstruct_4cdec_5_cdec_Hypergraph *)__pyx_cur_scope->__pyx_v_self->__pyx_vtab)->_rng(__pyx_cur_scope->__pyx_v_self), __pyx_cur_scope->__pyx_v_hypos);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":102
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":102
  *         hypergraph.sample_hypotheses(self.hg[0], n, self._rng(), hypos)
  *         cdef unsigned k
  *         try:             # <<<<<<<<<<<<<<
@@ -10413,7 +10414,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_23generator7(__pyx_Generator
  */
   /*try:*/ {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":103
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":103
  *         cdef unsigned k
  *         try:
  *             for k in range(hypos.size()):             # <<<<<<<<<<<<<<
@@ -10424,7 +10425,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_23generator7(__pyx_Generator
     for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
       __pyx_cur_scope->__pyx_v_k = __pyx_t_3;
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":104
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":104
  *         try:
  *             for k in range(hypos.size()):
  *                 yield unicode(GetString(hypos[0][k].words).c_str(), 'utf8')             # <<<<<<<<<<<<<<
@@ -10460,7 +10461,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_23generator7(__pyx_Generator
     }
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":106
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":106
  *                 yield unicode(GetString(hypos[0][k].words).c_str(), 'utf8')
  *         finally:
  *             del hypos             # <<<<<<<<<<<<<<
@@ -10534,7 +10535,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_25sample_trees(PyObject *__p
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":108
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":108
  *             del hypos
  * 
  *     def sample_trees(self, unsigned n):             # <<<<<<<<<<<<<<
@@ -10603,7 +10604,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_26generator8(__pyx_Generator
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":110
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":110
  *     def sample_trees(self, unsigned n):
  *        """hg.sample_trees(n) -> Sample of n trees from the hypergraph."""
  *        cdef vector[string]* trees = new vector[string]()             # <<<<<<<<<<<<<<
@@ -10618,7 +10619,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_26generator8(__pyx_Generator
   }
   __pyx_cur_scope->__pyx_v_trees = __pyx_t_1;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":111
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":111
  *        """hg.sample_trees(n) -> Sample of n trees from the hypergraph."""
  *        cdef vector[string]* trees = new vector[string]()
  *        hypergraph.sample_trees(self.hg[0], n, self._rng(), trees)             # <<<<<<<<<<<<<<
@@ -10627,7 +10628,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_26generator8(__pyx_Generator
  */
   HypergraphSampler::sample_trees((__pyx_cur_scope->__pyx_v_self->hg[0]), __pyx_cur_scope->__pyx_v_n, ((struct __pyx_vtabstruct_4cdec_5_cdec_Hypergraph *)__pyx_cur_scope->__pyx_v_self->__pyx_vtab)->_rng(__pyx_cur_scope->__pyx_v_self), __pyx_cur_scope->__pyx_v_trees);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":113
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":113
  *        hypergraph.sample_trees(self.hg[0], n, self._rng(), trees)
  *        cdef unsigned k
  *        try:             # <<<<<<<<<<<<<<
@@ -10636,7 +10637,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_26generator8(__pyx_Generator
  */
   /*try:*/ {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":114
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":114
  *        cdef unsigned k
  *        try:
  *            for k in range(trees.size()):             # <<<<<<<<<<<<<<
@@ -10647,7 +10648,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_26generator8(__pyx_Generator
     for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
       __pyx_cur_scope->__pyx_v_k = __pyx_t_3;
 
-      /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":115
+      /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":115
  *        try:
  *            for k in range(trees.size()):
  *                yield unicode(trees[0][k].c_str(), 'utf8')             # <<<<<<<<<<<<<<
@@ -10683,7 +10684,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_26generator8(__pyx_Generator
     }
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":117
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":117
  *                yield unicode(trees[0][k].c_str(), 'utf8')
  *        finally:
  *            del trees             # <<<<<<<<<<<<<<
@@ -10743,7 +10744,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_28intersect(PyObject *__pyx_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":119
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":119
  *            del trees
  * 
  *     def intersect(self, inp):             # <<<<<<<<<<<<<<
@@ -10764,7 +10765,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_27intersect(struct __pyx_obj
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("intersect", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":122
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":122
  *         """hg.intersect(Lattice/string): Intersect the hypergraph with the provided reference."""
  *         cdef Lattice lat
  *         if isinstance(inp, Lattice):             # <<<<<<<<<<<<<<
@@ -10775,7 +10776,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_27intersect(struct __pyx_obj
   __pyx_t_2 = (__pyx_t_1 != 0);
   if (__pyx_t_2) {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":123
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":123
  *         cdef Lattice lat
  *         if isinstance(inp, Lattice):
  *             lat = <Lattice> inp             # <<<<<<<<<<<<<<
@@ -10787,7 +10788,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_27intersect(struct __pyx_obj
     goto __pyx_L3;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":124
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":124
  *         if isinstance(inp, Lattice):
  *             lat = <Lattice> inp
  *         elif isinstance(inp, basestring):             # <<<<<<<<<<<<<<
@@ -10798,7 +10799,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_27intersect(struct __pyx_obj
   __pyx_t_1 = (__pyx_t_2 != 0);
   if (__pyx_t_1) {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":125
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":125
  *             lat = <Lattice> inp
  *         elif isinstance(inp, basestring):
  *             lat = Lattice(inp)             # <<<<<<<<<<<<<<
@@ -10819,7 +10820,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_27intersect(struct __pyx_obj
   }
   /*else*/ {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":127
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":127
  *             lat = Lattice(inp)
  *         else:
  *             raise TypeError('cannot intersect hypergraph with %s' % type(inp))             # <<<<<<<<<<<<<<
@@ -10842,7 +10843,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_27intersect(struct __pyx_obj
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":128
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":128
  *         else:
  *             raise TypeError('cannot intersect hypergraph with %s' % type(inp))
  *         return hypergraph.Intersect(lat.lattice[0], self.hg)             # <<<<<<<<<<<<<<
@@ -10941,7 +10942,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_30prune(PyObject *__pyx_v_se
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":130
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":130
  *         return hypergraph.Intersect(lat.lattice[0], self.hg)
  * 
  *     def prune(self, beam_alpha=0, density=0, **kwargs):             # <<<<<<<<<<<<<<
@@ -10962,7 +10963,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_29prune(struct __pyx_obj_4cd
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("prune", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":134
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":134
  *         beam_alpha: use beam pruning
  *         density: use density pruning"""
  *         cdef hypergraph.EdgeMask* preserve_mask = NULL             # <<<<<<<<<<<<<<
@@ -10971,7 +10972,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_29prune(struct __pyx_obj_4cd
  */
   __pyx_v_preserve_mask = NULL;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":135
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":135
  *         density: use density pruning"""
  *         cdef hypergraph.EdgeMask* preserve_mask = NULL
  *         if 'csplit_preserve_full_word' in kwargs:             # <<<<<<<<<<<<<<
@@ -10982,7 +10983,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_29prune(struct __pyx_obj_4cd
   __pyx_t_2 = (__pyx_t_1 != 0);
   if (__pyx_t_2) {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":136
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":136
  *         cdef hypergraph.EdgeMask* preserve_mask = NULL
  *         if 'csplit_preserve_full_word' in kwargs:
  *              preserve_mask = new hypergraph.EdgeMask(self.hg.edges_.size())             # <<<<<<<<<<<<<<
@@ -10991,7 +10992,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_29prune(struct __pyx_obj_4cd
  */
     __pyx_v_preserve_mask = new std::vector<bool>(__pyx_v_self->hg->edges_.size());
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":137
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":137
  *         if 'csplit_preserve_full_word' in kwargs:
  *              preserve_mask = new hypergraph.EdgeMask(self.hg.edges_.size())
  *              preserve_mask[0][hypergraph.GetFullWordEdgeIndex(self.hg[0])] = True             # <<<<<<<<<<<<<<
@@ -11003,7 +11004,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_29prune(struct __pyx_obj_4cd
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":138
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":138
  *              preserve_mask = new hypergraph.EdgeMask(self.hg.edges_.size())
  *              preserve_mask[0][hypergraph.GetFullWordEdgeIndex(self.hg[0])] = True
  *         self.hg.PruneInsideOutside(beam_alpha, density, preserve_mask, False, 1, False)             # <<<<<<<<<<<<<<
@@ -11014,7 +11015,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_29prune(struct __pyx_obj_4cd
   __pyx_t_4 = __pyx_PyFloat_AsDouble(__pyx_v_density); if (unlikely((__pyx_t_4 == (double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 138; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_self->hg->PruneInsideOutside(__pyx_t_3, __pyx_t_4, __pyx_v_preserve_mask, 0, 1.0, 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":139
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":139
  *              preserve_mask[0][hypergraph.GetFullWordEdgeIndex(self.hg[0])] = True
  *         self.hg.PruneInsideOutside(beam_alpha, density, preserve_mask, False, 1, False)
  *         if preserve_mask:             # <<<<<<<<<<<<<<
@@ -11024,7 +11025,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_29prune(struct __pyx_obj_4cd
   __pyx_t_2 = (__pyx_v_preserve_mask != 0);
   if (__pyx_t_2) {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":140
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":140
  *         self.hg.PruneInsideOutside(beam_alpha, density, preserve_mask, False, 1, False)
  *         if preserve_mask:
  *             del preserve_mask             # <<<<<<<<<<<<<<
@@ -11059,7 +11060,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_32lattice(PyObject *__pyx_v_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":142
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":142
  *             del preserve_mask
  * 
  *     def lattice(self): # TODO direct hg -> lattice conversion in cdec             # <<<<<<<<<<<<<<
@@ -11079,7 +11080,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_31lattice(struct __pyx_obj_4
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("lattice", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":144
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":144
  *     def lattice(self): # TODO direct hg -> lattice conversion in cdec
  *         """hg.lattice() -> Lattice corresponding to the hypergraph."""
  *         cdef bytes plf = hypergraph.AsPLF(self.hg[0], True).c_str()             # <<<<<<<<<<<<<<
@@ -11091,7 +11092,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_31lattice(struct __pyx_obj_4
   __pyx_v_plf = ((PyObject*)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":145
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":145
  *         """hg.lattice() -> Lattice corresponding to the hypergraph."""
  *         cdef bytes plf = hypergraph.AsPLF(self.hg[0], True).c_str()
  *         return Lattice(eval(plf))             # <<<<<<<<<<<<<<
@@ -11162,7 +11163,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_34plf(PyObject *__pyx_v_self
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":147
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":147
  *         return Lattice(eval(plf))
  * 
  *     def plf(self):             # <<<<<<<<<<<<<<
@@ -11180,7 +11181,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_33plf(struct __pyx_obj_4cdec
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("plf", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":149
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":149
  *     def plf(self):
  *         """hg.plf() -> Lattice PLF representation corresponding to the hypergraph."""
  *         return bytes(hypergraph.AsPLF(self.hg[0], True).c_str())             # <<<<<<<<<<<<<<
@@ -11227,7 +11228,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_36reweight(PyObject *__pyx_v
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":151
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":151
  *         return bytes(hypergraph.AsPLF(self.hg[0], True).c_str())
  * 
  *     def reweight(self, weights):             # <<<<<<<<<<<<<<
@@ -11247,7 +11248,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_35reweight(struct __pyx_obj_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("reweight", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":153
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":153
  *     def reweight(self, weights):
  *         """hg.reweight(SparseVector/DenseVector): Reweight the hypergraph with a new vector."""
  *         if isinstance(weights, SparseVector):             # <<<<<<<<<<<<<<
@@ -11258,7 +11259,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_35reweight(struct __pyx_obj_
   __pyx_t_2 = (__pyx_t_1 != 0);
   if (__pyx_t_2) {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":154
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":154
  *         """hg.reweight(SparseVector/DenseVector): Reweight the hypergraph with a new vector."""
  *         if isinstance(weights, SparseVector):
  *             self.hg.Reweight((<SparseVector> weights).vector[0])             # <<<<<<<<<<<<<<
@@ -11269,7 +11270,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_35reweight(struct __pyx_obj_
     goto __pyx_L3;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":155
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":155
  *         if isinstance(weights, SparseVector):
  *             self.hg.Reweight((<SparseVector> weights).vector[0])
  *         elif isinstance(weights, DenseVector):             # <<<<<<<<<<<<<<
@@ -11280,7 +11281,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_35reweight(struct __pyx_obj_
   __pyx_t_1 = (__pyx_t_2 != 0);
   if (__pyx_t_1) {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":156
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":156
  *             self.hg.Reweight((<SparseVector> weights).vector[0])
  *         elif isinstance(weights, DenseVector):
  *             self.hg.Reweight((<DenseVector> weights).vector[0])             # <<<<<<<<<<<<<<
@@ -11292,7 +11293,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_35reweight(struct __pyx_obj_
   }
   /*else*/ {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":158
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":158
  *             self.hg.Reweight((<DenseVector> weights).vector[0])
  *         else:
  *             raise TypeError('cannot reweight hypergraph with %s' % type(weights))             # <<<<<<<<<<<<<<
@@ -11340,7 +11341,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_5edges_1__get__(PyObject *__
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":161
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":161
  * 
  *     property edges:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -11407,7 +11408,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_5edges_2generator9(__pyx_Gen
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 161; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":163
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":163
  *         def __get__(self):
  *             cdef unsigned i
  *             for i in range(self.hg.edges_.size()):             # <<<<<<<<<<<<<<
@@ -11418,7 +11419,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_5edges_2generator9(__pyx_Gen
   for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_cur_scope->__pyx_v_i = __pyx_t_2;
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":164
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":164
  *             cdef unsigned i
  *             for i in range(self.hg.edges_.size()):
  *                 yield HypergraphEdge().init(self.hg, i)             # <<<<<<<<<<<<<<
@@ -11470,7 +11471,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_5nodes_1__get__(PyObject *__
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":167
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":167
  * 
  *     property nodes:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -11537,7 +11538,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_5nodes_2generator10(__pyx_Ge
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":169
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":169
  *         def __get__(self):
  *             cdef unsigned i
  *             for i in range(self.hg.nodes_.size()):             # <<<<<<<<<<<<<<
@@ -11548,7 +11549,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_10Hypergraph_5nodes_2generator10(__pyx_Ge
   for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_cur_scope->__pyx_v_i = __pyx_t_2;
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":170
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":170
  *             cdef unsigned i
  *             for i in range(self.hg.nodes_.size()):
  *                 yield HypergraphNode().init(self.hg, i)             # <<<<<<<<<<<<<<
@@ -11599,7 +11600,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_4goal_1__get__(PyObject *__p
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":173
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":173
  * 
  *     property goal:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -11617,7 +11618,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_4goal___get__(struct __pyx_o
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":174
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":174
  *     property goal:
  *         def __get__(self):
  *             return HypergraphNode().init(self.hg, self.hg.GoalNode())             # <<<<<<<<<<<<<<
@@ -11658,7 +11659,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_6npaths_1__get__(PyObject *_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":177
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":177
  * 
  *     property npaths:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -11675,7 +11676,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_6npaths___get__(struct __pyx
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":178
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":178
  *     property npaths:
  *         def __get__(self):
  *             return self.hg.NumberOfPaths()             # <<<<<<<<<<<<<<
@@ -11713,7 +11714,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_10Hypergraph_38inside_outside(PyObject *_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":180
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":180
  *             return self.hg.NumberOfPaths()
  * 
  *     def inside_outside(self):             # <<<<<<<<<<<<<<
@@ -11737,7 +11738,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("inside_outside", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":182
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":182
  *     def inside_outside(self):
  *         """hg.inside_outside() -> SparseVector with inside-outside scores for each feature."""
  *         cdef FastSparseVector[prob_t]* result = new FastSparseVector[prob_t]()             # <<<<<<<<<<<<<<
@@ -11746,7 +11747,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
  */
   __pyx_v_result = new FastSparseVector<prob_t>();
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":183
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":183
  *         """hg.inside_outside() -> SparseVector with inside-outside scores for each feature."""
  *         cdef FastSparseVector[prob_t]* result = new FastSparseVector[prob_t]()
  *         cdef prob_t z = hypergraph.InsideOutside(self.hg[0], result)             # <<<<<<<<<<<<<<
@@ -11755,7 +11756,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
  */
   __pyx_v_z = InsideOutside<prob_t, EdgeProb, SparseVector<prob_t>, EdgeFeaturesAndProbWeightFunction>((__pyx_v_self->hg[0]), __pyx_v_result);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":184
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":184
  *         cdef FastSparseVector[prob_t]* result = new FastSparseVector[prob_t]()
  *         cdef prob_t z = hypergraph.InsideOutside(self.hg[0], result)
  *         result[0] /= z             # <<<<<<<<<<<<<<
@@ -11764,7 +11765,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
  */
   (__pyx_v_result[0]) /= __pyx_v_z;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":185
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":185
  *         cdef prob_t z = hypergraph.InsideOutside(self.hg[0], result)
  *         result[0] /= z
  *         cdef SparseVector vector = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
@@ -11777,7 +11778,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
   __pyx_v_vector = ((struct __pyx_obj_4cdec_5_cdec_SparseVector *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":186
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":186
  *         result[0] /= z
  *         cdef SparseVector vector = SparseVector.__new__(SparseVector)
  *         vector.vector = new FastSparseVector[double]()             # <<<<<<<<<<<<<<
@@ -11786,7 +11787,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
  */
   __pyx_v_vector->vector = new FastSparseVector<double>();
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":187
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":187
  *         cdef SparseVector vector = SparseVector.__new__(SparseVector)
  *         vector.vector = new FastSparseVector[double]()
  *         cdef FastSparseVector[prob_t].const_iterator* it = new FastSparseVector[prob_t].const_iterator(result[0], False)             # <<<<<<<<<<<<<<
@@ -11795,7 +11796,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
  */
   __pyx_v_it = new FastSparseVector<prob_t>::const_iterator((__pyx_v_result[0]), 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":189
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":189
  *         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()):             # <<<<<<<<<<<<<<
@@ -11806,7 +11807,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
   for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
     __pyx_v_i = __pyx_t_3;
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":190
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":190
  *         cdef unsigned i
  *         for i in range(result.size()):
  *             vector.vector.set_value(it[0].ptr().first, log(it[0].ptr().second))             # <<<<<<<<<<<<<<
@@ -11815,7 +11816,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
  */
     __pyx_v_vector->vector->set_value((__pyx_v_it[0]).operator->()->first, log((__pyx_v_it[0]).operator->()->second));
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":191
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":191
  *         for i in range(result.size()):
  *             vector.vector.set_value(it[0].ptr().first, log(it[0].ptr().second))
  *             pinc(it[0]) # ++it             # <<<<<<<<<<<<<<
@@ -11825,7 +11826,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
     (++(__pyx_v_it[0]));
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":192
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":192
  *             vector.vector.set_value(it[0].ptr().first, log(it[0].ptr().second))
  *             pinc(it[0]) # ++it
  *         del it             # <<<<<<<<<<<<<<
@@ -11834,7 +11835,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
  */
   delete __pyx_v_it;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":193
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":193
  *             pinc(it[0]) # ++it
  *         del it
  *         del result             # <<<<<<<<<<<<<<
@@ -11843,7 +11844,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
  */
   delete __pyx_v_result;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":194
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":194
  *         del it
  *         del result
  *         return vector             # <<<<<<<<<<<<<<
@@ -11868,7 +11869,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_10Hypergraph_37inside_outside(struct __py
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":201
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":201
  *     cdef public TRule trule
  * 
  *     cdef init(self, hypergraph.Hypergraph* hg, unsigned i):             # <<<<<<<<<<<<<<
@@ -11885,7 +11886,7 @@ static PyObject *__pyx_f_4cdec_5_cdec_14HypergraphEdge_init(struct __pyx_obj_4cd
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("init", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":202
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":202
  * 
  *     cdef init(self, hypergraph.Hypergraph* hg, unsigned i):
  *         self.hg = hg             # <<<<<<<<<<<<<<
@@ -11894,7 +11895,7 @@ static PyObject *__pyx_f_4cdec_5_cdec_14HypergraphEdge_init(struct __pyx_obj_4cd
  */
   __pyx_v_self->hg = __pyx_v_hg;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":203
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":203
  *     cdef init(self, hypergraph.Hypergraph* hg, unsigned i):
  *         self.hg = hg
  *         self.edge = &hg.edges_[i]             # <<<<<<<<<<<<<<
@@ -11903,7 +11904,7 @@ static PyObject *__pyx_f_4cdec_5_cdec_14HypergraphEdge_init(struct __pyx_obj_4cd
  */
   __pyx_v_self->edge = (&(__pyx_v_hg->edges_[__pyx_v_i]));
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":204
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":204
  *         self.hg = hg
  *         self.edge = &hg.edges_[i]
  *         self.trule = TRule.__new__(TRule)             # <<<<<<<<<<<<<<
@@ -11919,7 +11920,7 @@ static PyObject *__pyx_f_4cdec_5_cdec_14HypergraphEdge_init(struct __pyx_obj_4cd
   __pyx_v_self->trule = ((struct __pyx_obj_4cdec_5_cdec_TRule *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":205
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":205
  *         self.edge = &hg.edges_[i]
  *         self.trule = TRule.__new__(TRule)
  *         self.trule.rule = new shared_ptr[grammar.TRule](self.edge.rule_)             # <<<<<<<<<<<<<<
@@ -11928,7 +11929,7 @@ static PyObject *__pyx_f_4cdec_5_cdec_14HypergraphEdge_init(struct __pyx_obj_4cd
  */
   __pyx_v_self->trule->rule = new boost::shared_ptr<TRule>(__pyx_v_self->edge->rule_);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":206
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":206
  *         self.trule = TRule.__new__(TRule)
  *         self.trule.rule = new shared_ptr[grammar.TRule](self.edge.rule_)
  *         return self             # <<<<<<<<<<<<<<
@@ -11963,7 +11964,7 @@ static Py_ssize_t __pyx_pw_4cdec_5_cdec_14HypergraphEdge_1__len__(PyObject *__py
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":208
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":208
  *         return self
  * 
  *     def __len__(self):             # <<<<<<<<<<<<<<
@@ -11976,7 +11977,7 @@ static Py_ssize_t __pyx_pf_4cdec_5_cdec_14HypergraphEdge___len__(struct __pyx_ob
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__len__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":209
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":209
  * 
  *     def __len__(self):
  *         return self.edge.tail_nodes_.size()             # <<<<<<<<<<<<<<
@@ -12003,7 +12004,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_14HypergraphEdge_9head_node_1__get__(PyOb
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":212
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":212
  * 
  *     property head_node:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -12021,7 +12022,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_9head_node___get__(struc
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":213
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":213
  *     property head_node:
  *         def __get__(self):
  *             return HypergraphNode().init(self.hg, self.edge.head_node_)             # <<<<<<<<<<<<<<
@@ -12063,7 +12064,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_14HypergraphEdge_10tail_nodes_1__get__(Py
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":216
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":216
  * 
  *     property tail_nodes:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -12130,7 +12131,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_14HypergraphEdge_10tail_nodes_2generator1
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 216; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":218
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":218
  *         def __get__(self):
  *             cdef unsigned i
  *             for i in range(self.edge.tail_nodes_.size()):             # <<<<<<<<<<<<<<
@@ -12141,7 +12142,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_14HypergraphEdge_10tail_nodes_2generator1
   for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_cur_scope->__pyx_v_i = __pyx_t_2;
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":219
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":219
  *             cdef unsigned i
  *             for i in range(self.edge.tail_nodes_.size()):
  *                 yield HypergraphNode().init(self.hg, self.edge.tail_nodes_[i])             # <<<<<<<<<<<<<<
@@ -12192,7 +12193,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_14HypergraphEdge_4span_1__get__(PyObject
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":222
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":222
  * 
  *     property span:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -12211,7 +12212,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_4span___get__(struct __p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":223
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":223
  *     property span:
  *         def __get__(self):
  *             return (self.edge.i_, self.edge.j_)             # <<<<<<<<<<<<<<
@@ -12260,7 +12261,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_14HypergraphEdge_8src_span_1__get__(PyObj
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":226
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":226
  * 
  *     property src_span:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -12279,7 +12280,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_8src_span___get__(struct
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":227
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":227
  *     property src_span:
  *         def __get__(self):
  *             return (self.edge.prev_i_, self.edge.prev_j_)             # <<<<<<<<<<<<<<
@@ -12328,7 +12329,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_14HypergraphEdge_14feature_values_1__get_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":230
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":230
  * 
  *     property feature_values:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -12346,7 +12347,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_14feature_values___get__
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":231
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":231
  *     property feature_values:
  *         def __get__(self):
  *             cdef SparseVector vector = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
@@ -12359,7 +12360,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_14feature_values___get__
   __pyx_v_vector = ((struct __pyx_obj_4cdec_5_cdec_SparseVector *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":232
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":232
  *         def __get__(self):
  *             cdef SparseVector vector = SparseVector.__new__(SparseVector)
  *             vector.vector = new FastSparseVector[double](self.edge.feature_values_)             # <<<<<<<<<<<<<<
@@ -12368,7 +12369,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_14feature_values___get__
  */
   __pyx_v_vector->vector = new FastSparseVector<double>(__pyx_v_self->edge->feature_values_);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":233
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":233
  *             cdef SparseVector vector = SparseVector.__new__(SparseVector)
  *             vector.vector = new FastSparseVector[double](self.edge.feature_values_)
  *             return vector             # <<<<<<<<<<<<<<
@@ -12404,7 +12405,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_14HypergraphEdge_4prob_1__get__(PyObject
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":236
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":236
  * 
  *     property prob:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -12421,7 +12422,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_4prob___get__(struct __p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":237
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":237
  *     property prob:
  *         def __get__(self):
  *             return self.edge.edge_prob_.as_float()             # <<<<<<<<<<<<<<
@@ -12467,7 +12468,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_14HypergraphEdge_3__richcmp__(PyObject *_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":239
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":239
  *             return self.edge.edge_prob_.as_float()
  * 
  *     def __richcmp__(HypergraphEdge x, HypergraphEdge y, int op):             # <<<<<<<<<<<<<<
@@ -12485,7 +12486,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_2__richcmp__(struct __py
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__richcmp__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":242
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":242
  *         if op == 2: # ==
  *             return x.edge == y.edge
  *         elif op == 3: # !=             # <<<<<<<<<<<<<<
@@ -12494,7 +12495,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_2__richcmp__(struct __py
  */
   switch (__pyx_v_op) {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":240
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":240
  * 
  *     def __richcmp__(HypergraphEdge x, HypergraphEdge y, int op):
  *         if op == 2: # ==             # <<<<<<<<<<<<<<
@@ -12503,7 +12504,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_2__richcmp__(struct __py
  */
     case 2:
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":241
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":241
  *     def __richcmp__(HypergraphEdge x, HypergraphEdge y, int op):
  *         if op == 2: # ==
  *             return x.edge == y.edge             # <<<<<<<<<<<<<<
@@ -12518,7 +12519,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_2__richcmp__(struct __py
     goto __pyx_L0;
     break;
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":242
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":242
  *         if op == 2: # ==
  *             return x.edge == y.edge
  *         elif op == 3: # !=             # <<<<<<<<<<<<<<
@@ -12527,7 +12528,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_2__richcmp__(struct __py
  */
     case 3:
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":243
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":243
  *             return x.edge == y.edge
  *         elif op == 3: # !=
  *             return not (x == y)             # <<<<<<<<<<<<<<
@@ -12546,7 +12547,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphEdge_2__richcmp__(struct __py
     break;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":244
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":244
  *         elif op == 3: # !=
  *             return not (x == y)
  *         raise NotImplemented('comparison not implemented for HypergraphEdge')             # <<<<<<<<<<<<<<
@@ -12582,7 +12583,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_14HypergraphEdge_5trule_1__get__(PyObject
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":199
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":199
  *     cdef hypergraph.Hypergraph* hg
  *     cdef hypergraph.HypergraphEdge* edge
  *     cdef public TRule trule             # <<<<<<<<<<<<<<
@@ -12667,7 +12668,7 @@ static int __pyx_pf_4cdec_5_cdec_14HypergraphEdge_5trule_4__del__(struct __pyx_o
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":250
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":250
  *     cdef hypergraph.HypergraphNode* node
  * 
  *     cdef init(self, hypergraph.Hypergraph* hg, unsigned i):             # <<<<<<<<<<<<<<
@@ -12680,7 +12681,7 @@ static PyObject *__pyx_f_4cdec_5_cdec_14HypergraphNode_init(struct __pyx_obj_4cd
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("init", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":251
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":251
  * 
  *     cdef init(self, hypergraph.Hypergraph* hg, unsigned i):
  *         self.hg = hg             # <<<<<<<<<<<<<<
@@ -12689,7 +12690,7 @@ static PyObject *__pyx_f_4cdec_5_cdec_14HypergraphNode_init(struct __pyx_obj_4cd
  */
   __pyx_v_self->hg = __pyx_v_hg;
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":252
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":252
  *     cdef init(self, hypergraph.Hypergraph* hg, unsigned i):
  *         self.hg = hg
  *         self.node = &hg.nodes_[i]             # <<<<<<<<<<<<<<
@@ -12698,12 +12699,12 @@ static PyObject *__pyx_f_4cdec_5_cdec_14HypergraphNode_init(struct __pyx_obj_4cd
  */
   __pyx_v_self->node = (&(__pyx_v_hg->nodes_[__pyx_v_i]));
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":253
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":253
  *         self.hg = hg
  *         self.node = &hg.nodes_[i]
  *         return self             # <<<<<<<<<<<<<<
  * 
- *     property in_edges:
+ *     property id:
  */
   __Pyx_XDECREF(__pyx_r);
   __Pyx_INCREF(((PyObject *)__pyx_v_self));
@@ -12716,6 +12717,60 @@ static PyObject *__pyx_f_4cdec_5_cdec_14HypergraphNode_init(struct __pyx_obj_4cd
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
+
+/* Python wrapper */
+static PyObject *__pyx_pw_4cdec_5_cdec_14HypergraphNode_2id_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_4cdec_5_cdec_14HypergraphNode_2id_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_4cdec_5_cdec_14HypergraphNode_2id___get__(((struct __pyx_obj_4cdec_5_cdec_HypergraphNode *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
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+static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphNode_2id___get__(struct __pyx_obj_4cdec_5_cdec_HypergraphNode *__pyx_v_self) {
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 /* Python wrapper */
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 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":256
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":260
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@@ -13137,7 +13192,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_14HypergraphNode_1__richcmp__(PyObject *_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":276
+/* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":280
  *                 return str(TDConvert(-self.node.cat_).c_str())
  * 
  *     def __richcmp__(HypergraphNode x, HypergraphNode y, int op):             # <<<<<<<<<<<<<<
@@ -13155,7 +13210,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphNode___richcmp__(struct __pyx
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__richcmp__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":279
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":283
  *         if op == 2: # ==
  *             return x.node == y.node
  *         elif op == 3: # !=             # <<<<<<<<<<<<<<
@@ -13164,7 +13219,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphNode___richcmp__(struct __pyx
  */
   switch (__pyx_v_op) {
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":277
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":281
  * 
  *     def __richcmp__(HypergraphNode x, HypergraphNode y, int op):
  *         if op == 2: # ==             # <<<<<<<<<<<<<<
@@ -13173,7 +13228,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphNode___richcmp__(struct __pyx
  */
     case 2:
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":278
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":282
  *     def __richcmp__(HypergraphNode x, HypergraphNode y, int op):
  *         if op == 2: # ==
  *             return x.node == y.node             # <<<<<<<<<<<<<<
@@ -13181,14 +13236,14 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphNode___richcmp__(struct __pyx
  *             return not (x == y)
  */
     __Pyx_XDECREF(__pyx_r);
-    __pyx_t_1 = __Pyx_PyBool_FromLong((__pyx_v_x->node == __pyx_v_y->node)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 278; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyBool_FromLong((__pyx_v_x->node == __pyx_v_y->node)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 282; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __pyx_r = __pyx_t_1;
     __pyx_t_1 = 0;
     goto __pyx_L0;
     break;
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":279
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":283
  *         if op == 2: # ==
  *             return x.node == y.node
  *         elif op == 3: # !=             # <<<<<<<<<<<<<<
@@ -13197,17 +13252,17 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphNode___richcmp__(struct __pyx
  */
     case 3:
 
-    /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":280
+    /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":284
  *             return x.node == y.node
  *         elif op == 3: # !=
  *             return not (x == y)             # <<<<<<<<<<<<<<
  *         raise NotImplemented('comparison not implemented for HypergraphNode')
  */
     __Pyx_XDECREF(__pyx_r);
-    __pyx_t_1 = PyObject_RichCompare(((PyObject *)__pyx_v_x), ((PyObject *)__pyx_v_y), Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 280; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 280; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyObject_RichCompare(((PyObject *)__pyx_v_x), ((PyObject *)__pyx_v_y), Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 284; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 284; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    __pyx_t_1 = __Pyx_PyBool_FromLong((!__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 280; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyBool_FromLong((!__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 284; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __pyx_r = __pyx_t_1;
     __pyx_t_1 = 0;
@@ -13215,16 +13270,16 @@ static PyObject *__pyx_pf_4cdec_5_cdec_14HypergraphNode___richcmp__(struct __pyx
     break;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":281
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":285
  *         elif op == 3: # !=
  *             return not (x == y)
  *         raise NotImplemented('comparison not implemented for HypergraphNode')             # <<<<<<<<<<<<<<
  */
-  __pyx_t_1 = PyObject_Call(__pyx_builtin_NotImplemented, ((PyObject *)__pyx_k_tuple_21), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 281; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(__pyx_builtin_NotImplemented, ((PyObject *)__pyx_k_tuple_21), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 285; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_Raise(__pyx_t_1, 0, 0, 0);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  {__pyx_filename = __pyx_f[3]; __pyx_lineno = 281; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  {__pyx_filename = __pyx_f[3]; __pyx_lineno = 285; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
   __pyx_r = Py_None; __Pyx_INCREF(Py_None);
   goto __pyx_L0;
@@ -13252,7 +13307,7 @@ static int __pyx_pw_4cdec_5_cdec_7Lattice_1__cinit__(PyObject *__pyx_v_self, PyO
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":6
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":6
  *     cdef lattice.Lattice* lattice
  * 
  *     def __cinit__(self):             # <<<<<<<<<<<<<<
@@ -13265,7 +13320,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice___cinit__(struct __pyx_obj_4cdec_5_cde
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":7
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":7
  * 
  *     def __cinit__(self):
  *         self.lattice = new lattice.Lattice()             # <<<<<<<<<<<<<<
@@ -13333,7 +13388,7 @@ static int __pyx_pw_4cdec_5_cdec_7Lattice_3__init__(PyObject *__pyx_v_self, PyOb
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":9
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":9
  *         self.lattice = new lattice.Lattice()
  * 
  *     def __init__(self, inp):             # <<<<<<<<<<<<<<
@@ -13359,7 +13414,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_2__init__(struct __pyx_obj_4cdec_5_cde
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__init__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":12
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":12
  *         """Lattice(tuple) -> Lattice from node list.
  *         Lattice(string) -> Lattice from PLF representation."""
  *         if isinstance(inp, tuple):             # <<<<<<<<<<<<<<
@@ -13370,7 +13425,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_2__init__(struct __pyx_obj_4cdec_5_cde
   __pyx_t_2 = (__pyx_t_1 != 0);
   if (__pyx_t_2) {
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":13
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":13
  *         Lattice(string) -> Lattice from PLF representation."""
  *         if isinstance(inp, tuple):
  *             self.lattice.resize(len(inp))             # <<<<<<<<<<<<<<
@@ -13380,7 +13435,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_2__init__(struct __pyx_obj_4cdec_5_cde
     __pyx_t_3 = PyObject_Length(__pyx_v_inp); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 13; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_v_self->lattice->resize(__pyx_t_3);
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":14
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":14
  *         if isinstance(inp, tuple):
  *             self.lattice.resize(len(inp))
  *             for i, arcs in enumerate(inp):             # <<<<<<<<<<<<<<
@@ -13435,7 +13490,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_2__init__(struct __pyx_obj_4cdec_5_cde
       __pyx_t_4 = __pyx_t_7;
       __pyx_t_7 = 0;
 
-      /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":15
+      /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":15
  *             self.lattice.resize(len(inp))
  *             for i, arcs in enumerate(inp):
  *                 self[i] = arcs             # <<<<<<<<<<<<<<
@@ -13449,7 +13504,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_2__init__(struct __pyx_obj_4cdec_5_cde
     goto __pyx_L3;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":16
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":16
  *             for i, arcs in enumerate(inp):
  *                 self[i] = arcs
  *         elif isinstance(inp, basestring):             # <<<<<<<<<<<<<<
@@ -13460,7 +13515,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_2__init__(struct __pyx_obj_4cdec_5_cde
   __pyx_t_1 = (__pyx_t_2 != 0);
   if (__pyx_t_1) {
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":17
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":17
  *                 self[i] = arcs
  *         elif isinstance(inp, basestring):
  *             lattice.ConvertTextOrPLF(as_str(inp), self.lattice)             # <<<<<<<<<<<<<<
@@ -13476,7 +13531,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_2__init__(struct __pyx_obj_4cdec_5_cde
   }
   /*else*/ {
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":19
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":19
  *             lattice.ConvertTextOrPLF(as_str(inp), self.lattice)
  *         else:
  *             raise TypeError('cannot create lattice from %s' % type(inp))             # <<<<<<<<<<<<<<
@@ -13523,7 +13578,7 @@ static void __pyx_pw_4cdec_5_cdec_7Lattice_5__dealloc__(PyObject *__pyx_v_self)
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":21
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":21
  *             raise TypeError('cannot create lattice from %s' % type(inp))
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -13535,7 +13590,7 @@ static void __pyx_pf_4cdec_5_cdec_7Lattice_4__dealloc__(CYTHON_UNUSED struct __p
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":22
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":22
  * 
  *     def __dealloc__(self):
  *         del self.lattice             # <<<<<<<<<<<<<<
@@ -13571,7 +13626,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_7Lattice_7__getitem__(PyObject *__pyx_v_s
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":24
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":24
  *         del self.lattice
  * 
  *     def __getitem__(self, int index):             # <<<<<<<<<<<<<<
@@ -13601,7 +13656,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_6__getitem__(struct __pyx_obj_4c
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__getitem__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":25
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":25
  * 
  *     def __getitem__(self, int index):
  *         if not 0 <= index < len(self):             # <<<<<<<<<<<<<<
@@ -13616,7 +13671,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_6__getitem__(struct __pyx_obj_4c
   __pyx_t_3 = ((!(__pyx_t_1 != 0)) != 0);
   if (__pyx_t_3) {
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":26
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":26
  *     def __getitem__(self, int index):
  *         if not 0 <= index < len(self):
  *             raise IndexError('lattice index out of range')             # <<<<<<<<<<<<<<
@@ -13632,7 +13687,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_6__getitem__(struct __pyx_obj_4c
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":27
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":27
  *         if not 0 <= index < len(self):
  *             raise IndexError('lattice index out of range')
  *         arcs = []             # <<<<<<<<<<<<<<
@@ -13644,7 +13699,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_6__getitem__(struct __pyx_obj_4c
   __pyx_v_arcs = ((PyObject*)__pyx_t_4);
   __pyx_t_4 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":28
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":28
  *             raise IndexError('lattice index out of range')
  *         arcs = []
  *         cdef vector[lattice.LatticeArc] arc_vector = self.lattice[0][index]             # <<<<<<<<<<<<<<
@@ -13653,7 +13708,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_6__getitem__(struct __pyx_obj_4c
  */
   __pyx_v_arc_vector = ((__pyx_v_self->lattice[0])[__pyx_v_index]);
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":31
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":31
  *         cdef lattice.LatticeArc* arc
  *         cdef unsigned i
  *         for i in range(arc_vector.size()):             # <<<<<<<<<<<<<<
@@ -13664,7 +13719,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_6__getitem__(struct __pyx_obj_4c
   for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
     __pyx_v_i = __pyx_t_6;
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":32
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":32
  *         cdef unsigned i
  *         for i in range(arc_vector.size()):
  *             arc = &arc_vector[i]             # <<<<<<<<<<<<<<
@@ -13673,7 +13728,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_6__getitem__(struct __pyx_obj_4c
  */
     __pyx_v_arc = (&(__pyx_v_arc_vector[__pyx_v_i]));
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":33
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":33
  *         for i in range(arc_vector.size()):
  *             arc = &arc_vector[i]
  *             label = unicode(TDConvert(arc.label).c_str(), 'utf8')             # <<<<<<<<<<<<<<
@@ -13697,7 +13752,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_6__getitem__(struct __pyx_obj_4c
     __pyx_v_label = ((PyObject*)__pyx_t_4);
     __pyx_t_4 = 0;
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":34
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":34
  *             arc = &arc_vector[i]
  *             label = unicode(TDConvert(arc.label).c_str(), 'utf8')
  *             arcs.append((label, arc.cost, arc.dist2next))             # <<<<<<<<<<<<<<
@@ -13723,7 +13778,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_6__getitem__(struct __pyx_obj_4c
     __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":35
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":35
  *             label = unicode(TDConvert(arc.label).c_str(), 'utf8')
  *             arcs.append((label, arc.cost, arc.dist2next))
  *         return tuple(arcs)             # <<<<<<<<<<<<<<
@@ -13782,7 +13837,7 @@ static int __pyx_pw_4cdec_5_cdec_7Lattice_9__setitem__(PyObject *__pyx_v_self, P
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":37
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":37
  *         return tuple(arcs)
  * 
  *     def __setitem__(self, int index, tuple arcs):             # <<<<<<<<<<<<<<
@@ -13816,7 +13871,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_8__setitem__(struct __pyx_obj_4cdec_5_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__setitem__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":38
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":38
  * 
  *     def __setitem__(self, int index, tuple arcs):
  *         if not 0 <= index < len(self):             # <<<<<<<<<<<<<<
@@ -13831,7 +13886,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_8__setitem__(struct __pyx_obj_4cdec_5_
   __pyx_t_3 = ((!(__pyx_t_1 != 0)) != 0);
   if (__pyx_t_3) {
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":39
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":39
  *     def __setitem__(self, int index, tuple arcs):
  *         if not 0 <= index < len(self):
  *             raise IndexError('lattice index out of range')             # <<<<<<<<<<<<<<
@@ -13847,7 +13902,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_8__setitem__(struct __pyx_obj_4cdec_5_
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":41
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":41
  *             raise IndexError('lattice index out of range')
  *         cdef lattice.LatticeArc* arc
  *         for (label, cost, dist2next) in arcs:             # <<<<<<<<<<<<<<
@@ -13934,7 +13989,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_8__setitem__(struct __pyx_obj_4cdec_5_
     __pyx_v_dist2next = __pyx_t_8;
     __pyx_t_8 = 0;
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":42
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":42
  *         cdef lattice.LatticeArc* arc
  *         for (label, cost, dist2next) in arcs:
  *             label_str = as_str(label)             # <<<<<<<<<<<<<<
@@ -13947,7 +14002,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_8__setitem__(struct __pyx_obj_4cdec_5_
     __pyx_v_label_str = ((PyObject*)__pyx_t_5);
     __pyx_t_5 = 0;
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":43
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":43
  *         for (label, cost, dist2next) in arcs:
  *             label_str = as_str(label)
  *             arc = new lattice.LatticeArc(TDConvert(label_str), cost, dist2next)             # <<<<<<<<<<<<<<
@@ -13959,7 +14014,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_8__setitem__(struct __pyx_obj_4cdec_5_
     __pyx_t_13 = __Pyx_PyInt_AsInt(__pyx_v_dist2next); if (unlikely((__pyx_t_13 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_v_arc = new LatticeArc(TD::Convert(__pyx_t_11), __pyx_t_12, __pyx_t_13);
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":44
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":44
  *             label_str = as_str(label)
  *             arc = new lattice.LatticeArc(TDConvert(label_str), cost, dist2next)
  *             self.lattice[0][index].push_back(arc[0])             # <<<<<<<<<<<<<<
@@ -13968,7 +14023,7 @@ static int __pyx_pf_4cdec_5_cdec_7Lattice_8__setitem__(struct __pyx_obj_4cdec_5_
  */
     ((__pyx_v_self->lattice[0])[__pyx_v_index]).push_back((__pyx_v_arc[0]));
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":45
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":45
  *             arc = new lattice.LatticeArc(TDConvert(label_str), cost, dist2next)
  *             self.lattice[0][index].push_back(arc[0])
  *             del arc             # <<<<<<<<<<<<<<
@@ -14010,7 +14065,7 @@ static Py_ssize_t __pyx_pw_4cdec_5_cdec_7Lattice_11__len__(PyObject *__pyx_v_sel
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":47
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":47
  *             del arc
  * 
  *     def __len__(self):             # <<<<<<<<<<<<<<
@@ -14023,7 +14078,7 @@ static Py_ssize_t __pyx_pf_4cdec_5_cdec_7Lattice_10__len__(struct __pyx_obj_4cde
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__len__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":48
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":48
  * 
  *     def __len__(self):
  *         return self.lattice.size()             # <<<<<<<<<<<<<<
@@ -14050,7 +14105,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_7Lattice_13__str__(PyObject *__pyx_v_self
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":50
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":50
  *         return self.lattice.size()
  * 
  *     def __str__(self):             # <<<<<<<<<<<<<<
@@ -14068,7 +14123,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_12__str__(struct __pyx_obj_4cdec
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__str__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":51
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":51
  * 
  *     def __str__(self):
  *         return str(hypergraph.AsPLF(self.lattice[0], True).c_str())             # <<<<<<<<<<<<<<
@@ -14114,7 +14169,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_7Lattice_15__unicode__(PyObject *__pyx_v_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":53
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":53
  *         return str(hypergraph.AsPLF(self.lattice[0], True).c_str())
  * 
  *     def __unicode__(self):             # <<<<<<<<<<<<<<
@@ -14132,7 +14187,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_14__unicode__(struct __pyx_obj_4
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__unicode__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":54
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":54
  * 
  *     def __unicode__(self):
  *         return unicode(str(self), 'utf8')             # <<<<<<<<<<<<<<
@@ -14188,7 +14243,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_7Lattice_17__iter__(PyObject *__pyx_v_sel
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":56
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":56
  *         return unicode(str(self), 'utf8')
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -14254,7 +14309,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Lattice_18generator14(__pyx_GeneratorObj
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":58
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":58
  *     def __iter__(self):
  *         cdef unsigned i
  *         for i in range(len(self)):             # <<<<<<<<<<<<<<
@@ -14265,7 +14320,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Lattice_18generator14(__pyx_GeneratorObj
   for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_cur_scope->__pyx_v_i = __pyx_t_2;
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":59
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":59
  *         cdef unsigned i
  *         for i in range(len(self)):
  *             yield self[i]             # <<<<<<<<<<<<<<
@@ -14326,7 +14381,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_7Lattice_5todot_1lines(PyObject *__pyx_se
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":63
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":63
  *     def todot(self):
  *         """lattice.todot() -> Representation of the lattice in GraphViz dot format."""
  *         def lines():             # <<<<<<<<<<<<<<
@@ -14406,7 +14461,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Lattice_5todot_2generator20(__pyx_Genera
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":64
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":64
  *         """lattice.todot() -> Representation of the lattice in GraphViz dot format."""
  *         def lines():
  *             yield 'digraph lattice {'             # <<<<<<<<<<<<<<
@@ -14423,7 +14478,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Lattice_5todot_2generator20(__pyx_Genera
   __pyx_L4_resume_from_yield:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":65
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":65
  *         def lines():
  *             yield 'digraph lattice {'
  *             yield 'rankdir = LR;'             # <<<<<<<<<<<<<<
@@ -14440,7 +14495,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Lattice_5todot_2generator20(__pyx_Genera
   __pyx_L5_resume_from_yield:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":66
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":66
  *             yield 'digraph lattice {'
  *             yield 'rankdir = LR;'
  *             yield 'node [shape=circle];'             # <<<<<<<<<<<<<<
@@ -14457,7 +14512,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Lattice_5todot_2generator20(__pyx_Genera
   __pyx_L6_resume_from_yield:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 66; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":67
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":67
  *             yield 'rankdir = LR;'
  *             yield 'node [shape=circle];'
  *             for i in range(len(self)):             # <<<<<<<<<<<<<<
@@ -14520,7 +14575,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Lattice_5todot_2generator20(__pyx_Genera
     __pyx_cur_scope->__pyx_v_i = __pyx_t_1;
     __pyx_t_1 = 0;
 
-    /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":68
+    /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":68
  *             yield 'node [shape=circle];'
  *             for i in range(len(self)):
  *                 for label, weight, delta in self[i]:             # <<<<<<<<<<<<<<
@@ -14638,7 +14693,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Lattice_5todot_2generator20(__pyx_Genera
       __pyx_cur_scope->__pyx_v_delta = __pyx_t_10;
       __pyx_t_10 = 0;
 
-      /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":69
+      /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":69
  *             for i in range(len(self)):
  *                 for label, weight, delta in self[i]:
  *                     yield '%d -> %d [label="%s"];' % (i, i+delta, label.replace('"', '\\"'))             # <<<<<<<<<<<<<<
@@ -14698,7 +14753,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Lattice_5todot_2generator20(__pyx_Genera
   }
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":70
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":70
  *                 for label, weight, delta in self[i]:
  *                     yield '%d -> %d [label="%s"];' % (i, i+delta, label.replace('"', '\\"'))
  *             yield '%d [shape=doublecircle]' % len(self)             # <<<<<<<<<<<<<<
@@ -14724,7 +14779,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Lattice_5todot_2generator20(__pyx_Genera
   __pyx_L14_resume_from_yield:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":71
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":71
  *                     yield '%d -> %d [label="%s"];' % (i, i+delta, label.replace('"', '\\"'))
  *             yield '%d [shape=doublecircle]' % len(self)
  *             yield '}'             # <<<<<<<<<<<<<<
@@ -14759,7 +14814,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_7Lattice_5todot_2generator20(__pyx_Genera
   return NULL;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":61
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":61
  *             yield self[i]
  * 
  *     def todot(self):             # <<<<<<<<<<<<<<
@@ -14789,7 +14844,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_19todot(struct __pyx_obj_4cdec_5
   __Pyx_INCREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
   __Pyx_GIVEREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":63
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":63
  *     def todot(self):
  *         """lattice.todot() -> Representation of the lattice in GraphViz dot format."""
  *         def lines():             # <<<<<<<<<<<<<<
@@ -14801,7 +14856,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_19todot(struct __pyx_obj_4cdec_5
   __pyx_v_lines = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":72
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":72
  *             yield '%d [shape=doublecircle]' % len(self)
  *             yield '}'
  *         return '\n'.join(lines()).encode('utf8')             # <<<<<<<<<<<<<<
@@ -14860,7 +14915,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_7Lattice_22as_hypergraph(PyObject *__pyx_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/lattice.pxi":74
+/* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":74
  *         return '\n'.join(lines()).encode('utf8')
  * 
  *     def as_hypergraph(self):             # <<<<<<<<<<<<<<
@@ -14881,7 +14936,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_21as_hypergraph(struct __pyx_obj
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("as_hypergraph", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":76
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":76
  *     def as_hypergraph(self):
  *         """lattice.as_hypergraph() -> Hypergraph representation of the lattice."""
  *         cdef Hypergraph result = Hypergraph.__new__(Hypergraph)             # <<<<<<<<<<<<<<
@@ -14894,7 +14949,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_21as_hypergraph(struct __pyx_obj
   __pyx_v_result = ((struct __pyx_obj_4cdec_5_cdec_Hypergraph *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":77
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":77
  *         """lattice.as_hypergraph() -> Hypergraph representation of the lattice."""
  *         cdef Hypergraph result = Hypergraph.__new__(Hypergraph)
  *         result.hg = new hypergraph.Hypergraph()             # <<<<<<<<<<<<<<
@@ -14903,7 +14958,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_21as_hypergraph(struct __pyx_obj
  */
   __pyx_v_result->hg = new Hypergraph();
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":78
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":78
  *         cdef Hypergraph result = Hypergraph.__new__(Hypergraph)
  *         result.hg = new hypergraph.Hypergraph()
  *         cdef bytes plf = str(self)             # <<<<<<<<<<<<<<
@@ -14922,7 +14977,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_21as_hypergraph(struct __pyx_obj
   __pyx_v_plf = ((PyObject*)__pyx_t_2);
   __pyx_t_2 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":79
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":79
  *         result.hg = new hypergraph.Hypergraph()
  *         cdef bytes plf = str(self)
  *         hypergraph.ReadFromPLF(plf, result.hg)             # <<<<<<<<<<<<<<
@@ -14931,7 +14986,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_21as_hypergraph(struct __pyx_obj
   __pyx_t_3 = __pyx_convert_string_from_py_(((PyObject *)__pyx_v_plf)); if (unlikely(PyErr_Occurred())) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 79; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   HypergraphIO::ReadFromPLF(__pyx_t_3, __pyx_v_result->hg);
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":80
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":80
  *         cdef bytes plf = str(self)
  *         hypergraph.ReadFromPLF(plf, result.hg)
  *         return result             # <<<<<<<<<<<<<<
@@ -14956,7 +15011,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_7Lattice_21as_hypergraph(struct __pyx_obj
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":3
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":3
  * cimport mteval
  * 
  * cdef SufficientStats as_stats(x, y):             # <<<<<<<<<<<<<<
@@ -14978,7 +15033,7 @@ static struct __pyx_obj_4cdec_5_cdec_SufficientStats *__pyx_f_4cdec_5_cdec_as_st
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("as_stats", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":4
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":4
  * 
  * cdef SufficientStats as_stats(x, y):
  *     if isinstance(x, SufficientStats):             # <<<<<<<<<<<<<<
@@ -14989,7 +15044,7 @@ static struct __pyx_obj_4cdec_5_cdec_SufficientStats *__pyx_f_4cdec_5_cdec_as_st
   __pyx_t_2 = (__pyx_t_1 != 0);
   if (__pyx_t_2) {
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":5
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":5
  * cdef SufficientStats as_stats(x, y):
  *     if isinstance(x, SufficientStats):
  *         return x             # <<<<<<<<<<<<<<
@@ -15004,7 +15059,7 @@ static struct __pyx_obj_4cdec_5_cdec_SufficientStats *__pyx_f_4cdec_5_cdec_as_st
     goto __pyx_L3;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":6
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":6
  *     if isinstance(x, SufficientStats):
  *         return x
  *     elif x == 0 and isinstance(y, SufficientStats):             # <<<<<<<<<<<<<<
@@ -15022,7 +15077,7 @@ static struct __pyx_obj_4cdec_5_cdec_SufficientStats *__pyx_f_4cdec_5_cdec_as_st
   }
   if (__pyx_t_4) {
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":7
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":7
  *         return x
  *     elif x == 0 and isinstance(y, SufficientStats):
  *         stats = SufficientStats()             # <<<<<<<<<<<<<<
@@ -15034,7 +15089,7 @@ static struct __pyx_obj_4cdec_5_cdec_SufficientStats *__pyx_f_4cdec_5_cdec_as_st
     __pyx_v_stats = ((struct __pyx_obj_4cdec_5_cdec_SufficientStats *)__pyx_t_3);
     __pyx_t_3 = 0;
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":8
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":8
  *     elif x == 0 and isinstance(y, SufficientStats):
  *         stats = SufficientStats()
  *         stats.stats = new mteval.SufficientStats()             # <<<<<<<<<<<<<<
@@ -15043,7 +15098,7 @@ static struct __pyx_obj_4cdec_5_cdec_SufficientStats *__pyx_f_4cdec_5_cdec_as_st
  */
     __pyx_v_stats->stats = new SufficientStats();
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":9
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":9
  *         stats = SufficientStats()
  *         stats.stats = new mteval.SufficientStats()
  *         stats.metric = (<SufficientStats> y).metric             # <<<<<<<<<<<<<<
@@ -15053,7 +15108,7 @@ static struct __pyx_obj_4cdec_5_cdec_SufficientStats *__pyx_f_4cdec_5_cdec_as_st
     __pyx_t_5 = ((struct __pyx_obj_4cdec_5_cdec_SufficientStats *)__pyx_v_y)->metric;
     __pyx_v_stats->metric = __pyx_t_5;
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":10
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":10
  *         stats.stats = new mteval.SufficientStats()
  *         stats.metric = (<SufficientStats> y).metric
  *         return stats             # <<<<<<<<<<<<<<
@@ -15092,7 +15147,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_9Candidate_5words_1__get__(PyObject *__py
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":17
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":17
  * 
  *     property words:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -15111,7 +15166,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_9Candidate_5words___get__(struct __pyx_ob
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":18
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":18
  *     property words:
  *         def __get__(self):
  *             return unicode(GetString(self.candidate.ewords).c_str(), encoding='utf8')             # <<<<<<<<<<<<<<
@@ -15162,7 +15217,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_9Candidate_4fmap_1__get__(PyObject *__pyx
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":21
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":21
  * 
  *     property fmap:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -15180,7 +15235,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_9Candidate_4fmap___get__(struct __pyx_obj
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":22
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":22
  *     property fmap:
  *         def __get__(self):
  *             cdef SparseVector fmap = SparseVector.__new__(SparseVector)             # <<<<<<<<<<<<<<
@@ -15193,7 +15248,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_9Candidate_4fmap___get__(struct __pyx_obj
   __pyx_v_fmap = ((struct __pyx_obj_4cdec_5_cdec_SparseVector *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":23
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":23
  *         def __get__(self):
  *             cdef SparseVector fmap = SparseVector.__new__(SparseVector)
  *             fmap.vector = new FastSparseVector[weight_t](self.candidate.fmap)             # <<<<<<<<<<<<<<
@@ -15202,7 +15257,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_9Candidate_4fmap___get__(struct __pyx_obj
  */
   __pyx_v_fmap->vector = new FastSparseVector<weight_t>(__pyx_v_self->candidate->fmap);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":24
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":24
  *             cdef SparseVector fmap = SparseVector.__new__(SparseVector)
  *             fmap.vector = new FastSparseVector[weight_t](self.candidate.fmap)
  *             return fmap             # <<<<<<<<<<<<<<
@@ -15238,7 +15293,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_9Candidate_5score_1__get__(PyObject *__py
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":14
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":14
  * cdef class Candidate:
  *     cdef mteval.const_Candidate* candidate
  *     cdef public float score             # <<<<<<<<<<<<<<
@@ -15314,7 +15369,7 @@ static void __pyx_pw_4cdec_5_cdec_15SufficientStats_1__dealloc__(PyObject *__pyx
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":30
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":30
  *     cdef mteval.EvaluationMetric* metric
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -15326,7 +15381,7 @@ static void __pyx_pf_4cdec_5_cdec_15SufficientStats___dealloc__(CYTHON_UNUSED st
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":31
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":31
  * 
  *     def __dealloc__(self):
  *         del self.stats             # <<<<<<<<<<<<<<
@@ -15349,7 +15404,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_15SufficientStats_5score_1__get__(PyObjec
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":34
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":34
  * 
  *     property score:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -15366,7 +15421,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_5score___get__(struct _
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":35
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":35
  *     property score:
  *         def __get__(self):
  *             return self.metric.ComputeScore(self.stats[0])             # <<<<<<<<<<<<<<
@@ -15403,7 +15458,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_15SufficientStats_6detail_1__get__(PyObje
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":38
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":38
  * 
  *     property detail:
  *         def __get__(self):             # <<<<<<<<<<<<<<
@@ -15421,7 +15476,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_6detail___get__(struct
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":39
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":39
  *     property detail:
  *         def __get__(self):
  *             return str(self.metric.DetailedScore(self.stats[0]).c_str())             # <<<<<<<<<<<<<<
@@ -15467,7 +15522,7 @@ static Py_ssize_t __pyx_pw_4cdec_5_cdec_15SufficientStats_3__len__(PyObject *__p
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":41
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":41
  *             return str(self.metric.DetailedScore(self.stats[0]).c_str())
  * 
  *     def __len__(self):             # <<<<<<<<<<<<<<
@@ -15480,7 +15535,7 @@ static Py_ssize_t __pyx_pf_4cdec_5_cdec_15SufficientStats_2__len__(struct __pyx_
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__len__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":42
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":42
  * 
  *     def __len__(self):
  *         return self.stats.size()             # <<<<<<<<<<<<<<
@@ -15508,7 +15563,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_15SufficientStats_5__iter__(PyObject *__p
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":44
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":44
  *         return self.stats.size()
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -15575,7 +15630,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_15SufficientStats_6generator15(__pyx_Gene
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 44; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":45
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":45
  * 
  *     def __iter__(self):
  *         for i in range(len(self)):             # <<<<<<<<<<<<<<
@@ -15634,7 +15689,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_15SufficientStats_6generator15(__pyx_Gene
     __pyx_cur_scope->__pyx_v_i = __pyx_t_2;
     __pyx_t_2 = 0;
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":46
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":46
  *     def __iter__(self):
  *         for i in range(len(self)):
  *             yield self[i]             # <<<<<<<<<<<<<<
@@ -15701,7 +15756,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_15SufficientStats_8__getitem__(PyObject *
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":48
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":48
  *             yield self[i]
  * 
  *     def __getitem__(self, int index):             # <<<<<<<<<<<<<<
@@ -15721,7 +15776,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_7__getitem__(struct __p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__getitem__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":49
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":49
  * 
  *     def __getitem__(self, int index):
  *         if not 0 <= index < len(self):             # <<<<<<<<<<<<<<
@@ -15736,7 +15791,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_7__getitem__(struct __p
   __pyx_t_3 = ((!(__pyx_t_1 != 0)) != 0);
   if (__pyx_t_3) {
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":50
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":50
  *     def __getitem__(self, int index):
  *         if not 0 <= index < len(self):
  *             raise IndexError('sufficient stats vector index out of range')             # <<<<<<<<<<<<<<
@@ -15752,7 +15807,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_7__getitem__(struct __p
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":51
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":51
  *         if not 0 <= index < len(self):
  *             raise IndexError('sufficient stats vector index out of range')
  *         return self.stats[0][index]             # <<<<<<<<<<<<<<
@@ -15797,7 +15852,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_15SufficientStats_10__iadd__(PyObject *__
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":53
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":53
  *         return self.stats[0][index]
  * 
  *     def __iadd__(SufficientStats self, SufficientStats other):             # <<<<<<<<<<<<<<
@@ -15810,7 +15865,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_9__iadd__(struct __pyx_
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__iadd__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":54
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":54
  * 
  *     def __iadd__(SufficientStats self, SufficientStats other):
  *         self.stats[0] += other.stats[0]             # <<<<<<<<<<<<<<
@@ -15819,7 +15874,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_9__iadd__(struct __pyx_
  */
   (__pyx_v_self->stats[0]) += (__pyx_v_other->stats[0]);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":55
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":55
  *     def __iadd__(SufficientStats self, SufficientStats other):
  *         self.stats[0] += other.stats[0]
  *         return self             # <<<<<<<<<<<<<<
@@ -15849,7 +15904,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_15SufficientStats_12__add__(PyObject *__p
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":57
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":57
  *         return self
  * 
  *     def __add__(x, y):             # <<<<<<<<<<<<<<
@@ -15870,7 +15925,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_11__add__(PyObject *__p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__add__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":58
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":58
  * 
  *     def __add__(x, y):
  *         cdef SufficientStats sx = as_stats(x, y)             # <<<<<<<<<<<<<<
@@ -15882,7 +15937,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_11__add__(PyObject *__p
   __pyx_v_sx = ((struct __pyx_obj_4cdec_5_cdec_SufficientStats *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":59
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":59
  *     def __add__(x, y):
  *         cdef SufficientStats sx = as_stats(x, y)
  *         cdef SufficientStats sy = as_stats(y, x)             # <<<<<<<<<<<<<<
@@ -15894,7 +15949,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_11__add__(PyObject *__p
   __pyx_v_sy = ((struct __pyx_obj_4cdec_5_cdec_SufficientStats *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":60
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":60
  *         cdef SufficientStats sx = as_stats(x, y)
  *         cdef SufficientStats sy = as_stats(y, x)
  *         cdef SufficientStats result = SufficientStats()             # <<<<<<<<<<<<<<
@@ -15906,7 +15961,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_11__add__(PyObject *__p
   __pyx_v_result = ((struct __pyx_obj_4cdec_5_cdec_SufficientStats *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":61
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":61
  *         cdef SufficientStats sy = as_stats(y, x)
  *         cdef SufficientStats result = SufficientStats()
  *         result.stats = new mteval.SufficientStats(mteval.add(sx.stats[0], sy.stats[0]))             # <<<<<<<<<<<<<<
@@ -15915,7 +15970,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_11__add__(PyObject *__p
  */
   __pyx_v_result->stats = new SufficientStats(operator+((__pyx_v_sx->stats[0]), (__pyx_v_sy->stats[0])));
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":62
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":62
  *         cdef SufficientStats result = SufficientStats()
  *         result.stats = new mteval.SufficientStats(mteval.add(sx.stats[0], sy.stats[0]))
  *         result.metric = sx.metric             # <<<<<<<<<<<<<<
@@ -15925,7 +15980,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_15SufficientStats_11__add__(PyObject *__p
   __pyx_t_2 = __pyx_v_sx->metric;
   __pyx_v_result->metric = __pyx_t_2;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":63
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":63
  *         result.stats = new mteval.SufficientStats(mteval.add(sx.stats[0], sy.stats[0]))
  *         result.metric = sx.metric
  *         return result             # <<<<<<<<<<<<<<
@@ -16007,7 +16062,7 @@ static int __pyx_pw_4cdec_5_cdec_12CandidateSet_1__cinit__(PyObject *__pyx_v_sel
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":70
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":70
  *     cdef mteval.CandidateSet* cs
  * 
  *     def __cinit__(self, SegmentEvaluator evaluator):             # <<<<<<<<<<<<<<
@@ -16021,7 +16076,7 @@ static int __pyx_pf_4cdec_5_cdec_12CandidateSet___cinit__(struct __pyx_obj_4cdec
   EvaluationMetric *__pyx_t_1;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":71
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":71
  * 
  *     def __cinit__(self, SegmentEvaluator evaluator):
  *         self.scorer = new shared_ptr[mteval.SegmentEvaluator](evaluator.scorer[0])             # <<<<<<<<<<<<<<
@@ -16030,7 +16085,7 @@ static int __pyx_pf_4cdec_5_cdec_12CandidateSet___cinit__(struct __pyx_obj_4cdec
  */
   __pyx_v_self->scorer = new boost::shared_ptr<SegmentEvaluator>((__pyx_v_evaluator->scorer[0]));
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":72
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":72
  *     def __cinit__(self, SegmentEvaluator evaluator):
  *         self.scorer = new shared_ptr[mteval.SegmentEvaluator](evaluator.scorer[0])
  *         self.metric = evaluator.metric             # <<<<<<<<<<<<<<
@@ -16040,7 +16095,7 @@ static int __pyx_pf_4cdec_5_cdec_12CandidateSet___cinit__(struct __pyx_obj_4cdec
   __pyx_t_1 = __pyx_v_evaluator->metric;
   __pyx_v_self->metric = __pyx_t_1;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":73
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":73
  *         self.scorer = new shared_ptr[mteval.SegmentEvaluator](evaluator.scorer[0])
  *         self.metric = evaluator.metric
  *         self.cs = new mteval.CandidateSet()             # <<<<<<<<<<<<<<
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 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":75
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":75
  *         self.cs = new mteval.CandidateSet()
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
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   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":76
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":76
  * 
  *     def __dealloc__(self):
  *         del self.scorer             # <<<<<<<<<<<<<<
@@ -16084,7 +16139,7 @@ static void __pyx_pf_4cdec_5_cdec_12CandidateSet_2__dealloc__(CYTHON_UNUSED stru
  */
   delete __pyx_v_self->scorer;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":77
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":77
  *     def __dealloc__(self):
  *         del self.scorer
  *         del self.cs             # <<<<<<<<<<<<<<
@@ -16107,7 +16162,7 @@ static Py_ssize_t __pyx_pw_4cdec_5_cdec_12CandidateSet_5__len__(PyObject *__pyx_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":79
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":79
  *         del self.cs
  * 
  *     def __len__(self):             # <<<<<<<<<<<<<<
@@ -16120,7 +16175,7 @@ static Py_ssize_t __pyx_pf_4cdec_5_cdec_12CandidateSet_4__len__(struct __pyx_obj
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__len__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":80
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":80
  * 
  *     def __len__(self):
  *         return self.cs.size()             # <<<<<<<<<<<<<<
@@ -16160,7 +16215,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12CandidateSet_7__getitem__(PyObject *__p
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":82
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":82
  *         return self.cs.size()
  * 
  *     def __getitem__(self,int k):             # <<<<<<<<<<<<<<
@@ -16180,7 +16235,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12CandidateSet_6__getitem__(struct __pyx_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__getitem__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":83
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":83
  * 
  *     def __getitem__(self,int k):
  *         if not 0 <= k < self.cs.size():             # <<<<<<<<<<<<<<
@@ -16194,7 +16249,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12CandidateSet_6__getitem__(struct __pyx_
   __pyx_t_2 = ((!(__pyx_t_1 != 0)) != 0);
   if (__pyx_t_2) {
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":84
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":84
  *     def __getitem__(self,int k):
  *         if not 0 <= k < self.cs.size():
  *             raise IndexError('candidate set index out of range')             # <<<<<<<<<<<<<<
@@ -16210,7 +16265,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12CandidateSet_6__getitem__(struct __pyx_
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":85
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":85
  *         if not 0 <= k < self.cs.size():
  *             raise IndexError('candidate set index out of range')
  *         cdef Candidate candidate = Candidate()             # <<<<<<<<<<<<<<
@@ -16222,7 +16277,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12CandidateSet_6__getitem__(struct __pyx_
   __pyx_v_candidate = ((struct __pyx_obj_4cdec_5_cdec_Candidate *)__pyx_t_3);
   __pyx_t_3 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":86
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":86
  *             raise IndexError('candidate set index out of range')
  *         cdef Candidate candidate = Candidate()
  *         candidate.candidate = &self.cs[0][k]             # <<<<<<<<<<<<<<
@@ -16231,7 +16286,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12CandidateSet_6__getitem__(struct __pyx_
  */
   __pyx_v_candidate->candidate = (&((__pyx_v_self->cs[0])[__pyx_v_k]));
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":87
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":87
  *         cdef Candidate candidate = Candidate()
  *         candidate.candidate = &self.cs[0][k]
  *         candidate.score = self.metric.ComputeScore(self.cs[0][k].eval_feats)             # <<<<<<<<<<<<<<
@@ -16240,7 +16295,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12CandidateSet_6__getitem__(struct __pyx_
  */
   __pyx_v_candidate->score = __pyx_v_self->metric->ComputeScore(((__pyx_v_self->cs[0])[__pyx_v_k]).eval_feats);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":88
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":88
  *         candidate.candidate = &self.cs[0][k]
  *         candidate.score = self.metric.ComputeScore(self.cs[0][k].eval_feats)
  *         return candidate             # <<<<<<<<<<<<<<
@@ -16277,7 +16332,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12CandidateSet_9__iter__(PyObject *__pyx_
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":90
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":90
  *         return candidate
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -16343,7 +16398,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_12CandidateSet_10generator16(__pyx_Genera
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":92
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":92
  *     def __iter__(self):
  *         cdef unsigned i
  *         for i in range(len(self)):             # <<<<<<<<<<<<<<
@@ -16354,7 +16409,7 @@ static PyObject *__pyx_gb_4cdec_5_cdec_12CandidateSet_10generator16(__pyx_Genera
   for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_cur_scope->__pyx_v_i = __pyx_t_2;
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":93
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":93
  *         cdef unsigned i
  *         for i in range(len(self)):
  *             yield self[i]             # <<<<<<<<<<<<<<
@@ -16455,7 +16510,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_12CandidateSet_12add_kbest(PyObject *__py
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":95
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":95
  *             yield self[i]
  * 
  *     def add_kbest(self, Hypergraph hypergraph, unsigned k):             # <<<<<<<<<<<<<<
@@ -16468,7 +16523,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_12CandidateSet_11add_kbest(struct __pyx_o
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("add_kbest", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":98
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":98
  *         """cs.add_kbest(Hypergraph hypergraph, int k) -> Extract K-best hypotheses
  *         from the hypergraph and add them to the candidate set."""
  *         self.cs.AddKBestCandidates(hypergraph.hg[0], k, self.scorer.get())             # <<<<<<<<<<<<<<
@@ -16492,7 +16547,7 @@ static void __pyx_pw_4cdec_5_cdec_16SegmentEvaluator_1__dealloc__(PyObject *__py
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":104
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":104
  *     cdef mteval.EvaluationMetric* metric
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -16504,7 +16559,7 @@ static void __pyx_pf_4cdec_5_cdec_16SegmentEvaluator___dealloc__(CYTHON_UNUSED s
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":105
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":105
  * 
  *     def __dealloc__(self):
  *         del self.scorer             # <<<<<<<<<<<<<<
@@ -16528,7 +16583,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_16SegmentEvaluator_3evaluate(PyObject *__
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":107
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":107
  *         del self.scorer
  * 
  *     def evaluate(self, sentence):             # <<<<<<<<<<<<<<
@@ -16550,7 +16605,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_16SegmentEvaluator_2evaluate(struct __pyx
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("evaluate", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":110
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":110
  *         """se.evaluate(sentence) -> SufficientStats for the given hypothesis."""
  *         cdef vector[WordID] hyp
  *         cdef SufficientStats sf = SufficientStats()             # <<<<<<<<<<<<<<
@@ -16562,7 +16617,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_16SegmentEvaluator_2evaluate(struct __pyx
   __pyx_v_sf = ((struct __pyx_obj_4cdec_5_cdec_SufficientStats *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":111
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":111
  *         cdef vector[WordID] hyp
  *         cdef SufficientStats sf = SufficientStats()
  *         sf.metric = self.metric             # <<<<<<<<<<<<<<
@@ -16572,7 +16627,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_16SegmentEvaluator_2evaluate(struct __pyx
   __pyx_t_2 = __pyx_v_self->metric;
   __pyx_v_sf->metric = __pyx_t_2;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":112
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":112
  *         cdef SufficientStats sf = SufficientStats()
  *         sf.metric = self.metric
  *         sf.stats = new mteval.SufficientStats()             # <<<<<<<<<<<<<<
@@ -16581,7 +16636,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_16SegmentEvaluator_2evaluate(struct __pyx
  */
   __pyx_v_sf->stats = new SufficientStats();
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":113
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":113
  *         sf.metric = self.metric
  *         sf.stats = new mteval.SufficientStats()
  *         ConvertSentence(as_str(sentence.strip()), &hyp)             # <<<<<<<<<<<<<<
@@ -16600,7 +16655,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_16SegmentEvaluator_2evaluate(struct __pyx
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   TD::ConvertSentence(__pyx_t_4, (&__pyx_v_hyp));
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":114
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":114
  *         sf.stats = new mteval.SufficientStats()
  *         ConvertSentence(as_str(sentence.strip()), &hyp)
  *         self.scorer.get().Evaluate(hyp, sf.stats)             # <<<<<<<<<<<<<<
@@ -16609,7 +16664,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_16SegmentEvaluator_2evaluate(struct __pyx
  */
   __pyx_v_self->scorer->get()->Evaluate(__pyx_v_hyp, __pyx_v_sf->stats);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":115
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":115
  *         ConvertSentence(as_str(sentence.strip()), &hyp)
  *         self.scorer.get().Evaluate(hyp, sf.stats)
  *         return sf             # <<<<<<<<<<<<<<
@@ -16647,7 +16702,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_16SegmentEvaluator_5candidate_set(PyObjec
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":117
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":117
  *         return sf
  * 
  *     def candidate_set(self):             # <<<<<<<<<<<<<<
@@ -16665,7 +16720,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_16SegmentEvaluator_4candidate_set(struct
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("candidate_set", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":119
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":119
  *     def candidate_set(self):
  *         """se.candidate_set() -> Candidate set using this segment evaluator for scoring."""
  *         return CandidateSet(self)             # <<<<<<<<<<<<<<
@@ -16712,7 +16767,7 @@ static int __pyx_pw_4cdec_5_cdec_6Scorer_1__cinit__(PyObject *__pyx_v_self, PyOb
     static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__name,0};
     PyObject* values[1] = {0};
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":125
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":125
  *     cdef mteval.EvaluationMetric* metric
  * 
  *     def __cinit__(self, bytes name=None):             # <<<<<<<<<<<<<<
@@ -16777,7 +16832,7 @@ static int __pyx_pf_4cdec_5_cdec_6Scorer___cinit__(struct __pyx_obj_4cdec_5_cdec
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":126
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":126
  * 
  *     def __cinit__(self, bytes name=None):
  *         if name:             # <<<<<<<<<<<<<<
@@ -16787,7 +16842,7 @@ static int __pyx_pf_4cdec_5_cdec_6Scorer___cinit__(struct __pyx_obj_4cdec_5_cdec
   __pyx_t_1 = (((PyObject *)__pyx_v_name) != Py_None) && (PyBytes_GET_SIZE(((PyObject *)__pyx_v_name)) != 0);
   if (__pyx_t_1) {
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":127
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":127
  *     def __cinit__(self, bytes name=None):
  *         if name:
  *             self.name = new string(name)             # <<<<<<<<<<<<<<
@@ -16803,7 +16858,7 @@ static int __pyx_pf_4cdec_5_cdec_6Scorer___cinit__(struct __pyx_obj_4cdec_5_cdec
     }
     __pyx_v_self->name = __pyx_t_3;
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":128
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":128
  *         if name:
  *             self.name = new string(name)
  *             self.metric = mteval.MetricInstance(self.name[0])             # <<<<<<<<<<<<<<
@@ -16834,7 +16889,7 @@ static void __pyx_pw_4cdec_5_cdec_6Scorer_3__dealloc__(PyObject *__pyx_v_self) {
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":130
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":130
  *             self.metric = mteval.MetricInstance(self.name[0])
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -16846,7 +16901,7 @@ static void __pyx_pf_4cdec_5_cdec_6Scorer_2__dealloc__(CYTHON_UNUSED struct __py
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":131
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":131
  * 
  *     def __dealloc__(self):
  *         del self.name             # <<<<<<<<<<<<<<
@@ -16908,7 +16963,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_6Scorer_5__call__(PyObject *__pyx_v_self,
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":133
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":133
  *         del self.name
  * 
  *     def __call__(self, refs):             # <<<<<<<<<<<<<<
@@ -16940,7 +16995,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
   __Pyx_RefNannySetupContext("__call__", 0);
   __Pyx_INCREF(__pyx_v_refs);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":134
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":134
  * 
  *     def __call__(self, refs):
  *         if isinstance(refs, basestring):             # <<<<<<<<<<<<<<
@@ -16951,7 +17006,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
   __pyx_t_2 = (__pyx_t_1 != 0);
   if (__pyx_t_2) {
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":135
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":135
  *     def __call__(self, refs):
  *         if isinstance(refs, basestring):
  *             refs = [refs]             # <<<<<<<<<<<<<<
@@ -16970,7 +17025,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
   }
   __pyx_L3:;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":136
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":136
  *         if isinstance(refs, basestring):
  *             refs = [refs]
  *         cdef vector[vector[WordID]]* refsv = new vector[vector[WordID]]()             # <<<<<<<<<<<<<<
@@ -16985,7 +17040,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
   }
   __pyx_v_refsv = __pyx_t_4;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":138
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":138
  *         cdef vector[vector[WordID]]* refsv = new vector[vector[WordID]]()
  *         cdef vector[WordID]* refv
  *         for ref in refs:             # <<<<<<<<<<<<<<
@@ -17030,7 +17085,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
     __pyx_v_ref = __pyx_t_7;
     __pyx_t_7 = 0;
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":139
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":139
  *         cdef vector[WordID]* refv
  *         for ref in refs:
  *             refv = new vector[WordID]()             # <<<<<<<<<<<<<<
@@ -17045,7 +17100,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
     }
     __pyx_v_refv = __pyx_t_8;
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":140
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":140
  *         for ref in refs:
  *             refv = new vector[WordID]()
  *             ConvertSentence(as_str(ref.strip()), refv)             # <<<<<<<<<<<<<<
@@ -17064,7 +17119,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
     __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
     TD::ConvertSentence(__pyx_t_10, __pyx_v_refv);
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":141
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":141
  *             refv = new vector[WordID]()
  *             ConvertSentence(as_str(ref.strip()), refv)
  *             refsv.push_back(refv[0])             # <<<<<<<<<<<<<<
@@ -17073,7 +17128,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
  */
     __pyx_v_refsv->push_back((__pyx_v_refv[0]));
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":142
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":142
  *             ConvertSentence(as_str(ref.strip()), refv)
  *             refsv.push_back(refv[0])
  *             del refv             # <<<<<<<<<<<<<<
@@ -17084,7 +17139,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
   }
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":144
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":144
  *             del refv
  *         cdef unsigned i
  *         cdef SegmentEvaluator evaluator = SegmentEvaluator()             # <<<<<<<<<<<<<<
@@ -17096,7 +17151,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
   __pyx_v_evaluator = ((struct __pyx_obj_4cdec_5_cdec_SegmentEvaluator *)__pyx_t_3);
   __pyx_t_3 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":145
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":145
  *         cdef unsigned i
  *         cdef SegmentEvaluator evaluator = SegmentEvaluator()
  *         evaluator.metric = self.metric             # <<<<<<<<<<<<<<
@@ -17106,7 +17161,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
   __pyx_t_11 = __pyx_v_self->metric;
   __pyx_v_evaluator->metric = __pyx_t_11;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":146
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":146
  *         cdef SegmentEvaluator evaluator = SegmentEvaluator()
  *         evaluator.metric = self.metric
  *         evaluator.scorer = new shared_ptr[mteval.SegmentEvaluator](             # <<<<<<<<<<<<<<
@@ -17115,7 +17170,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
  */
   __pyx_v_evaluator->scorer = new boost::shared_ptr<SegmentEvaluator>(__pyx_v_self->metric->CreateSegmentEvaluator((__pyx_v_refsv[0])));
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":148
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":148
  *         evaluator.scorer = new shared_ptr[mteval.SegmentEvaluator](
  *                 self.metric.CreateSegmentEvaluator(refsv[0]))
  *         del refsv # in theory should not delete but store in SegmentEvaluator             # <<<<<<<<<<<<<<
@@ -17124,7 +17179,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_4__call__(struct __pyx_obj_4cdec_
  */
   delete __pyx_v_refsv;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":149
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":149
  *                 self.metric.CreateSegmentEvaluator(refsv[0]))
  *         del refsv # in theory should not delete but store in SegmentEvaluator
  *         return evaluator             # <<<<<<<<<<<<<<
@@ -17164,7 +17219,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_6Scorer_7__str__(PyObject *__pyx_v_self)
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":151
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":151
  *         return evaluator
  * 
  *     def __str__(self):             # <<<<<<<<<<<<<<
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   __Pyx_RefNannySetupContext("__str__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":152
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":152
  * 
  *     def __str__(self):
  *         return str(self.name.c_str())             # <<<<<<<<<<<<<<
@@ -17217,7 +17272,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Scorer_6__str__(struct __pyx_obj_4cdec_5
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":154
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":154
  *         return str(self.name.c_str())
  * 
  * cdef float _compute_score(void* metric_, mteval.SufficientStats* stats):             # <<<<<<<<<<<<<<
@@ -17243,7 +17298,7 @@ static float __pyx_f_4cdec_5_cdec__compute_score(void *__pyx_v_metric_, Sufficie
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("_compute_score", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":155
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":155
  * 
  * cdef float _compute_score(void* metric_, mteval.SufficientStats* stats):
  *     cdef Metric metric = <Metric> metric_             # <<<<<<<<<<<<<<
@@ -17253,7 +17308,7 @@ static float __pyx_f_4cdec_5_cdec__compute_score(void *__pyx_v_metric_, Sufficie
   __Pyx_INCREF(((PyObject *)((struct __pyx_obj_4cdec_5_cdec_Metric *)__pyx_v_metric_)));
   __pyx_v_metric = ((struct __pyx_obj_4cdec_5_cdec_Metric *)__pyx_v_metric_);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":156
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":156
  * cdef float _compute_score(void* metric_, mteval.SufficientStats* stats):
  *     cdef Metric metric = <Metric> metric_
  *     cdef list ss = []             # <<<<<<<<<<<<<<
@@ -17265,7 +17320,7 @@ static float __pyx_f_4cdec_5_cdec__compute_score(void *__pyx_v_metric_, Sufficie
   __pyx_v_ss = ((PyObject*)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":158
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":158
  *     cdef list ss = []
  *     cdef unsigned i
  *     for i in range(stats.size()):             # <<<<<<<<<<<<<<
@@ -17276,7 +17331,7 @@ static float __pyx_f_4cdec_5_cdec__compute_score(void *__pyx_v_metric_, Sufficie
   for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
     __pyx_v_i = __pyx_t_3;
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":159
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":159
  *     cdef unsigned i
  *     for i in range(stats.size()):
  *         ss.append(stats[0][i])             # <<<<<<<<<<<<<<
@@ -17289,7 +17344,7 @@ static float __pyx_f_4cdec_5_cdec__compute_score(void *__pyx_v_metric_, Sufficie
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":160
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":160
  *     for i in range(stats.size()):
  *         ss.append(stats[0][i])
  *     return metric.score(ss)             # <<<<<<<<<<<<<<
@@ -17327,7 +17382,7 @@ static float __pyx_f_4cdec_5_cdec__compute_score(void *__pyx_v_metric_, Sufficie
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":162
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":162
  *     return metric.score(ss)
  * 
  * cdef void _compute_sufficient_stats(void* metric_,             # <<<<<<<<<<<<<<
@@ -17354,7 +17409,7 @@ static void __pyx_f_4cdec_5_cdec__compute_sufficient_stats(void *__pyx_v_metric_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("_compute_sufficient_stats", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":166
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":166
  *         vector[string]* refs,
  *         mteval.SufficientStats* out):
  *     cdef Metric metric = <Metric> metric_             # <<<<<<<<<<<<<<
@@ -17364,7 +17419,7 @@ static void __pyx_f_4cdec_5_cdec__compute_sufficient_stats(void *__pyx_v_metric_
   __Pyx_INCREF(((PyObject *)((struct __pyx_obj_4cdec_5_cdec_Metric *)__pyx_v_metric_)));
   __pyx_v_metric = ((struct __pyx_obj_4cdec_5_cdec_Metric *)__pyx_v_metric_);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":167
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":167
  *         mteval.SufficientStats* out):
  *     cdef Metric metric = <Metric> metric_
  *     cdef list refs_ = []             # <<<<<<<<<<<<<<
@@ -17376,7 +17431,7 @@ static void __pyx_f_4cdec_5_cdec__compute_sufficient_stats(void *__pyx_v_metric_
   __pyx_v_refs_ = ((PyObject*)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":169
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":169
  *     cdef list refs_ = []
  *     cdef unsigned i
  *     for i in range(refs.size()):             # <<<<<<<<<<<<<<
@@ -17387,7 +17442,7 @@ static void __pyx_f_4cdec_5_cdec__compute_sufficient_stats(void *__pyx_v_metric_
   for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
     __pyx_v_i = __pyx_t_3;
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":170
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":170
  *     cdef unsigned i
  *     for i in range(refs.size()):
  *         refs_.append(str(refs[0][i].c_str()))             # <<<<<<<<<<<<<<
@@ -17408,7 +17463,7 @@ static void __pyx_f_4cdec_5_cdec__compute_sufficient_stats(void *__pyx_v_metric_
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   }
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":171
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":171
  *     for i in range(refs.size()):
  *         refs_.append(str(refs[0][i].c_str()))
  *     cdef list ss = metric.evaluate(str(hyp.c_str()), refs_)             # <<<<<<<<<<<<<<
@@ -17443,7 +17498,7 @@ static void __pyx_f_4cdec_5_cdec__compute_sufficient_stats(void *__pyx_v_metric_
   __pyx_v_ss = ((PyObject*)__pyx_t_4);
   __pyx_t_4 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":172
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":172
  *         refs_.append(str(refs[0][i].c_str()))
  *     cdef list ss = metric.evaluate(str(hyp.c_str()), refs_)
  *     out.fields.resize(len(ss))             # <<<<<<<<<<<<<<
@@ -17457,7 +17512,7 @@ static void __pyx_f_4cdec_5_cdec__compute_sufficient_stats(void *__pyx_v_metric_
   __pyx_t_7 = PyList_GET_SIZE(((PyObject *)__pyx_v_ss)); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_out->fields.resize(__pyx_t_7);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":173
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":173
  *     cdef list ss = metric.evaluate(str(hyp.c_str()), refs_)
  *     out.fields.resize(len(ss))
  *     for i in range(len(ss)):             # <<<<<<<<<<<<<<
@@ -17472,7 +17527,7 @@ static void __pyx_f_4cdec_5_cdec__compute_sufficient_stats(void *__pyx_v_metric_
   for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_7; __pyx_t_3+=1) {
     __pyx_v_i = __pyx_t_3;
 
-    /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":174
+    /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":174
  *     out.fields.resize(len(ss))
  *     for i in range(len(ss)):
  *         out.fields[i] = ss[i]             # <<<<<<<<<<<<<<
@@ -17517,7 +17572,7 @@ static int __pyx_pw_4cdec_5_cdec_6Metric_1__cinit__(PyObject *__pyx_v_self, PyOb
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":178
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":178
  * cdef class Metric:
  *     cdef Scorer scorer
  *     def __cinit__(self):             # <<<<<<<<<<<<<<
@@ -17538,7 +17593,7 @@ static int __pyx_pf_4cdec_5_cdec_6Metric___cinit__(struct __pyx_obj_4cdec_5_cdec
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":179
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":179
  *     cdef Scorer scorer
  *     def __cinit__(self):
  *         self.scorer = Scorer()             # <<<<<<<<<<<<<<
@@ -17553,7 +17608,7 @@ static int __pyx_pf_4cdec_5_cdec_6Metric___cinit__(struct __pyx_obj_4cdec_5_cdec
   __pyx_v_self->scorer = ((struct __pyx_obj_4cdec_5_cdec_Scorer *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":180
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":180
  *     def __cinit__(self):
  *         self.scorer = Scorer()
  *         cdef bytes class_name = self.__class__.__name__             # <<<<<<<<<<<<<<
@@ -17569,7 +17624,7 @@ static int __pyx_pf_4cdec_5_cdec_6Metric___cinit__(struct __pyx_obj_4cdec_5_cdec
   __pyx_v_class_name = ((PyObject*)__pyx_t_2);
   __pyx_t_2 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":181
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":181
  *         self.scorer = Scorer()
  *         cdef bytes class_name = self.__class__.__name__
  *         self.scorer.name = new string(class_name)             # <<<<<<<<<<<<<<
@@ -17585,7 +17640,7 @@ static int __pyx_pf_4cdec_5_cdec_6Metric___cinit__(struct __pyx_obj_4cdec_5_cdec
   }
   __pyx_v_self->scorer->name = __pyx_t_4;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":182
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":182
  *         cdef bytes class_name = self.__class__.__name__
  *         self.scorer.name = new string(class_name)
  *         self.scorer.metric = mteval.PyMetricInstance(self.scorer.name[0],             # <<<<<<<<<<<<<<
@@ -17657,7 +17712,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_6Metric_3__call__(PyObject *__pyx_v_self,
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":185
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":185
  *                 <void*> self, _compute_sufficient_stats, _compute_score)
  * 
  *     def __call__(self, refs):             # <<<<<<<<<<<<<<
@@ -17675,7 +17730,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Metric_2__call__(struct __pyx_obj_4cdec_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__call__", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":186
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":186
  * 
  *     def __call__(self, refs):
  *         return self.scorer(refs)             # <<<<<<<<<<<<<<
@@ -17719,7 +17774,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_6Metric_5score(PyObject *__pyx_v_stats, C
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":188
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":188
  *         return self.scorer(refs)
  * 
  *     def score(SufficientStats stats):             # <<<<<<<<<<<<<<
@@ -17732,7 +17787,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Metric_4score(CYTHON_UNUSED struct __pyx
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("score", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":189
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":189
  * 
  *     def score(SufficientStats stats):
  *         return 0             # <<<<<<<<<<<<<<
@@ -17810,7 +17865,7 @@ static PyObject *__pyx_pw_4cdec_5_cdec_6Metric_7evaluate(PyObject *__pyx_v_self,
   return __pyx_r;
 }
 
-/* "/home/mdenkows/cdec/python/cdec/mteval.pxi":191
+/* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":191
  *         return 0
  * 
  *     def evaluate(self, hyp, refs):             # <<<<<<<<<<<<<<
@@ -17827,7 +17882,7 @@ static PyObject *__pyx_pf_4cdec_5_cdec_6Metric_6evaluate(CYTHON_UNUSED struct __
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("evaluate", 0);
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":192
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":192
  * 
  *     def evaluate(self, hyp, refs):
  *         return []             # <<<<<<<<<<<<<<
@@ -22366,6 +22421,10 @@ static void __pyx_tp_dealloc_4cdec_5_cdec_HypergraphNode(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
+static PyObject *__pyx_getprop_4cdec_5_cdec_14HypergraphNode_id(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_4cdec_5_cdec_14HypergraphNode_2id_1__get__(o);
+}
+
 static PyObject *__pyx_getprop_4cdec_5_cdec_14HypergraphNode_in_edges(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_4cdec_5_cdec_14HypergraphNode_8in_edges_1__get__(o);
 }
@@ -22387,6 +22446,7 @@ static PyMethodDef __pyx_methods_4cdec_5_cdec_HypergraphNode[] = {
 };
 
 static struct PyGetSetDef __pyx_getsets_4cdec_5_cdec_HypergraphNode[] = {
+  {(char *)"id", __pyx_getprop_4cdec_5_cdec_14HypergraphNode_id, 0, 0, 0},
   {(char *)"in_edges", __pyx_getprop_4cdec_5_cdec_14HypergraphNode_in_edges, 0, 0, 0},
   {(char *)"out_edges", __pyx_getprop_4cdec_5_cdec_14HypergraphNode_out_edges, 0, 0, 0},
   {(char *)"span", __pyx_getprop_4cdec_5_cdec_14HypergraphNode_span, 0, 0, 0},
@@ -25529,7 +25589,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_2);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_2));
 
-  /* "/home/mdenkows/cdec/python/cdec/vectors.pxi":95
+  /* "/home/pks/src/cdec-dtrain/python/cdec/vectors.pxi":95
  *         elif op == 3: # !=
  *             return not (x == y)
  *         raise NotImplemented('comparison not implemented for SparseVector')             # <<<<<<<<<<<<<<
@@ -25540,7 +25600,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_5);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_5));
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":6
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":6
  * 
  * def _phrase(phrase):
  *     return ' '.join(w.encode('utf8') if isinstance(w, unicode) else str(w) for w in phrase)             # <<<<<<<<<<<<<<
@@ -25551,7 +25611,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_6);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_6));
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":226
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":226
  *                 trule = convert_rule(trule)
  *             elif not isinstance(trule, TRule):
  *                 raise ValueError('the grammar should contain TRule objects')             # <<<<<<<<<<<<<<
@@ -25561,7 +25621,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_14);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_14));
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":244
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":244
  *         elif op == 3: # !=
  *             return not (x == y)
  *         raise NotImplemented('comparison not implemented for HypergraphEdge')             # <<<<<<<<<<<<<<
@@ -25572,16 +25632,16 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_19);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_19));
 
-  /* "/home/mdenkows/cdec/python/cdec/hypergraph.pxi":281
+  /* "/home/pks/src/cdec-dtrain/python/cdec/hypergraph.pxi":285
  *         elif op == 3: # !=
  *             return not (x == y)
  *         raise NotImplemented('comparison not implemented for HypergraphNode')             # <<<<<<<<<<<<<<
  */
-  __pyx_k_tuple_21 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_s_20)); if (unlikely(!__pyx_k_tuple_21)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 281; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_21 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_s_20)); if (unlikely(!__pyx_k_tuple_21)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 285; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_21);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_21));
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":26
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":26
  *     def __getitem__(self, int index):
  *         if not 0 <= index < len(self):
  *             raise IndexError('lattice index out of range')             # <<<<<<<<<<<<<<
@@ -25592,7 +25652,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_24);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_24));
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":39
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":39
  *     def __setitem__(self, int index, tuple arcs):
  *         if not 0 <= index < len(self):
  *             raise IndexError('lattice index out of range')             # <<<<<<<<<<<<<<
@@ -25603,7 +25663,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_25);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_25));
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":69
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":69
  *             for i in range(len(self)):
  *                 for label, weight, delta in self[i]:
  *                     yield '%d -> %d [label="%s"];' % (i, i+delta, label.replace('"', '\\"'))             # <<<<<<<<<<<<<<
@@ -25614,7 +25674,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_32);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_32));
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":63
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":63
  *     def todot(self):
  *         """lattice.todot() -> Representation of the lattice in GraphViz dot format."""
  *         def lines():             # <<<<<<<<<<<<<<
@@ -25626,7 +25686,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_35));
   __pyx_k_codeobj_36 = (PyObject*)__Pyx_PyCode_New(0, 0, 4, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_35, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_37, __pyx_n_s__lines, 63, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_36)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/lattice.pxi":72
+  /* "/home/pks/src/cdec-dtrain/python/cdec/lattice.pxi":72
  *             yield '%d [shape=doublecircle]' % len(self)
  *             yield '}'
  *         return '\n'.join(lines()).encode('utf8')             # <<<<<<<<<<<<<<
@@ -25637,7 +25697,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_41);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_41));
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":50
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":50
  *     def __getitem__(self, int index):
  *         if not 0 <= index < len(self):
  *             raise IndexError('sufficient stats vector index out of range')             # <<<<<<<<<<<<<<
@@ -25648,7 +25708,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_43);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_43));
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":84
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":84
  *     def __getitem__(self,int k):
  *         if not 0 <= k < self.cs.size():
  *             raise IndexError('candidate set index out of range')             # <<<<<<<<<<<<<<
@@ -25681,7 +25741,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_52);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_52));
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":5
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":5
  * import cdec.sa._sa as _sa
  * 
  * def _phrase(phrase):             # <<<<<<<<<<<<<<
@@ -25693,7 +25753,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_56));
   __pyx_k_codeobj_57 = (PyObject*)__Pyx_PyCode_New(1, 0, 3, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_56, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_58, __pyx_n_s___phrase, 5, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_57)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":194
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":194
  *         return []
  * 
  * BLEU = Scorer('IBM_BLEU')             # <<<<<<<<<<<<<<
@@ -25704,7 +25764,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_59);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_59));
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":195
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":195
  * 
  * BLEU = Scorer('IBM_BLEU')
  * QCRI = Scorer('QCRI_BLEU')             # <<<<<<<<<<<<<<
@@ -25715,7 +25775,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_60);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_60));
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":196
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":196
  * BLEU = Scorer('IBM_BLEU')
  * QCRI = Scorer('QCRI_BLEU')
  * TER = Scorer('TER')             # <<<<<<<<<<<<<<
@@ -25726,7 +25786,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_61);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_61));
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":197
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":197
  * QCRI = Scorer('QCRI_BLEU')
  * TER = Scorer('TER')
  * CER = Scorer('CER')             # <<<<<<<<<<<<<<
@@ -25736,7 +25796,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_k_tuple_62);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_62));
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":198
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":198
  * TER = Scorer('TER')
  * CER = Scorer('CER')
  * SSK = Scorer('SSK')             # <<<<<<<<<<<<<<
@@ -26022,7 +26082,7 @@ PyMODINIT_FUNC PyInit__cdec(void)
   if (PyType_Ready(&__pyx_type_4cdec_5_cdec_SegmentEvaluator) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__Pyx_SetAttrString(__pyx_m, "SegmentEvaluator", (PyObject *)&__pyx_type_4cdec_5_cdec_SegmentEvaluator) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_4cdec_5_cdec_SegmentEvaluator = &__pyx_type_4cdec_5_cdec_SegmentEvaluator;
-  if (PyType_Ready(&__pyx_type_4cdec_5_cdec___pyx_scope_struct_16___get__) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_4cdec_5_cdec___pyx_scope_struct_16___get__) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 260; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_4cdec_5_cdec___pyx_scope_struct_16___get__ = &__pyx_type_4cdec_5_cdec___pyx_scope_struct_16___get__;
   if (PyType_Ready(&__pyx_type_4cdec_5_cdec___pyx_scope_struct_25_genexpr) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_4cdec_5_cdec___pyx_scope_struct_25_genexpr = &__pyx_type_4cdec_5_cdec___pyx_scope_struct_25_genexpr;
@@ -26065,7 +26125,7 @@ PyMODINIT_FUNC PyInit__cdec(void)
   __pyx_ptype_4cdec_5_cdec_Decoder = &__pyx_type_4cdec_5_cdec_Decoder;
   if (PyType_Ready(&__pyx_type_4cdec_5_cdec___pyx_scope_struct____iter__) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_4cdec_5_cdec___pyx_scope_struct____iter__ = &__pyx_type_4cdec_5_cdec___pyx_scope_struct____iter__;
-  if (PyType_Ready(&__pyx_type_4cdec_5_cdec___pyx_scope_struct_17___get__) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 262; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_4cdec_5_cdec___pyx_scope_struct_17___get__) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 266; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_4cdec_5_cdec___pyx_scope_struct_17___get__ = &__pyx_type_4cdec_5_cdec___pyx_scope_struct_17___get__;
   if (PyType_Ready(&__pyx_type_4cdec_5_cdec___pyx_scope_struct_18___iter__) < 0) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_4cdec_5_cdec___pyx_scope_struct_18___iter__ = &__pyx_type_4cdec_5_cdec___pyx_scope_struct_18___iter__;
@@ -26096,7 +26156,7 @@ PyMODINIT_FUNC PyInit__cdec(void)
   Py_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   /*--- Execution code ---*/
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":3
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":3
  * cimport grammar
  * cimport cdec.sa._sa as _sa
  * import cdec.sa._sa as _sa             # <<<<<<<<<<<<<<
@@ -26114,7 +26174,7 @@ PyMODINIT_FUNC PyInit__cdec(void)
   if (PyDict_SetItem(__pyx_d, __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;
 
-  /* "/home/mdenkows/cdec/python/cdec/grammar.pxi":5
+  /* "/home/pks/src/cdec-dtrain/python/cdec/grammar.pxi":5
  * import cdec.sa._sa as _sa
  * 
  * def _phrase(phrase):             # <<<<<<<<<<<<<<
@@ -26126,7 +26186,7 @@ PyMODINIT_FUNC PyInit__cdec(void)
   if (PyDict_SetItem(__pyx_d, __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;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":194
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":194
  *         return []
  * 
  * BLEU = Scorer('IBM_BLEU')             # <<<<<<<<<<<<<<
@@ -26138,7 +26198,7 @@ PyMODINIT_FUNC PyInit__cdec(void)
   if (PyDict_SetItem(__pyx_d, __pyx_n_s__BLEU, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":195
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":195
  * 
  * BLEU = Scorer('IBM_BLEU')
  * QCRI = Scorer('QCRI_BLEU')             # <<<<<<<<<<<<<<
@@ -26150,7 +26210,7 @@ PyMODINIT_FUNC PyInit__cdec(void)
   if (PyDict_SetItem(__pyx_d, __pyx_n_s__QCRI, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 195; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":196
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":196
  * BLEU = Scorer('IBM_BLEU')
  * QCRI = Scorer('QCRI_BLEU')
  * TER = Scorer('TER')             # <<<<<<<<<<<<<<
@@ -26162,7 +26222,7 @@ PyMODINIT_FUNC PyInit__cdec(void)
   if (PyDict_SetItem(__pyx_d, __pyx_n_s__TER, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":197
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":197
  * QCRI = Scorer('QCRI_BLEU')
  * TER = Scorer('TER')
  * CER = Scorer('CER')             # <<<<<<<<<<<<<<
@@ -26173,7 +26233,7 @@ PyMODINIT_FUNC PyInit__cdec(void)
   if (PyDict_SetItem(__pyx_d, __pyx_n_s__CER, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-  /* "/home/mdenkows/cdec/python/cdec/mteval.pxi":198
+  /* "/home/pks/src/cdec-dtrain/python/cdec/mteval.pxi":198
  * TER = Scorer('TER')
  * CER = Scorer('CER')
  * SSK = Scorer('SSK')             # <<<<<<<<<<<<<<
diff --git a/python/cdec/hypergraph.pxi b/python/cdec/hypergraph.pxi
index 4a709d32..91cc8eec 100644
--- a/python/cdec/hypergraph.pxi
+++ b/python/cdec/hypergraph.pxi
@@ -252,6 +252,10 @@ cdef class HypergraphNode:
         self.node = &hg.nodes_[i]
         return self
 
+    property id:
+        def __get__(self):
+            return self.node.id_
+
     property in_edges:
         def __get__(self):
             cdef unsigned i
diff --git a/training/crf/mpi_adagrad_optimize.cc b/training/crf/mpi_adagrad_optimize.cc
index 39bd763e..bac57324 100644
--- a/training/crf/mpi_adagrad_optimize.cc
+++ b/training/crf/mpi_adagrad_optimize.cc
@@ -157,11 +157,11 @@ struct TrainingObserver : public DecoderObserver {
 
   void GetGradient(SparseVector<double>* g) const {
     g->clear();
-#if HAVE_CXX11
+#if HAVE_CXX11 && (__GNUC_MINOR__ > 4 || __GNUC__ > 4)
     for (auto& gi : acc_grad) {
 #else
     for (FastSparseVector<prob_t>::const_iterator it = acc_grad.begin(); it != acc_grad.end(); ++it) {
-      pair<unsigned, double>& gi = *it;
+      const pair<unsigned, prob_t>& gi = *it;
 #endif
       g->set_value(gi.first, -gi.second.as_float());
     }
@@ -190,7 +190,7 @@ class AdaGradOptimizer {
       G() {}
   void update(const SparseVector<double>& g, vector<double>* x, SparseVector<double>* sx) {
     if (x->size() > G.size()) G.resize(x->size(), 0.0);
-#if HAVE_CXX11
+#if HAVE_CXX11 && (__GNUC_MINOR__ > 4 || __GNUC__ > 4)
     for (auto& gi : g) {
 #else
     for (SparseVector<double>::const_iterator it = g.begin(); it != g.end(); ++it) {
@@ -220,7 +220,7 @@ class AdaGradL1Optimizer {
       G.resize(x->size(), 0.0);
       u.resize(x->size(), 0.0);
     }
-#if HAVE_CXX11
+#if HAVE_CXX11 && (__GNUC_MINOR__ > 4 || __GNUC__ > 4)
     for (auto& gi : g) {
 #else
     for (SparseVector<double>::const_iterator it = g.begin(); it != g.end(); ++it) {
@@ -236,11 +236,11 @@ class AdaGradL1Optimizer {
     // compute updates (avoid invalidating iterators by putting them all
     // in the vector vupdate and applying them after this)
     vector<pair<unsigned, double>> vupdate;
-#if HAVE_CXX11
+#if HAVE_CXX11 && (__GNUC_MINOR__ > 4 || __GNUC__ > 4)
     for (auto& xi : *sx) {
 #else
-    for (SparseVector<double>::const_iterator it = sx->begin(); it != sx->end(); ++it) {
-      const pair<unsigned,double>& gi = *it;
+    for (SparseVector<double>::iterator it = sx->begin(); it != sx->end(); ++it) {
+      const pair<unsigned,double>& xi = *it;
 #endif
       double z = fabs(u[xi.first] / t) - lambda;
       double s = 1;
diff --git a/training/dtrain/dtrain.cc b/training/dtrain/dtrain.cc
index 0a27a068..b01cf421 100644
--- a/training/dtrain/dtrain.cc
+++ b/training/dtrain/dtrain.cc
@@ -44,7 +44,7 @@ dtrain_init(int argc, char** argv, po::variables_map* cfg)
     ("pclr",              po::value<string>()->default_value("no"),         "use a (simple|adagrad) per-coordinate learning rate")
     ("batch",             po::value<bool>()->zero_tokens(),                                               "do batch optimization")
     ("repeat",            po::value<unsigned>()->default_value(1),          "repeat optimization over kbest list this number of times")
-    //("test-k-best",       po::value<bool>()->zero_tokens(),                       "check if optimization works (use repeat >= 2)")
+    ("check",             po::value<bool>()->zero_tokens(),                                  "produce list of loss differentials")
     ("noup",              po::value<bool>()->zero_tokens(),                                               "do not update weights");
   po::options_description cl("Command Line Options");
   cl.add_options()
@@ -130,8 +130,8 @@ main(int argc, char** argv)
   const score_t approx_bleu_d = cfg["approx_bleu_d"].as<score_t>();
   const unsigned max_pairs = cfg["max_pairs"].as<unsigned>();
   int repeat = cfg["repeat"].as<unsigned>();
-  //bool test_k_best = false;
-  //if (cfg.count("test-k-best")) test_k_best = true;
+  bool check = false;
+  if (cfg.count("check")) check = true;
   weight_t loss_margin = cfg["loss_margin"].as<weight_t>();
   bool batch = false;
   if (cfg.count("batch")) batch = true;
@@ -412,27 +412,38 @@ main(int argc, char** argv)
       int cur_npairs = pairs.size();
       npairs += cur_npairs;
 
-      score_t kbest_loss_first, kbest_loss_last = 0.0;
+      score_t kbest_loss_first = 0.0, kbest_loss_last = 0.0;
+
+      if (check) repeat = 2;
+      vector<float> losses; // for check
 
       for (vector<pair<ScoredHyp,ScoredHyp> >::iterator it = pairs.begin();
            it != pairs.end(); it++) {
         score_t model_diff = it->first.model - it->second.model;
-        kbest_loss_first += max(0.0, -1.0 * model_diff);
+        score_t loss = max(0.0, -1.0 * model_diff);
+        losses.push_back(loss);
+        kbest_loss_first += loss;
       }
 
+      score_t kbest_loss = 0.0;
       for (int ki=0; ki < repeat; ki++) {
 
-      score_t kbest_loss = 0.0; // test-k-best
       SparseVector<weight_t> lambdas_copy; // for l1 regularization
       SparseVector<weight_t> sum_up; // for pclr
       if (l1naive||l1clip||l1cumul) lambdas_copy = lambdas;
 
+      unsigned pair_idx = 0; // for check
       for (vector<pair<ScoredHyp,ScoredHyp> >::iterator it = pairs.begin();
            it != pairs.end(); it++) {
         score_t model_diff = it->first.model - it->second.model;
+        score_t loss = max(0.0, -1.0 * model_diff);
+
+        if (check && ki == 1) cout << losses[pair_idx] - loss << endl;
+        pair_idx++;
+
         if (repeat > 1) {
           model_diff = lambdas.dot(it->first.f) - lambdas.dot(it->second.f);
-          kbest_loss += max(0.0, -1.0 * model_diff);
+          kbest_loss += loss;
         }
         bool rank_error = false;
         score_t margin;
@@ -449,7 +460,7 @@ main(int argc, char** argv)
         if (rank_error || margin < loss_margin) {
           SparseVector<weight_t> diff_vec = it->first.f - it->second.f;
           if (batch) {
-            batch_loss += max(0., -1.0*model_diff);
+            batch_loss += max(0., -1.0 * model_diff);
             batch_updates += diff_vec;
             continue;
           }
@@ -529,9 +540,8 @@ main(int argc, char** argv)
       if (ki==repeat-1) { // done
         kbest_loss_last = kbest_loss;
         if (repeat > 1) {
-          score_t best_score = -1.;
           score_t best_model = -std::numeric_limits<score_t>::max();
-          unsigned best_idx;
+          unsigned best_idx = 0;
           for (unsigned i=0; i < samples->size(); i++) {
             score_t s = lambdas.dot((*samples)[i].f);
             if (s > best_model) {
@@ -634,6 +644,8 @@ main(int argc, char** argv)
     Weights::WriteToFile(w_fn, decoder_weights, true);
   }
 
+  if (check) cout << "---" << endl;
+
   } // outer loop
 
   if (average) w_average /= (weight_t)T;
diff --git a/training/dtrain/dtrain.h b/training/dtrain/dtrain.h
index ccb5ad4d..eb23b813 100644
--- a/training/dtrain/dtrain.h
+++ b/training/dtrain/dtrain.h
@@ -64,7 +64,7 @@ struct LocalScorer
   vector<score_t> w_;
 
   virtual score_t
-  Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned rank, const unsigned src_len)=0;
+  Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned rank, const unsigned src_len)=0;
 
   virtual void Reset() {} // only for ApproxBleuScorer, LinearBleuScorer
 
diff --git a/training/dtrain/examples/standard/cdec.ini b/training/dtrain/examples/standard/cdec.ini
index e1edc68d..6cba9e1e 100644
--- a/training/dtrain/examples/standard/cdec.ini
+++ b/training/dtrain/examples/standard/cdec.ini
@@ -21,6 +21,7 @@ feature_function=RuleIdentityFeatures
 feature_function=RuleSourceBigramFeatures
 feature_function=RuleTargetBigramFeatures
 feature_function=RuleShape
+feature_function=RuleWordAlignmentFeatures
 #feature_function=SourceSpanSizeFeatures
 #feature_function=SourceWordPenalty
 #feature_function=SpanFeatures
diff --git a/training/dtrain/examples/standard/dtrain.ini b/training/dtrain/examples/standard/dtrain.ini
index fc83f08e..a515db02 100644
--- a/training/dtrain/examples/standard/dtrain.ini
+++ b/training/dtrain/examples/standard/dtrain.ini
@@ -2,7 +2,7 @@
 #refs=./nc-wmt11.en.gz
 bitext=./nc-wmt11.gz
 output=-                  # a weights file (add .gz for gzip compression) or STDOUT '-'
-select_weights=VOID       # output average (over epochs) weight vector
+select_weights=avg        # output average (over epochs) weight vector
 decoder_config=./cdec.ini # config for cdec
 # weights for these features will be printed on each iteration
 print_weights=Glue WordPenalty LanguageModel LanguageModel_OOV PhraseModel_0 PhraseModel_1 PhraseModel_2 PhraseModel_3 PhraseModel_4 PhraseModel_5 PhraseModel_6 PassThrough
diff --git a/training/dtrain/examples/standard/expected-output b/training/dtrain/examples/standard/expected-output
index 75f47337..fa831221 100644
--- a/training/dtrain/examples/standard/expected-output
+++ b/training/dtrain/examples/standard/expected-output
@@ -4,7 +4,7 @@ Reading ./nc-wmt11.en.srilm.gz
 ----5---10---15---20---25---30---35---40---45---50---55---60---65---70---75---80---85---90---95--100
 ****************************************************************************************************
   Example feature: Shape_S00000_T00000
-Seeding random number sequence to 3751911392
+Seeding random number sequence to 4138446869
 
 dtrain
 Parameters:
@@ -22,7 +22,7 @@ Parameters:
                    pairs 'XYX'
                    hi lo 0.1
           pair threshold 0
-          select weights 'VOID'
+          select weights 'avg'
                   l1 reg 0 'none'
                     pclr no
                max pairs 4294967295
@@ -36,87 +36,87 @@ Iteration #1 of 3.
  . 10
 Stopping after 10 input sentences.
 WEIGHTS
-              Glue = -110
-       WordPenalty = -8.2082
-     LanguageModel = -319.91
- LanguageModel_OOV = -19.2
-     PhraseModel_0 = +312.82
-     PhraseModel_1 = -161.02
-     PhraseModel_2 = -433.65
-     PhraseModel_3 = +291.03
-     PhraseModel_4 = +252.32
-     PhraseModel_5 = +50.6
-     PhraseModel_6 = +146.7
-       PassThrough = -38.7
+              Glue = -80.3
+       WordPenalty = -51.247
+     LanguageModel = +282.46
+ LanguageModel_OOV = -85.8
+     PhraseModel_0 = -100.06
+     PhraseModel_1 = -98.692
+     PhraseModel_2 = -9.4958
+     PhraseModel_3 = +18.535
+     PhraseModel_4 = +62.35
+     PhraseModel_5 = +7
+     PhraseModel_6 = +31.4
+       PassThrough = -126.5
         ---
-       1best avg score: 0.16966 (+0.16966)
- 1best avg model score: 29874 (+29874)
-           avg # pairs: 906.3
+       1best avg score: 0.25631 (+0.25631)
+ 1best avg model score: -4843.6 (-4843.6)
+           avg # pairs: 744.4
         avg # rank err: 0 (meaningless)
      avg # margin viol: 0
        k-best loss imp: 100%
-    non0 feature count: 832
+    non0 feature count: 1274
            avg list sz: 91.3
-           avg f count: 139.77
-(time 0.35 min, 2.1 s/S)
+           avg f count: 143.72
+(time 0.4 min, 2.4 s/S)
 
 Iteration #2 of 3.
  . 10
 WEIGHTS
-              Glue = -122.1
-       WordPenalty = +83.689
-     LanguageModel = +233.23
- LanguageModel_OOV = -145.1
-     PhraseModel_0 = +150.72
-     PhraseModel_1 = -272.84
-     PhraseModel_2 = -418.36
-     PhraseModel_3 = +181.63
-     PhraseModel_4 = -289.47
-     PhraseModel_5 = +140.3
-     PhraseModel_6 = +3.5
-       PassThrough = -109.7
+              Glue = -117.4
+       WordPenalty = -99.584
+     LanguageModel = +395.05
+ LanguageModel_OOV = -136.8
+     PhraseModel_0 = +40.614
+     PhraseModel_1 = -123.29
+     PhraseModel_2 = -152
+     PhraseModel_3 = -161.13
+     PhraseModel_4 = -76.379
+     PhraseModel_5 = +39.1
+     PhraseModel_6 = +137.7
+       PassThrough = -162.1
         ---
-       1best avg score: 0.17399 (+0.004325)
- 1best avg model score: 4936.9 (-24937)
-           avg # pairs: 662.4
+       1best avg score: 0.26751 (+0.011198)
+ 1best avg model score: -10061 (-5216.9)
+           avg # pairs: 639.1
         avg # rank err: 0 (meaningless)
      avg # margin viol: 0
        k-best loss imp: 100%
-    non0 feature count: 1240
+    non0 feature count: 1845
            avg list sz: 91.3
-           avg f count: 125.11
-(time 0.27 min, 1.6 s/S)
+           avg f count: 139.88
+(time 0.35 min, 2.1 s/S)
 
 Iteration #3 of 3.
  . 10
 WEIGHTS
-              Glue = -157.4
-       WordPenalty = -1.7372
-     LanguageModel = +686.18
- LanguageModel_OOV = -399.7
-     PhraseModel_0 = -39.876
-     PhraseModel_1 = -341.96
-     PhraseModel_2 = -318.67
-     PhraseModel_3 = +105.08
-     PhraseModel_4 = -290.27
-     PhraseModel_5 = -48.6
-     PhraseModel_6 = -43.6
-       PassThrough = -298.5
+              Glue = -101.1
+       WordPenalty = -139.97
+     LanguageModel = +327.98
+ LanguageModel_OOV = -234.7
+     PhraseModel_0 = -144.49
+     PhraseModel_1 = -263.88
+     PhraseModel_2 = -149.25
+     PhraseModel_3 = -38.805
+     PhraseModel_4 = +50.575
+     PhraseModel_5 = -52.4
+     PhraseModel_6 = +41.6
+       PassThrough = -230.2
         ---
-       1best avg score: 0.30742 (+0.13343)
- 1best avg model score: -15393 (-20329)
-           avg # pairs: 623.8
+       1best avg score: 0.36222 (+0.094717)
+ 1best avg model score: -17416 (-7355.5)
+           avg # pairs: 661.2
         avg # rank err: 0 (meaningless)
      avg # margin viol: 0
        k-best loss imp: 100%
-    non0 feature count: 1776
+    non0 feature count: 2163
            avg list sz: 91.3
-           avg f count: 118.58
-(time 0.28 min, 1.7 s/S)
+           avg f count: 132.53
+(time 0.33 min, 2 s/S)
 
 Writing weights file to '-' ...
 done
 
 ---
-Best iteration: 3 [SCORE 'fixed_stupid_bleu'=0.30742].
-This took 0.9 min.
+Best iteration: 3 [SCORE 'fixed_stupid_bleu'=0.36222].
+This took 1.0833 min.
diff --git a/training/dtrain/pairsampling.h b/training/dtrain/pairsampling.h
index 3f67e209..1a3c498c 100644
--- a/training/dtrain/pairsampling.h
+++ b/training/dtrain/pairsampling.h
@@ -112,6 +112,7 @@ _PRO_cmp_pair_by_diff_d(pair<ScoredHyp,ScoredHyp> a, pair<ScoredHyp,ScoredHyp> b
 inline void
 PROsampling(vector<ScoredHyp>* s, vector<pair<ScoredHyp,ScoredHyp> >& training, score_t threshold, unsigned max, bool _unused=false, float _also_unused=0)
 {
+  sort(s->begin(), s->end(), cmp_hyp_by_score_d);
   unsigned max_count = 5000, count = 0, sz = s->size();
   bool b = false;
   for (unsigned i = 0; i < sz-1; i++) {
diff --git a/training/dtrain/score.cc b/training/dtrain/score.cc
index 96d6e10a..127f34d2 100644
--- a/training/dtrain/score.cc
+++ b/training/dtrain/score.cc
@@ -32,7 +32,7 @@ BleuScorer::Bleu(NgramCounts& counts, const unsigned hyp_len, const unsigned ref
 }
 
 score_t
-BleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+BleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                   const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -52,7 +52,7 @@ BleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  * NOTE: 0 iff no 1gram match ('grounded')
  */
 score_t
-StupidBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+StupidBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -81,7 +81,7 @@ StupidBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  * (Nakov et al. '12)
  */
 score_t
-FixedStupidBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+FixedStupidBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -112,7 +112,7 @@ FixedStupidBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  * NOTE: max is 0.9375 (with N=4)
  */
 score_t
-SmoothBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+SmoothBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -143,7 +143,7 @@ SmoothBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  * sum up Ngram precisions
  */
 score_t
-SumBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+SumBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -167,7 +167,7 @@ SumBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  * sum up exp(Ngram precisions)
  */
 score_t
-SumExpBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+SumExpBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -191,7 +191,7 @@ SumExpBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  * sum up exp(weight * log(Ngram precisions))
  */
 score_t
-SumWhateverBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+SumWhateverBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned /*rank*/, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -224,7 +224,7 @@ SumWhateverBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  *       No scaling by src len.
  */
 score_t
-ApproxBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+ApproxBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned rank, const unsigned src_len)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
@@ -255,7 +255,7 @@ ApproxBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
  *
  */
 score_t
-LinearBleuScorer::Score(vector<WordID>& hyp, vector<WordID>& ref,
+LinearBleuScorer::Score(const vector<WordID>& hyp, const vector<WordID>& ref,
                         const unsigned rank, const unsigned /*src_len*/)
 {
   unsigned hyp_len = hyp.size(), ref_len = ref.size();
diff --git a/training/dtrain/score.h b/training/dtrain/score.h
index 53e970ba..1cdd3fa9 100644
--- a/training/dtrain/score.h
+++ b/training/dtrain/score.h
@@ -138,43 +138,43 @@ make_ngram_counts(const vector<WordID>& hyp, const vector<WordID>& ref, const un
 struct BleuScorer : public LocalScorer
 {
   score_t Bleu(NgramCounts& counts, const unsigned hyp_len, const unsigned ref_len);
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {}
 };
 
 struct StupidBleuScorer : public LocalScorer
 {
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {}
 };
 
 struct FixedStupidBleuScorer : public LocalScorer
 {
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {}
 };
 
 struct SmoothBleuScorer : public LocalScorer
 {
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {}
 };
 
 struct SumBleuScorer : public LocalScorer
 {
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {}
 };
 
 struct SumExpBleuScorer : public LocalScorer
 {
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {}
 };
 
 struct SumWhateverBleuScorer : public LocalScorer
 {
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned /*rank*/, const unsigned /*src_len*/);
   void Reset() {};
 };
 
@@ -194,7 +194,7 @@ struct ApproxBleuScorer : public BleuScorer
     glob_hyp_len_ = glob_ref_len_ = glob_src_len_ = 0.;
   }
 
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned rank, const unsigned src_len);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned rank, const unsigned src_len);
 };
 
 struct LinearBleuScorer : public BleuScorer
@@ -207,7 +207,7 @@ struct LinearBleuScorer : public BleuScorer
     onebest_counts_.One();
   }
 
-  score_t Score(vector<WordID>& hyp, vector<WordID>& ref, const unsigned rank, const unsigned /*src_len*/);
+  score_t Score(const vector<WordID>& hyp, const vector<WordID>& ref, const unsigned rank, const unsigned /*src_len*/);
 
   inline void Reset() {
     onebest_len_ = 1;