From 09a522afef40e514e741ddf5f9bbc61cfb2170e8 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cab.ark.cs.cmu.edu>
Date: Tue, 16 Oct 2012 00:37:21 -0400
Subject: clean up of bad header includes

---
 decoder/ff_basic.cc | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 decoder/ff_basic.cc

(limited to 'decoder/ff_basic.cc')

diff --git a/decoder/ff_basic.cc b/decoder/ff_basic.cc
new file mode 100644
index 00000000..f9404d24
--- /dev/null
+++ b/decoder/ff_basic.cc
@@ -0,0 +1,80 @@
+#include "ff_basic.h"
+
+#include "fast_lexical_cast.hpp"
+#include "hg.h"
+
+using namespace std;
+
+// Hiero and Joshua use log_10(e) as the value, so I do to
+WordPenalty::WordPenalty(const string& param) :
+  fid_(FD::Convert("WordPenalty")),
+    value_(-1.0 / log(10)) {
+  if (!param.empty()) {
+    cerr << "Warning WordPenalty ignoring parameter: " << param << endl;
+  }
+}
+
+void WordPenalty::TraversalFeaturesImpl(const SentenceMetadata& smeta,
+                                        const Hypergraph::Edge& edge,
+                                        const std::vector<const void*>& ant_states,
+                                        SparseVector<double>* features,
+                                        SparseVector<double>* estimated_features,
+                                        void* state) const {
+  (void) smeta;
+  (void) ant_states;
+  (void) state;
+  (void) estimated_features;
+  features->set_value(fid_, edge.rule_->EWords() * value_);
+}
+
+
+SourceWordPenalty::SourceWordPenalty(const string& param) :
+    fid_(FD::Convert("SourceWordPenalty")),
+    value_(-1.0 / log(10)) {
+  if (!param.empty()) {
+    cerr << "Warning SourceWordPenalty ignoring parameter: " << param << endl;
+  }
+}
+
+void SourceWordPenalty::TraversalFeaturesImpl(const SentenceMetadata& smeta,
+                                        const Hypergraph::Edge& edge,
+                                        const std::vector<const void*>& ant_states,
+                                        SparseVector<double>* features,
+                                        SparseVector<double>* estimated_features,
+                                        void* state) const {
+  (void) smeta;
+  (void) ant_states;
+  (void) state;
+  (void) estimated_features;
+  features->set_value(fid_, edge.rule_->FWords() * value_);
+}
+
+
+ArityPenalty::ArityPenalty(const std::string& param) :
+    value_(-1.0 / log(10)) {
+  string fname = "Arity_";
+  unsigned MAX=DEFAULT_MAX_ARITY;
+  using namespace boost;
+  if (!param.empty())
+    MAX=lexical_cast<unsigned>(param);
+  for (unsigned i = 0; i <= MAX; ++i) {
+    WordID fid=FD::Convert(fname+lexical_cast<string>(i));
+    fids_.push_back(fid);
+  }
+  while (!fids_.empty() && fids_.back()==0) fids_.pop_back(); // pretty up features vector in case FD was frozen.  doesn't change anything
+}
+
+void ArityPenalty::TraversalFeaturesImpl(const SentenceMetadata& smeta,
+                                         const Hypergraph::Edge& edge,
+                                         const std::vector<const void*>& ant_states,
+                                         SparseVector<double>* features,
+                                         SparseVector<double>* estimated_features,
+                                         void* state) const {
+  (void) smeta;
+  (void) ant_states;
+  (void) state;
+  (void) estimated_features;
+  unsigned a=edge.Arity();
+  features->set_value(a<fids_.size()?fids_[a]:0, value_);
+}
+
-- 
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