1 files changed, 0 insertions, 114 deletions
diff --git a/src/ff.cc b/src/ff.cc
deleted file mode 100644
index 2ae5b9eb..00000000
--- a/src/ff.cc
+++ /dev/null
@@ -1,114 +0,0 @@
-#include "ff.h"
-
-#include "tdict.h"
-#include "hg.h"
-
-using namespace std;
-
-FeatureFunction::~FeatureFunction() {}
-
-
-void FeatureFunction::FinalTraversalFeatures(const void* ant_state,
-                                             SparseVector<double>* features) const {
-  (void) ant_state;
-  (void) features;
-}
-
-// 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_);
-}
-
-ModelSet::ModelSet(const vector<double>& w, const vector<const FeatureFunction*>& models) :
-    models_(models),
-    weights_(w),
-    state_size_(0),
-    model_state_pos_(models.size()) {
-  for (int i = 0; i < models_.size(); ++i) {
-    model_state_pos_[i] = state_size_;
-    state_size_ += models_[i]->NumBytesContext();
-  }
-}
-
-void ModelSet::AddFeaturesToEdge(const SentenceMetadata& smeta,
-                                 const Hypergraph& hg,
-                                 Hypergraph::Edge* edge,
-                                 string* context,
-                                 prob_t* combination_cost_estimate) const {
-  context->resize(state_size_);
-  memset(&(*context)[0], 0, state_size_);
-  SparseVector<double> est_vals;  // only computed if combination_cost_estimate is non-NULL
-  if (combination_cost_estimate) *combination_cost_estimate = prob_t::One();
-  for (int i = 0; i < models_.size(); ++i) {
-    const FeatureFunction& ff = *models_[i];
-    void* cur_ff_context = NULL;
-    vector<const void*> ants(edge->tail_nodes_.size());
-    bool has_context = ff.NumBytesContext() > 0;
-    if (has_context) {
-      int spos = model_state_pos_[i];
-      cur_ff_context = &(*context)[spos];
-      for (int i = 0; i < ants.size(); ++i) {
-        ants[i] = &hg.nodes_[edge->tail_nodes_[i]].state_[spos];
-      }
-    }
-    ff.TraversalFeatures(smeta, *edge, ants, &edge->feature_values_, &est_vals, cur_ff_context);
-  }
-  if (combination_cost_estimate)
-    combination_cost_estimate->logeq(est_vals.dot(weights_));
-  edge->edge_prob_.logeq(edge->feature_values_.dot(weights_));
-}
-
-void ModelSet::AddFinalFeatures(const std::string& state, Hypergraph::Edge* edge) const {
-  assert(1 == edge->rule_->Arity());
-
-  for (int i = 0; i < models_.size(); ++i) {
-    const FeatureFunction& ff = *models_[i];
-    const void* ant_state = NULL;
-    bool has_context = ff.NumBytesContext() > 0;
-    if (has_context) {
-      int spos = model_state_pos_[i];
-      ant_state = &state[spos];
-    }
-    ff.FinalTraversalFeatures(ant_state, &edge->feature_values_);
-  }
-  edge->edge_prob_.logeq(edge->feature_values_.dot(weights_));
-}
-