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-rw-r--r--vest/ces.cc87
1 files changed, 0 insertions, 87 deletions
diff --git a/vest/ces.cc b/vest/ces.cc
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--- a/vest/ces.cc
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@@ -1,87 +0,0 @@
-#include "ces.h"
-
-#include <vector>
-#include <sstream>
-#include <boost/shared_ptr.hpp>
-
-#include "aligner.h"
-#include "lattice.h"
-#include "viterbi_envelope.h"
-#include "error_surface.h"
-
-using boost::shared_ptr;
-using namespace std;
-
-const bool minimize_segments = true; // if adjacent segments have equal scores, merge them
-
-void ComputeErrorSurface(const SentenceScorer& ss, const ViterbiEnvelope& ve, ErrorSurface* env, const ScoreType type, const Hypergraph& hg) {
- vector<WordID> prev_trans;
- const vector<shared_ptr<Segment> >& ienv = ve.GetSortedSegs();
- env->resize(ienv.size());
- ScoreP prev_score;
- int j = 0;
- for (int i = 0; i < ienv.size(); ++i) {
- const Segment& seg = *ienv[i];
- vector<WordID> trans;
- if (type == AER) {
- vector<bool> edges(hg.edges_.size(), false);
- seg.CollectEdgesUsed(&edges); // get the set of edges in the viterbi
- // alignment
- ostringstream os;
- const string* psrc = ss.GetSource();
- if (psrc == NULL) {
- cerr << "AER scoring in VEST requires source, but it is missing!\n";
- abort();
- }
- size_t pos = psrc->rfind(" ||| ");
- if (pos == string::npos) {
- cerr << "Malformed source for AER: expected |||\nINPUT: " << *psrc << endl;
- abort();
- }
- Lattice src;
- Lattice ref;
- LatticeTools::ConvertTextOrPLF(psrc->substr(0, pos), &src);
- LatticeTools::ConvertTextOrPLF(psrc->substr(pos + 5), &ref);
- AlignerTools::WriteAlignment(src, ref, hg, &os, true, 0, &edges);
- string tstr = os.str();
- TD::ConvertSentence(tstr.substr(tstr.rfind(" ||| ") + 5), &trans);
- } else {
- seg.ConstructTranslation(&trans);
- }
- // cerr << "Scoring: " << TD::GetString(trans) << endl;
- if (trans == prev_trans) {
- if (!minimize_segments) {
- assert(prev_score); // if this fails, it means
- // the decoder can generate null translations
- ErrorSegment& out = (*env)[j];
- out.delta = prev_score->GetZero();
- out.x = seg.x;
- ++j;
- }
- // cerr << "Identical translation, skipping scoring\n";
- } else {
- ScoreP score = ss.ScoreCandidate(trans);
- // cerr << "score= " << score->ComputeScore() << "\n";
- ScoreP cur_delta_p = score->GetZero();
- Score* cur_delta = cur_delta_p.get();
- // just record the score diffs
- if (!prev_score)
- prev_score = score->GetZero();
-
- score->Subtract(*prev_score, cur_delta);
- prev_trans.swap(trans);
- prev_score = score;
- if ((!minimize_segments) || (!cur_delta->IsAdditiveIdentity())) {
- ErrorSegment& out = (*env)[j];
- out.delta = cur_delta_p;
- out.x = seg.x;
- ++j;
- }
- }
- }
- // cerr << " In segments: " << ienv.size() << endl;
- // cerr << "Out segments: " << j << endl;
- assert(j > 0);
- env->resize(j);
-}
-