moses-smt/mosesdecoder
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Jun-ya NORIMATSU 2015-01-12 13:20:38 +09:00
parent 39799188a0
commit 832b725c59
2 changed files with 2 additions and 12 deletions
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13
moses/LM/DALMWrapper.cpp
View File

@ -340,8 +340,6 @@ FFState *LanguageModelDALM::EvaluateWhenApplied(const Hypothesis &hypo, const FF
}
FFState *LanguageModelDALM::EvaluateWhenApplied(const ChartHypothesis& hypo, int featureID, ScoreComponentCollection *out) const{
// TODO: original authors of this feature function, please check TODOs in this method to reactivate
//UTIL_THROW2("DALM has been temporarily deactivated in the chart decoder, cf. http://thread.gmane.org/gmane.comp.nlp.moses.user/12146");
// initialize language model context state
DALMChartState *newState = new DALMChartState();
DALM::State &state = newState->GetRightContext();
@ -382,9 +380,6 @@ FFState *LanguageModelDALM::EvaluateWhenApplied(const ChartHypothesis& hypo, int
(*newState) = (*prevState);
hypoSizeAll = hypoSize+prevState->GetHypoSize()-1;
// get hypoScore
// hypoScore = UntransformLMScore(prevHypo->GetScoreBreakdown().GetScoresForProducer(this)[0]); // TODO: Check whether this (and the below) modification is sufficient to fix the method to conform with feature score deltas in the chart decoder: https://github.com/moses-smt/mosesdecoder/commit/465b47566424efb707bdc063d0bff52b0650eb0a . It's likely that you'll also have to adapt EvaluateNonTerminal() and/or EvaluateTerminal()
phrasePos++;
}
}
@ -412,21 +407,19 @@ FFState *LanguageModelDALM::EvaluateWhenApplied(const ChartHypothesis& hypo, int
const DALMChartState* prevState =
static_cast<const DALMChartState*>(prevHypo->GetFFState(featureID));
size_t prevTargetPhraseLength = prevHypo->GetCurrTargetPhrase().GetSize();
//float prevHypoScore = UntransformLMScore(prevHypo->GetScoreBreakdown().GetScoresForProducer(this)[0]);
hypoSizeAll += prevState->GetHypoSize()-1;
EvaluateNonTerminal(
word, hypoScore,
newState, state,
prefixFragments, prefixLength,
prevState, prevTargetPhraseLength //, prevHypoScore
prevState, prevTargetPhraseLength
);
}
}
// assign combined score to score breakdown
// out->Assign(this, TransformLMScore(hypoScore));
out->PlusEquals(this, TransformLMScore(hypoScore)); // TODO: Check whether this (and the above) modification is sufficient to fix the method to conform with feature score deltas in the chart decoder: https://github.com/moses-smt/mosesdecoder/commit/465b47566424efb707bdc063d0bff52b0650eb0a . It's likely that you'll also have to adapt EvaluateNonTerminal() and/or EvaluateTerminal()
out->PlusEquals(this, TransformLMScore(hypoScore));
return newState;
}
@ -525,12 +518,10 @@ void LanguageModelDALM::EvaluateNonTerminal(
unsigned char &prefixLength,
const DALMChartState *prevState,
size_t prevTargetPhraseLength
//float prevHypoScore
) const{
const unsigned char prevPrefixLength = prevState->GetPrefixLength();
const DALM::Fragment *prevPrefixFragments = prevState->GetPrefixFragments();
//hypoScore += prevHypoScore;
if(prevPrefixLength == 0){
newState->SetAsLarge();

1
moses/LM/DALMWrapper.h
View File

@ -95,7 +95,6 @@ private:
unsigned char &prefixLength,
const DALMChartState *prevState,
size_t prevTargetPhraseLength
//float prevHypoScore
) const;
};