mosesdecoder/moses/ChartTranslationOptions.cpp

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/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2010 Hieu Hoang
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
***********************************************************************/
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#include "ChartTranslationOptions.h"
#include "ChartHypothesis.h"
#include "ChartCellLabel.h"
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namespace Moses
{
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float ChartTranslationOptions::CalcEstimateOfBestScore(
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const TargetPhraseCollection &tpc,
const StackVec &stackVec)
{
const TargetPhrase &targetPhrase = **(tpc.begin());
float estimateOfBestScore = targetPhrase.GetFutureScore();
for (StackVec::const_iterator p = stackVec.begin(); p != stackVec.end();
++p) {
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const HypoList *stack = (*p)->GetStack().cube;
assert(stack);
assert(!stack->empty());
const ChartHypothesis &bestHypo = **(stack->begin());
estimateOfBestScore += bestHypo.GetTotalScore();
}
return estimateOfBestScore;
}
}