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63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
// $Id$
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/***********************************************************************
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Moses - statistical machine translation system
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Copyright (C) 2006-2011 University of Edinburgh
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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***********************************************************************/
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#include "Base.h"
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#include "moses/TypeDef.h"
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#include "moses/Util.h"
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#include "moses/Manager.h"
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#include "moses/ChartManager.h"
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#include "moses/FactorCollection.h"
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#include "moses/Phrase.h"
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#include "moses/StaticData.h"
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#include "util/exception.hh"
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using namespace std;
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namespace Moses {
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LanguageModel::LanguageModel() :
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StatefulFeatureFunction("LM", StaticData::Instance().GetLMEnableOOVFeature() ? 2 : 1 ) {
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m_enableOOVFeature = StaticData::Instance().GetLMEnableOOVFeature();
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}
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LanguageModel::~LanguageModel() {}
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float LanguageModel::GetWeight() const {
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//return StaticData::Instance().GetAllWeights().GetScoresForProducer(this)[0];
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return StaticData::Instance().GetWeights(this)[0];
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}
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float LanguageModel::GetOOVWeight() const {
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if (m_enableOOVFeature) {
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//return StaticData::Instance().GetAllWeights().GetScoresForProducer(this)[1];
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return StaticData::Instance().GetWeights(this)[1];
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} else {
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return 0;
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}
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}
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void LanguageModel::IncrementalCallback(Incremental::Manager &manager) const {
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UTIL_THROW(util::Exception, "Incremental search is only supported by KenLM.");
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}
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} // namespace Moses
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