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// $Id$
/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2006 University of Edinburgh
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
***********************************************************************/
#pragma once
#include <string>
#include <vector>
#include "NGramNode.h"
#include "Factor.h"
#include "TypeDef.h"
#include "Util.h"
#include "LanguageModel.h"
class FactorCollection;
class Factor;
class Phrase;
class LanguageModel_Internal : public LanguageModel
{
public:
LanguageModel_Internal();
void Load(size_t id
, const std::string &fileName
, FactorCollection &factorCollection
, FactorType factorType
, float weight
, size_t nGramOrder);
#define Vocab_None NULL;
virtual float GetValue(const std::vector<const Factor*> &contextFactor) const;
protected:
NGramCollection m_map;
float GetValue(const Factor *factor0) const;
float GetValue(const Factor *factor0, const Factor *factor1) const;
float GetValue(const Factor *factor0, const Factor *factor1, const Factor *factor2) const;
public:
LmId GetLmID( const Factor *factor ) const;
};
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