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40 lines
963 B
C++
40 lines
963 B
C++
/*
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* StatefulFeatureFunction.h
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*
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* Created on: 24 Oct 2015
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* Author: hieu
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*/
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#ifndef STATEFULFEATUREFUNCTION_H_
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#define STATEFULFEATUREFUNCTION_H_
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#include "FeatureFunction.h"
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#include "moses/FF/FFState.h"
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class Hypothesis;
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class StatefulFeatureFunction : public FeatureFunction
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{
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public:
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StatefulFeatureFunction(size_t startInd, const std::string &line);
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virtual ~StatefulFeatureFunction();
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void SetStatefulInd(size_t ind)
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{ m_statefulInd = ind; }
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size_t GetStatefulInd() const
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{ return m_statefulInd; }
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//! return the state associated with the empty hypothesis for a given sentence
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virtual const Moses::FFState* EmptyHypothesisState(const Manager &mgr, const Phrase &input) const = 0;
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virtual Moses::FFState* EvaluateWhenApplied(const Manager &mgr,
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const Hypothesis &hypo,
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const Moses::FFState &prevState,
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Scores &score) const = 0;
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protected:
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size_t m_statefulInd;
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};
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#endif /* STATEFULFEATUREFUNCTION_H_ */
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