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/*
* ff_const_reorder.h
*
* Created on: Jul 11, 2013
* Author: junhuili
*/
#ifndef FF_CONST_REORDER_H_
#define FF_CONST_REORDER_H_
#include "ff_factory.h"
#include "ff.h"
struct ConstReorderFeatureImpl;
class ConstReorderFeature : public FeatureFunction {
public:
// param = "filename n"
ConstReorderFeature(const std::string& param);
~ConstReorderFeature();
static std::string usage(bool param,bool verbose);
protected:
virtual void PrepareForInput(const SentenceMetadata& smeta);
virtual void TraversalFeaturesImpl(const SentenceMetadata& smeta,
const HG::Edge& edge,
const std::vector<const void*>& ant_contexts,
SparseVector<double>* features,
SparseVector<double>* estimated_features,
void* out_context) const;
private:
ConstReorderFeatureImpl* pimpl_;
};
struct ConstReorderFeatureFactory : public FactoryBase<FeatureFunction> {
FP Create(std::string param) const;
std::string usage(bool params,bool verbose) const;
};
#endif /* FF_CONST_REORDER_H_ */
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