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#ifndef moses_SparsePhraseFeature_h
#define moses_SparsePhraseFeature_h
#include "FactorCollection.h"
#include "FeatureFunction.h"
namespace Moses
{
/**
* Collection of sparse features attached to each phrase pair.
**/
class SparsePhraseDictionaryFeature : public StatelessFeatureFunction {
public:
SparsePhraseDictionaryFeature():
StatelessFeatureFunction("stm", ScoreProducer::unlimited) {}
void Evaluate(const TargetPhrase& cur_phrase,
ScoreComponentCollection* accumulator) const;
void EvaluateChart(
const ChartHypothesis&,
int /* featureID */,
ScoreComponentCollection*) const {
CHECK(0); // feature function not valid in chart decoder
}
// basic properties
std::string GetScoreProducerWeightShortName(unsigned) const { return "stm"; }
size_t GetNumInputScores() const { return 0; }
};
}
#endif
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