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#ifndef MERT_CDER_SCORER_H_
#define MERT_CDER_SCORER_H_
#include <string>
#include <vector>
#include "Types.h"
#include "StatisticsBasedScorer.h"
namespace MosesTuning
{
/**
* CderScorer class can compute both CDER and WER metric.
*/
class CderScorer: public StatisticsBasedScorer
{
public:
explicit CderScorer(const std::string& config, bool allowed_long_jumps = true);
~CderScorer();
virtual void setReferenceFiles(const std::vector<std::string>& referenceFiles);
virtual void prepareStats(std::size_t sid, const std::string& text, ScoreStats& entry);
virtual void prepareStatsVector(std::size_t sid, const std::string& text, std::vector<ScoreStatsType>& stats);
virtual std::size_t NumberOfScores() const {
return 2;
}
virtual float calculateScore(const std::vector<ScoreStatsType>& comps) const;
private:
bool m_allowed_long_jumps;
typedef std::vector<int> sent_t;
std::vector<std::vector<sent_t> > m_ref_sentences;
void computeCD(const sent_t& cand, const sent_t& ref,
std::vector<ScoreStatsType>& stats) const;
// no copying allowed
CderScorer(const CderScorer&);
CderScorer& operator=(const CderScorer&);
};
}
#endif // MERT_CDER_SCORER_H_
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