extractor/features/target_given_source_coherent.cc


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#include "target_given_source_coherent.h"

#include <cmath>

namespace extractor {
namespace features {

double TargetGivenSourceCoherent::Score(const FeatureContext& context) const {
  double prob = (double) context.pair_count / context.num_samples;
  return prob > 0 ? -log10(prob) : MAX_SCORE;
}

string TargetGivenSourceCoherent::GetName() const {
  return "EgivenFCoherent";
}

} // namespace features
} // namespace extractor