extractor/features/is_source_target_singleton.cc


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#include "is_source_target_singleton.h"

#include <cmath>

double IsSourceTargetSingleton::Score(const FeatureContext& context) const {
  return context.pair_count == 1;
}

string IsSourceTargetSingleton::GetName() const {
  return "IsSingletonEF";
}