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#include "is_source_singleton.h"
#include <cmath>
namespace extractor {
namespace features {
double IsSourceSingleton::Score(const FeatureContext& context) const {
return fabs(context.source_phrase_count - 1) < 1e-6;
}
string IsSourceSingleton::GetName() const {
return "IsSingletonF";
}
} // namespace features
} // namespace extractor
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