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Merge "Fix a bug where the bigram freq would be underevaluated" into jb-dev

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Jean Chalard 2012-05-29 00:23:22 -07:00 committed by Android (Google) Code Review
commit 8f9f55dd9d
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native/jni/src/binary_format.h
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@ -537,7 +537,7 @@ inline int BinaryFormat::computeFrequencyForBigram(const int unigramFreq, const
// while a value of 15 represents the middle of the top step.
// See makedict.BinaryDictInputOutput for details.
const float stepSize = ((float)MAX_FREQ - unigramFreq) / (1.5f + MAX_BIGRAM_FREQ);
return (int)(unigramFreq + bigramFreq * stepSize);
return (int)(unigramFreq + (bigramFreq + 1) * stepSize);
}
// This returns a probability in log space.