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Merge "Change the formula of the missing character."

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satok 2011-04-12 20:22:10 -07:00 committed by Android (Google) Code Review
parent 09df2a5bf4 dc5301e590
commit 47d2ef69d3
2 changed files with 8 additions and 4 deletions
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3
native/src/defines.h
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@ -138,7 +138,8 @@ static void prof_out(void) {
#define SUGGEST_WORDS_WITH_SPACE_PROXIMITY true
// The following "rate"s are used as a multiplier before dividing by 100, so they are in percent.
#define WORDS_WITH_MISSING_CHARACTER_DEMOTION_RATE 70
#define WORDS_WITH_MISSING_CHARACTER_DEMOTION_RATE 90
#define WORDS_WITH_MISSING_CHARACTER_DEMOTION_START_POS_10X 12
#define WORDS_WITH_MISSING_SPACE_CHARACTER_DEMOTION_RATE 80
#define WORDS_WITH_EXCESSIVE_CHARACTER_DEMOTION_RATE 75
#define WORDS_WITH_EXCESSIVE_CHARACTER_OUT_OF_PROXIMITY_DEMOTION_RATE 75

9
native/src/unigram_dictionary.cpp
View File

@ -518,9 +518,12 @@ inline int UnigramDictionary::calculateFinalFreq(const int inputIndex, const int
// TODO: Demote by edit distance
int finalFreq = freq * matchWeight;
if (skipPos >= 0) {
if (mInputLength >= 3) {
multiplyRate(WORDS_WITH_MISSING_CHARACTER_DEMOTION_RATE *
(mInputLength - 2) / (mInputLength - 1), &finalFreq);
if (mInputLength >= 2) {
const int demotionRate = WORDS_WITH_MISSING_CHARACTER_DEMOTION_RATE
* (10 * mInputLength - WORDS_WITH_MISSING_CHARACTER_DEMOTION_START_POS_10X)
/ (10 * mInputLength
- WORDS_WITH_MISSING_CHARACTER_DEMOTION_START_POS_10X + 10);
multiplyRate(demotionRate, &finalFreq);
} else {
finalFreq = 0;
}