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Merge "Promote a word with only one proximity character."

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This commit is contained in:
satok 2011-04-13 03:18:57 -07:00 committed by Android (Google) Code Review
commit 0851abf999
2 changed files with 13 additions and 1 deletions
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3
native/src/defines.h
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@ -138,13 +138,14 @@ 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 90
#define WORDS_WITH_MISSING_CHARACTER_DEMOTION_RATE 80
#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
#define WORDS_WITH_TRANSPOSED_CHARACTERS_DEMOTION_RATE 60
#define FULL_MATCHED_WORDS_PROMOTION_RATE 120
#define WORDS_WITH_JUST_ONE_PROXIMITY_CHARACTER_PROMOTION_RATE 110
// This should be greater than or equal to MAX_WORD_LENGTH defined in BinaryDictionary.java
// This is only used for the size of array. Not to be used in c functions.

11
native/src/unigram_dictionary.cpp
View file

@ -523,6 +523,9 @@ inline int UnigramDictionary::calculateFinalFreq(const int inputIndex, const int
* (10 * mInputLength - WORDS_WITH_MISSING_CHARACTER_DEMOTION_START_POS_10X)
/ (10 * mInputLength
- WORDS_WITH_MISSING_CHARACTER_DEMOTION_START_POS_10X + 10);
if (DEBUG_DICT) {
LOGI("Demotion rate for missing character is %d.", demotionRate);
}
multiplyRate(demotionRate, &finalFreq);
} else {
finalFreq = 0;
@ -539,6 +542,7 @@ inline int UnigramDictionary::calculateFinalFreq(const int inputIndex, const int
int lengthFreq = TYPED_LETTER_MULTIPLIER;
for (int i = 0; i < depth; ++i) lengthFreq *= TYPED_LETTER_MULTIPLIER;
if (lengthFreq == matchWeight) {
// Full exact match
if (depth > 1) {
if (DEBUG_DICT) {
LOGI("Found full matched word.");
@ -548,6 +552,13 @@ inline int UnigramDictionary::calculateFinalFreq(const int inputIndex, const int
if (sameLength && transposedPos < 0 && skipPos < 0 && excessivePos < 0) {
finalFreq = capped255MultForFullMatchAccentsOrCapitalizationDifference(finalFreq);
}
} else if (lengthFreq / 2 == matchWeight && transposedPos < 0 && skipPos < 0
&& excessivePos < 0 && depth > 1) {
// Full match except only one proximity correction
if (DEBUG_DICT) {
LOGI("Found one proximity correction.");
}
multiplyRate(WORDS_WITH_JUST_ONE_PROXIMITY_CHARACTER_PROMOTION_RATE, &finalFreq);
}
if (sameLength) finalFreq *= FULL_WORD_MULTIPLIER;
return finalFreq;