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Commit 47d2ef69 authored by satok's avatar satok Committed by Android (Google) Code Review
Browse files

Merge "Change the formula of the missing character."

parents 09df2a5b dc5301e5

native/src/defines.h

+2 −1
Original line number Diff line number Diff line
@@ -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

native/src/unigram_dictionary.cpp

+6 −3
Original line number Diff line number Diff line
@@ -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;

        }