From 58c49b91322847dc453742cb34c2899da9b44479 Mon Sep 17 00:00:00 2001 From: satok Date: Thu, 27 Jan 2011 03:23:39 +0900 Subject: Fix auto-correction threshold and promote full matched words Bug: 3374359 Bug: 3278422 "zbe" will be auto corrected to "be" by fixing s-line "teh" will be auto corrected to "the" by promotion of full matched words Change-Id: I314c632820e4e0b1501edeca60ada205d291451f --- java/src/com/android/inputmethod/latin/Suggest.java | 2 +- java/src/com/android/inputmethod/latin/Utils.java | 5 ++++- 2 files changed, 5 insertions(+), 2 deletions(-) (limited to 'java/src') diff --git a/java/src/com/android/inputmethod/latin/Suggest.java b/java/src/com/android/inputmethod/latin/Suggest.java index 1772b2669..d5ed1f83b 100644 --- a/java/src/com/android/inputmethod/latin/Suggest.java +++ b/java/src/com/android/inputmethod/latin/Suggest.java @@ -290,7 +290,7 @@ public class Suggest implements Dictionary.WordCallback { typedWord, mSuggestions.get(0), mPriorities[0]); if (LatinImeLogger.sDBG) { Log.d(TAG, "Normalized " + typedWord + "," + mSuggestions.get(0) + "," - + mPriorities[0] + normalizedScore + + mPriorities[0] + ", " + normalizedScore + "(" + mAutoCorrectionThreshold + ")"); } if (normalizedScore >= mAutoCorrectionThreshold) { diff --git a/java/src/com/android/inputmethod/latin/Utils.java b/java/src/com/android/inputmethod/latin/Utils.java index 5059860d7..53009e4a6 100644 --- a/java/src/com/android/inputmethod/latin/Utils.java +++ b/java/src/com/android/inputmethod/latin/Utils.java @@ -267,9 +267,12 @@ public class Utils { public static double calcNormalizedScore(CharSequence before, CharSequence after, int score) { final int beforeLength = before.length(); final int afterLength = after.length(); + if (beforeLength == 0 || afterLength == 0) return 0; final int distance = editDistance(before, after); + // If afterLength < beforeLength, the algorithm is suggesting a word by excessive character + // correction. final double maximumScore = MAX_INITIAL_SCORE - * Math.pow(TYPED_LETTER_MULTIPLIER, beforeLength) + * Math.pow(TYPED_LETTER_MULTIPLIER, Math.min(beforeLength, afterLength)) * FULL_WORD_MULTIPLYER; // add a weight based on edit distance. // distance <= max(afterLength, beforeLength) == afterLength, -- cgit v1.2.3-83-g751a