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Reword a confusing comment

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Bug: 7005645
Change-Id: Ifd942b3ce242aeeec512e132e1cee31329e994b1
This commit is contained in:
Jean Chalard 2012-08-17 17:22:28 +09:00
parent e2ac3932e3
commit aa27635a8a
1 changed files with 4 additions and 4 deletions
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java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java
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@ -783,10 +783,10 @@ public class BinaryDictInputOutput {
// their lower bound and exclude their higher bound so we need to have the first step
// start at exactly 1 unit higher than floor(unigramFreq + half a step).
// Note : to reconstruct the score, the dictionary reader will need to divide
// MAX_TERMINAL_FREQUENCY - unigramFreq by 16.5 likewise, and add
// (discretizedFrequency + 0.5) times this value to get the median value of the step,
// which is the best approximation. This is how we get the most precise result with
// only four bits.
// MAX_TERMINAL_FREQUENCY - unigramFreq by 16.5 likewise to get the value of the step,
// and add (discretizedFrequency + 0.5 + 0.5) times this value to get the best
// approximation. (0.5 to get the first step start, and 0.5 to get the middle of the
// step pointed by the discretized frequency.
final float stepSize =
(MAX_TERMINAL_FREQUENCY - unigramFrequency) / (1.5f + MAX_BIGRAM_FREQUENCY);
final float firstStepStart = 1 + unigramFrequency + (stepSize / 2.0f);