Github user myui commented on a diff in the pull request:
https://github.com/apache/incubator-hivemall/pull/66#discussion_r111727992
--- Diff: core/src/main/java/hivemall/topicmodel/OnlineLDAModel.java ---
@@ -350,66 +348,80 @@ private float computeApproxBoundForMiniBatch() {
float score = 0.f;
// prepare
- final float[] gammaSum = new float[_miniBatchSize];
- for (int d = 0; d < gammaSum.length; d++) {
- gammaSum[d] += MathUtils.sum(_gamma[d], _K);
+ float[] gammaSum = new float[_miniBatchSize];
+ Arrays.fill(gammaSum, 0.f);
--- End diff --
zero filling is not required in java. `gammaSum` has initialized with 0 for
each entry.
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