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Minor fix. #34

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Minor fix. #34

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6e2e145
Minor fix.
lemire Mar 23, 2022
8d66804
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lemire Mar 23, 2022
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17 changes: 12 additions & 5 deletions fastfilter/src/main/java/org/fastfilter/xor/XorBinaryFuse8.java
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Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,18 @@ private void addAll(long[] keys) {
// we have a possible counter overflow
// this branch is never taken except if there is a problem in the hash code
// in which case construction fails
hashIndex++;
Arrays.fill(t2count, (byte) 0);
Arrays.fill(t2hash, 0);
Arrays.fill(reverseOrder, 0);

if (hashIndex > 100) {
// if construction doesn't succeed eventually,
// then there is likely a problem with the hash function
throw new IllegalArgumentException("Construction failed after " + hashIndex + " retries for size " + size);
}
// use a new random numbers
seed = Hash.randomSeed();
break;
}

Expand Down Expand Up @@ -199,11 +211,6 @@ private void addAll(long[] keys) {
Arrays.fill(t2hash, 0);
Arrays.fill(reverseOrder, 0);

// TODO
// if (hashIndex > 10) {
// System.out.println("WARNING: hashIndex " + hashIndex + "\n");
// System.out.println(size + " keys; arrayLength " + arrayLength + " reverseOrderPos " + reverseOrderPos + " segmentLength " + segmentLength + " segmentCount " + segmentCount);
// }
if (hashIndex > 100) {
// if construction doesn't succeed eventually,
// then there is likely a problem with the hash function
Expand Down