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Fixed zero handling for HNSW level selection - resolves #1023

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Co-authored-by: cuishuang <imcusg@gmail.com>
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Andrew Kane
2026-09-08 07:26:15 -07:00
parent e48241b4dc
commit efa08fda9e
1 changed files with 2 additions and 1 deletions
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3
src/hnswutils.c
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@@ -246,7 +246,8 @@ HnswInitElement(char *base, ItemPointer heaptid, int m, double ml, int maxLevel,
{
HnswElement element = HnswAlloc(allocator, sizeof(HnswElementData));
int level = (int) (-log(RandomDouble()) * ml);
double uniform = RandomDouble();
int level = uniform == 0.0 ? maxLevel : (int) (-log(uniform) * ml);
/* Cap level */
if (level > maxLevel)