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Improved comment [skip ci]

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This commit is contained in:
Andrew Kane
2021-05-06 22:40:04 -07:00
parent b8f3688e41
commit 3dffc01e31
1 changed files with 4 additions and 2 deletions
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6
src/ivfbuild.c
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@@ -41,8 +41,10 @@ SampleCallback(Relation index, CALLBACK_ITEM_POINTER, Datum *values,
if (isnull[0]) if (isnull[0])
return; return;
/* Normalize the value */ /*
/* Use KMEANS_NORM_PROC for spherical distance function */ * Normalize with KMEANS_NORM_PROC since spherical distance function
* expects unit vectors
*/
if (buildstate->kmeansnormprocinfo != NULL) if (buildstate->kmeansnormprocinfo != NULL)
{ {
if (!IvfflatNormValue(buildstate->kmeansnormprocinfo, buildstate->collation, &value, buildstate->normvec)) if (!IvfflatNormValue(buildstate->kmeansnormprocinfo, buildstate->collation, &value, buildstate->normvec))