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Andrew Kane
2023-03-21 11:55:26 -07:00
parent b69ac51ad7
commit 4e68f4f800
1 changed files with 1 additions and 1 deletions
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src/vector.c
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@@ -568,7 +568,7 @@ cosine_distance(PG_FUNCTION_ARGS)
normb += bx[i] * bx[i]; normb += bx[i] * bx[i];
} }
/* sqrt(a) * sqrt(b) == sqrt(a * b) */ /* Use sqrt(a * b) over sqrt(a) * sqrt(b) */
PG_RETURN_FLOAT8(1 - (distance / sqrt(norma * normb))); PG_RETURN_FLOAT8(1 - (distance / sqrt(norma * normb)));
} }