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Andrew Kane
2024-03-25 15:43:05 -07:00
parent 58eeefeef4
commit 6bc0c47a0a
1 changed files with 1 additions and 1 deletions
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src/vector.c
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@@ -1190,9 +1190,9 @@ hamming_distance(PG_FUNCTION_ARGS)
CheckBitLengths(VARBITLEN(a), VARBITLEN(b)); CheckBitLengths(VARBITLEN(a), VARBITLEN(b));
/* TODO Improve performance */
for (uint32 i = 0; i < VARBITBYTES(a); i++) for (uint32 i = 0; i < VARBITBYTES(a); i++)
distance += pg_number_of_ones[ax[i] ^ bx[i]]; distance += pg_number_of_ones[ax[i] ^ bx[i]];
/* TODO Decide on return type */
PG_RETURN_FLOAT8((double) distance); PG_RETURN_FLOAT8((double) distance);
} }