Added jaccard_distance function

This commit is contained in:
Andrew Kane
2024-03-25 22:35:53 -07:00
parent e7a7936bb2
commit 791fc2436f
7 changed files with 76 additions and 0 deletions

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@@ -7,6 +7,9 @@ CREATE FUNCTION quantize_binary(vector) RETURNS bit
CREATE FUNCTION hamming_distance(bit, bit) RETURNS float8
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION jaccard_distance(bit, bit) RETURNS float8
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE OPERATOR <~> (
LEFTARG = bit, RIGHTARG = bit, PROCEDURE = hamming_distance,
COMMUTATOR = '<~>'