https://github.com/ankane/pgvector/blob/master/vector--0.1.0.sql#L108 https://github.com/ankane/pgvector/blob/master/vector--0.1.0... Nothing stops you. All op

https://github.com/ankane/pgvector/blob/master/vector--0.1.0.sql#L108 https://github.com/ankane/pgvector/blob/master/vector--0.1.0... Nothing stops you. All operators are implemented just as procedure calls.