jbe@54: DROP OPERATOR <> (epoint, epoint);
jbe@54: DROP OPERATOR <> (ebox, ebox);
jbe@54: DROP OPERATOR <> (ecircle, ecircle);
jbe@54: 
jbe@54: CREATE OPERATOR <> (
jbe@54:   leftarg = epoint,
jbe@54:   rightarg = epoint,
jbe@54:   procedure = epoint_btree_ne,
jbe@54:   commutator = <>,
jbe@54:   negator = =,
jbe@54:   restrict = neqsel,
jbe@54:   join = neqjoinsel
jbe@54: );
jbe@54: 
jbe@54: CREATE OPERATOR <> (
jbe@54:   leftarg = ebox,
jbe@54:   rightarg = ebox,
jbe@54:   procedure = ebox_btree_ne,
jbe@54:   commutator = <>,
jbe@54:   negator = =,
jbe@54:   restrict = neqsel,
jbe@54:   join = neqjoinsel
jbe@54: );
jbe@54: 
jbe@54: CREATE OPERATOR <> (
jbe@54:   leftarg = ecircle,
jbe@54:   rightarg = ecircle,
jbe@54:   procedure = ecircle_btree_ne,
jbe@54:   commutator = <>,
jbe@54:   negator = =,
jbe@54:   restrict = neqsel,
jbe@54:   join = neqjoinsel
jbe@54: );
jbe@54: