Function element_sub

methods/array_ops/src/pg_gp/array_ops.c:1430–1436

* Assign result to be (elt1 - elt2). */

 * Assign result to be (elt1 - elt2).
 */
static
inline
Datum
element_sub(Datum element, Oid elt_type, Datum result,
        Oid result_type, Datum opt_elt, Oid opt_type){
    return element_op(element, elt_type, result, result_type, opt_elt, opt_type, float8_sub);
}

/*
 * Assign result to be (elt1 * elt2).