} else if (ao_scheme_integer_typep(rt) && ao_scheme_integer_typep(ct)) {
int32_t r = ao_scheme_poly_integer(ret, NULL);
int32_t c = ao_scheme_poly_integer(car, NULL);
} else if (ao_scheme_integer_typep(rt) && ao_scheme_integer_typep(ct)) {
int32_t r = ao_scheme_poly_integer(ret, NULL);
int32_t c = ao_scheme_poly_integer(car, NULL);