-__isl_give isl_union_pw_qpolynomial *isl_union_pw_qpolynomial_sub(
- __isl_take isl_union_pw_qpolynomial *upwqp1,
- __isl_take isl_union_pw_qpolynomial *upwqp2)
-{
- return isl_union_pw_qpolynomial_add(upwqp1,
- isl_union_pw_qpolynomial_neg(upwqp2));
-}
-