int isl_qpolynomial_is_equal(__isl_keep isl_qpolynomial *qp1,
__isl_keep isl_qpolynomial *qp2);
+int isl_qpolynomial_is_zero(__isl_keep isl_qpolynomial *qp);
int isl_qpolynomial_is_nan(__isl_keep isl_qpolynomial *qp);
int isl_qpolynomial_is_infty(__isl_keep isl_qpolynomial *qp);
int isl_qpolynomial_is_neginfty(__isl_keep isl_qpolynomial *qp);
int pos, int power);
__isl_give isl_qpolynomial *isl_qpolynomial_div_pow(__isl_take isl_div *div,
int power);
-int isl_qpolynomial_is_zero(__isl_keep isl_qpolynomial *qp);
int isl_qpolynomial_is_one(__isl_keep isl_qpolynomial *qp);
int isl_qpolynomial_is_affine(__isl_keep isl_qpolynomial *qp);