int isl_qpolynomial_is_cst(__isl_keep isl_qpolynomial *qp,
isl_int *n, isl_int *d);
+void isl_qpolynomial_get_den(__isl_keep isl_qpolynomial *qp, isl_int *d);
__isl_give isl_qpolynomial *isl_qpolynomial_neg(__isl_take isl_qpolynomial *qp);
__isl_give isl_qpolynomial *isl_qpolynomial_add(__isl_take isl_qpolynomial *qp1,
return 1;
}
+static void upoly_update_den(__isl_keep struct isl_upoly *up, isl_int *d)
+{
+ int i;
+ struct isl_upoly_rec *rec;
+
+ if (isl_upoly_is_cst(up)) {
+ struct isl_upoly_cst *cst;
+ cst = isl_upoly_as_cst(up);
+ if (!cst)
+ return;
+ isl_int_lcm(*d, *d, cst->d);
+ return;
+ }
+
+ rec = isl_upoly_as_rec(up);
+ if (!rec)
+ return;
+
+ for (i = 0; i < rec->n; ++i)
+ upoly_update_den(rec->p[i], d);
+}
+
+void isl_qpolynomial_get_den(__isl_keep isl_qpolynomial *qp, isl_int *d)
+{
+ isl_int_set_si(*d, 1);
+ if (!qp)
+ return;
+ upoly_update_den(qp->upoly, d);
+}
+
__isl_give isl_qpolynomial *isl_qpolynomial_pow(__isl_take isl_dim *dim,
int pos, int power)
{