__isl_give isl_union_pw_qpolynomial_fold *isl_union_pw_qpolynomial_fold_coalesce(
__isl_take isl_union_pw_qpolynomial_fold *upwf);
+ __isl_give isl_qpolynomial_fold *isl_qpolynomial_fold_gist(
+ __isl_take isl_qpolynomial_fold *fold,
+ __isl_take isl_set *context);
+
__isl_give isl_pw_qpolynomial_fold *isl_pw_qpolynomial_fold_gist(
__isl_take isl_pw_qpolynomial_fold *pwf,
__isl_take isl_set *context);