For C<isl_printer_print_union_pw_qpolynomial_fold>,
output format of the printer
needs to be set to C<ISL_FORMAT_ISL>.
+In case of printing in C<ISL_FORMAT_C>, the user may want
+to set the names of all dimensions
+
+ __isl_give isl_pw_qpolynomial_fold *
+ isl_pw_qpolynomial_fold_set_dim_name(
+ __isl_take isl_pw_qpolynomial_fold *pwf,
+ enum isl_dim_type type, unsigned pos,
+ const char *s);
=head3 Inspecting (Piecewise) Quasipolynomial Reductions
__isl_give isl_pw_qpolynomial_fold *isl_pw_qpolynomial_fold_zero(
__isl_take isl_dim *dim, enum isl_fold type);
+__isl_give isl_pw_qpolynomial_fold *isl_pw_qpolynomial_fold_set_dim_name(
+ __isl_take isl_pw_qpolynomial_fold *pwf,
+ enum isl_dim_type type, unsigned pos, const char *s);
+
__isl_give isl_set *isl_pw_qpolynomial_fold_domain(
__isl_take isl_pw_qpolynomial_fold *pwf);
__isl_give isl_pw_qpolynomial_fold *isl_pw_qpolynomial_fold_intersect_domain(