cpp/python: export documented functions to construct sets from isl_aff
The following documented operations are exported:
isl_aff_eq_set
isl_aff_ne_set
isl_aff_le_set
isl_aff_lt_set
isl_aff_ge_set
isl_aff_gt_set
The function variants that produce basic sets are not yet exported, as
it is unclear if there are common use cases for them.
Signed-off-by: Tobias Grosser <tobias@grosser.es>
Reviewed-by: Nicolas Vasilache <nicolas.vasilache@gmail.com>
Reviewed-by: Oleksandr Zinenko <oleksandr.zinenko@inria.fr>
Signed-off-by: Sven Verdoolaege <sven.verdoolaege@gmail.com>