int isl_basic_set_plain_is_equal(__isl_keep isl_basic_set *bset1,
__isl_keep isl_basic_set *bset2);
int isl_basic_map_plain_is_equal(__isl_keep isl_basic_map *bmap1,
int isl_basic_set_plain_is_equal(__isl_keep isl_basic_set *bset1,
__isl_keep isl_basic_set *bset2);
int isl_basic_map_plain_is_equal(__isl_keep isl_basic_map *bmap1,