struct isl_basic_set *isl_basic_set_lineality_space(struct isl_basic_set *bset);
struct isl_basic_set *isl_basic_set_set_rational(struct isl_basic_set *bset);
struct isl_basic_set *isl_basic_set_lineality_space(struct isl_basic_set *bset);
struct isl_basic_set *isl_basic_set_set_rational(struct isl_basic_set *bset);
__isl_give isl_basic_map *isl_basic_map_set_rational(
__isl_take isl_basic_map *bmap);
__isl_give isl_map *isl_map_set_rational(__isl_take isl_map *map);
__isl_give isl_basic_map *isl_basic_map_set_rational(
__isl_take isl_basic_map *bmap);
__isl_give isl_map *isl_map_set_rational(__isl_take isl_map *map);