722 	struct isl_basic_set *convex_hull;  in convex_hull_0d()  local
728 		convex_hull = isl_basic_set_empty(isl_space_copy(set->dim));  in convex_hull_0d()
730 		convex_hull = isl_basic_set_universe(isl_space_copy(set->dim));  in convex_hull_0d()
732 	return convex_hull;  in convex_hull_0d()
1796 	struct isl_basic_set *convex_hull = NULL;  in uset_convex_hull()  local
1811 		convex_hull = isl_basic_set_copy(set->p[0]);  in uset_convex_hull()
1813 		return convex_hull;  in uset_convex_hull()
1838 	isl_basic_set_free(convex_hull);  in uset_convex_hull()
1849 	struct isl_basic_set *convex_hull = NULL;  in uset_convex_hull_wrap_bounded()  local
1857 		convex_hull = isl_basic_set_universe(isl_space_copy(set->dim));  in uset_convex_hull_wrap_bounded()
1859 		convex_hull = isl_basic_set_set_rational(convex_hull);  in uset_convex_hull_wrap_bounded()
1860 		return convex_hull;  in uset_convex_hull_wrap_bounded()
1868 		convex_hull = isl_basic_set_copy(set->p[0]);  in uset_convex_hull_wrap_bounded()
1870 		convex_hull = isl_basic_map_remove_redundancies(convex_hull);  in uset_convex_hull_wrap_bounded()
1871 		return convex_hull;  in uset_convex_hull_wrap_bounded()
1893 	struct isl_basic_set *convex_hull;  in modulo_affine_hull()  local
1901 	convex_hull = uset_convex_hull(set);  in modulo_affine_hull()
1902 	convex_hull = isl_basic_set_preimage(convex_hull, T2);  in modulo_affine_hull()
1903 	convex_hull = isl_basic_set_intersect(convex_hull, affine_hull);  in modulo_affine_hull()
1904 	return convex_hull;  in modulo_affine_hull()
1935 	struct isl_basic_map *convex_hull = NULL;  in isl_map_convex_hull()  local
1961 	convex_hull = isl_basic_map_overlying_set(bset, model);  in isl_map_convex_hull()
1962 	if (!convex_hull)  in isl_map_convex_hull()
1965 	ISL_F_SET(convex_hull, ISL_BASIC_MAP_NO_IMPLICIT);  in isl_map_convex_hull()
1966 	ISL_F_SET(convex_hull, ISL_BASIC_MAP_ALL_EQUALITIES);  in isl_map_convex_hull()
1967 	ISL_F_CLR(convex_hull, ISL_BASIC_MAP_RATIONAL);  in isl_map_convex_hull()
1968 	return convex_hull;  in isl_map_convex_hull()