1#define xFN(TYPE,NAME) TYPE ## _ ## NAME
2#define FN(TYPE,NAME) xFN(TYPE,NAME)
3
4/* Check that "obj" has a single reference.
5 * That is, check that "obj" can be changed inplace.
6 */
7isl_stat FN(TYPE,check_single_reference)(__isl_keep TYPE *obj)
8{
9	isl_bool single;
10
11	single = FN(TYPE,has_single_reference)(obj);
12	if (single < 0)
13		return isl_stat_error;
14	if (!single)
15		isl_die(FN(TYPE,get_ctx)(obj), isl_error_invalid,
16			"object should have a single reference",
17			return isl_stat_error);
18	return isl_stat_ok;
19}
20