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