1enum { FP_NAN, FP_INF, FP_NOR, FP_SUB, FP_ZERO };
2
3#define	classify(X) __builtin_fpclassify(FP_NAN,FP_INF,FP_NOR,FP_SUB,FP_ZERO,X)
4
5int test(void)
6{
7	if (classify(__builtin_nan("0")) != FP_NAN)
8		return 0;
9	if (classify(__builtin_inf("0")) != FP_INF)
10		return 0;
11	if (classify(1.0) != FP_NOR)
12		return 0;
13	if (classify(0.0) != FP_ZERO)
14		return 0;
15
16	return 1;
17}
18
19/*
20 * check-name: builtin_fpclassify
21 * check-command: test-linearize -Wno-decl $file
22 * check-known-to-fail
23 *
24 * check-output-ignore
25 * check-output-contains: ret\\..*\\$1
26 */
27