fpclassify2_test.c revision 110405 
1/*-
2 * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/tools/regression/lib/libc/gen/test-fpclassify.c 110405 2003-02-05 16:40:18Z mike $
27 */
28
29#include <assert.h>
30#include <math.h>
31#include <stdlib.h>
32
33int
34main(void)
35{
36
37	assert(fpclassify((float)0) == FP_ZERO);
38	assert(fpclassify((float)-0) == FP_ZERO);
39	assert(fpclassify((float)1) == FP_NORMAL);
40	assert(fpclassify((float)1000) == FP_NORMAL);
41#ifndef __alpha__
42	assert(fpclassify(0x1.2p-150f) == FP_SUBNORMAL);
43#endif
44	assert(fpclassify(HUGE_VALF) == FP_INFINITE);
45	assert(fpclassify(NAN) == FP_NAN);
46
47	assert(fpclassify((double)0) == FP_ZERO);
48	assert(fpclassify((double)-0) == FP_ZERO);
49	assert(fpclassify((double)1) == FP_NORMAL);
50	assert(fpclassify((double)1000) == FP_NORMAL);
51#ifndef __alpha__
52	assert(fpclassify(0x1.2p-1075) == FP_SUBNORMAL);
53#endif
54	assert(fpclassify(HUGE_VAL) == FP_INFINITE);
55	assert(fpclassify((double)NAN) == FP_NAN);
56
57	assert(fpclassify((long double)0) == FP_ZERO);
58	assert(fpclassify((long double)-0) == FP_ZERO);
59	assert(fpclassify((long double)1) == FP_NORMAL);
60	assert(fpclassify((long double)1000) == FP_NORMAL);
61#ifndef __alpha__
62	assert(fpclassify(0x1.2p-16383L) == FP_SUBNORMAL);
63#endif
64	assert(fpclassify(HUGE_VALL) == FP_INFINITE);
65	assert(fpclassify((long double)NAN) == FP_NAN);
66
67	printf("PASS fpclassify()\n");
68	exit(0);
69}
70