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: stable/9/tools/regression/lib/libc/gen/test-fpclassify.c 112698 2003-03-27 05:32:28Z das $
27  */
28 
29 #include <assert.h>
30 #include <math.h>
31 #include <stdlib.h>
32 
33 int
main(void)34 main(void)
35 {
36 
37 	assert(fpclassify((float)0) == FP_ZERO);
38 	assert(fpclassify((float)-0.0) == 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((float)HUGE_VAL) == FP_INFINITE);
46 	assert(fpclassify((float)HUGE_VALL) == FP_INFINITE);
47 	assert(fpclassify(NAN) == FP_NAN);
48 
49 	assert(fpclassify((double)0) == FP_ZERO);
50 	assert(fpclassify((double)-0) == FP_ZERO);
51 	assert(fpclassify((double)1) == FP_NORMAL);
52 	assert(fpclassify((double)1000) == FP_NORMAL);
53 #ifndef __alpha__
54 	assert(fpclassify(0x1.2p-1075) == FP_SUBNORMAL);
55 #endif
56 	assert(fpclassify(HUGE_VAL) == FP_INFINITE);
57 	assert(fpclassify((double)HUGE_VALF) == FP_INFINITE);
58 	assert(fpclassify((double)HUGE_VALL) == FP_INFINITE);
59 	assert(fpclassify((double)NAN) == FP_NAN);
60 
61 	assert(fpclassify((long double)0) == FP_ZERO);
62 	assert(fpclassify((long double)-0.0) == FP_ZERO);
63 	assert(fpclassify((long double)1) == FP_NORMAL);
64 	assert(fpclassify((long double)1000) == FP_NORMAL);
65 #ifndef __alpha__
66 	assert(fpclassify(0x1.2p-16383L) == FP_SUBNORMAL);
67 #endif
68 	assert(fpclassify(HUGE_VALL) == FP_INFINITE);
69 	assert(fpclassify((long double)HUGE_VALF) == FP_INFINITE);
70 	assert(fpclassify((long double)HUGE_VAL) == FP_INFINITE);
71 	assert(fpclassify((long double)NAN) == FP_NAN);
72 
73 	printf("PASS fpclassify()\n");
74 	exit(0);
75 }
76