1 /* $OpenBSD: fpclassify.c,v 1.1 2008/09/07 20:36:10 martynas Exp $ */
2 /*-
3 * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: src/tools/regression/lib/libc/gen/test-fpclassify.c,v 1.3 2003/03/27 05:32:28 das Exp $
28 */
29
30 #include <assert.h>
31 #include <float.h>
32 #include <math.h>
33 #include <stdlib.h>
34
35 int
main(void)36 main(void)
37 {
38
39 assert(fpclassify((float)0) == FP_ZERO);
40 assert(fpclassify((float)-0.0) == FP_ZERO);
41 assert(fpclassify((float)1) == FP_NORMAL);
42 assert(fpclassify((float)1000) == FP_NORMAL);
43 #ifndef __alpha__
44 assert(fpclassify(0x1.2p-150f) == FP_SUBNORMAL);
45 #endif /* !__alpha__ */
46 assert(fpclassify(HUGE_VALF) == FP_INFINITE);
47 assert(fpclassify((float)HUGE_VAL) == FP_INFINITE);
48 assert(fpclassify((float)HUGE_VALL) == FP_INFINITE);
49 assert(fpclassify(NAN) == FP_NAN);
50
51 assert(fpclassify((double)0) == FP_ZERO);
52 assert(fpclassify((double)-0) == FP_ZERO);
53 assert(fpclassify((double)1) == FP_NORMAL);
54 assert(fpclassify((double)1000) == FP_NORMAL);
55 #ifndef __alpha__
56 assert(fpclassify(0x1.2p-1075) == FP_SUBNORMAL);
57 #endif /* !__alpha__ */
58 assert(fpclassify(HUGE_VAL) == FP_INFINITE);
59 assert(fpclassify((double)HUGE_VALF) == FP_INFINITE);
60 assert(fpclassify((double)HUGE_VALL) == FP_INFINITE);
61 assert(fpclassify((double)NAN) == FP_NAN);
62
63 assert(fpclassify((long double)0) == FP_ZERO);
64 assert(fpclassify((long double)-0.0) == FP_ZERO);
65 assert(fpclassify((long double)1) == FP_NORMAL);
66 assert(fpclassify((long double)1000) == FP_NORMAL);
67 #if (LDBL_MANT_DIG > DBL_MANT_DIG)
68 assert(fpclassify(0x1.2p-16383L) == FP_SUBNORMAL);
69 #endif /* (LDBL_MANT_DIG > DBL_MANT_DIG) */
70 assert(fpclassify(HUGE_VALL) == FP_INFINITE);
71 assert(fpclassify((long double)HUGE_VALF) == FP_INFINITE);
72 assert(fpclassify((long double)HUGE_VAL) == FP_INFINITE);
73 assert(fpclassify((long double)NAN) == FP_NAN);
74
75 return (0);
76 }
77