xref: /freebsd/lib/libc/tests/gen/fpclassify2_test.c (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
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  * $FreeBSD$
27  */
28 
29 #include <math.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <atf-c.h>
33 
34 ATF_TC_WITHOUT_HEAD(test_fpclassify);
35 ATF_TC_BODY(test_fpclassify, tc)
36 {
37 
38 	ATF_CHECK(fpclassify((float)0) == FP_ZERO);
39 	ATF_CHECK(fpclassify((float)-0.0) == FP_ZERO);
40 	ATF_CHECK(fpclassify((float)1) == FP_NORMAL);
41 	ATF_CHECK(fpclassify((float)1000) == FP_NORMAL);
42 	ATF_CHECK(fpclassify(HUGE_VALF) == FP_INFINITE);
43 	ATF_CHECK(fpclassify((float)HUGE_VAL) == FP_INFINITE);
44 	ATF_CHECK(fpclassify((float)HUGE_VALL) == FP_INFINITE);
45 	ATF_CHECK(fpclassify(NAN) == FP_NAN);
46 
47 	ATF_CHECK(fpclassify((double)0) == FP_ZERO);
48 	ATF_CHECK(fpclassify((double)-0) == FP_ZERO);
49 	ATF_CHECK(fpclassify((double)1) == FP_NORMAL);
50 	ATF_CHECK(fpclassify((double)1000) == FP_NORMAL);
51 	ATF_CHECK(fpclassify(HUGE_VAL) == FP_INFINITE);
52 	ATF_CHECK(fpclassify((double)HUGE_VALF) == FP_INFINITE);
53 	ATF_CHECK(fpclassify((double)HUGE_VALL) == FP_INFINITE);
54 	ATF_CHECK(fpclassify((double)NAN) == FP_NAN);
55 
56 	ATF_CHECK(fpclassify((long double)0) == FP_ZERO);
57 	ATF_CHECK(fpclassify((long double)-0.0) == FP_ZERO);
58 	ATF_CHECK(fpclassify((long double)1) == FP_NORMAL);
59 	ATF_CHECK(fpclassify((long double)1000) == FP_NORMAL);
60 	ATF_CHECK(fpclassify(HUGE_VALL) == FP_INFINITE);
61 	ATF_CHECK(fpclassify((long double)HUGE_VALF) == FP_INFINITE);
62 	ATF_CHECK(fpclassify((long double)HUGE_VAL) == FP_INFINITE);
63 	ATF_CHECK(fpclassify((long double)NAN) == FP_NAN);
64 }
65 
66 ATF_TP_ADD_TCS(tp)
67 {
68 
69 	ATF_TP_ADD_TC(tp, test_fpclassify);
70 
71 	return (atf_no_error());
72 }
73