xref: /freebsd/contrib/netbsd-tests/lib/libm/t_fmod.c (revision 3fc36ee018bb836bd1796067cf4ef8683f166ebc)
1 /* $NetBSD: t_fmod.c,v 1.3 2015/01/03 14:23:53 gson Exp $ */
2 
3 /*-
4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Joerg Sonnenberger.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <atf-c.h>
33 #include <float.h>
34 #include <math.h>
35 
36 #include "isqemu.h"
37 
38 ATF_TC(fmod);
39 ATF_TC_HEAD(fmod, tc)
40 {
41 	atf_tc_set_md_var(tc, "descr","Check fmod family");
42 }
43 
44 ATF_TC_BODY(fmod, tc)
45 {
46 #ifdef __NetBSD__
47 	if (isQEMU())
48 		atf_tc_expect_fail("PR misc/44767");
49 #endif
50 
51 	ATF_CHECK(fmodf(2.0, 1.0) == 0);
52 	ATF_CHECK(fmod(2.0, 1.0) == 0);
53 #if !defined(__FreeBSD__) || LDBL_PREC != 53
54 	ATF_CHECK(fmodl(2.0, 1.0) == 0);
55 #endif
56 
57 	ATF_CHECK(fmodf(2.0, 0.5) == 0);
58 	ATF_CHECK(fmod(2.0, 0.5) == 0);
59 #if !defined(__FreeBSD__) || LDBL_PREC != 53
60 	ATF_CHECK(fmodl(2.0, 0.5) == 0);
61 #endif
62 
63 	ATF_CHECK(fabsf(fmodf(1.0, 0.1) - 0.1f) <= 55 * FLT_EPSILON);
64 	ATF_CHECK(fabs(fmod(1.0, 0.1) - 0.1) <= 55 * DBL_EPSILON);
65 #if !defined(__FreeBSD__) || LDBL_PREC != 53
66 	ATF_CHECK(fabsl(fmodl(1.0, 0.1L) - 0.1L) <= 55 * LDBL_EPSILON);
67 #endif
68 }
69 
70 ATF_TP_ADD_TCS(tp)
71 {
72 
73 	ATF_TP_ADD_TC(tp, fmod);
74 
75 	return atf_no_error();
76 }
77