t_fmod.c revision 272343 
1/* $NetBSD: t_fmod.c,v 1.2 2014/02/27 17:26:02 joerg 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
36ATF_TC(fmod);
37ATF_TC_HEAD(fmod, tc)
38{
39	atf_tc_set_md_var(tc, "descr","Check fmod family");
40}
41
42ATF_TC_BODY(fmod, tc)
43{
44	ATF_CHECK(fmodf(2.0, 1.0) == 0);
45	ATF_CHECK(fmod(2.0, 1.0) == 0);
46	ATF_CHECK(fmodl(2.0, 1.0) == 0);
47
48	ATF_CHECK(fmodf(2.0, 0.5) == 0);
49	ATF_CHECK(fmod(2.0, 0.5) == 0);
50	ATF_CHECK(fmodl(2.0, 0.5) == 0);
51
52	ATF_CHECK(fabsf(fmodf(1.0, 0.1) - 0.1f) <= 55 * FLT_EPSILON);
53	ATF_CHECK(fabs(fmod(1.0, 0.1) - 0.1) <= 55 * DBL_EPSILON);
54	ATF_CHECK(fabsl(fmodl(1.0, 0.1L) - 0.1L) <= 55 * LDBL_EPSILON);
55}
56
57ATF_TP_ADD_TCS(tp)
58{
59
60	ATF_TP_ADD_TC(tp, fmod);
61
62	return atf_no_error();
63}
64