1*0a6a1f1dSLionel Sambuc /* $NetBSD: t_modf.c,v 1.1 2014/06/16 12:54:43 joerg Exp $ */
2*0a6a1f1dSLionel Sambuc
3*0a6a1f1dSLionel Sambuc /*-
4*0a6a1f1dSLionel Sambuc * Copyright (c) 2014 The NetBSD Foundation, Inc.
5*0a6a1f1dSLionel Sambuc * All rights reserved.
6*0a6a1f1dSLionel Sambuc *
7*0a6a1f1dSLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation
8*0a6a1f1dSLionel Sambuc * by Joerg Sonnenberger.
9*0a6a1f1dSLionel Sambuc *
10*0a6a1f1dSLionel Sambuc * Redistribution and use in source and binary forms, with or without
11*0a6a1f1dSLionel Sambuc * modification, are permitted provided that the following conditions
12*0a6a1f1dSLionel Sambuc * are met:
13*0a6a1f1dSLionel Sambuc * 1. Redistributions of source code must retain the above copyright
14*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer.
15*0a6a1f1dSLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
16*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer in the
17*0a6a1f1dSLionel Sambuc * documentation and/or other materials provided with the distribution.
18*0a6a1f1dSLionel Sambuc *
19*0a6a1f1dSLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*0a6a1f1dSLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*0a6a1f1dSLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*0a6a1f1dSLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*0a6a1f1dSLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*0a6a1f1dSLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*0a6a1f1dSLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*0a6a1f1dSLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*0a6a1f1dSLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*0a6a1f1dSLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*0a6a1f1dSLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
30*0a6a1f1dSLionel Sambuc */
31*0a6a1f1dSLionel Sambuc
32*0a6a1f1dSLionel Sambuc #include <atf-c.h>
33*0a6a1f1dSLionel Sambuc #include <float.h>
34*0a6a1f1dSLionel Sambuc #include <math.h>
35*0a6a1f1dSLionel Sambuc
36*0a6a1f1dSLionel Sambuc ATF_TC(modf);
ATF_TC_HEAD(modf,tc)37*0a6a1f1dSLionel Sambuc ATF_TC_HEAD(modf, tc)
38*0a6a1f1dSLionel Sambuc {
39*0a6a1f1dSLionel Sambuc atf_tc_set_md_var(tc, "descr","Check modf family");
40*0a6a1f1dSLionel Sambuc }
41*0a6a1f1dSLionel Sambuc
ATF_TC_BODY(modf,tc)42*0a6a1f1dSLionel Sambuc ATF_TC_BODY(modf, tc)
43*0a6a1f1dSLionel Sambuc {
44*0a6a1f1dSLionel Sambuc float basef;
45*0a6a1f1dSLionel Sambuc double base;
46*0a6a1f1dSLionel Sambuc long double basel;
47*0a6a1f1dSLionel Sambuc ATF_CHECK(modff(1.0, &basef) == 0.0);
48*0a6a1f1dSLionel Sambuc ATF_CHECK(basef == 1.0);
49*0a6a1f1dSLionel Sambuc ATF_CHECK(modf(1.0, &base) == 0.0);
50*0a6a1f1dSLionel Sambuc ATF_CHECK(base == 1.0);
51*0a6a1f1dSLionel Sambuc ATF_CHECK(modfl(1.0, &basel) == 0.0);
52*0a6a1f1dSLionel Sambuc ATF_CHECK(basel == 1.0);
53*0a6a1f1dSLionel Sambuc
54*0a6a1f1dSLionel Sambuc ATF_CHECK(modff(-1 - FLT_EPSILON, &basef) == -FLT_EPSILON);
55*0a6a1f1dSLionel Sambuc ATF_CHECK(basef == -1.0);
56*0a6a1f1dSLionel Sambuc ATF_CHECK(modf(-1 - DBL_EPSILON, &base) == -DBL_EPSILON);
57*0a6a1f1dSLionel Sambuc ATF_CHECK(base == -1.0);
58*0a6a1f1dSLionel Sambuc ATF_CHECK(modfl(-1 - LDBL_EPSILON, &basel) == -LDBL_EPSILON);
59*0a6a1f1dSLionel Sambuc ATF_CHECK(basel == -1.0);
60*0a6a1f1dSLionel Sambuc }
61*0a6a1f1dSLionel Sambuc
ATF_TP_ADD_TCS(tp)62*0a6a1f1dSLionel Sambuc ATF_TP_ADD_TCS(tp)
63*0a6a1f1dSLionel Sambuc {
64*0a6a1f1dSLionel Sambuc
65*0a6a1f1dSLionel Sambuc ATF_TP_ADD_TC(tp, modf);
66*0a6a1f1dSLionel Sambuc
67*0a6a1f1dSLionel Sambuc return atf_no_error();
68*0a6a1f1dSLionel Sambuc }
69