1 /* $NetBSD: t_ilogb.c,v 1.7 2017/01/13 19:23:40 christos Exp $ */
4 * Copyright (c) 2016 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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.
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_ilogb.c,v 1.7 2017/01/13 19:23:40 christos Exp $");
41 # define ATF_CHECK_RAISED_INVALID
42 # define ATF_CHECK_RAISED_NOTHING
45 # define ATF_CHECK_RAISED_INVALID do { \
46 int r = fetestexcept(FE_ALL_EXCEPT); \
47 ATF_CHECK_MSG(r == FE_INVALID, "r=%#x != %#x\n", r, FE_INVALID); \
48 (void)feclearexcept(FE_ALL_EXCEPT); \
49 } while (/*CONSTCOND*/0)
51 # define ATF_CHECK_RAISED_NOTHING do { \
52 int r = fetestexcept(FE_ALL_EXCEPT); \
53 ATF_CHECK_MSG(r == 0, "r=%#x != 0\n", r); \
54 (void)feclearexcept(FE_ALL_EXCEPT); \
55 } while (/*CONSTCOND*/0)
59 ATF_TC_HEAD(ilogb, tc)
61 atf_tc_set_md_var(tc, "descr","Check ilogb family");
64 ATF_TC_BODY(ilogb, tc)
67 ATF_CHECK(ilogbf(0) == FP_ILOGB0);
68 ATF_CHECK_RAISED_INVALID;
69 ATF_CHECK(ilogb(0) == FP_ILOGB0);
70 ATF_CHECK_RAISED_INVALID;
71 #ifdef __HAVE_LONG_DOUBLE
72 ATF_CHECK(ilogbl(0) == FP_ILOGB0);
73 ATF_CHECK_RAISED_INVALID;
76 ATF_CHECK(ilogbf(-0) == FP_ILOGB0);
77 ATF_CHECK_RAISED_INVALID;
78 ATF_CHECK(ilogb(-0) == FP_ILOGB0);
79 ATF_CHECK_RAISED_INVALID;
80 #ifdef __HAVE_LONG_DOUBLE
81 ATF_CHECK(ilogbl(-0) == FP_ILOGB0);
82 ATF_CHECK_RAISED_INVALID;
85 ATF_CHECK(ilogbf(INFINITY) == INT_MAX);
86 ATF_CHECK_RAISED_INVALID;
87 ATF_CHECK(ilogb(INFINITY) == INT_MAX);
88 ATF_CHECK_RAISED_INVALID;
89 #ifdef __HAVE_LONG_DOUBLE
90 ATF_CHECK(ilogbl(INFINITY) == INT_MAX);
91 ATF_CHECK_RAISED_INVALID;
94 ATF_CHECK(ilogbf(-INFINITY) == INT_MAX);
95 ATF_CHECK_RAISED_INVALID;
96 ATF_CHECK(ilogb(-INFINITY) == INT_MAX);
97 ATF_CHECK_RAISED_INVALID;
98 #ifdef __HAVE_LONG_DOUBLE
99 ATF_CHECK(ilogbl(-INFINITY) == INT_MAX);
100 ATF_CHECK_RAISED_INVALID;
103 ATF_CHECK(ilogbf(1024) == 10);
104 ATF_CHECK_RAISED_NOTHING;
105 ATF_CHECK(ilogb(1024) == 10);
106 ATF_CHECK_RAISED_NOTHING;
107 #ifdef __HAVE_LONG_DOUBLE
108 ATF_CHECK(ilogbl(1024) == 10);
109 ATF_CHECK_RAISED_NOTHING;
113 ATF_CHECK(ilogbf(NAN) == FP_ILOGBNAN);
114 ATF_CHECK_RAISED_INVALID;
115 ATF_CHECK(ilogb(NAN) == FP_ILOGBNAN);
116 ATF_CHECK_RAISED_INVALID;
117 #ifdef __HAVE_LONG_DOUBLE
118 ATF_CHECK(ilogbl(NAN) == FP_ILOGBNAN);
119 ATF_CHECK_RAISED_INVALID;
127 ATF_TP_ADD_TC(tp, ilogb);
129 return atf_no_error();