Mercurial > gnulib
annotate tests/test-fmod-ieee.h @ 17363:5a51fb7777a9
sys_select, sys_time: port 2013-01-30 Solaris 2.6 fix to Cygwin
Problem reported by Marco Atzeri in
<http://lists.gnu.org/archive/html/bug-gnulib/2013-03/msg00000.html>.
* lib/sys_select.in.h [HAVE_SYS_SELECT_H && _CYGWIN_SYS_TIME_H]:
Simply delegate to the system <sys/select.h> in this case too.
Also, pay attention to _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H only
if OSF/1, since otherwise Cygwin breaks, and it doesn't seem to
be needed on Solaris either.
* lib/sys_time.in.h [_CYGWIN_SYS_TIME_H]:
Simply delgate to the system <sys/time.h> in this case.
author | Paul Eggert <eggert@cs.ucla.edu> |
---|---|
date | Tue, 19 Mar 2013 09:08:47 -0700 |
parents | e542fd46ad6f |
children | 344018b6e5d7 |
rev | line source |
---|---|
16480 | 1 /* Test of fmod*() function family. |
17249
e542fd46ad6f
maint: update all copyright year number ranges
Eric Blake <eblake@redhat.com>
parents:
16480
diff
changeset
|
2 Copyright (C) 2012-2013 Free Software Foundation, Inc. |
16480 | 3 |
4 This program is free software: you can redistribute it and/or modify | |
5 it under the terms of the GNU General Public License as published by | |
6 the Free Software Foundation; either version 3 of the License, or | |
7 (at your option) any later version. | |
8 | |
9 This program is distributed in the hope that it will be useful, | |
10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 GNU General Public License for more details. | |
13 | |
14 You should have received a copy of the GNU General Public License | |
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
16 | |
17 static void | |
18 test_function (void) | |
19 { | |
20 /* [MX] shaded specification in POSIX. */ | |
21 | |
22 /* NaN. */ | |
23 ASSERT (ISNAN (FMOD (NAN, L_(2.0)))); | |
24 ASSERT (ISNAN (FMOD (NAN, L_(0.0)))); | |
25 ASSERT (ISNAN (FMOD (L_(2.0), NAN))); | |
26 ASSERT (ISNAN (FMOD (L_(0.0), NAN))); | |
27 ASSERT (ISNAN (FMOD (NAN, NAN))); | |
28 | |
29 /* y is zero. */ | |
30 ASSERT (ISNAN (FMOD (L_(2.0), L_(0.0)))); | |
31 ASSERT (ISNAN (FMOD (L_(2.0), MINUS_ZERO))); | |
32 ASSERT (ISNAN (FMOD (INFINITY, L_(0.0)))); | |
33 ASSERT (ISNAN (FMOD (INFINITY, MINUS_ZERO))); | |
34 | |
35 /* x is infinite. */ | |
36 ASSERT (ISNAN (FMOD (INFINITY, L_(2.0)))); | |
37 ASSERT (ISNAN (FMOD (INFINITY, - L_(2.0)))); | |
38 | |
39 /* x is zero. */ | |
40 { | |
41 DOUBLE z = FMOD (L_(0.0), L_(2.0)); | |
42 ASSERT (z == L_(0.0)); | |
43 ASSERT (!signbit (z)); | |
44 } | |
45 { | |
46 DOUBLE z = FMOD (MINUS_ZERO, L_(2.0)); | |
47 ASSERT (z == L_(0.0)); | |
48 ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO)); | |
49 } | |
50 { | |
51 DOUBLE z = FMOD (L_(0.0), - L_(2.0)); | |
52 ASSERT (z == L_(0.0)); | |
53 ASSERT (!signbit (z)); | |
54 } | |
55 { | |
56 DOUBLE z = FMOD (MINUS_ZERO, - L_(2.0)); | |
57 ASSERT (z == L_(0.0)); | |
58 ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO)); | |
59 } | |
60 { | |
61 DOUBLE z = FMOD (L_(0.0), INFINITY); | |
62 ASSERT (z == L_(0.0)); | |
63 ASSERT (!signbit (z)); | |
64 } | |
65 { | |
66 DOUBLE z = FMOD (MINUS_ZERO, INFINITY); | |
67 ASSERT (z == L_(0.0)); | |
68 ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO)); | |
69 } | |
70 { | |
71 DOUBLE z = FMOD (L_(0.0), - INFINITY); | |
72 ASSERT (z == L_(0.0)); | |
73 ASSERT (!signbit (z)); | |
74 } | |
75 { | |
76 DOUBLE z = FMOD (MINUS_ZERO, - INFINITY); | |
77 ASSERT (z == L_(0.0)); | |
78 ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO)); | |
79 } | |
80 | |
81 /* y is infinite. */ | |
82 { | |
83 DOUBLE z = FMOD (L_(2.5), INFINITY); | |
84 ASSERT (z == L_(2.5)); | |
85 } | |
86 { | |
87 DOUBLE z = FMOD (L_(2.5), - INFINITY); | |
88 ASSERT (z == L_(2.5)); | |
89 } | |
90 { | |
91 DOUBLE z = FMOD (- L_(2.5), INFINITY); | |
92 ASSERT (z == - L_(2.5)); | |
93 } | |
94 { | |
95 DOUBLE z = FMOD (- L_(2.5), - INFINITY); | |
96 ASSERT (z == - L_(2.5)); | |
97 } | |
98 } |