Mercurial > gnulib
annotate lib/copysignf.c @ 40057:b06060465f09
maint: Run 'make update-copyright'
author | Paul Eggert <eggert@cs.ucla.edu> |
---|---|
date | Tue, 01 Jan 2019 00:25:11 +0100 |
parents | 10eb9086bea0 |
children |
rev | line source |
---|---|
15911 | 1 /* Copy sign into another 'float' number. |
40057
b06060465f09
maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
parents:
19484
diff
changeset
|
2 Copyright (C) 2011-2019 Free Software Foundation, Inc. |
15911 | 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 | |
19190 | 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
15911 | 16 |
17 #include <config.h> | |
18 | |
19 /* Specification. */ | |
20 #include <math.h> | |
21 | |
22 float | |
23 copysignf (float x, float y) | |
24 { | |
25 return (signbit (x) != signbit (y) ? - x : x); | |
26 } |