]>
Commit | Line | Data |
---|---|---|
3c8325fb | 1 | /* Set current rounding direction. e500 version. |
b168057a | 2 | Copyright (C) 2004-2015 Free Software Foundation, Inc. |
3c8325fb JM |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <fenv_libc.h> | |
20 | ||
21 | int | |
22 | fesetround (int round) | |
23 | { | |
24 | unsigned long fpescr; | |
25 | ||
26 | if ((unsigned int) round > 3) | |
27 | return 1; | |
28 | ||
29 | fpescr = fegetenv_register (); | |
30 | fpescr = (fpescr & ~SPEFSCR_FRMC) | (round & 3); | |
31 | fesetenv_register (fpescr); | |
32 | ||
33 | return 0; | |
34 | } | |
35 | libm_hidden_def (fesetround) |