projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 3c8325fb | 1 | /* Set current rounding direction. e500 version. |
| bfff8b1b | 2 | Copyright (C) 2004-2017 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 | |
| 01238691 | 22 | __fesetround (int round) |
| 3c8325fb JM |
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 | } | |
| 01238691 JM |
35 | libm_hidden_def (__fesetround) |
| 36 | weak_alias (__fesetround, fesetround) | |
| 37 | libm_hidden_weak (fesetround) |