projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 3846ef75 | 1 | /* Store current floating-point environment and clear exceptions. |
| 21a2b1ae AS |
2 | Copyright (C) 1997, 1998, 1999, 2000, 2005, 2010 |
| 3 | Free Software Foundation, Inc. | |
| 3846ef75 UD |
4 | This file is part of the GNU C Library. |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 3846ef75 UD |
10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 14 | Lesser General Public License for more details. |
| 3846ef75 | 15 | |
| 41bdb6e2 AJ |
16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library; if not, write to the Free | |
| 18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
| 19 | 02111-1307 USA. */ | |
| 3846ef75 UD |
20 | |
| 21 | #include <fenv.h> | |
| 22 | #include <fpu_control.h> | |
| 23 | ||
| 24 | int | |
| 25 | feholdexcept (fenv_t *envp) | |
| 26 | { | |
| 27 | unsigned long int temp; | |
| 28 | ||
| 29 | /* Store the environment. */ | |
| 30 | _FPU_GETCW (temp); | |
| 31 | envp->__fpscr = temp; | |
| 32 | ||
| 21a2b1ae | 33 | /* Clear the status flags. */ |
| 3846ef75 | 34 | temp &= ~FE_ALL_EXCEPT; |
| 21a2b1ae AS |
35 | |
| 36 | /* Now set all exceptions to non-stop. */ | |
| 37 | temp &= ~(FE_ALL_EXCEPT << 5); | |
| 38 | ||
| 3846ef75 UD |
39 | _FPU_SETCW (temp); |
| 40 | ||
| 21a2b1ae AS |
41 | /* Success. */ |
| 42 | return 0; | |
| 3846ef75 | 43 | } |
| 9b8a7277 | 44 | libm_hidden_def (feholdexcept) |