projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 3846ef75 | 1 | /* Store current floating-point environment and clear exceptions. |
| b168057a | 2 | Copyright (C) 1997-2015 Free Software Foundation, Inc. |
| 3846ef75 UD |
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 | |
| 41bdb6e2 AJ |
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. | |
| 3846ef75 UD |
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 | |
| 41bdb6e2 | 13 | Lesser General Public License for more details. |
| 3846ef75 | 14 | |
| 41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| 3846ef75 UD |
18 | |
| 19 | #include <fenv.h> | |
| 20 | #include <fpu_control.h> | |
| 21 | ||
| 22 | int | |
| 23 | feholdexcept (fenv_t *envp) | |
| 24 | { | |
| 04fb54b5 | 25 | fpu_control_t temp; |
| 3846ef75 UD |
26 | |
| 27 | /* Store the environment. */ | |
| 28 | _FPU_GETCW (temp); | |
| 29 | envp->__fpscr = temp; | |
| 30 | ||
| 21a2b1ae | 31 | /* Clear the status flags. */ |
| 3846ef75 | 32 | temp &= ~FE_ALL_EXCEPT; |
| 21a2b1ae AS |
33 | |
| 34 | /* Now set all exceptions to non-stop. */ | |
| 35 | temp &= ~(FE_ALL_EXCEPT << 5); | |
| 36 | ||
| 3846ef75 UD |
37 | _FPU_SETCW (temp); |
| 38 | ||
| 21a2b1ae AS |
39 | /* Success. */ |
| 40 | return 0; | |
| 3846ef75 | 41 | } |
| 9b8a7277 | 42 | libm_hidden_def (feholdexcept) |