projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 528be9fe | 1 | /* Store current floating-point environment and clear exceptions. |
| d4697bc9 | 2 | Copyright (C) 2000-2014 Free Software Foundation, Inc. |
| 528be9fe AJ |
3 | This file is part of the GNU C Library. |
| 4 | Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com). | |
| 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. | |
| 528be9fe AJ |
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. |
| 528be9fe | 15 | |
| 41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 528be9fe AJ |
19 | |
| 20 | #include <fenv_libc.h> | |
| 21 | #include <fpu_control.h> | |
| 22 | ||
| 23 | int feholdexcept (fenv_t *envp) | |
| 24 | { | |
| cf6b0980 | 25 | fexcept_t fpc; |
| 528be9fe AJ |
26 | /* Store the environment. */ |
| 27 | fegetenv (envp); | |
| 28 | /* Clear the current sticky bits as more than one exception | |
| 29 | may be generated. */ | |
| 99252c8c | 30 | fpc = envp->__fpc & ~(FPC_FLAGS_MASK | FPC_DXC_MASK); |
| 528be9fe | 31 | /* Hold from generating fpu exceptions temporarily. */ |
| cf6b0980 | 32 | _FPU_SETCW ((fpc & ~(FE_ALL_EXCEPT << FPC_EXCEPTION_MASK_SHIFT))); |
| 528be9fe AJ |
33 | return 0; |
| 34 | } | |
| 9b8a7277 | 35 | libm_hidden_def (feholdexcept) |