projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| d9560fca | 1 | /* Store current floating-point environment and clear exceptions. |
| 04277e02 | 2 | Copyright (C) 2000-2019 Free Software Foundation, Inc. |
| d9560fca AJ |
3 | This file is part of the GNU C Library. |
| 4 | Contributed by Andreas Jaeger <aj@suse.de>, 2000. | |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 3214b89b 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. | |
| d9560fca 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 | |
| 3214b89b | 14 | Lesser General Public License for more details. |
| d9560fca | 15 | |
| 3214b89b | 16 | You should have received a copy of the GNU Lesser General Public |
| ab84e3ff PE |
17 | License along with the GNU C Library. If not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| d9560fca AJ |
19 | |
| 20 | #include <fenv.h> | |
| 21 | #include <fpu_control.h> | |
| 22 | ||
| 23 | int | |
| ef9faf13 | 24 | __feholdexcept (fenv_t *envp) |
| d9560fca AJ |
25 | { |
| 26 | fpu_control_t cw; | |
| 27 | ||
| 28 | /* Save the current state. */ | |
| 29 | _FPU_GETCW (cw); | |
| 30 | envp->__fp_control_register = cw; | |
| 31 | ||
| 32 | /* Clear all exception enable bits and flags. */ | |
| 33 | cw &= ~(_FPU_MASK_V|_FPU_MASK_Z|_FPU_MASK_O|_FPU_MASK_U|_FPU_MASK_I|FE_ALL_EXCEPT); | |
| 34 | _FPU_SETCW (cw); | |
| 35 | ||
| 36 | return 0; | |
| 37 | } | |
| 37896d39 | 38 | |
| ef9faf13 JM |
39 | libm_hidden_def (__feholdexcept) |
| 40 | weak_alias (__feholdexcept, feholdexcept) | |
| 41 | libm_hidden_weak (feholdexcept) |