]>
Commit | Line | Data |
---|---|---|
ca34d7a7 | 1 | /* Install given floating-point environment and raise exceptions. |
d614a753 | 2 | Copyright (C) 1997-2020 Free Software Foundation, Inc. |
fd26970f 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. | |
fd26970f 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. |
fd26970f | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
fd26970f | 18 | |
ca34d7a7 | 19 | #include <fenv.h> |
1a6d7967 | 20 | #include <shlib-compat.h> |
fd26970f | 21 | |
63ae7b63 UD |
22 | int |
23 | __feupdateenv (const fenv_t *envp) | |
fd26970f | 24 | { |
ca34d7a7 UD |
25 | fexcept_t tmp; |
26 | ||
27 | /* Save current exceptions. */ | |
28 | __fenv_stfsr (tmp); | |
29 | tmp &= FE_ALL_EXCEPT; | |
30 | ||
31 | /* Install new environment. */ | |
cd42798a | 32 | __fesetenv (envp); |
ca34d7a7 UD |
33 | |
34 | /* Raise the safed exception. Incidently for us the implementation | |
35 | defined format of the values in objects of type fexcept_t is the | |
36 | same as the ones specified using the FE_* constants. */ | |
0747f818 | 37 | __feraiseexcept ((int) tmp); |
63ae7b63 UD |
38 | |
39 | /* Success. */ | |
40 | return 0; | |
fd26970f | 41 | } |
1a6d7967 UD |
42 | |
43 | #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) | |
63ae7b63 | 44 | strong_alias (__feupdateenv, __old_feupdateenv) |
1a6d7967 UD |
45 | compat_symbol (libm, __old_feupdateenv, feupdateenv, GLIBC_2_1); |
46 | #endif | |
47 | ||
8116321f | 48 | libm_hidden_def (__feupdateenv) |
9ff8d36f | 49 | libm_hidden_ver (__feupdateenv, feupdateenv) |
1a6d7967 | 50 | versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2); |