| xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* Install given floating-point environment and raise exceptions. |
| 2 | Copyright (C) 1997-2016 Free Software Foundation, Inc. |
| 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 |
| 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. |
| 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 |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <fenv.h> |
| 20 | #include <shlib-compat.h> |
| 21 | |
| 22 | int |
| 23 | __feupdateenv (const fenv_t *envp) |
| 24 | { |
| 25 | fexcept_t tmp; |
| 26 | |
| 27 | /* Save current exceptions. */ |
| 28 | __fenv_stfsr (tmp); |
| 29 | tmp &= FE_ALL_EXCEPT; |
| 30 | |
| 31 | /* Install new environment. */ |
| 32 | __fesetenv (envp); |
| 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. */ |
| 37 | __feraiseexcept ((int) tmp); |
| 38 | |
| 39 | /* Success. */ |
| 40 | return 0; |
| 41 | } |
| 42 | |
| 43 | #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) |
| 44 | strong_alias (__feupdateenv, __old_feupdateenv) |
| 45 | compat_symbol (libm, __old_feupdateenv, feupdateenv, GLIBC_2_1); |
| 46 | #endif |
| 47 | |
| 48 | libm_hidden_def (__feupdateenv) |
| 49 | libm_hidden_ver (__feupdateenv, feupdateenv) |
| 50 | versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2); |