projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 3c8325fb | 1 | /* Clear given exceptions in current floating-point environment. e500 version. |
| b168057a | 2 | Copyright (C) 2004-2015 Free Software Foundation, Inc. |
| 3c8325fb JM |
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_libc.h> | |
| 20 | ||
| 21 | #undef feclearexcept | |
| 22 | int | |
| 23 | __feclearexcept (int excepts) | |
| 24 | { | |
| 25 | unsigned int fpescr; | |
| 26 | int excepts_spe = __fexcepts_to_spe (excepts); | |
| 27 | ||
| 28 | /* Get the current state. */ | |
| 29 | fpescr = fegetenv_register (); | |
| 30 | ||
| 31 | /* Clear the relevant bits. */ | |
| 32 | fpescr &= ~excepts_spe; | |
| 33 | ||
| 34 | /* Put the new state in effect. */ | |
| 35 | fesetenv_register (fpescr); | |
| 36 | ||
| 37 | /* Let the kernel know if the "invalid" or "underflow" bit was | |
| 38 | cleared. */ | |
| 39 | if (excepts & (FE_INVALID | FE_UNDERFLOW)) | |
| 40 | __fe_note_change (); | |
| 41 | ||
| 42 | /* Success. */ | |
| 43 | return 0; | |
| 44 | } | |
| 45 | ||
| 46 | #include <shlib-compat.h> | |
| 47 | #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) | |
| 48 | strong_alias (__feclearexcept, __old_feclearexcept) | |
| 49 | compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1); | |
| 50 | #endif | |
| 51 | ||
| 52 | libm_hidden_ver (__feclearexcept, feclearexcept) | |
| 53 | versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2); |