| /* Copyright (C) 2001-2014 Free Software Foundation, Inc. |
| |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public License as |
| published by the Free Software Foundation; either version 2.1 of the |
| License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <fenv.h> |
| #include <fpu_control.h> |
| |
| int |
| feenableexcept (int excepts) |
| { |
| fpu_control_t fpcr; |
| int original_excepts; |
| |
| _FPU_GETCW (fpcr); |
| |
| original_excepts = (fpcr >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT; |
| |
| excepts &= FE_ALL_EXCEPT; |
| |
| fpcr |= (excepts << FE_EXCEPT_SHIFT); |
| |
| _FPU_SETCW (fpcr); |
| |
| return original_excepts; |
| } |
