| /* Store current floating-point environment and clear exceptions. |
| Copyright (C) 1997-2014 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 |
| feholdexcept (fenv_t *envp) |
| { |
| fpu_control_t temp; |
| |
| /* Store the environment. */ |
| _FPU_GETCW (temp); |
| envp->__fpscr = temp; |
| |
| /* Clear the status flags. */ |
| temp &= ~FE_ALL_EXCEPT; |
| |
| /* Now set all exceptions to non-stop. */ |
| temp &= ~(FE_ALL_EXCEPT << 5); |
| |
| _FPU_SETCW (temp); |
| |
| /* Success. */ |
| return 0; |
| } |
| libm_hidden_def (feholdexcept) |
