| /* Store current floating-point environment and clear exceptions. |
| Copyright (C) 2000, 2005, 2007 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com). |
| |
| 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <fenv_libc.h> |
| #include <fpu_control.h> |
| |
| int feholdexcept (fenv_t *envp) |
| { |
| fexcept_t fpc; |
| /* Store the environment. */ |
| fegetenv (envp); |
| /* Clear the current sticky bits as more than one exception |
| may be generated. */ |
| fpc = envp->fpc & ~(FPC_FLAGS_MASK | FPC_DXC_MASK); |
| /* Hold from generating fpu exceptions temporarily. */ |
| _FPU_SETCW ((fpc & ~(FE_ALL_EXCEPT << FPC_EXCEPTION_MASK_SHIFT))); |
| return 0; |
| } |
| libm_hidden_def (feholdexcept) |
