| /* Raise given exceptions. |
| Copyright (C) 2000-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Andreas Jaeger <aj@suse.de>, 2000. |
| |
| 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 <fenv_libc.h> |
| #include <fpu_control.h> |
| |
| int |
| feraiseexcept (int excepts) |
| { |
| fpu_control_t cw; |
| |
| /* Get current state. */ |
| _FPU_GETCW (cw); |
| |
| /* Set flag bits (which are accumulative), and *also* set the |
| cause bits. The setting of the cause bits is what actually causes |
| the hardware to generate the exception, if the corresponding enable |
| bit is set as well. */ |
| |
| excepts &= FE_ALL_EXCEPT; |
| cw |= excepts | (excepts << CAUSE_SHIFT); |
| |
| /* Set new state. */ |
| _FPU_SETCW (cw); |
| |
| return 0; |
| } |
| |
| libm_hidden_def (feraiseexcept) |
