/* Enable floating-point exceptions.   Copyright (C) 2000 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>intfeenableexcept (int excepts){  fexcept_t temp, old_exc, new_flags;  _FPU_GETCW (temp);  old_exc = (temp & FPC_EXCEPTION_MASK) >> FPC_EXCEPTION_MASK_SHIFT;  new_flags = (temp | ((excepts & FE_ALL_EXCEPT) <<  FPC_EXCEPTION_MASK_SHIFT));  _FPU_SETCW (new_flags);  return old_exc;}