/* Set floating-point environment exception handling.   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 <math.h>#include <fpu_control.h>intfesetexceptflag (const fexcept_t *flagp, int excepts){  fexcept_t temp,newexcepts;  /* Get the current environment.  We have to do this since we cannot     separately set the status word.  */  _FPU_GETCW (temp);  /* Install the new exception bits in the Accrued Exception Byte.  */  excepts = excepts & FE_ALL_EXCEPT;  newexcepts = (excepts << FPC_DXC_SHIFT) | (excepts << FPC_FLAGS_SHIFT);  temp &= ~newexcepts;  temp |= *flagp & newexcepts;  /* Store the new status word (along with the rest of the environment.     Possibly new exceptions are set but they won't get executed unless     the next floating-point instruction.  */  _FPU_SETCW (temp);  /* Success.  */  return 0;}