mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 03:10:05 +00:00
3519948b95
1998-05-24 Ulrich Drepper <drepper@cygnus.com> * version.h: Bump VERSION. * csu/Makefile (distribute): Add munch-tmpl.c.
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* Set floating-point environment exception handling.
|
|
Copyright (C) 1997, 1998 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <fenv.h>
|
|
#include <math.h>
|
|
#include <fpu_control.h>
|
|
|
|
void
|
|
fesetexceptflag (const fexcept_t *flagp, int excepts)
|
|
{
|
|
fexcept_t temp;
|
|
|
|
/* Get the current environment. */
|
|
_FPU_GETCW(temp);
|
|
|
|
/* Set the desired exception mask. */
|
|
temp &= ~((excepts & FE_ALL_EXCEPT) << FE_EXCEPT_SHIFT);
|
|
temp |= (*flagp & excepts & FE_ALL_EXCEPT) << FE_EXCEPT_SHIFT;
|
|
|
|
/* Save state back to the FPU. */
|
|
_FPU_SETCW(temp);
|
|
}
|