mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 07:20:11 +00:00
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* Copyright (C) 1997-2017 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 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 <fpu_control.h>
|
|
|
|
int
|
|
fesetexceptflag (const fexcept_t *flagp, int excepts)
|
|
{
|
|
fpu_fpsr_t fpsr;
|
|
fpu_fpsr_t fpsr_new;
|
|
|
|
/* Get the current environment. */
|
|
_FPU_GETFPSR (fpsr);
|
|
excepts &= FE_ALL_EXCEPT;
|
|
|
|
/* Set the desired exception mask. */
|
|
fpsr_new = fpsr & ~excepts;
|
|
fpsr_new |= *flagp & excepts;
|
|
|
|
/* Save state back to the FPU. */
|
|
if (fpsr != fpsr_new)
|
|
_FPU_SETFPSR (fpsr_new);
|
|
|
|
return 0;
|
|
}
|