mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 13:50:06 +00:00
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* Set floating-point environment exception handling.
|
|
Copyright (C) 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Hartvig Ekner <hartvige@mips.com>, 2002.
|
|
|
|
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_control_t temp;
|
|
|
|
/* Get the current exceptions. */
|
|
_FPU_GETCW (temp);
|
|
|
|
/* Make sure the flags we want restored are legal. */
|
|
excepts &= FE_ALL_EXCEPT;
|
|
|
|
/* Now clear the bits called for, and copy them in from flagp. Note that
|
|
we ignore all non-flag bits from *flagp, so they don't matter. */
|
|
temp = (temp & ~excepts) | (*flagp & excepts);
|
|
|
|
_FPU_SETCW (temp);
|
|
|
|
/* Success. */
|
|
return 0;
|
|
}
|