mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-26 12:41:05 +00:00
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* Set current rounding direction.
|
|
Copyright (C) 2000-2014 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <fenv_libc.h>
|
|
#include <fpu_control.h>
|
|
|
|
int
|
|
fesetround (int round)
|
|
{
|
|
if ((round|FPC_RM_MASK) != FPC_RM_MASK)
|
|
{
|
|
/* ROUND is not a valid rounding mode. */
|
|
return 1;
|
|
}
|
|
__asm__ volatile ("srnm 0(%0)"
|
|
:
|
|
: "a" (round));
|
|
|
|
return 0;
|
|
}
|
|
libm_hidden_def (fesetround)
|