mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* Install given floating-point environment.
|
|
Copyright (C) 1998-2017 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Andreas Jaeger <aj@suse.de>, 1998.
|
|
|
|
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
|
|
__fesetenv (const fenv_t *envp)
|
|
{
|
|
fpu_control_t cw;
|
|
|
|
/* Read first current state to flush fpu pipeline. */
|
|
_FPU_GETCW (cw);
|
|
|
|
if (envp == FE_DFL_ENV)
|
|
_FPU_SETCW (_FPU_DEFAULT);
|
|
else if (envp == FE_NOMASK_ENV)
|
|
_FPU_SETCW (_FPU_IEEE);
|
|
else
|
|
_FPU_SETCW (envp->__fp_control_register);
|
|
|
|
/* Success. */
|
|
return 0;
|
|
}
|
|
|
|
libm_hidden_def (__fesetenv)
|
|
weak_alias (__fesetenv, fesetenv)
|
|
libm_hidden_weak (fesetenv)
|