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/* Install given floating-point environment.
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 <shlib-compat.h>
int
__fesetenv (const fenv_t *envp)
{
fenv_t dummy;
/* Put these constants in memory explicitly, so as to cope with a
-fPIC bug as of gcc 970624. Making them automatic is quicker
than loading up the pic register in this instance. */
if (envp == FE_DFL_ENV)
{
dummy = 0;
envp = &dummy;
}
else if (envp == FE_NOMASK_ENV)
{
dummy = 0x1f << 23;
envp = &dummy;
}
__fenv_ldfsr (*envp);
/* Success. */
return 0;
}
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__fesetenv, __old_fesetenv)
compat_symbol (libm, __old_fesetenv, fesetenv, GLIBC_2_1);
#endif
libm_hidden_def (__fesetenv)
libm_hidden_ver (__fesetenv, fesetenv)
versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2);
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