|
Packit |
6c4009 |
/* Clear given exceptions in current floating-point environment.
|
|
Packit |
6c4009 |
Copyright (C) 1997-2018 Free Software Foundation, Inc.
|
|
Packit |
6c4009 |
This file is part of the GNU C Library.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is free software; you can redistribute it and/or
|
|
Packit |
6c4009 |
modify it under the terms of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License as published by the Free Software Foundation; either
|
|
Packit |
6c4009 |
version 2.1 of the License, or (at your option) any later version.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is distributed in the hope that it will be useful,
|
|
Packit |
6c4009 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
6c4009 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit |
6c4009 |
Lesser General Public License for more details.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
You should have received a copy of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License along with the GNU C Library; if not, see
|
|
Packit |
6c4009 |
<http://www.gnu.org/licenses/>. */
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#include <fenv_libc.h>
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#undef feclearexcept
|
|
Packit |
6c4009 |
int
|
|
Packit |
6c4009 |
__feclearexcept (int excepts)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
fenv_union_t u, n;
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Get the current state. */
|
|
Packit |
6c4009 |
u.fenv = fegetenv_register ();
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Clear the relevant bits. */
|
|
Packit |
6c4009 |
n.l = u.l & ~((-(excepts >> (31 - FPSCR_VX) & 1) & FE_ALL_INVALID)
|
|
Packit |
6c4009 |
| (excepts & FPSCR_STICKY_BITS));
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Put the new state in effect. */
|
|
Packit |
6c4009 |
if (u.l != n.l)
|
|
Packit |
6c4009 |
fesetenv_register (n.fenv);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Success. */
|
|
Packit |
6c4009 |
return 0;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#include <shlib-compat.h>
|
|
Packit |
6c4009 |
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
|
|
Packit |
6c4009 |
strong_alias (__feclearexcept, __old_feclearexcept)
|
|
Packit |
6c4009 |
compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1);
|
|
Packit |
6c4009 |
#endif
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
libm_hidden_ver (__feclearexcept, feclearexcept)
|
|
Packit |
6c4009 |
versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2);
|