mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-28 12:13:37 +08:00
bcea7ad608
Move exp compat wrappers to math/w_exp{,f,l}_compat.c to be
consistent with other wrappers.
* sysdeps/ieee754/dbl-64/w_exp_compat.c: Move to...
* math/w_exp_compat.c: ... here.
* sysdeps/ieee754/flt-32/w_expf_compat.c: Move to...
* math/w_expf_compat.c: ... here.
* sysdeps/ieee754/ldbl-128/w_expl_compat.c: Move to...
* math/w_expl_compat.c: ... here.
* sysdeps/ieee754/ldbl-128ibm/w_expl_compat.c: Remove.
* sysdeps/ieee754/ldbl-96/w_expl_compat.c: Remove.
* sysdeps/ieee754/ldbl-opt/w_exp_compat.c: Use the new path.
* sysdeps/ieee754/ldbl-opt/w_expl_compat.c: Likewise.
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* Copyright (C) 2011-2017 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
|
|
|
|
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 <math.h>
|
|
#include <math_private.h>
|
|
#include <math-svid-compat.h>
|
|
|
|
#if LIBM_SVID_COMPAT
|
|
/* wrapper expf */
|
|
float
|
|
__expf (float x)
|
|
{
|
|
float z = __ieee754_expf (x);
|
|
if (__builtin_expect (!isfinite (z) || z == 0, 0)
|
|
&& isfinite (x) && _LIB_VERSION != _IEEE_)
|
|
return __kernel_standard_f (x, x, 106 + !!signbit (x));
|
|
|
|
return z;
|
|
}
|
|
hidden_def (__expf)
|
|
weak_alias (__expf, expf)
|
|
#endif
|