/* Copyright (C) 2011-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper , 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
. */
#include
#include "math_private.h"
/* wrapper atanhf */
float
atanhf (float x)
{
#if defined(__UCLIBC_HAS_FENV__)
if (__builtin_expect (isgreaterequal (fabsf (x), 1.0f), 0)
&& _LIB_VERSION != _IEEE_)
return __kernel_standard_f (x, x,
fabsf (x) > 1.0f
? 130 /* atanh(|x|>1) */
: 131); /* atanh(|x|==1) */
#endif
return (float) __ieee754_atanh ((double) x);
}