/* Copyright (C) 2011-2016 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" /* wrapper atanhf */ float atanhf (float x) { #if __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); }