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1 /* Copyright (C) 2011 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
20 #include <math_private.h>
27 if (__builtin_expect (fabsf (x
) >= 1.0f
, 0) && _LIB_VERSION
!= _IEEE_
)
28 return __kernel_standard_f (x
, x
,
30 ? 130 /* atanh(|x|>1) */
31 : 131); /* atanh(|x|==1) */
33 return __ieee754_atanhf (x
);
35 weak_alias (__atanhf
, atanhf
)
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