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bfff8b1b | 1 | /* Copyright (C) 2011-2017 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@gmail.com>, 2011. | |
ee188d55 | 4 | |
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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. | |
ee188d55 | 9 | |
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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. | |
ee188d55 | 14 | |
0ac5ae23 | 15 | You should have received a copy of the GNU Lesser General Public |
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16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
ee188d55 | 18 | |
9d13fb24 | 19 | #include <math.h> |
9277c064 | 20 | #include <math_private.h> |
813378e9 | 21 | #include <math-svid-compat.h> |
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22 | |
23 | ||
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24 | /* wrapper atanhl */ |
25 | long double | |
26 | __atanhl (long double x) | |
ee188d55 | 27 | { |
92221550 AJ |
28 | if (__builtin_expect (isgreaterequal (fabsl (x), 1.0L), 0) |
29 | && _LIB_VERSION != _IEEE_) | |
41bf21a1 JM |
30 | return __kernel_standard_l (x, x, |
31 | fabsl (x) > 1.0L | |
32 | ? 230 /* atanh(|x|>1) */ | |
33 | : 231); /* atanh(|x|==1) */ | |
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34 | |
35 | return __ieee754_atanhl (x); | |
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36 | } |
37 | weak_alias (__atanhl, atanhl) |