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92221550 | 1 | /* Copyright (C) 2011, 2012 Free Software Foundation, Inc. |
0ac5ae23 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@gmail.com>, 2011. | |
f7eac6eb | 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. | |
f7eac6eb | 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. | |
f7eac6eb | 14 | |
0ac5ae23 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
f7eac6eb | 18 | |
9d13fb24 | 19 | #include <math.h> |
9277c064 | 20 | #include <math_private.h> |
f7eac6eb RM |
21 | |
22 | ||
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23 | /* wrapper atanhf */ |
24 | float | |
25 | __atanhf (float x) | |
f7eac6eb | 26 | { |
92221550 AJ |
27 | if (__builtin_expect (isgreaterequal (fabsf (x), 1.0f), 0) |
28 | && _LIB_VERSION != _IEEE_) | |
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29 | return __kernel_standard_f (x, x, |
30 | fabsf (x) > 1.0f | |
31 | ? 130 /* atanh(|x|>1) */ | |
32 | : 131); /* atanh(|x|==1) */ | |
33 | ||
34 | return __ieee754_atanhf (x); | |
f7eac6eb RM |
35 | } |
36 | weak_alias (__atanhf, atanhf) |