]>
Commit | Line | Data |
---|---|---|
2b778ceb | 1 | /* Copyright (C) 2011-2021 Free Software Foundation, Inc. |
0ac5ae23 | 2 | This file is part of the GNU C Library. |
f7eac6eb | 3 | |
0ac5ae23 UD |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
f7eac6eb | 13 | |
0ac5ae23 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
f7eac6eb | 17 | |
9d13fb24 | 18 | #include <math.h> |
9277c064 | 19 | #include <math_private.h> |
813378e9 | 20 | #include <math-svid-compat.h> |
9ac44708 | 21 | #include <libm-alias-double.h> |
f7eac6eb RM |
22 | |
23 | ||
4f3647e4 | 24 | #if LIBM_SVID_COMPAT |
0ac5ae23 UD |
25 | /* wrapper atanh */ |
26 | double | |
27 | __atanh (double x) | |
f7eac6eb | 28 | { |
92221550 AJ |
29 | if (__builtin_expect (isgreaterequal (fabs (x), 1.0), 0) |
30 | && _LIB_VERSION != _IEEE_) | |
0ac5ae23 UD |
31 | return __kernel_standard (x, x, |
32 | fabs (x) > 1.0 | |
33 | ? 30 /* atanh(|x|>1) */ | |
34 | : 31); /* atanh(|x|==1) */ | |
35 | ||
36 | return __ieee754_atanh (x); | |
f7eac6eb | 37 | } |
9ac44708 | 38 | libm_alias_double (__atanh, atanh) |
cccda09f | 39 | #endif |