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bfff8b1b | 1 | /* Copyright (C) 2011-2017 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. | |
4 | ||
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. | |
9 | ||
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. | |
14 | ||
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/>. */ | |
4bbac92a | 18 | |
4bbac92a UD |
19 | |
20 | /* | |
21 | * wrapper exp10l(x) | |
22 | */ | |
23 | ||
9d13fb24 | 24 | #include <math.h> |
9277c064 | 25 | #include <math_private.h> |
813378e9 | 26 | #include <math-svid-compat.h> |
4bbac92a | 27 | |
0ac5ae23 UD |
28 | long double |
29 | __exp10l (long double x) | |
4bbac92a | 30 | { |
0ac5ae23 | 31 | long double z = __ieee754_exp10l (x); |
d81f90cc WD |
32 | if (__builtin_expect (!isfinite (z) || z == 0, 0) |
33 | && isfinite (x) && _LIB_VERSION != _IEEE_) | |
0ac5ae23 | 34 | /* exp10l overflow (246) if x > 0, underflow (247) if x < 0. */ |
d81f90cc | 35 | return __kernel_standard_l (x, x, 246 + !!signbit (x)); |
0ac5ae23 UD |
36 | |
37 | return z; | |
4bbac92a UD |
38 | } |
39 | weak_alias (__exp10l, exp10l) | |
40 | strong_alias (__exp10l, __pow10l) | |
41 | weak_alias (__pow10l, pow10l) |