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bfff8b1b | 1 | /* Copyright (C) 2011-2017 Free Software Foundation, Inc. |
bcf01e6d 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/>. */ | |
bcf01e6d UD |
18 | |
19 | #include <math.h> | |
20 | #include <math_private.h> | |
813378e9 | 21 | #include <math-svid-compat.h> |
bcf01e6d | 22 | |
4f3647e4 | 23 | #if LIBM_SVID_COMPAT |
bcf01e6d UD |
24 | /* wrapper expl */ |
25 | long double | |
26 | __expl (long double x) | |
ee188d55 | 27 | { |
41498f4d | 28 | long double z = __ieee754_expl (x); |
d81f90cc WD |
29 | if (__builtin_expect (!isfinite (z) || z == 0, 0) |
30 | && isfinite (x) && _LIB_VERSION != _IEEE_) | |
31 | return __kernel_standard_l (x, x, 206 + !!signbit (x)); | |
bcf01e6d | 32 | |
41498f4d | 33 | return z; |
ee188d55 | 34 | } |
b7805d0b | 35 | hidden_def (__expl) |
ee188d55 | 36 | weak_alias (__expl, expl) |
4f3647e4 | 37 | #endif |