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92221550 | 1 | /* Copyright (C) 2011, 2012 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. | |
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 | |
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16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
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18 | |
19 | #include <math.h> | |
20 | #include <math_private.h> | |
21 | ||
ee188d55 | 22 | static const long double |
ee188d55 RM |
23 | o_threshold= 1.135652340629414394949193107797076489134e4, |
24 | /* 0x400C, 0xB17217F7, 0xD1CF79AC */ | |
25 | u_threshold= -1.140019167866942050398521670162263001513e4; | |
26 | /* 0x400C, 0xB220C447, 0x69C201E8 */ | |
27 | ||
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28 | |
29 | /* wrapper expl */ | |
30 | long double | |
31 | __expl (long double x) | |
ee188d55 | 32 | { |
92221550 | 33 | if (__builtin_expect (isgreater (x, o_threshold), 0)) |
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34 | { |
35 | if (_LIB_VERSION != _IEEE_) | |
36 | return __kernel_standard (x, x, 206); | |
37 | } | |
92221550 | 38 | else if (__builtin_expect (isless (x, u_threshold), 0)) |
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39 | { |
40 | if (_LIB_VERSION != _IEEE_) | |
41 | return __kernel_standard (x, x, 207); | |
42 | } | |
43 | ||
44 | return __ieee754_expl (x); | |
ee188d55 | 45 | } |
b7805d0b | 46 | hidden_def (__expl) |
ee188d55 | 47 | weak_alias (__expl, expl) |