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1 | /* Copyright (C) 2011 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | Contributed by Ulrich Drepper <drepper@gmail.com>, 2011. | |
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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. | |
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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. | |
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 | /* | |
20 | * wrapper atan2l(y,x) | |
21 | */ | |
22 | ||
9d13fb24 | 23 | #include <math.h> |
9277c064 | 24 | #include <math_private.h> |
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25 | |
26 | ||
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27 | long double |
28 | __atan2l (long double y, long double x) | |
ee188d55 | 29 | { |
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30 | if (__builtin_expect (x == 0.0L && y == 0.0L, 0) && _LIB_VERSION == _SVID_) |
31 | return __kernel_standard (y, x, 203); /* atan2(+-0,+-0) */ | |
32 | ||
33 | return __ieee754_atan2l (y, x); | |
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34 | } |
35 | weak_alias (__atan2l, atan2l) |