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2b778ceb | 1 | /* Copyright (C) 2011-2021 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. | |
f7eac6eb | 4 | |
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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. | |
f7eac6eb | 9 | |
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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. | |
f7eac6eb | 14 | |
0ac5ae23 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
f7eac6eb | 18 | |
1294b189 | 19 | #define NO_MATH_REDIRECT |
9d13fb24 | 20 | #include <math.h> |
9277c064 | 21 | #include <math_private.h> |
813378e9 | 22 | #include <math-svid-compat.h> |
5bcdb315 | 23 | #include <libm-alias-float.h> |
f7eac6eb | 24 | |
0ac5ae23 | 25 | |
4f3647e4 | 26 | #if LIBM_SVID_COMPAT |
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27 | /* wrapper sqrtf */ |
28 | float | |
29 | __sqrtf (float x) | |
f7eac6eb | 30 | { |
92221550 | 31 | if (__builtin_expect (isless (x, 0.0f), 0) && _LIB_VERSION != _IEEE_) |
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32 | return __kernel_standard_f (x, x, 126); /* sqrt(negative) */ |
33 | ||
34 | return __ieee754_sqrtf (x); | |
f7eac6eb | 35 | } |
5bcdb315 | 36 | libm_alias_float (__sqrt, sqrt) |
4f3647e4 | 37 | #endif |