1 /* Copyright (C) 2011-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #define NO_MATH_REDIRECT
19 #define f64xsqrtf128 __hide_f64xsqrtf128
20 #include <math.h>
21 #undef f64xsqrtf128
22 #include <math_private.h>
23 #include <math-svid-compat.h>
24 #include <math-narrow-alias.h>
25 #include <libm-alias-ldouble.h>
26
27
28 #if LIBM_SVID_COMPAT
29 /* wrapper sqrtl */
30 long double
__sqrtl(long double x)31 __sqrtl (long double x)
32 {
33 if (__builtin_expect (isless (x, 0.0L), 0) && _LIB_VERSION != _IEEE_)
34 return __kernel_standard_l (x, x, 226); /* sqrt(negative) */
35
36 return __ieee754_sqrtl (x);
37 }
38 libm_alias_ldouble (__sqrt, sqrt)
39 libm_alias_ldouble_narrow (__sqrt, sqrt)
40 #endif
41