1 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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/>. */
18 #define NO_MATH_REDIRECT
19 #define f64xsqrtf128 __hide_f64xsqrtf128
22 #include <math_private.h>
23 #include <math-svid-compat.h>
24 #include <math-narrow-alias.h>
25 #include <libm-alias-ldouble.h>
31 __sqrtl (long double x
)
33 if (__builtin_expect (isless (x
, 0.0L), 0) && _LIB_VERSION
!= _IEEE_
)
34 return __kernel_standard_l (x
, x
, 226); /* sqrt(negative) */
36 return __ieee754_sqrtl (x
);
38 libm_alias_ldouble (__sqrt
, sqrt
)
39 libm_alias_ldouble_narrow (__sqrt
, sqrt
)