mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-09 23:00:07 +00:00
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* Copyright (C) 2011-2020 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#define NO_MATH_REDIRECT
|
|
#include <math.h>
|
|
#include <math_private.h>
|
|
#include <math-svid-compat.h>
|
|
#include <libm-alias-double.h>
|
|
|
|
|
|
#if LIBM_SVID_COMPAT
|
|
/* wrapper sqrt */
|
|
double
|
|
__sqrt (double x)
|
|
{
|
|
if (__builtin_expect (isless (x, 0.0), 0) && _LIB_VERSION != _IEEE_)
|
|
return __kernel_standard (x, x, 26); /* sqrt(negative) */
|
|
|
|
return __ieee754_sqrt (x);
|
|
}
|
|
libm_alias_double (__sqrt, sqrt)
|
|
#endif
|