blob: 2989563f60e868568b2c74d01f5bc3ea73691681 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* Single-precision floating point square root wrapper.
Copyright (C) 2004, 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<http://www.gnu.org/licenses/>. */
#include "math.h"
#include "math_private.h"
#include <fenv_libc.h>
#include <sysdep.h>
#include <ldsodefs.h>
float
__sqrtf (float x) /* wrapper sqrtf */
{
#ifdef _IEEE_LIBM
return __ieee754_sqrtf (x);
#else
float z;
z = __ieee754_sqrtf (x);
if (_LIB_VERSION == _IEEE_ || (x != x))
return z;
if (x < (float) 0.0)
/* sqrtf(negative) */
return (float) __kernel_standard ((double) x, (double) x, 126);
else
return z;
#endif
}
weak_alias (__sqrtf, sqrtf)
|
