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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/* Copyright (C) 2011-2014 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
<http://www.gnu.org/licenses/>. */
#include <fenv.h>
#include <math.h>
#include <math_private.h>
/* wrapper j0 */
double
j0 (double x)
{
if (__builtin_expect (isgreater (fabs (x), X_TLOSS), 0)
&& _LIB_VERSION != _IEEE_ && _LIB_VERSION != _POSIX_)
/* j0(|x|>X_TLOSS) */
return __kernel_standard (x, x, 34);
return __ieee754_j0 (x);
}
#ifdef NO_LONG_DOUBLE
strong_alias (j0, j0l)
#endif
/* wrapper y0 */
double
y0 (double x)
{
if (__builtin_expect (islessequal (x, 0.0) || isgreater (x, X_TLOSS), 0)
&& _LIB_VERSION != _IEEE_)
{
if (x < 0.0)
{
/* d = zero/(x-x) */
feraiseexcept (FE_INVALID);
return __kernel_standard (x, x, 9);
}
else if (x == 0.0)
{
/* d = -one/(x-x) */
feraiseexcept (FE_DIVBYZERO);
return __kernel_standard (x, x, 8);
}
else if (_LIB_VERSION != _POSIX_)
/* y0(x>X_TLOSS) */
return __kernel_standard (x, x, 35);
}
return __ieee754_y0 (x);
}
#ifdef NO_LONG_DOUBLE
strong_alias (y0, y0l)
#endif
|
GitWeb
