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
|
/* Copyright (C) 2011 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <fenv.h>
#include <math.h>
#include <math_private.h>
/* wrapper j0f */
float
j0f (float x)
{
if (__builtin_expect (fabsf (x) > (float) X_TLOSS, 0)
&& _LIB_VERSION != _IEEE_)
/* j0(|x|>X_TLOSS) */
return __kernel_standard_f (x, x, 134);
return __ieee754_j0f (x);
}
/* wrapper y0f */
float
y0f (float x)
{
if (__builtin_expect (x <= 0.0f || x > (float) X_TLOSS, 0)
&& _LIB_VERSION != _IEEE_)
{
if (x < 0.0f)
{
/* d = zero/(x-x) */
feraiseexcept (FE_INVALID);
return __kernel_standard_f (x, x, 109);
}
else if (x == 0.0f)
/* d = -one/(x-x) */
return __kernel_standard_f (x, x, 108);
else
/* y0(x>X_TLOSS) */
return __kernel_standard_f (x, x, 135);
}
return __ieee754_y0f (x);
}
|
