blob: ae58e3477e4bc3881ff71032257fb531abcea17b (
plain)
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
69
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma weak erff = __erff
#pragma weak erfcf = __erfcf
#include "libm.h"
#if defined(__i386) && !defined(__amd64)
extern int __swapRP(int);
#endif
float
erff(float x) {
int ix;
ix = *(int *)&x & ~0x80000000;
if (ix > 0x7f800000) /* x is NaN */
return (x * x);
return ((float)erf((double)x));
}
float
erfcf(float x) {
float f;
int ix;
#if defined(__i386) && !defined(__amd64)
int rp;
#endif
ix = *(int *)&x & ~0x80000000;
if (ix > 0x7f800000) /* x is NaN */
return (x * x);
#if defined(__i386) && !defined(__amd64)
rp = __swapRP(fp_extended);
#endif
f = (float)erfc((double)x);
#if defined(__i386) && !defined(__amd64)
if (rp != fp_extended)
(void) __swapRP(rp);
#endif
return (f);
}
|
