1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24 */
25 /*
26 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
27 * Use is subject to license terms.
28 */
29
30 #ifdef __RESTRICT
31 #define restrict _Restrict
32 #else
33 #define restrict
34 #endif
35
36 extern void __vatan2f(int, float *, int, float *, int, float *, int);
37 extern void __vhypotf(int, float *, int, float *, int, float *, int);
38 extern void __vlogf(int, float *, int, float *, int);
39
40 void
__vc_log(int n,float * restrict x,int stridex,float * restrict y,int stridey)41 __vc_log(int n, float * restrict x, int stridex, float * restrict y,
42 int stridey)
43 {
44 stridex <<= 1;
45 stridey <<= 1;
46 __vhypotf(n, x, stridex, x + 1, stridex, y + 1, stridey);
47 __vlogf(n, y + 1, stridey, y, stridey);
48 __vatan2f(n, x + 1, stridex, x, stridex, y + 1, stridey);
49 }
50