1*25c28e83SPiotr Jasiukajtis /*
2*25c28e83SPiotr Jasiukajtis * CDDL HEADER START
3*25c28e83SPiotr Jasiukajtis *
4*25c28e83SPiotr Jasiukajtis * The contents of this file are subject to the terms of the
5*25c28e83SPiotr Jasiukajtis * Common Development and Distribution License (the "License").
6*25c28e83SPiotr Jasiukajtis * You may not use this file except in compliance with the License.
7*25c28e83SPiotr Jasiukajtis *
8*25c28e83SPiotr Jasiukajtis * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*25c28e83SPiotr Jasiukajtis * or http://www.opensolaris.org/os/licensing.
10*25c28e83SPiotr Jasiukajtis * See the License for the specific language governing permissions
11*25c28e83SPiotr Jasiukajtis * and limitations under the License.
12*25c28e83SPiotr Jasiukajtis *
13*25c28e83SPiotr Jasiukajtis * When distributing Covered Code, include this CDDL HEADER in each
14*25c28e83SPiotr Jasiukajtis * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*25c28e83SPiotr Jasiukajtis * If applicable, add the following below this CDDL HEADER, with the
16*25c28e83SPiotr Jasiukajtis * fields enclosed by brackets "[]" replaced with your own identifying
17*25c28e83SPiotr Jasiukajtis * information: Portions Copyright [yyyy] [name of copyright owner]
18*25c28e83SPiotr Jasiukajtis *
19*25c28e83SPiotr Jasiukajtis * CDDL HEADER END
20*25c28e83SPiotr Jasiukajtis */
21*25c28e83SPiotr Jasiukajtis
22*25c28e83SPiotr Jasiukajtis /*
23*25c28e83SPiotr Jasiukajtis * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24*25c28e83SPiotr Jasiukajtis */
25*25c28e83SPiotr Jasiukajtis /*
26*25c28e83SPiotr Jasiukajtis * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
27*25c28e83SPiotr Jasiukajtis * Use is subject to license terms.
28*25c28e83SPiotr Jasiukajtis */
29*25c28e83SPiotr Jasiukajtis
30*25c28e83SPiotr Jasiukajtis #ifdef __RESTRICT
31*25c28e83SPiotr Jasiukajtis #define restrict _Restrict
32*25c28e83SPiotr Jasiukajtis #else
33*25c28e83SPiotr Jasiukajtis #define restrict
34*25c28e83SPiotr Jasiukajtis #endif
35*25c28e83SPiotr Jasiukajtis
36*25c28e83SPiotr Jasiukajtis extern void __vc_exp(int, float *, int, float *, int, float *);
37*25c28e83SPiotr Jasiukajtis extern void __vc_log(int, float *, int, float *, int);
38*25c28e83SPiotr Jasiukajtis
39*25c28e83SPiotr Jasiukajtis void
__vc_pow(int n,float * restrict x,int stridex,float * restrict y,int stridey,float * restrict z,int stridez,float * restrict tmp)40*25c28e83SPiotr Jasiukajtis __vc_pow(int n, float * restrict x, int stridex, float * restrict y,
41*25c28e83SPiotr Jasiukajtis int stridey, float * restrict z, int stridez, float * restrict tmp)
42*25c28e83SPiotr Jasiukajtis {
43*25c28e83SPiotr Jasiukajtis float r;
44*25c28e83SPiotr Jasiukajtis int i, j, k;
45*25c28e83SPiotr Jasiukajtis
46*25c28e83SPiotr Jasiukajtis __vc_log(n, x, stridex, tmp, 1);
47*25c28e83SPiotr Jasiukajtis stridey <<= 1;
48*25c28e83SPiotr Jasiukajtis for (i = j = 0; i < n; i++, j += stridey)
49*25c28e83SPiotr Jasiukajtis {
50*25c28e83SPiotr Jasiukajtis k = i << 1;
51*25c28e83SPiotr Jasiukajtis r = y[j] * tmp[k] - y[j+1] * tmp[k+1];
52*25c28e83SPiotr Jasiukajtis tmp[k+1] = y[j+1] * tmp[k] + y[j] * tmp[k+1];
53*25c28e83SPiotr Jasiukajtis tmp[k] = r;
54*25c28e83SPiotr Jasiukajtis }
55*25c28e83SPiotr Jasiukajtis __vc_exp(n, tmp, 1, z, stridez, tmp + n + n);
56*25c28e83SPiotr Jasiukajtis }
57