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
  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 }