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/*
* 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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "@(#)vrhypotf_.c 1.4 06/01/31 SMI"
extern void __vrhypotf( int, float *, int, float *, int, float *, int );
#pragma weak vrhypotf_ = __vrhypotf_
#ifndef LIBMTSK_BASED
/* just invoke the serial function */
void
__vrhypotf_( int *n, float *x, int *stridex, float *y, int *stridey,
float *z, int *stridez )
{
__vrhypotf( *n, x, *stridex, y, *stridey, z, *stridez );
}
#else
#include "mtsk.h"
static float *xp, *yp, *zp;
static int sx, sy, sz;
/* m-function for parallel vrhypotf */
void
__vrhypotf_mfunc( struct MFunctionBlock *MFunctionBlockPtr, int LowerBound,
int UpperBound, int Step )
{
__vrhypotf( UpperBound - LowerBound + 1, xp + sx * LowerBound, sx,
yp + sy * LowerBound, sy, zp + sz * LowerBound, sz );
}
void
__vrhypotf_( int *n, float *x, int *stridex, float *y, int *stridey,
float *z, int *stridez )
{
struct MFunctionBlock m;
int i;
/* if ncpus < 2, we are already in a parallel construct, or there
aren't enough vector elements to bother parallelizing, just
invoke the serial function */
i = __mt_getncpus_();
if ( i < 2 || *n < ( i << 3 ) || __mt_inepc_() || __mt_inapc_() )
{
__vrhypotf( *n, x, *stridex, y, *stridey, z, *stridez );
return;
}
/* should be safe, we already know we're not in a parallel region */
xp = x;
sx = *stridex;
yp = y;
sy = *stridey;
zp = z;
sz = *stridez;
m.MFunctionPtr = &__vrhypotf_mfunc;
m.LowerBound = 0;
m.UpperBound = *n - 1;
m.Step = 1;
__mt_dopar_vfun_( m.MFunctionPtr, m.LowerBound, m.UpperBound, m.Step );
}
#endif
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