176 lines
4.3 KiB
C
176 lines
4.3 KiB
C
/***************************************************************************
|
|
Copyright (c) 2013-2016, The OpenBLAS Project
|
|
All rights reserved.
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are
|
|
met:
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in
|
|
the documentation and/or other materials provided with the
|
|
distribution.
|
|
3. Neither the name of the OpenBLAS project nor the names of
|
|
its contributors may be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
|
|
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*****************************************************************************/
|
|
|
|
/**************************************************************************************
|
|
* 2016/03/21 Werner Saar (wernsaar@googlemail.com)
|
|
* BLASTEST : OK
|
|
* CTEST : OK
|
|
* TEST : OK
|
|
* LAPACK-TEST : OK
|
|
**************************************************************************************/
|
|
|
|
#include "common.h"
|
|
|
|
|
|
#if defined(POWER8) || defined(POWER9) || defined(POWER10)
|
|
#if defined(__VEC__) || defined(__ALTIVEC__)
|
|
#pragma GCC optimize "O1"
|
|
#include "zdot_microk_power8.c"
|
|
#endif
|
|
#endif
|
|
|
|
|
|
#ifndef HAVE_KERNEL_8
|
|
|
|
static void zdot_kernel_8(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *d)
|
|
{
|
|
BLASLONG register i = 0;
|
|
FLOAT dot[4] = { 0.0, 0.0, 0.0, 0.0 };
|
|
BLASLONG j=0;
|
|
|
|
while( i < n )
|
|
{
|
|
|
|
dot[0] += x[j] * y[j] ;
|
|
dot[1] += x[j+1] * y[j+1] ;
|
|
dot[2] += x[j] * y[j+1] ;
|
|
dot[3] += x[j+1] * y[j] ;
|
|
|
|
dot[0] += x[j+2] * y[j+2] ;
|
|
dot[1] += x[j+3] * y[j+3] ;
|
|
dot[2] += x[j+2] * y[j+3] ;
|
|
dot[3] += x[j+3] * y[j+2] ;
|
|
|
|
dot[0] += x[j+4] * y[j+4] ;
|
|
dot[1] += x[j+5] * y[j+5] ;
|
|
dot[2] += x[j+4] * y[j+5] ;
|
|
dot[3] += x[j+5] * y[j+4] ;
|
|
|
|
dot[0] += x[j+6] * y[j+6] ;
|
|
dot[1] += x[j+7] * y[j+7] ;
|
|
dot[2] += x[j+6] * y[j+7] ;
|
|
dot[3] += x[j+7] * y[j+6] ;
|
|
|
|
j+=8;
|
|
i+=4;
|
|
|
|
}
|
|
d[0] = dot[0];
|
|
d[1] = dot[1];
|
|
d[2] = dot[2];
|
|
d[3] = dot[3];
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
FLOAT _Complex CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
|
|
{
|
|
BLASLONG i;
|
|
BLASLONG ix,iy;
|
|
FLOAT _Complex result;
|
|
FLOAT dot[4] = { 0.0, 0.0, 0.0 , 0.0 } ;
|
|
|
|
if ( n <= 0 )
|
|
{ /*
|
|
__real__ result = 0.0 ;
|
|
__imag__ result = 0.0 ;
|
|
*/
|
|
result = OPENBLAS_MAKE_COMPLEX_FLOAT(0.0,0.0);
|
|
return(result);
|
|
|
|
}
|
|
|
|
if ( (inc_x == 1) && (inc_y == 1) )
|
|
{
|
|
|
|
BLASLONG n1 = n & -8;
|
|
|
|
if ( n1 )
|
|
zdot_kernel_8(n1, x, y , dot );
|
|
|
|
i = n1;
|
|
BLASLONG j = i * 2;
|
|
|
|
while( i < n )
|
|
{
|
|
|
|
dot[0] += x[j] * y[j] ;
|
|
dot[1] += x[j+1] * y[j+1] ;
|
|
dot[2] += x[j] * y[j+1] ;
|
|
dot[3] += x[j+1] * y[j] ;
|
|
|
|
j+=2;
|
|
i++ ;
|
|
|
|
}
|
|
|
|
|
|
}
|
|
else
|
|
{
|
|
i=0;
|
|
ix=0;
|
|
iy=0;
|
|
inc_x <<= 1;
|
|
inc_y <<= 1;
|
|
while(i < n)
|
|
{
|
|
|
|
dot[0] += x[ix] * y[iy] ;
|
|
dot[1] += x[ix+1] * y[iy+1] ;
|
|
dot[2] += x[ix] * y[iy+1] ;
|
|
dot[3] += x[ix+1] * y[iy] ;
|
|
|
|
ix += inc_x ;
|
|
iy += inc_y ;
|
|
i++ ;
|
|
|
|
}
|
|
}
|
|
|
|
#if !defined(CONJ)
|
|
/*
|
|
__real__ result = dot[0] - dot[1];
|
|
__imag__ result = dot[2] + dot[3];
|
|
*/
|
|
result = OPENBLAS_MAKE_COMPLEX_FLOAT(dot[0]-dot[1],dot[2]+dot[3]);
|
|
#else
|
|
/*
|
|
__real__ result = dot[0] + dot[1];
|
|
__imag__ result = dot[2] - dot[3];
|
|
*/
|
|
result = OPENBLAS_MAKE_COMPLEX_FLOAT(dot[0]+dot[1],dot[2]-dot[3]);
|
|
|
|
#endif
|
|
|
|
return(result);
|
|
|
|
}
|
|
|
|
|