624 lines
16 KiB
C
624 lines
16 KiB
C
/***************************************************************************
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Copyright (c) 2014, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#include "common.h"
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#if (defined(__GNUC__) && __GNUC__ > 11)
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#pragma GCC optimize("no-tree-vectorize")
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#endif
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#if defined(HASWELL) || defined(ZEN) || defined (SKYLAKEX) || defined (COOPERLAKE) || defined (SAPPHIRERAPIDS)
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#include "zgemv_n_microk_haswell-4.c"
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#elif defined(SANDYBRIDGE)
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#include "zgemv_n_microk_sandy-4.c"
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#elif defined(BULLDOZER) || defined(PILEDRIVER) || defined(STEAMROLLER) || defined(EXCAVATOR)
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#include "zgemv_n_microk_bulldozer-4.c"
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#endif
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#define NBMAX 1024
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#ifndef HAVE_KERNEL_4x4
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static void zgemv_kernel_4x4(BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y)
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{
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BLASLONG i;
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FLOAT *a0,*a1,*a2,*a3;
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a0 = ap[0];
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a1 = ap[1];
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a2 = ap[2];
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a3 = ap[3];
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for ( i=0; i< 2*n; i+=2 )
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{
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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y[i] += a0[i]*x[0] - a0[i+1] * x[1];
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y[i+1] += a0[i]*x[1] + a0[i+1] * x[0];
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y[i] += a1[i]*x[2] - a1[i+1] * x[3];
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y[i+1] += a1[i]*x[3] + a1[i+1] * x[2];
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y[i] += a2[i]*x[4] - a2[i+1] * x[5];
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y[i+1] += a2[i]*x[5] + a2[i+1] * x[4];
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y[i] += a3[i]*x[6] - a3[i+1] * x[7];
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y[i+1] += a3[i]*x[7] + a3[i+1] * x[6];
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#else
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y[i] += a0[i]*x[0] + a0[i+1] * x[1];
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y[i+1] += a0[i]*x[1] - a0[i+1] * x[0];
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y[i] += a1[i]*x[2] + a1[i+1] * x[3];
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y[i+1] += a1[i]*x[3] - a1[i+1] * x[2];
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y[i] += a2[i]*x[4] + a2[i+1] * x[5];
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y[i+1] += a2[i]*x[5] - a2[i+1] * x[4];
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y[i] += a3[i]*x[6] + a3[i+1] * x[7];
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y[i+1] += a3[i]*x[7] - a3[i+1] * x[6];
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#endif
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}
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}
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#endif
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#ifndef HAVE_KERNEL_4x2
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static void zgemv_kernel_4x2(BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y)
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{
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BLASLONG i;
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FLOAT *a0,*a1;
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a0 = ap[0];
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a1 = ap[1];
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for ( i=0; i< 2*n; i+=2 )
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{
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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y[i] += a0[i]*x[0] - a0[i+1] * x[1];
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y[i+1] += a0[i]*x[1] + a0[i+1] * x[0];
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y[i] += a1[i]*x[2] - a1[i+1] * x[3];
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y[i+1] += a1[i]*x[3] + a1[i+1] * x[2];
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#else
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y[i] += a0[i]*x[0] + a0[i+1] * x[1];
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y[i+1] += a0[i]*x[1] - a0[i+1] * x[0];
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y[i] += a1[i]*x[2] + a1[i+1] * x[3];
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y[i+1] += a1[i]*x[3] - a1[i+1] * x[2];
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#endif
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}
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}
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#endif
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#ifndef HAVE_KERNEL_4x1
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static void zgemv_kernel_4x1(BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y)
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{
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BLASLONG i;
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FLOAT *a0;
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a0 = ap;
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for ( i=0; i< 2*n; i+=2 )
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{
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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y[i] += a0[i]*x[0] - a0[i+1] * x[1];
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y[i+1] += a0[i]*x[1] + a0[i+1] * x[0];
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#else
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y[i] += a0[i]*x[0] + a0[i+1] * x[1];
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y[i+1] += a0[i]*x[1] - a0[i+1] * x[0];
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#endif
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}
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}
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#endif
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#ifndef HAVE_KERNEL_ADDY
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static void add_y(BLASLONG n, FLOAT *src, FLOAT *dest, BLASLONG inc_dest,FLOAT alpha_r, FLOAT alpha_i) __attribute__ ((noinline));
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static void add_y(BLASLONG n, FLOAT *src, FLOAT *dest, BLASLONG inc_dest,FLOAT alpha_r, FLOAT alpha_i)
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{
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BLASLONG i;
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if ( inc_dest != 2 )
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{
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FLOAT temp_r;
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FLOAT temp_i;
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for ( i=0; i<n; i++ )
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{
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#if !defined(XCONJ)
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temp_r = alpha_r * src[0] - alpha_i * src[1];
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temp_i = alpha_r * src[1] + alpha_i * src[0];
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#else
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temp_r = alpha_r * src[0] + alpha_i * src[1];
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temp_i = -alpha_r * src[1] + alpha_i * src[0];
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#endif
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*dest += temp_r;
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*(dest+1) += temp_i;
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src+=2;
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dest += inc_dest;
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}
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return;
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}
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FLOAT temp_r0;
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FLOAT temp_i0;
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FLOAT temp_r1;
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FLOAT temp_i1;
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FLOAT temp_r2;
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FLOAT temp_i2;
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FLOAT temp_r3;
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FLOAT temp_i3;
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for ( i=0; i<n; i+=4 )
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{
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#if !defined(XCONJ)
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temp_r0 = alpha_r * src[0] - alpha_i * src[1];
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temp_i0 = alpha_r * src[1] + alpha_i * src[0];
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temp_r1 = alpha_r * src[2] - alpha_i * src[3];
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temp_i1 = alpha_r * src[3] + alpha_i * src[2];
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temp_r2 = alpha_r * src[4] - alpha_i * src[5];
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temp_i2 = alpha_r * src[5] + alpha_i * src[4];
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temp_r3 = alpha_r * src[6] - alpha_i * src[7];
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temp_i3 = alpha_r * src[7] + alpha_i * src[6];
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#else
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temp_r0 = alpha_r * src[0] + alpha_i * src[1];
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temp_i0 = -alpha_r * src[1] + alpha_i * src[0];
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temp_r1 = alpha_r * src[2] + alpha_i * src[3];
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temp_i1 = -alpha_r * src[3] + alpha_i * src[2];
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temp_r2 = alpha_r * src[4] + alpha_i * src[5];
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temp_i2 = -alpha_r * src[5] + alpha_i * src[4];
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temp_r3 = alpha_r * src[6] + alpha_i * src[7];
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temp_i3 = -alpha_r * src[7] + alpha_i * src[6];
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#endif
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dest[0] += temp_r0;
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dest[1] += temp_i0;
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dest[2] += temp_r1;
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dest[3] += temp_i1;
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dest[4] += temp_r2;
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dest[5] += temp_i2;
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dest[6] += temp_r3;
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dest[7] += temp_i3;
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src += 8;
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dest += 8;
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}
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return;
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}
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#endif
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int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha_r,FLOAT alpha_i, FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *buffer)
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{
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BLASLONG i;
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FLOAT *a_ptr;
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FLOAT *x_ptr;
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FLOAT *y_ptr;
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FLOAT *ap[4];
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BLASLONG n1;
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BLASLONG m1;
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BLASLONG m2;
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BLASLONG m3;
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BLASLONG n2;
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BLASLONG lda4;
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FLOAT xbuffer[8],*ybuffer;
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if ( m < 1 ) return(0);
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if ( n < 1 ) return(0);
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ybuffer = buffer;
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inc_x *= 2;
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inc_y *= 2;
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lda *= 2;
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lda4 = 4 * lda;
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n1 = n / 4 ;
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n2 = n % 4 ;
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m3 = m % 4;
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m1 = m - ( m % 4 );
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m2 = (m % NBMAX) - (m % 4) ;
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y_ptr = y;
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BLASLONG NB = NBMAX;
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while ( NB == NBMAX )
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{
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m1 -= NB;
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if ( m1 < 0)
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{
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if ( m2 == 0 ) break;
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NB = m2;
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}
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a_ptr = a;
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ap[0] = a_ptr;
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ap[1] = a_ptr + lda;
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ap[2] = ap[1] + lda;
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ap[3] = ap[2] + lda;
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x_ptr = x;
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//zero_y(NB,ybuffer);
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memset(ybuffer,0,NB*16);
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if ( inc_x == 2 )
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{
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for( i = 0; i < n1 ; i++)
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{
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zgemv_kernel_4x4(NB,ap,x_ptr,ybuffer);
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ap[0] += lda4;
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ap[1] += lda4;
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ap[2] += lda4;
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ap[3] += lda4;
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a_ptr += lda4;
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x_ptr += 8;
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}
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if ( n2 & 2 )
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{
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zgemv_kernel_4x2(NB,ap,x_ptr,ybuffer);
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x_ptr += 4;
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a_ptr += 2 * lda;
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}
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if ( n2 & 1 )
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{
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zgemv_kernel_4x1(NB,a_ptr,x_ptr,ybuffer);
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/* x_ptr += 2;
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a_ptr += lda; */
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}
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}
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else
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{
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for( i = 0; i < n1 ; i++)
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{
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xbuffer[0] = x_ptr[0];
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xbuffer[1] = x_ptr[1];
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x_ptr += inc_x;
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xbuffer[2] = x_ptr[0];
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xbuffer[3] = x_ptr[1];
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x_ptr += inc_x;
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xbuffer[4] = x_ptr[0];
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xbuffer[5] = x_ptr[1];
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x_ptr += inc_x;
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xbuffer[6] = x_ptr[0];
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xbuffer[7] = x_ptr[1];
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x_ptr += inc_x;
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zgemv_kernel_4x4(NB,ap,xbuffer,ybuffer);
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ap[0] += lda4;
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ap[1] += lda4;
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ap[2] += lda4;
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ap[3] += lda4;
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a_ptr += lda4;
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}
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for( i = 0; i < n2 ; i++)
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{
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xbuffer[0] = x_ptr[0];
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xbuffer[1] = x_ptr[1];
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x_ptr += inc_x;
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zgemv_kernel_4x1(NB,a_ptr,xbuffer,ybuffer);
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a_ptr += 1 * lda;
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}
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}
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add_y(NB,ybuffer,y_ptr,inc_y,alpha_r,alpha_i);
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a += 2 * NB;
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y_ptr += NB * inc_y;
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}
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if ( m3 == 0 ) return(0);
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if ( m3 == 1 )
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{
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a_ptr = a;
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x_ptr = x;
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FLOAT temp_r = 0.0;
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FLOAT temp_i = 0.0;
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if ( lda == 2 && inc_x == 2 )
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{
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for( i=0 ; i < (n & -2); i+=2 )
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{
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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temp_r += a_ptr[0] * x_ptr[0] - a_ptr[1] * x_ptr[1];
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temp_i += a_ptr[0] * x_ptr[1] + a_ptr[1] * x_ptr[0];
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temp_r += a_ptr[2] * x_ptr[2] - a_ptr[3] * x_ptr[3];
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temp_i += a_ptr[2] * x_ptr[3] + a_ptr[3] * x_ptr[2];
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#else
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temp_r += a_ptr[0] * x_ptr[0] + a_ptr[1] * x_ptr[1];
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temp_i += a_ptr[0] * x_ptr[1] - a_ptr[1] * x_ptr[0];
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temp_r += a_ptr[2] * x_ptr[2] + a_ptr[3] * x_ptr[3];
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temp_i += a_ptr[2] * x_ptr[3] - a_ptr[3] * x_ptr[2];
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#endif
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a_ptr += 4;
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x_ptr += 4;
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}
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for( ; i < n; i++ )
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{
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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temp_r += a_ptr[0] * x_ptr[0] - a_ptr[1] * x_ptr[1];
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temp_i += a_ptr[0] * x_ptr[1] + a_ptr[1] * x_ptr[0];
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#else
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temp_r += a_ptr[0] * x_ptr[0] + a_ptr[1] * x_ptr[1];
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temp_i += a_ptr[0] * x_ptr[1] - a_ptr[1] * x_ptr[0];
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#endif
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a_ptr += 2;
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x_ptr += 2;
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}
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}
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else
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{
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for( i = 0; i < n; i++ )
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{
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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temp_r += a_ptr[0] * x_ptr[0] - a_ptr[1] * x_ptr[1];
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temp_i += a_ptr[0] * x_ptr[1] + a_ptr[1] * x_ptr[0];
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#else
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temp_r += a_ptr[0] * x_ptr[0] + a_ptr[1] * x_ptr[1];
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temp_i += a_ptr[0] * x_ptr[1] - a_ptr[1] * x_ptr[0];
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#endif
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a_ptr += lda;
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x_ptr += inc_x;
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}
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}
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#if !defined(XCONJ)
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y_ptr[0] += alpha_r * temp_r - alpha_i * temp_i;
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y_ptr[1] += alpha_r * temp_i + alpha_i * temp_r;
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#else
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y_ptr[0] += alpha_r * temp_r + alpha_i * temp_i;
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y_ptr[1] -= alpha_r * temp_i - alpha_i * temp_r;
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#endif
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return(0);
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}
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if ( m3 == 2 )
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{
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a_ptr = a;
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x_ptr = x;
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FLOAT temp_r0 = 0.0;
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FLOAT temp_i0 = 0.0;
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FLOAT temp_r1 = 0.0;
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FLOAT temp_i1 = 0.0;
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if ( lda == 4 && inc_x == 2 )
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{
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for( i = 0; i < (n & -2); i+=2 )
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{
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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temp_r0 += a_ptr[0] * x_ptr[0] - a_ptr[1] * x_ptr[1];
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temp_i0 += a_ptr[0] * x_ptr[1] + a_ptr[1] * x_ptr[0];
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temp_r1 += a_ptr[2] * x_ptr[0] - a_ptr[3] * x_ptr[1];
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temp_i1 += a_ptr[2] * x_ptr[1] + a_ptr[3] * x_ptr[0];
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temp_r0 += a_ptr[4] * x_ptr[2] - a_ptr[5] * x_ptr[3];
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temp_i0 += a_ptr[4] * x_ptr[3] + a_ptr[5] * x_ptr[2];
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temp_r1 += a_ptr[6] * x_ptr[2] - a_ptr[7] * x_ptr[3];
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temp_i1 += a_ptr[6] * x_ptr[3] + a_ptr[7] * x_ptr[2];
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#else
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temp_r0 += a_ptr[0] * x_ptr[0] + a_ptr[1] * x_ptr[1];
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temp_i0 += a_ptr[0] * x_ptr[1] - a_ptr[1] * x_ptr[0];
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temp_r1 += a_ptr[2] * x_ptr[0] + a_ptr[3] * x_ptr[1];
|
|
temp_i1 += a_ptr[2] * x_ptr[1] - a_ptr[3] * x_ptr[0];
|
|
|
|
temp_r0 += a_ptr[4] * x_ptr[2] + a_ptr[5] * x_ptr[3];
|
|
temp_i0 += a_ptr[4] * x_ptr[3] - a_ptr[5] * x_ptr[2];
|
|
temp_r1 += a_ptr[6] * x_ptr[2] + a_ptr[7] * x_ptr[3];
|
|
temp_i1 += a_ptr[6] * x_ptr[3] - a_ptr[7] * x_ptr[2];
|
|
|
|
#endif
|
|
|
|
a_ptr += 8;
|
|
x_ptr += 4;
|
|
}
|
|
|
|
|
|
for( ; i < n; i++ )
|
|
{
|
|
#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
|
|
temp_r0 += a_ptr[0] * x_ptr[0] - a_ptr[1] * x_ptr[1];
|
|
temp_i0 += a_ptr[0] * x_ptr[1] + a_ptr[1] * x_ptr[0];
|
|
temp_r1 += a_ptr[2] * x_ptr[0] - a_ptr[3] * x_ptr[1];
|
|
temp_i1 += a_ptr[2] * x_ptr[1] + a_ptr[3] * x_ptr[0];
|
|
#else
|
|
temp_r0 += a_ptr[0] * x_ptr[0] + a_ptr[1] * x_ptr[1];
|
|
temp_i0 += a_ptr[0] * x_ptr[1] - a_ptr[1] * x_ptr[0];
|
|
temp_r1 += a_ptr[2] * x_ptr[0] + a_ptr[3] * x_ptr[1];
|
|
temp_i1 += a_ptr[2] * x_ptr[1] - a_ptr[3] * x_ptr[0];
|
|
#endif
|
|
|
|
a_ptr += 4;
|
|
x_ptr += 2;
|
|
}
|
|
|
|
|
|
}
|
|
else
|
|
{
|
|
|
|
for( i=0 ; i < n; i++ )
|
|
{
|
|
#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
|
|
temp_r0 += a_ptr[0] * x_ptr[0] - a_ptr[1] * x_ptr[1];
|
|
temp_i0 += a_ptr[0] * x_ptr[1] + a_ptr[1] * x_ptr[0];
|
|
temp_r1 += a_ptr[2] * x_ptr[0] - a_ptr[3] * x_ptr[1];
|
|
temp_i1 += a_ptr[2] * x_ptr[1] + a_ptr[3] * x_ptr[0];
|
|
#else
|
|
temp_r0 += a_ptr[0] * x_ptr[0] + a_ptr[1] * x_ptr[1];
|
|
temp_i0 += a_ptr[0] * x_ptr[1] - a_ptr[1] * x_ptr[0];
|
|
temp_r1 += a_ptr[2] * x_ptr[0] + a_ptr[3] * x_ptr[1];
|
|
temp_i1 += a_ptr[2] * x_ptr[1] - a_ptr[3] * x_ptr[0];
|
|
#endif
|
|
|
|
a_ptr += lda;
|
|
x_ptr += inc_x;
|
|
}
|
|
|
|
|
|
}
|
|
#if !defined(XCONJ)
|
|
y_ptr[0] += alpha_r * temp_r0 - alpha_i * temp_i0;
|
|
y_ptr[1] += alpha_r * temp_i0 + alpha_i * temp_r0;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += alpha_r * temp_r1 - alpha_i * temp_i1;
|
|
y_ptr[1] += alpha_r * temp_i1 + alpha_i * temp_r1;
|
|
#else
|
|
y_ptr[0] += alpha_r * temp_r0 + alpha_i * temp_i0;
|
|
y_ptr[1] -= alpha_r * temp_i0 - alpha_i * temp_r0;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += alpha_r * temp_r1 + alpha_i * temp_i1;
|
|
y_ptr[1] -= alpha_r * temp_i1 - alpha_i * temp_r1;
|
|
#endif
|
|
return(0);
|
|
}
|
|
|
|
|
|
if ( m3 == 3 )
|
|
{
|
|
a_ptr = a;
|
|
x_ptr = x;
|
|
FLOAT temp_r0 = 0.0;
|
|
FLOAT temp_i0 = 0.0;
|
|
FLOAT temp_r1 = 0.0;
|
|
FLOAT temp_i1 = 0.0;
|
|
FLOAT temp_r2 = 0.0;
|
|
FLOAT temp_i2 = 0.0;
|
|
|
|
if ( lda == 6 && inc_x == 2 )
|
|
{
|
|
|
|
for( i=0 ; i < n; i++ )
|
|
{
|
|
#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
|
|
temp_r0 += a_ptr[0] * x_ptr[0] - a_ptr[1] * x_ptr[1];
|
|
temp_i0 += a_ptr[0] * x_ptr[1] + a_ptr[1] * x_ptr[0];
|
|
temp_r1 += a_ptr[2] * x_ptr[0] - a_ptr[3] * x_ptr[1];
|
|
temp_i1 += a_ptr[2] * x_ptr[1] + a_ptr[3] * x_ptr[0];
|
|
temp_r2 += a_ptr[4] * x_ptr[0] - a_ptr[5] * x_ptr[1];
|
|
temp_i2 += a_ptr[4] * x_ptr[1] + a_ptr[5] * x_ptr[0];
|
|
#else
|
|
temp_r0 += a_ptr[0] * x_ptr[0] + a_ptr[1] * x_ptr[1];
|
|
temp_i0 += a_ptr[0] * x_ptr[1] - a_ptr[1] * x_ptr[0];
|
|
temp_r1 += a_ptr[2] * x_ptr[0] + a_ptr[3] * x_ptr[1];
|
|
temp_i1 += a_ptr[2] * x_ptr[1] - a_ptr[3] * x_ptr[0];
|
|
temp_r2 += a_ptr[4] * x_ptr[0] + a_ptr[5] * x_ptr[1];
|
|
temp_i2 += a_ptr[4] * x_ptr[1] - a_ptr[5] * x_ptr[0];
|
|
#endif
|
|
|
|
a_ptr += 6;
|
|
x_ptr += 2;
|
|
}
|
|
|
|
|
|
}
|
|
else
|
|
{
|
|
|
|
for( i = 0; i < n; i++ )
|
|
{
|
|
#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
|
|
temp_r0 += a_ptr[0] * x_ptr[0] - a_ptr[1] * x_ptr[1];
|
|
temp_i0 += a_ptr[0] * x_ptr[1] + a_ptr[1] * x_ptr[0];
|
|
temp_r1 += a_ptr[2] * x_ptr[0] - a_ptr[3] * x_ptr[1];
|
|
temp_i1 += a_ptr[2] * x_ptr[1] + a_ptr[3] * x_ptr[0];
|
|
temp_r2 += a_ptr[4] * x_ptr[0] - a_ptr[5] * x_ptr[1];
|
|
temp_i2 += a_ptr[4] * x_ptr[1] + a_ptr[5] * x_ptr[0];
|
|
#else
|
|
temp_r0 += a_ptr[0] * x_ptr[0] + a_ptr[1] * x_ptr[1];
|
|
temp_i0 += a_ptr[0] * x_ptr[1] - a_ptr[1] * x_ptr[0];
|
|
temp_r1 += a_ptr[2] * x_ptr[0] + a_ptr[3] * x_ptr[1];
|
|
temp_i1 += a_ptr[2] * x_ptr[1] - a_ptr[3] * x_ptr[0];
|
|
temp_r2 += a_ptr[4] * x_ptr[0] + a_ptr[5] * x_ptr[1];
|
|
temp_i2 += a_ptr[4] * x_ptr[1] - a_ptr[5] * x_ptr[0];
|
|
#endif
|
|
|
|
a_ptr += lda;
|
|
x_ptr += inc_x;
|
|
}
|
|
|
|
}
|
|
#if !defined(XCONJ)
|
|
y_ptr[0] += alpha_r * temp_r0 - alpha_i * temp_i0;
|
|
y_ptr[1] += alpha_r * temp_i0 + alpha_i * temp_r0;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += alpha_r * temp_r1 - alpha_i * temp_i1;
|
|
y_ptr[1] += alpha_r * temp_i1 + alpha_i * temp_r1;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += alpha_r * temp_r2 - alpha_i * temp_i2;
|
|
y_ptr[1] += alpha_r * temp_i2 + alpha_i * temp_r2;
|
|
#else
|
|
y_ptr[0] += alpha_r * temp_r0 + alpha_i * temp_i0;
|
|
y_ptr[1] -= alpha_r * temp_i0 - alpha_i * temp_r0;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += alpha_r * temp_r1 + alpha_i * temp_i1;
|
|
y_ptr[1] -= alpha_r * temp_i1 - alpha_i * temp_r1;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += alpha_r * temp_r2 + alpha_i * temp_i2;
|
|
y_ptr[1] -= alpha_r * temp_i2 - alpha_i * temp_r2;
|
|
#endif
|
|
return(0);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return(0);
|
|
}
|
|
|
|
|