584 lines
16 KiB
C
584 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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#if (defined(__GNUC__) && __GNUC__ > 11)
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#pragma GCC optimize("no-tree-vectorize")
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#endif
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#include "common.h"
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#if defined(HASWELL) || defined(ZEN) || defined (SKYLAKEX) || defined (COOPERLAKE) || defined (SAPPHIRERAPIDS)
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#include "cgemv_t_microk_haswell-4.c"
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#elif defined(BULLDOZER) || defined(PILEDRIVER) || defined(STEAMROLLER) || defined(EXCAVATOR)
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#include "cgemv_t_microk_bulldozer-4.c"
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#endif
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#define NBMAX 2048
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#ifndef HAVE_KERNEL_4x4
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static void cgemv_kernel_4x4(BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
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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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FLOAT alpha_r = alpha[0];
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FLOAT alpha_i = alpha[1];
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FLOAT temp_r0 = 0.0;
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FLOAT temp_r1 = 0.0;
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FLOAT temp_r2 = 0.0;
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FLOAT temp_r3 = 0.0;
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FLOAT temp_i0 = 0.0;
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FLOAT temp_i1 = 0.0;
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FLOAT temp_i2 = 0.0;
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FLOAT temp_i3 = 0.0;
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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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temp_r0 += a0[i]*x[i] - a0[i+1]*x[i+1];
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temp_i0 += a0[i]*x[i+1] + a0[i+1]*x[i];
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temp_r1 += a1[i]*x[i] - a1[i+1]*x[i+1];
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temp_i1 += a1[i]*x[i+1] + a1[i+1]*x[i];
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temp_r2 += a2[i]*x[i] - a2[i+1]*x[i+1];
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temp_i2 += a2[i]*x[i+1] + a2[i+1]*x[i];
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temp_r3 += a3[i]*x[i] - a3[i+1]*x[i+1];
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temp_i3 += a3[i]*x[i+1] + a3[i+1]*x[i];
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#else
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temp_r0 += a0[i]*x[i] + a0[i+1]*x[i+1];
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temp_i0 += a0[i]*x[i+1] - a0[i+1]*x[i];
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temp_r1 += a1[i]*x[i] + a1[i+1]*x[i+1];
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temp_i1 += a1[i]*x[i+1] - a1[i+1]*x[i];
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temp_r2 += a2[i]*x[i] + a2[i+1]*x[i+1];
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temp_i2 += a2[i]*x[i+1] - a2[i+1]*x[i];
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temp_r3 += a3[i]*x[i] + a3[i+1]*x[i+1];
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temp_i3 += a3[i]*x[i+1] - a3[i+1]*x[i];
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#endif
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}
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#if !defined(XCONJ)
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y[0] += alpha_r * temp_r0 - alpha_i * temp_i0;
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y[1] += alpha_r * temp_i0 + alpha_i * temp_r0;
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y[2] += alpha_r * temp_r1 - alpha_i * temp_i1;
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y[3] += alpha_r * temp_i1 + alpha_i * temp_r1;
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y[4] += alpha_r * temp_r2 - alpha_i * temp_i2;
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y[5] += alpha_r * temp_i2 + alpha_i * temp_r2;
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y[6] += alpha_r * temp_r3 - alpha_i * temp_i3;
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y[7] += alpha_r * temp_i3 + alpha_i * temp_r3;
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#else
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y[0] += alpha_r * temp_r0 + alpha_i * temp_i0;
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y[1] -= alpha_r * temp_i0 - alpha_i * temp_r0;
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y[2] += alpha_r * temp_r1 + alpha_i * temp_i1;
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y[3] -= alpha_r * temp_i1 - alpha_i * temp_r1;
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y[4] += alpha_r * temp_r2 + alpha_i * temp_i2;
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y[5] -= alpha_r * temp_i2 - alpha_i * temp_r2;
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y[6] += alpha_r * temp_r3 + alpha_i * temp_i3;
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y[7] -= alpha_r * temp_i3 - alpha_i * temp_r3;
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#endif
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}
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#endif
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#ifndef HAVE_KERNEL_4x2
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static void cgemv_kernel_4x2(BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
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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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FLOAT alpha_r = alpha[0];
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FLOAT alpha_i = alpha[1];
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FLOAT temp_r0 = 0.0;
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FLOAT temp_r1 = 0.0;
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FLOAT temp_i0 = 0.0;
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FLOAT temp_i1 = 0.0;
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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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temp_r0 += a0[i]*x[i] - a0[i+1]*x[i+1];
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temp_i0 += a0[i]*x[i+1] + a0[i+1]*x[i];
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temp_r1 += a1[i]*x[i] - a1[i+1]*x[i+1];
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temp_i1 += a1[i]*x[i+1] + a1[i+1]*x[i];
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#else
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temp_r0 += a0[i]*x[i] + a0[i+1]*x[i+1];
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temp_i0 += a0[i]*x[i+1] - a0[i+1]*x[i];
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temp_r1 += a1[i]*x[i] + a1[i+1]*x[i+1];
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temp_i1 += a1[i]*x[i+1] - a1[i+1]*x[i];
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#endif
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}
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#if !defined(XCONJ)
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y[0] += alpha_r * temp_r0 - alpha_i * temp_i0;
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y[1] += alpha_r * temp_i0 + alpha_i * temp_r0;
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y[2] += alpha_r * temp_r1 - alpha_i * temp_i1;
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y[3] += alpha_r * temp_i1 + alpha_i * temp_r1;
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#else
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y[0] += alpha_r * temp_r0 + alpha_i * temp_i0;
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y[1] -= alpha_r * temp_i0 - alpha_i * temp_r0;
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y[2] += alpha_r * temp_r1 + alpha_i * temp_i1;
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y[3] -= alpha_r * temp_i1 - alpha_i * temp_r1;
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#endif
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}
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#endif
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#ifndef HAVE_KERNEL_4x1
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static void cgemv_kernel_4x1(BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
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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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FLOAT alpha_r = alpha[0];
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FLOAT alpha_i = alpha[1];
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FLOAT temp_r0 = 0.0;
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FLOAT temp_i0 = 0.0;
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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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temp_r0 += a0[i]*x[i] - a0[i+1]*x[i+1];
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temp_i0 += a0[i]*x[i+1] + a0[i+1]*x[i];
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#else
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temp_r0 += a0[i]*x[i] + a0[i+1]*x[i+1];
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temp_i0 += a0[i]*x[i+1] - a0[i+1]*x[i];
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#endif
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}
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#if !defined(XCONJ)
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y[0] += alpha_r * temp_r0 - alpha_i * temp_i0;
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y[1] += alpha_r * temp_i0 + alpha_i * temp_r0;
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#else
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y[0] += alpha_r * temp_r0 + alpha_i * temp_i0;
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y[1] -= alpha_r * temp_i0 - alpha_i * temp_r0;
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#endif
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}
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#endif
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static void copy_x(BLASLONG n, FLOAT *src, FLOAT *dest, BLASLONG inc_src)
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{
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BLASLONG i;
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for ( i=0; i<n; i++ )
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{
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*dest = *src;
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*(dest+1) = *(src+1);
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dest+=2;
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src += inc_src;
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}
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}
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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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BLASLONG j;
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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[8];
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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 ybuffer[8],*xbuffer;
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FLOAT alpha[2];
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if ( m < 1 ) return(0);
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if ( n < 1 ) return(0);
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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 = lda << 2;
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xbuffer = buffer;
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n1 = n >> 2 ;
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n2 = n & 3 ;
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m3 = m & 3 ;
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m1 = m - m3;
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m2 = (m & (NBMAX-1)) - m3 ;
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alpha[0] = alpha_r;
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alpha[1] = alpha_i;
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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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y_ptr = y;
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a_ptr = a;
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x_ptr = x;
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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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if ( inc_x != 2 )
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copy_x(NB,x_ptr,xbuffer,inc_x);
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else
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xbuffer = x_ptr;
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if ( inc_y == 2 )
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{
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for( i = 0; i < n1 ; i++)
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{
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cgemv_kernel_4x4(NB,ap,xbuffer,y_ptr,alpha);
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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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y_ptr += 8;
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}
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if ( n2 & 2 )
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{
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cgemv_kernel_4x2(NB,ap,xbuffer,y_ptr,alpha);
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a_ptr += lda * 2;
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y_ptr += 4;
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}
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if ( n2 & 1 )
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{
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cgemv_kernel_4x1(NB,a_ptr,xbuffer,y_ptr,alpha);
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/* a_ptr += lda;
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y_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 < n1 ; i++)
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{
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memset(ybuffer,0,32);
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cgemv_kernel_4x4(NB,ap,xbuffer,ybuffer,alpha);
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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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y_ptr[0] += ybuffer[0];
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y_ptr[1] += ybuffer[1];
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y_ptr += inc_y;
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y_ptr[0] += ybuffer[2];
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y_ptr[1] += ybuffer[3];
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y_ptr += inc_y;
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y_ptr[0] += ybuffer[4];
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y_ptr[1] += ybuffer[5];
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y_ptr += inc_y;
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y_ptr[0] += ybuffer[6];
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y_ptr[1] += ybuffer[7];
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y_ptr += inc_y;
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}
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for( i = 0; i < n2 ; i++)
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{
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memset(ybuffer,0,32);
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cgemv_kernel_4x1(NB,a_ptr,xbuffer,ybuffer,alpha);
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a_ptr += lda;
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y_ptr[0] += ybuffer[0];
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y_ptr[1] += ybuffer[1];
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y_ptr += inc_y;
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}
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}
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a += 2 * NB;
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x += NB * inc_x;
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}
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if ( m3 == 0 ) return(0);
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x_ptr = x;
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j=0;
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a_ptr = a;
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y_ptr = y;
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if ( m3 == 3 )
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{
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FLOAT temp_r ;
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FLOAT temp_i ;
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FLOAT x0 = x_ptr[0];
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FLOAT x1 = x_ptr[1];
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x_ptr += inc_x;
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FLOAT x2 = x_ptr[0];
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FLOAT x3 = x_ptr[1];
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x_ptr += inc_x;
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FLOAT x4 = x_ptr[0];
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FLOAT x5 = x_ptr[1];
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while ( j < n)
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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] * x0 - a_ptr[1] * x1;
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temp_i = a_ptr[0] * x1 + a_ptr[1] * x0;
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temp_r += a_ptr[2] * x2 - a_ptr[3] * x3;
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temp_i += a_ptr[2] * x3 + a_ptr[3] * x2;
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temp_r += a_ptr[4] * x4 - a_ptr[5] * x5;
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temp_i += a_ptr[4] * x5 + a_ptr[5] * x4;
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#else
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temp_r = a_ptr[0] * x0 + a_ptr[1] * x1;
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temp_i = a_ptr[0] * x1 - a_ptr[1] * x0;
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temp_r += a_ptr[2] * x2 + a_ptr[3] * x3;
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temp_i += a_ptr[2] * x3 - a_ptr[3] * x2;
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temp_r += a_ptr[4] * x4 + a_ptr[5] * x5;
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temp_i += a_ptr[4] * x5 - a_ptr[5] * x4;
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#endif
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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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a_ptr += lda;
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y_ptr += inc_y;
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j++;
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}
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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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FLOAT temp_r ;
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FLOAT temp_i ;
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FLOAT temp_r1 ;
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FLOAT temp_i1 ;
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FLOAT x0 = x_ptr[0];
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FLOAT x1 = x_ptr[1];
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x_ptr += inc_x;
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FLOAT x2 = x_ptr[0];
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FLOAT x3 = x_ptr[1];
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FLOAT ar = alpha[0];
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FLOAT ai = alpha[1];
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while ( j < ( n & -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] * x0 - a_ptr[1] * x1;
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temp_i = a_ptr[0] * x1 + a_ptr[1] * x0;
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temp_r += a_ptr[2] * x2 - a_ptr[3] * x3;
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temp_i += a_ptr[2] * x3 + a_ptr[3] * x2;
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a_ptr += lda;
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temp_r1 = a_ptr[0] * x0 - a_ptr[1] * x1;
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temp_i1 = a_ptr[0] * x1 + a_ptr[1] * x0;
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temp_r1 += a_ptr[2] * x2 - a_ptr[3] * x3;
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temp_i1 += a_ptr[2] * x3 + a_ptr[3] * x2;
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#else
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temp_r = a_ptr[0] * x0 + a_ptr[1] * x1;
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temp_i = a_ptr[0] * x1 - a_ptr[1] * x0;
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temp_r += a_ptr[2] * x2 + a_ptr[3] * x3;
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temp_i += a_ptr[2] * x3 - a_ptr[3] * x2;
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a_ptr += lda;
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temp_r1 = a_ptr[0] * x0 + a_ptr[1] * x1;
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temp_i1 = a_ptr[0] * x1 - a_ptr[1] * x0;
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temp_r1 += a_ptr[2] * x2 + a_ptr[3] * x3;
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temp_i1 += a_ptr[2] * x3 - a_ptr[3] * x2;
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#endif
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#if !defined(XCONJ)
|
|
y_ptr[0] += ar * temp_r - ai * temp_i;
|
|
y_ptr[1] += ar * temp_i + ai * temp_r;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += ar * temp_r1 - ai * temp_i1;
|
|
y_ptr[1] += ar * temp_i1 + ai * temp_r1;
|
|
#else
|
|
y_ptr[0] += ar * temp_r + ai * temp_i;
|
|
y_ptr[1] -= ar * temp_i - ai * temp_r;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += ar * temp_r1 + ai * temp_i1;
|
|
y_ptr[1] -= ar * temp_i1 - ai * temp_r1;
|
|
#endif
|
|
|
|
a_ptr += lda;
|
|
y_ptr += inc_y;
|
|
j+=2;
|
|
}
|
|
|
|
|
|
while ( j < n)
|
|
{
|
|
#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
|
|
temp_r = a_ptr[0] * x0 - a_ptr[1] * x1;
|
|
temp_i = a_ptr[0] * x1 + a_ptr[1] * x0;
|
|
temp_r += a_ptr[2] * x2 - a_ptr[3] * x3;
|
|
temp_i += a_ptr[2] * x3 + a_ptr[3] * x2;
|
|
#else
|
|
|
|
temp_r = a_ptr[0] * x0 + a_ptr[1] * x1;
|
|
temp_i = a_ptr[0] * x1 - a_ptr[1] * x0;
|
|
temp_r += a_ptr[2] * x2 + a_ptr[3] * x3;
|
|
temp_i += a_ptr[2] * x3 - a_ptr[3] * x2;
|
|
#endif
|
|
|
|
#if !defined(XCONJ)
|
|
y_ptr[0] += ar * temp_r - ai * temp_i;
|
|
y_ptr[1] += ar * temp_i + ai * temp_r;
|
|
#else
|
|
y_ptr[0] += ar * temp_r + ai * temp_i;
|
|
y_ptr[1] -= ar * temp_i - ai * temp_r;
|
|
#endif
|
|
|
|
a_ptr += lda;
|
|
y_ptr += inc_y;
|
|
j++;
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
|
|
if ( m3 == 1 )
|
|
{
|
|
|
|
FLOAT temp_r ;
|
|
FLOAT temp_i ;
|
|
FLOAT temp_r1 ;
|
|
FLOAT temp_i1 ;
|
|
FLOAT x0 = x_ptr[0];
|
|
FLOAT x1 = x_ptr[1];
|
|
FLOAT ar = alpha[0];
|
|
FLOAT ai = alpha[1];
|
|
|
|
while ( j < ( n & -2 ))
|
|
{
|
|
#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
|
|
temp_r = a_ptr[0] * x0 - a_ptr[1] * x1;
|
|
temp_i = a_ptr[0] * x1 + a_ptr[1] * x0;
|
|
a_ptr += lda;
|
|
temp_r1 = a_ptr[0] * x0 - a_ptr[1] * x1;
|
|
temp_i1 = a_ptr[0] * x1 + a_ptr[1] * x0;
|
|
#else
|
|
|
|
temp_r = a_ptr[0] * x0 + a_ptr[1] * x1;
|
|
temp_i = a_ptr[0] * x1 - a_ptr[1] * x0;
|
|
a_ptr += lda;
|
|
temp_r1 = a_ptr[0] * x0 + a_ptr[1] * x1;
|
|
temp_i1 = a_ptr[0] * x1 - a_ptr[1] * x0;
|
|
#endif
|
|
|
|
#if !defined(XCONJ)
|
|
y_ptr[0] += ar * temp_r - ai * temp_i;
|
|
y_ptr[1] += ar * temp_i + ai * temp_r;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += ar * temp_r1 - ai * temp_i1;
|
|
y_ptr[1] += ar * temp_i1 + ai * temp_r1;
|
|
#else
|
|
y_ptr[0] += ar * temp_r + ai * temp_i;
|
|
y_ptr[1] -= ar * temp_i - ai * temp_r;
|
|
y_ptr += inc_y;
|
|
y_ptr[0] += ar * temp_r1 + ai * temp_i1;
|
|
y_ptr[1] -= ar * temp_i1 - ai * temp_r1;
|
|
#endif
|
|
|
|
a_ptr += lda;
|
|
y_ptr += inc_y;
|
|
j+=2;
|
|
}
|
|
|
|
while ( j < n)
|
|
{
|
|
#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
|
|
temp_r = a_ptr[0] * x0 - a_ptr[1] * x1;
|
|
temp_i = a_ptr[0] * x1 + a_ptr[1] * x0;
|
|
#else
|
|
|
|
temp_r = a_ptr[0] * x0 + a_ptr[1] * x1;
|
|
temp_i = a_ptr[0] * x1 - a_ptr[1] * x0;
|
|
#endif
|
|
|
|
#if !defined(XCONJ)
|
|
y_ptr[0] += ar * temp_r - ai * temp_i;
|
|
y_ptr[1] += ar * temp_i + ai * temp_r;
|
|
#else
|
|
y_ptr[0] += ar * temp_r + ai * temp_i;
|
|
y_ptr[1] -= ar * temp_i - ai * temp_r;
|
|
#endif
|
|
|
|
a_ptr += lda;
|
|
y_ptr += inc_y;
|
|
j++;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
return(0);
|
|
|
|
|
|
}
|
|
|
|
|