362 lines
8.8 KiB
C
362 lines
8.8 KiB
C
/*******************************************************************************
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Copyright (c) 2016, 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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#include "macros_msa.h"
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#if !defined(CONJ)
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#define OP2 +=
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#define OP3 -
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#define OP4 +
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#else
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#define OP2 -=
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#define OP3 +
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#define OP4 -
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#endif
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#define DOT16_KERNEL(OPR0, OPR1) \
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dot0 += (vx0r * vy0r); \
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dot0 OPR0## = (vx0i * vy0i); \
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dot1 OPR1## = (vx0i * vy0r); \
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dot1 += (vx0r * vy0i); \
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\
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dot0 += (vx1r * vy1r); \
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dot0 OPR0## = (vx1i * vy1i); \
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dot1 OPR1## = (vx1i * vy1r); \
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dot1 += (vx1r * vy1i); \
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\
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dot0 += (vx2r * vy2r); \
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dot0 OPR0## = (vx2i * vy2i); \
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dot1 OPR1## = (vx2i * vy2r); \
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dot1 += (vx2r * vy2i); \
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\
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dot0 += (vx3r * vy3r); \
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dot0 OPR0## = (vx3i * vy3i); \
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dot1 OPR1## = (vx3i * vy3r); \
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dot1 += (vx3r * vy3i);
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#define DOT12_KERNEL(OPR0, OPR1) \
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dot0 += (vx0r * vy0r); \
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dot0 OPR0## = (vx0i * vy0i); \
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dot1 OPR1## = (vx0i * vy0r); \
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dot1 += (vx0r * vy0i); \
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\
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dot0 += (vx1r * vy1r); \
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dot0 OPR0## = (vx1i * vy1i); \
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dot1 OPR1## = (vx1i * vy1r); \
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dot1 += (vx1r * vy1i); \
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\
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dot0 += (vx2r * vy2r); \
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dot0 OPR0## = (vx2i * vy2i); \
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dot1 OPR1## = (vx2i * vy2r); \
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dot1 += (vx2r * vy2i);
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#define DOT8_KERNEL(OPR0, OPR1) \
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dot0 += (vx0r * vy0r); \
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dot0 OPR0## = (vx0i * vy0i); \
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dot1 OPR1## = (vx0i * vy0r); \
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dot1 += (vx0r * vy0i); \
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\
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dot0 += (vx1r * vy1r); \
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dot0 OPR0## = (vx1i * vy1i); \
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dot1 OPR1## = (vx1i * vy1r); \
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dot1 += (vx1r * vy1i);
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#define DOT4_KERNEL(OPR0, OPR1) \
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dot0 += (vx0r * vy0r); \
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dot0 OPR0## = (vx0i * vy0i); \
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dot1 OPR1## = (vx0i * vy0r); \
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dot1 += (vx0r * vy0i);
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/* return float, x,y float */
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/* cdotc - CONJ */
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/* cdotu - !CONJ */
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#ifndef _MSC_VER
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#include <complex.h>
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FLOAT _Complex CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
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#else
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OPENBLAS_COMPLEX_FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
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#endif
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{
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BLASLONG i = 0;
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FLOAT dot[2];
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BLASLONG inc_x2;
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BLASLONG inc_y2;
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FLOAT x0, x1, x2, x3, x4, x5, x6, x7;
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FLOAT y0, y1, y2, y3, y4, y5, y6, y7;
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v4f32 vx0, vx1, vx2, vx3, vx4, vx5, vx6, vx7;
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v4f32 vy0, vy1, vy2, vy3, vy4, vy5, vy6, vy7;
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v4f32 vx0r, vx0i, vx1r, vx1i, vx2r, vx2i, vx3r, vx3i;
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v4f32 vy0r, vy0i, vy1r, vy1i, vy2r, vy2i, vy3r, vy3i;
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v4f32 dot0 = {0, 0, 0, 0};
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v4f32 dot1 = {0, 0, 0, 0};
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openblas_complex_float result;
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dot[0] = 0.0;
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dot[1] = 0.0;
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__real__(result) = 0.0;
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__imag__(result) = 0.0;
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if ( n < 1 ) return(result);
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if ((1 == inc_x) && (1 == inc_y))
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{
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for (i = (n >> 4); i--;)
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{
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LD_SP8_INC(x, 4, vx0, vx1, vx2, vx3, vx4, vx5, vx6, vx7);
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LD_SP8_INC(y, 4, vy0, vy1, vy2, vy3, vy4, vy5, vy6, vy7);
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PCKEVOD_W2_SP(vx1, vx0, vx0r, vx0i);
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PCKEVOD_W2_SP(vx3, vx2, vx1r, vx1i);
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PCKEVOD_W2_SP(vx5, vx4, vx2r, vx2i);
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PCKEVOD_W2_SP(vx7, vx6, vx3r, vx3i);
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PCKEVOD_W2_SP(vy1, vy0, vy0r, vy0i);
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PCKEVOD_W2_SP(vy3, vy2, vy1r, vy1i);
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PCKEVOD_W2_SP(vy5, vy4, vy2r, vy2i);
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PCKEVOD_W2_SP(vy7, vy6, vy3r, vy3i);
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#if !defined(CONJ)
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DOT16_KERNEL(-, +);
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#else
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DOT16_KERNEL(+, -);
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#endif
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}
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if (n & 15)
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{
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if ((n & 8) && (n & 4))
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{
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LD_SP4_INC(x, 4, vx0, vx1, vx2, vx3);
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LD_SP4_INC(y, 4, vy0, vy1, vy2, vy3);
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LD_SP2_INC(x, 4, vx4, vx5);
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LD_SP2_INC(y, 4, vy4, vy5);
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PCKEVOD_W2_SP(vx1, vx0, vx0r, vx0i);
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PCKEVOD_W2_SP(vx3, vx2, vx1r, vx1i);
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PCKEVOD_W2_SP(vx5, vx4, vx2r, vx2i);
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PCKEVOD_W2_SP(vy1, vy0, vy0r, vy0i);
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PCKEVOD_W2_SP(vy3, vy2, vy1r, vy1i);
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PCKEVOD_W2_SP(vy5, vy4, vy2r, vy2i);
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#if !defined(CONJ)
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DOT12_KERNEL(-, +);
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#else
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DOT12_KERNEL(+, -);
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#endif
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}
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else if (n & 8)
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{
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LD_SP4_INC(x, 4, vx0, vx1, vx2, vx3);
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LD_SP4_INC(y, 4, vy0, vy1, vy2, vy3);
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PCKEVOD_W2_SP(vx1, vx0, vx0r, vx0i);
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PCKEVOD_W2_SP(vx3, vx2, vx1r, vx1i);
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PCKEVOD_W2_SP(vy1, vy0, vy0r, vy0i);
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PCKEVOD_W2_SP(vy3, vy2, vy1r, vy1i);
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#if !defined(CONJ)
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DOT8_KERNEL(-, +);
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#else
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DOT8_KERNEL(+, -);
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#endif
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}
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else if (n & 4)
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{
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LD_SP2_INC(x, 4, vx0, vx1);
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LD_SP2_INC(y, 4, vy0, vy1);
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PCKEVOD_W2_SP(vx1, vx0, vx0r, vx0i);
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PCKEVOD_W2_SP(vy1, vy0, vy0r, vy0i);
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#if !defined(CONJ)
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DOT4_KERNEL(-, +);
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#else
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DOT4_KERNEL(+, -);
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#endif
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}
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if ((n & 2) && (n & 1))
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{
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LD_GP6_INC(x, 1, x0, x1, x2, x3, x4, x5);
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LD_GP6_INC(y, 1, y0, y1, y2, y3, y4, y5);
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dot[0] += ( x0 * y0 OP3 x1 * y1 );
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dot[1] OP2 ( x1 * y0 OP4 x0 * y1 );
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dot[0] += ( x2 * y2 OP3 x3 * y3 );
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dot[1] OP2 ( x3 * y2 OP4 x2 * y3 );
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dot[0] += ( x4 * y4 OP3 x5 * y5 );
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dot[1] OP2 ( x5 * y4 OP4 x4 * y5 );
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}
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else if (n & 2)
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{
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LD_GP4_INC(x, 1, x0, x1, x2, x3);
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LD_GP4_INC(y, 1, y0, y1, y2, y3);
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dot[0] += ( x0 * y0 OP3 x1 * y1 );
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dot[1] OP2 ( x1 * y0 OP4 x0 * y1 );
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dot[0] += ( x2 * y2 OP3 x3 * y3 );
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dot[1] OP2 ( x3 * y2 OP4 x2 * y3 );
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}
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else if (n & 1)
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{
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LD_GP2_INC(x, 1, x0, x1);
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LD_GP2_INC(y, 1, y0, y1);
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dot[0] += ( x0 * y0 OP3 x1 * y1 );
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dot[1] OP2 ( x1 * y0 OP4 x0 * y1 );
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}
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}
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dot[0] += (dot0[0] + dot0[1] + dot0[2] + dot0[3]);
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dot[1] += (dot1[0] + dot1[1] + dot1[2] + dot1[3]);
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}
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else
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{
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inc_x2 = 2 * inc_x;
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inc_y2 = 2 * inc_y;
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for (i = (n >> 2); i--;)
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{
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x0 = *x;
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x1 = *(x + 1);
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x += inc_x2;
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x2 = *x;
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x3 = *(x + 1);
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x += inc_x2;
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x4 = *x;
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x5 = *(x + 1);
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x += inc_x2;
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x6 = *x;
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x7 = *(x + 1);
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x += inc_x2;
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y0 = *y;
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y1 = *(y + 1);
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y += inc_y2;
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y2 = *y;
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y3 = *(y + 1);
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y += inc_y2;
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y4 = *y;
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y5 = *(y + 1);
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y += inc_y2;
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y6 = *y;
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y7 = *(y + 1);
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y += inc_y2;
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dot[0] += ( x0 * y0 OP3 x1 * y1 );
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dot[1] OP2 ( x1 * y0 OP4 x0 * y1 );
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dot[0] += ( x2 * y2 OP3 x3 * y3 );
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dot[1] OP2 ( x3 * y2 OP4 x2 * y3 );
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dot[0] += ( x4 * y4 OP3 x5 * y5 );
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dot[1] OP2 ( x5 * y4 OP4 x4 * y5 );
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dot[0] += ( x6 * y6 OP3 x7 * y7 );
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dot[1] OP2 ( x7 * y6 OP4 x6 * y7 );
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}
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if ((n & 2) && (n & 1))
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{
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x0 = *x;
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x1 = *(x + 1);
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x += inc_x2;
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x2 = *x;
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x3 = *(x + 1);
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x += inc_x2;
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x4 = *x;
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x5 = *(x + 1);
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x += inc_x2;
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y0 = *y;
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y1 = *(y + 1);
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y += inc_y2;
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y2 = *y;
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y3 = *(y + 1);
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y += inc_y2;
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y4 = *y;
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y5 = *(y + 1);
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y += inc_y2;
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dot[0] += ( x0 * y0 OP3 x1 * y1 );
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dot[1] OP2 ( x1 * y0 OP4 x0 * y1 );
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dot[0] += ( x2 * y2 OP3 x3 * y3 );
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dot[1] OP2 ( x3 * y2 OP4 x2 * y3 );
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dot[0] += ( x4 * y4 OP3 x5 * y5 );
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dot[1] OP2 ( x5 * y4 OP4 x4 * y5 );
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}
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else if (n & 2)
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{
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x0 = *x;
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x1 = *(x + 1);
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x += inc_x2;
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x2 = *x;
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x3 = *(x + 1);
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x += inc_x2;
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y0 = *y;
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y1 = *(y + 1);
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y += inc_y2;
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y2 = *y;
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y3 = *(y + 1);
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y += inc_y2;
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dot[0] += ( x0 * y0 OP3 x1 * y1 );
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dot[1] OP2 ( x1 * y0 OP4 x0 * y1 );
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dot[0] += ( x2 * y2 OP3 x3 * y3 );
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dot[1] OP2 ( x3 * y2 OP4 x2 * y3 );
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}
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else if (n & 1)
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{
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x0 = *x;
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x1 = *(x + 1);
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x += inc_x2;
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y0 = *y;
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y1 = *(y + 1);
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y += inc_y2;
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dot[0] += ( x0 * y0 OP3 x1 * y1 );
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dot[1] OP2 ( x1 * y0 OP4 x0 * y1 );
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}
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}
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__real__(result) = dot[0];
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__imag__(result) = dot[1];
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return(result);
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}
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