372 lines
14 KiB
C
372 lines
14 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 OP1 -=
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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 OP1 +=
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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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OPENBLAS_COMPLEX_FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
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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, inc_y2;
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v2f64 vx0, vx1, vx2, vx3, vx4, vx5, vx6, vx7, vx8, vx9, vx10, vx11;
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v2f64 vy0, vy1, vy2, vy3, vy4, vy5, vy6, vy7, vy8, vy9, vy10, vy11;
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v2f64 vx0r, vx0i, vx1r, vx1i, vx2r, vx2i, vx3r, vx3i;
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v2f64 vy0r, vy0i, vy1r, vy1i, vy2r, vy2i, vy3r, vy3i;
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v2f64 dot0 = {0, 0};
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v2f64 dot1 = {0, 0};
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v2f64 dot2 = {0, 0};
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v2f64 dot3 = {0, 0};
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v2f64 dot4 = {0, 0};
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v2f64 dot5 = {0, 0};
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v2f64 dot6 = {0, 0};
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v2f64 dot7 = {0, 0};
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v2f64 zero = {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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CREAL(result) = 0.0;
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CIMAG(result) = 0.0;
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if (n < 1) return (result);
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inc_x2 = 2 * inc_x;
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inc_y2 = 2 * inc_y;
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if ((1 == inc_x) && (1 == inc_y))
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{
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if (n > 7)
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{
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FLOAT *x_pref, *y_pref;
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BLASLONG pref_offset;
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pref_offset = (BLASLONG)x & (L1_DATA_LINESIZE - 1);
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if (pref_offset > 0)
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{
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pref_offset = L1_DATA_LINESIZE - pref_offset;
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pref_offset = pref_offset / sizeof(FLOAT);
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}
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x_pref = x + pref_offset + 32 + 8;
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pref_offset = (BLASLONG)y & (L1_DATA_LINESIZE - 1);
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if (pref_offset > 0)
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{
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pref_offset = L1_DATA_LINESIZE - pref_offset;
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pref_offset = pref_offset / sizeof(FLOAT);
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}
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y_pref = y + pref_offset + 32 + 8;
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LD_DP4_INC(x, 2, vx0, vx1, vx2, vx3);
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LD_DP4_INC(y, 2, vy0, vy1, vy2, vy3);
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PCKEVOD_D2_DP(vx1, vx0, vx0r, vx0i);
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PCKEVOD_D2_DP(vy1, vy0, vy0r, vy0i);
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for (i = (n >> 3) - 1; i--;)
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{
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PREF_OFFSET(x_pref, 0);
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PREF_OFFSET(x_pref, 32);
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PREF_OFFSET(x_pref, 64);
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PREF_OFFSET(x_pref, 96);
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PREF_OFFSET(y_pref, 0);
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PREF_OFFSET(y_pref, 32);
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PREF_OFFSET(y_pref, 64);
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PREF_OFFSET(y_pref, 96);
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x_pref += 16;
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y_pref += 16;
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vx4 = LD_DP(x); x += 2;
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vx1r = (v2f64) __msa_pckev_d((v2i64) vx3, (v2i64) vx2);
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dot0 += (vx0r * vy0r);
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vx5 = LD_DP(x); x += 2;
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vx1i = (v2f64) __msa_pckod_d((v2i64) vx3, (v2i64) vx2);
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dot1 OP2 (vx0i * vy0r);
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vy4 = LD_DP(y); y += 2;
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vy1r = (v2f64) __msa_pckev_d((v2i64) vy3, (v2i64) vy2);
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dot2 += (vx1r * vy1r);
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vy5 = LD_DP(y); y += 2;
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vy1i = (v2f64) __msa_pckod_d((v2i64) vy3, (v2i64) vy2);
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dot3 OP2 (vx1i * vy1r);
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vx6 = LD_DP(x); x += 2;
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vx7 = LD_DP(x); x += 2;
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vy6 = LD_DP(y); y += 2;
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vy7 = LD_DP(y); y += 2;
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vx8 = LD_DP(x); x += 2;
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dot0 OP1 (vx0i * vy0i);
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vx9 = LD_DP(x); x += 2;
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vx2r = (v2f64) __msa_pckev_d((v2i64) vx5, (v2i64) vx4);
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dot1 += (vx0r * vy0i);
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vy8 = LD_DP(y); y += 2;
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vx2i = (v2f64) __msa_pckod_d((v2i64) vx5, (v2i64) vx4);
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dot2 OP1 (vx1i * vy1i);
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vy9 = LD_DP(y); y += 2;
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vy2r = (v2f64) __msa_pckev_d((v2i64) vy5, (v2i64) vy4);
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dot3 += (vx1r * vy1i);
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vx10 = LD_DP(x); x += 2;
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vy2i = (v2f64) __msa_pckod_d((v2i64) vy5, (v2i64) vy4);
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vx11 = LD_DP(x); x += 2;
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vx3r = (v2f64) __msa_pckev_d((v2i64) vx7, (v2i64) vx6);
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dot4 += (vx2r * vy2r);
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vy10 = LD_DP(y); y += 2;
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vx3i = (v2f64) __msa_pckod_d((v2i64) vx7, (v2i64) vx6);
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dot5 OP2 (vx2i * vy2r);
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vy11 = LD_DP(y); y += 2;
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vy3r = (v2f64) __msa_pckev_d((v2i64) vy7, (v2i64) vy6);
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vy3i = (v2f64) __msa_pckod_d((v2i64) vy7, (v2i64) vy6);
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dot6 += (vx3r * vy3r);
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vx0r = (v2f64) __msa_pckev_d((v2i64) vx9, (v2i64) vx8);
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dot7 OP2 (vx3i * vy3r);
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vx0i = (v2f64) __msa_pckod_d((v2i64) vx9, (v2i64) vx8);
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vy0r = (v2f64) __msa_pckev_d((v2i64) vy9, (v2i64) vy8);
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vx2 = vx10;
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vy0i = (v2f64) __msa_pckod_d((v2i64) vy9, (v2i64) vy8);
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vx3 = vx11;
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dot4 OP1 (vx2i * vy2i);
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vy2 = vy10;
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dot5 += (vx2r * vy2i);
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vy3 = vy11;
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dot6 OP1 (vx3i * vy3i);
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dot7 += (vx3r * vy3i);
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}
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vx4 = LD_DP(x); x += 2;
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vx1r = (v2f64) __msa_pckev_d((v2i64) vx3, (v2i64) vx2);
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dot0 += (vx0r * vy0r);
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vx5 = LD_DP(x); x += 2;
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vx1i = (v2f64) __msa_pckod_d((v2i64) vx3, (v2i64) vx2);
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dot1 OP2 (vx0i * vy0r);
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vy4 = LD_DP(y); y += 2;
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vy1r = (v2f64) __msa_pckev_d((v2i64) vy3, (v2i64) vy2);
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dot2 += (vx1r * vy1r);
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vy5 = LD_DP(y); y += 2;
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vy1i = (v2f64) __msa_pckod_d((v2i64) vy3, (v2i64) vy2);
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dot3 OP2 (vx1i * vy1r);
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vx6 = LD_DP(x); x += 2;
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vx7 = LD_DP(x); x += 2;
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vy6 = LD_DP(y); y += 2;
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vy7 = LD_DP(y); y += 2;
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dot0 OP1 (vx0i * vy0i);
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vx2r = (v2f64) __msa_pckev_d((v2i64) vx5, (v2i64) vx4);
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dot1 += (vx0r * vy0i);
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vx2i = (v2f64) __msa_pckod_d((v2i64) vx5, (v2i64) vx4);
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dot2 OP1 (vx1i * vy1i);
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vy2r = (v2f64) __msa_pckev_d((v2i64) vy5, (v2i64) vy4);
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dot3 += (vx1r * vy1i);
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vy2i = (v2f64) __msa_pckod_d((v2i64) vy5, (v2i64) vy4);
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vx3r = (v2f64) __msa_pckev_d((v2i64) vx7, (v2i64) vx6);
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dot4 += (vx2r * vy2r);
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vx3i = (v2f64) __msa_pckod_d((v2i64) vx7, (v2i64) vx6);
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dot5 OP2 (vx2i * vy2r);
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vy3r = (v2f64) __msa_pckev_d((v2i64) vy7, (v2i64) vy6);
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vy3i = (v2f64) __msa_pckod_d((v2i64) vy7, (v2i64) vy6);
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dot6 += (vx3r * vy3r);
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dot7 OP2 (vx3i * vy3r);
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dot4 OP1 (vx2i * vy2i);
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dot5 += (vx2r * vy2i);
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dot6 OP1 (vx3i * vy3i);
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dot7 += (vx3r * vy3i);
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}
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}
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else if (n > 7)
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{
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LD_DP4_INC(x, inc_x2, vx0, vx1, vx2, vx3);
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LD_DP4_INC(y, inc_y2, vy0, vy1, vy2, vy3);
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PCKEVOD_D2_DP(vx1, vx0, vx0r, vx0i);
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PCKEVOD_D2_DP(vy1, vy0, vy0r, vy0i);
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for (i = (n >> 3) - 1; i--;)
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{
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vx4 = LD_DP(x); x += inc_x2;
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vx1r = (v2f64) __msa_pckev_d((v2i64) vx3, (v2i64) vx2);
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dot0 += (vx0r * vy0r);
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vx5 = LD_DP(x); x += inc_x2;
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vx1i = (v2f64) __msa_pckod_d((v2i64) vx3, (v2i64) vx2);
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dot1 OP2 (vx0i * vy0r);
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vy4 = LD_DP(y); y += inc_y2;
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vy1r = (v2f64) __msa_pckev_d((v2i64) vy3, (v2i64) vy2);
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dot2 += (vx1r * vy1r);
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vy5 = LD_DP(y); y += inc_y2;
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vy1i = (v2f64) __msa_pckod_d((v2i64) vy3, (v2i64) vy2);
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dot3 OP2 (vx1i * vy1r);
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vx6 = LD_DP(x); x += inc_x2;
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vx7 = LD_DP(x); x += inc_x2;
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vy6 = LD_DP(y); y += inc_y2;
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vy7 = LD_DP(y); y += inc_y2;
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vx8 = LD_DP(x); x += inc_x2;
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dot0 OP1 (vx0i * vy0i);
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vx9 = LD_DP(x); x += inc_x2;
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vx2r = (v2f64) __msa_pckev_d((v2i64) vx5, (v2i64) vx4);
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dot1 += (vx0r * vy0i);
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vy8 = LD_DP(y); y += inc_y2;
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vx2i = (v2f64) __msa_pckod_d((v2i64) vx5, (v2i64) vx4);
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dot2 OP1 (vx1i * vy1i);
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vy9 = LD_DP(y); y += inc_y2;
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vy2r = (v2f64) __msa_pckev_d((v2i64) vy5, (v2i64) vy4);
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dot3 += (vx1r * vy1i);
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vx10 = LD_DP(x); x += inc_x2;
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vy2i = (v2f64) __msa_pckod_d((v2i64) vy5, (v2i64) vy4);
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vx11 = LD_DP(x); x += inc_x2;
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vx3r = (v2f64) __msa_pckev_d((v2i64) vx7, (v2i64) vx6);
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dot4 += (vx2r * vy2r);
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vy10 = LD_DP(y); y += inc_y2;
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vx3i = (v2f64) __msa_pckod_d((v2i64) vx7, (v2i64) vx6);
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dot5 OP2 (vx2i * vy2r);
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vy11 = LD_DP(y); y += inc_y2;
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vy3r = (v2f64) __msa_pckev_d((v2i64) vy7, (v2i64) vy6);
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vy3i = (v2f64) __msa_pckod_d((v2i64) vy7, (v2i64) vy6);
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dot6 += (vx3r * vy3r);
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vx0r = (v2f64) __msa_pckev_d((v2i64) vx9, (v2i64) vx8);
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dot7 OP2 (vx3i * vy3r);
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vx0i = (v2f64) __msa_pckod_d((v2i64) vx9, (v2i64) vx8);
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vy0r = (v2f64) __msa_pckev_d((v2i64) vy9, (v2i64) vy8);
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vx2 = vx10;
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vy0i = (v2f64) __msa_pckod_d((v2i64) vy9, (v2i64) vy8);
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vx3 = vx11;
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dot4 OP1 (vx2i * vy2i);
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vy2 = vy10;
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dot5 += (vx2r * vy2i);
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vy3 = vy11;
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dot6 OP1 (vx3i * vy3i);
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dot7 += (vx3r * vy3i);
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}
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vx4 = LD_DP(x); x += inc_x2;
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vx1r = (v2f64) __msa_pckev_d((v2i64) vx3, (v2i64) vx2);
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dot0 += (vx0r * vy0r);
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vx5 = LD_DP(x); x += inc_x2;
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vx1i = (v2f64) __msa_pckod_d((v2i64) vx3, (v2i64) vx2);
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dot1 OP2 (vx0i * vy0r);
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vy4 = LD_DP(y); y += inc_y2;
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vy1r = (v2f64) __msa_pckev_d((v2i64) vy3, (v2i64) vy2);
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dot2 += (vx1r * vy1r);
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vy5 = LD_DP(y); y += inc_y2;
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vy1i = (v2f64) __msa_pckod_d((v2i64) vy3, (v2i64) vy2);
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dot3 OP2 (vx1i * vy1r);
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vx6 = LD_DP(x); x += inc_x2;
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vx7 = LD_DP(x); x += inc_x2;
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vy6 = LD_DP(y); y += inc_y2;
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vy7 = LD_DP(y); y += inc_y2;
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dot0 OP1 (vx0i * vy0i);
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vx2r = (v2f64) __msa_pckev_d((v2i64) vx5, (v2i64) vx4);
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dot1 += (vx0r * vy0i);
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vx2i = (v2f64) __msa_pckod_d((v2i64) vx5, (v2i64) vx4);
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dot2 OP1 (vx1i * vy1i);
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vy2r = (v2f64) __msa_pckev_d((v2i64) vy5, (v2i64) vy4);
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dot3 += (vx1r * vy1i);
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vy2i = (v2f64) __msa_pckod_d((v2i64) vy5, (v2i64) vy4);
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vx3r = (v2f64) __msa_pckev_d((v2i64) vx7, (v2i64) vx6);
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dot4 += (vx2r * vy2r);
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vx3i = (v2f64) __msa_pckod_d((v2i64) vx7, (v2i64) vx6);
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dot5 OP2 (vx2i * vy2r);
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vy3r = (v2f64) __msa_pckev_d((v2i64) vy7, (v2i64) vy6);
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vy3i = (v2f64) __msa_pckod_d((v2i64) vy7, (v2i64) vy6);
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dot6 += (vx3r * vy3r);
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dot7 OP2 (vx3i * vy3r);
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dot4 OP1 (vx2i * vy2i);
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dot5 += (vx2r * vy2i);
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dot6 OP1 (vx3i * vy3i);
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dot7 += (vx3r * vy3i);
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}
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if (n & 7)
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{
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if (n & 4)
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{
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LD_DP4_INC(x, inc_x2, vx0, vx1, vx2, vx3);
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LD_DP4_INC(y, inc_y2, vy0, vy1, vy2, vy3);
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PCKEVOD_D2_DP(vx1, vx0, vx0r, vx0i);
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PCKEVOD_D2_DP(vx3, vx2, vx1r, vx1i);
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PCKEVOD_D2_DP(vy1, vy0, vy0r, vy0i);
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PCKEVOD_D2_DP(vy3, vy2, vy1r, vy1i);
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dot0 += (vx0r * vy0r);
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dot0 OP1 (vx0i * vy0i);
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dot1 OP2 (vx0i * vy0r);
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dot1 += (vx0r * vy0i);
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dot2 += (vx1r * vy1r);
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dot2 OP1 (vx1i * vy1i);
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dot3 OP2 (vx1i * vy1r);
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dot3 += (vx1r * vy1i);
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}
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if (n & 2)
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{
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LD_DP2_INC(x, inc_x2, vx0, vx1);
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LD_DP2_INC(y, inc_y2, vy0, vy1);
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PCKEVOD_D2_DP(vx1, vx0, vx0r, vx0i);
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PCKEVOD_D2_DP(vy1, vy0, vy0r, vy0i);
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dot0 += (vx0r * vy0r);
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dot0 OP1 (vx0i * vy0i);
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dot1 OP2 (vx0i * vy0r);
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dot1 += (vx0r * vy0i);
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}
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|
|
if (n & 1)
|
|
{
|
|
vx0 = LD_DP(x);
|
|
vy0 = LD_DP(y);
|
|
PCKEVOD_D2_DP(zero, vx0, vx0r, vx0i);
|
|
PCKEVOD_D2_DP(zero, vy0, vy0r, vy0i);
|
|
|
|
dot0 += (vx0r * vy0r);
|
|
dot0 OP1 (vx0i * vy0i);
|
|
dot1 OP2 (vx0i * vy0r);
|
|
dot1 += (vx0r * vy0i);
|
|
}
|
|
}
|
|
|
|
dot0 += dot2 + dot4 + dot6;
|
|
dot1 += dot3 + dot5 + dot7;
|
|
|
|
dot[0] += (dot0[0] + dot0[1]);
|
|
dot[1] += (dot1[0] + dot1[1]);
|
|
|
|
CREAL(result) = dot[0];
|
|
CIMAG(result) = dot[1];
|
|
|
|
return (result);
|
|
}
|