598 lines
21 KiB
C
598 lines
21 KiB
C
/***************************************************************************
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Copyright (c) 2019, 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(__VEC__) || !defined(__ALTIVEC__)
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#include "../arm/zgemv_n.c"
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#else
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#include <stdlib.h>
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#include <stdio.h>
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#include "common.h"
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#include <altivec.h>
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#define NBMAX 1024
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static const unsigned char __attribute__((aligned(16))) swap_mask_arr[]={ 4,5,6,7,0,1,2,3, 12,13,14,15, 8,9,10,11};
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static void cgemv_kernel_4x4(BLASLONG n, BLASLONG lda, FLOAT *ap, FLOAT *x, FLOAT *y) {
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FLOAT *a0, *a1, *a2, *a3;
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a0 = ap;
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a1 = ap + lda;
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a2 = a1 + lda;
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a3 = a2 + lda;
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__vector unsigned char swap_mask = *((__vector unsigned char*)swap_mask_arr);
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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register __vector float vx0_r = {x[0], x[0],x[0], x[0]};
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register __vector float vx0_i = {-x[1], x[1],-x[1], x[1]};
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register __vector float vx1_r = {x[2], x[2],x[2], x[2]};
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register __vector float vx1_i = {-x[3], x[3],-x[3], x[3]};
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register __vector float vx2_r = {x[4], x[4],x[4], x[4]};
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register __vector float vx2_i = {-x[5], x[5],-x[5], x[5]};
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register __vector float vx3_r = {x[6], x[6],x[6], x[6]};
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register __vector float vx3_i = {-x[7], x[7],-x[7], x[7]};
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#else
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register __vector float vx0_r = {x[0], -x[0],x[0], -x[0]};
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register __vector float vx0_i = {x[1], x[1],x[1], x[1]};
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register __vector float vx1_r = {x[2], -x[2],x[2], -x[2]};
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register __vector float vx1_i = {x[3], x[3],x[3], x[3]};
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register __vector float vx2_r = {x[4], -x[4],x[4], -x[4]};
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register __vector float vx2_i = {x[5], x[5],x[5], x[5]};
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register __vector float vx3_r = {x[6], -x[6],x[6], -x[6]};
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register __vector float vx3_i = {x[7], x[7],x[7], x[7]};
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#endif
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register __vector float *vptr_y = (__vector float *) y;
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register __vector float *vptr_a0 = (__vector float *) a0;
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register __vector float *vptr_a1 = (__vector float *) a1;
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register __vector float *vptr_a2 = (__vector float *) a2;
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register __vector float *vptr_a3 = (__vector float *) a3;
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BLASLONG i = 0;
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BLASLONG i2=16;
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for (;i< n * 8; i+=32,i2+=32) {
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register __vector float vy_0 = vec_vsx_ld(i,vptr_y);
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register __vector float vy_1 = vec_vsx_ld(i2,vptr_y);
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register __vector float va0 = vec_vsx_ld(i,vptr_a0);
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register __vector float va1 = vec_vsx_ld(i, vptr_a1);
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register __vector float va2 = vec_vsx_ld(i ,vptr_a2);
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register __vector float va3 = vec_vsx_ld(i ,vptr_a3);
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register __vector float va0_1 = vec_vsx_ld(i2 ,vptr_a0);
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register __vector float va1_1 = vec_vsx_ld(i2 ,vptr_a1);
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register __vector float va2_1 = vec_vsx_ld(i2 ,vptr_a2);
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register __vector float va3_1 = vec_vsx_ld(i2 ,vptr_a3);
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vy_0 += va0*vx0_r + va1*vx1_r + va2*vx2_r + va3*vx3_r;
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vy_1 += va0_1*vx0_r + va1_1*vx1_r + va2_1*vx2_r + va3_1*vx3_r;
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va0 = vec_perm(va0, va0,swap_mask);
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va0_1 = vec_perm(va0_1, va0_1,swap_mask);
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va1 = vec_perm(va1, va1,swap_mask);
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va1_1 = vec_perm(va1_1, va1_1,swap_mask);
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va2 = vec_perm(va2, va2,swap_mask);
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va2_1 = vec_perm(va2_1, va2_1,swap_mask);
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va3 = vec_perm(va3, va3,swap_mask);
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va3_1 = vec_perm(va3_1, va3_1,swap_mask);
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vy_0 += va0*vx0_i + va1*vx1_i + va2*vx2_i + va3*vx3_i;
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vy_1 += va0_1*vx0_i + va1_1*vx1_i + va2_1*vx2_i + va3_1*vx3_i;
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vec_vsx_st(vy_0 ,i, vptr_y);
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vec_vsx_st(vy_1,i2,vptr_y);
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}
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}
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static void cgemv_kernel_4x2(BLASLONG n, BLASLONG lda, FLOAT *ap, FLOAT *x, FLOAT *y) {
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FLOAT *a0, *a1;
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a0 = ap;
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a1 = ap + lda;
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__vector unsigned char swap_mask = *((__vector unsigned char*)swap_mask_arr);
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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register __vector float vx0_r = {x[0], x[0],x[0], x[0]};
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register __vector float vx0_i = {-x[1], x[1],-x[1], x[1]};
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register __vector float vx1_r = {x[2], x[2],x[2], x[2]};
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register __vector float vx1_i = {-x[3], x[3],-x[3], x[3]};
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#else
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register __vector float vx0_r = {x[0], -x[0],x[0], -x[0]};
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register __vector float vx0_i = {x[1], x[1],x[1], x[1]};
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register __vector float vx1_r = {x[2], -x[2],x[2], -x[2]};
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register __vector float vx1_i = {x[3], x[3],x[3], x[3]};
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#endif
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register __vector float *vptr_y = (__vector float *) y;
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register __vector float *vptr_a0 = (__vector float *) a0;
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register __vector float *vptr_a1 = (__vector float *) a1;
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BLASLONG i = 0;
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BLASLONG i2 = 16;
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for (;i< n * 8; i+=32, i2+=32) {
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register __vector float vy_0 = vec_vsx_ld(i,vptr_y);
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register __vector float vy_1 = vec_vsx_ld(i2,vptr_y);
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register __vector float va0 = vec_vsx_ld(i,vptr_a0);
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register __vector float va1 = vec_vsx_ld(i, vptr_a1);
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register __vector float va0_1 = vec_vsx_ld(i2 ,vptr_a0);
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register __vector float va1_1 = vec_vsx_ld(i2 ,vptr_a1);
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register __vector float va0x = vec_perm(va0, va0,swap_mask);
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register __vector float va0x_1 = vec_perm(va0_1, va0_1,swap_mask);
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register __vector float va1x = vec_perm(va1, va1,swap_mask);
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register __vector float va1x_1 = vec_perm(va1_1, va1_1,swap_mask);
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vy_0 += va0*vx0_r + va1*vx1_r + va0x*vx0_i + va1x*vx1_i;
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vy_1 += va0_1*vx0_r + va1_1*vx1_r + va0x_1*vx0_i + va1x_1*vx1_i;
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vec_vsx_st(vy_0 ,i, vptr_y);
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vec_vsx_st(vy_1,i2,vptr_y);
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}
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}
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static void cgemv_kernel_4x1(BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y) {
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__vector unsigned char swap_mask = *((__vector unsigned char*)swap_mask_arr);
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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register __vector float vx0_r = {x[0], x[0],x[0], x[0]};
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register __vector float vx0_i = {-x[1], x[1],-x[1], x[1]};
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#else
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register __vector float vx0_r = {x[0], -x[0],x[0], -x[0]};
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register __vector float vx0_i = {x[1], x[1],x[1], x[1]};
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#endif
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register __vector float *vptr_y = (__vector float *) y;
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register __vector float *vptr_a0 = (__vector float *) ap;
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BLASLONG i = 0;
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BLASLONG i2 = 16;
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for (;i< n * 8; i+=32, i2+=32) {
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register __vector float vy_0 = vec_vsx_ld(i,vptr_y);
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register __vector float vy_1 = vec_vsx_ld(i2,vptr_y);
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register __vector float va0 = vec_vsx_ld(i,vptr_a0);
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register __vector float va0_1 = vec_vsx_ld(i2 ,vptr_a0);
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register __vector float va0x = vec_perm(va0, va0,swap_mask);
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register __vector float va0x_1 = vec_perm(va0_1, va0_1,swap_mask);
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vy_0 += va0*vx0_r + va0x*vx0_i;
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vy_1 += va0_1*vx0_r + va0x_1*vx0_i;
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vec_vsx_st(vy_0 ,i, vptr_y);
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vec_vsx_st(vy_1,i2,vptr_y);
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}
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}
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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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BLASLONG i=0;
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if (inc_dest != 2) {
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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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} else {
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__vector unsigned char swap_mask = *((__vector unsigned char*)swap_mask_arr);
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#if !defined(XCONJ)
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register __vector float valpha_r = {alpha_r, alpha_r, alpha_r, alpha_r};
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register __vector float valpha_i = {-alpha_i, alpha_i, -alpha_i, alpha_i};
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#else
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register __vector float valpha_r = {alpha_r, -alpha_r, alpha_r, -alpha_r};
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register __vector float valpha_i = {alpha_i, alpha_i, alpha_i, alpha_i};
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#endif
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register __vector float *vptr_src = (__vector float *) src;
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register __vector float *vptr_y = (__vector float *) dest;
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BLASLONG i2 = 16;
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for (;i< n * 8; i+=32, i2+=32) {
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register __vector float vy_0 = vec_vsx_ld(i,vptr_y);
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register __vector float vy_1 = vec_vsx_ld(i2,vptr_y);
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register __vector float vsrc = vec_vsx_ld(i,vptr_src);
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register __vector float vsrc_1 = vec_vsx_ld(i2,vptr_src);
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register __vector float vsrcx = vec_perm(vsrc, vsrc, swap_mask);
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register __vector float vsrcx_1 = vec_perm(vsrc_1, vsrc_1, swap_mask);
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vy_0 += vsrc*valpha_r + vsrcx*valpha_i;
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vy_1 += vsrc_1*valpha_r + vsrcx_1*valpha_i;
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vec_vsx_st(vy_0 ,i, vptr_y);
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vec_vsx_st(vy_1,i2,vptr_y);
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}
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}
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return;
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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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BLASLONG i=0;
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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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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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FLOAT xbuffer[8] __attribute__((aligned(16)));
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FLOAT *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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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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m1 -= NB;
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if (m1 < 0) {
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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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x_ptr = x;
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memset(ybuffer, 0, NB * 2*sizeof(FLOAT));
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if (inc_x == 2) {
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for (i = 0; i < n1; i++) {
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cgemv_kernel_4x4(NB, lda, a_ptr, x_ptr, ybuffer);
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a_ptr += lda << 2;
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x_ptr += 8;
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}
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if (n2 & 2) {
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cgemv_kernel_4x2(NB, lda, a_ptr, 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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cgemv_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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} else {
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for (i = 0; i < n1; i++) {
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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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cgemv_kernel_4x4(NB, lda, a_ptr, xbuffer, ybuffer);
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a_ptr += lda << 2;
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}
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for (i = 0; i < n2; i++) {
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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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cgemv_kernel_4x1(NB, a_ptr, xbuffer, ybuffer);
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a_ptr += 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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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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for (i = 0; i < (n & -2); i += 2) {
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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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#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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} else {
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for (i = 0; i < n; i++) {
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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];
|
|
#else
|
|
temp_r += a_ptr[0] * x_ptr[0] + a_ptr[1] * x_ptr[1];
|
|
temp_i += a_ptr[0] * x_ptr[1] - a_ptr[1] * x_ptr[0];
|
|
#endif
|
|
|
|
a_ptr += lda;
|
|
x_ptr += inc_x;
|
|
}
|
|
|
|
}
|
|
#if !defined(XCONJ)
|
|
y_ptr[0] += alpha_r * temp_r - alpha_i * temp_i;
|
|
y_ptr[1] += alpha_r * temp_i + alpha_i * temp_r;
|
|
#else
|
|
y_ptr[0] += alpha_r * temp_r + alpha_i * temp_i;
|
|
y_ptr[1] -= alpha_r * temp_i - alpha_i * temp_r;
|
|
#endif
|
|
return (0);
|
|
}
|
|
|
|
if (m3 == 2) {
|
|
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;
|
|
|
|
if (lda == 4 && inc_x == 2) {
|
|
|
|
for (i = 0; i < (n & -2); i += 2) {
|
|
#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_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];
|
|
#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_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);
|
|
}
|
|
#endif
|