148 lines
3.9 KiB
C
148 lines
3.9 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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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 ix,iy;
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BLASLONG j;
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FLOAT *a_ptr;
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FLOAT temp_r,temp_i;
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BLASLONG inc_x2,inc_y2;
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BLASLONG lda2;
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BLASLONG i2;
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lda2 = 2*lda;
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ix = 0;
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a_ptr = a;
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if ( inc_x == 1 && inc_y == 1 )
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{
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for (j=0; j<n; j++)
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{
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#if !defined(XCONJ)
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temp_r = alpha_r * x[ix] - alpha_i * x[ix+1];
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temp_i = alpha_r * x[ix+1] + alpha_i * x[ix];
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#else
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temp_r = alpha_r * x[ix] + alpha_i * x[ix+1];
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temp_i = alpha_r * x[ix+1] - alpha_i * x[ix];
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#endif
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iy = 0;
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i2=0;
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for (i=0; i<m; i++)
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{
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#if !defined(CONJ)
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#if !defined(XCONJ)
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y[iy] += temp_r * a_ptr[i2] - temp_i * a_ptr[i2+1];
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y[iy+1] += temp_r * a_ptr[i2+1] + temp_i * a_ptr[i2];
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#else
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y[iy] += temp_r * a_ptr[i2] + temp_i * a_ptr[i2+1];
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y[iy+1] += temp_r * a_ptr[i2+1] - temp_i * a_ptr[i2];
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#endif
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#else
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#if !defined(XCONJ)
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y[iy] += temp_r * a_ptr[i2] + temp_i * a_ptr[i2+1];
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y[iy+1] -= temp_r * a_ptr[i2+1] - temp_i * a_ptr[i2];
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#else
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y[iy] += temp_r * a_ptr[i2] - temp_i * a_ptr[i2+1];
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y[iy+1] -= temp_r * a_ptr[i2+1] + temp_i * a_ptr[i2];
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#endif
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#endif
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i2 += 2;
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iy += 2;
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}
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a_ptr += lda2;
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ix += 2;
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}
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return(0);
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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 (j=0; j<n; j++)
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{
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#if !defined(XCONJ)
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temp_r = alpha_r * x[ix] - alpha_i * x[ix+1];
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temp_i = alpha_r * x[ix+1] + alpha_i * x[ix];
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#else
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temp_r = alpha_r * x[ix] + alpha_i * x[ix+1];
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temp_i = alpha_r * x[ix+1] - alpha_i * x[ix];
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#endif
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iy = 0;
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i2=0;
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for (i=0; i<m; i++)
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{
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#if !defined(CONJ)
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#if !defined(XCONJ)
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y[iy] += temp_r * a_ptr[i2] - temp_i * a_ptr[i2+1];
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y[iy+1] += temp_r * a_ptr[i2+1] + temp_i * a_ptr[i2];
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#else
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y[iy] += temp_r * a_ptr[i2] + temp_i * a_ptr[i2+1];
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y[iy+1] += temp_r * a_ptr[i2+1] - temp_i * a_ptr[i2];
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#endif
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#else
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#if !defined(XCONJ)
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y[iy] += temp_r * a_ptr[i2] + temp_i * a_ptr[i2+1];
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y[iy+1] -= temp_r * a_ptr[i2+1] - temp_i * a_ptr[i2];
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#else
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y[iy] += temp_r * a_ptr[i2] - temp_i * a_ptr[i2+1];
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y[iy+1] -= temp_r * a_ptr[i2+1] + temp_i * a_ptr[i2];
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#endif
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#endif
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i2 += 2;
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iy += inc_y2;
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}
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a_ptr += lda2;
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ix += inc_x2;
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}
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return(0);
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}
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