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Import GotoBLAS2 1.13 BSD version codes.

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Xianyi Zhang
2011-01-24 14:54:24 +00:00
commit 342bbc3871
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driver/level2/zhpmv_k.c Normal file
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/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin. */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* 1. Redistributions of source code must retain the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer. */
/* */
/* 2. Redistributions in binary form must reproduce the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer in the documentation and/or other materials */
/* provided with the distribution. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
/* POSSIBILITY OF SUCH DAMAGE. */
/* */
/* The views and conclusions contained in the software and */
/* documentation are those of the authors and should not be */
/* interpreted as representing official policies, either expressed */
/* or implied, of The University of Texas at Austin. */
/*********************************************************************/
#include <stdio.h>
#include <ctype.h>
#include "common.h"
int CNAME(BLASLONG m, FLOAT alpha_r, FLOAT alpha_i,
FLOAT *a, FLOAT *x, BLASLONG incx, FLOAT *y, BLASLONG incy, void *buffer){
BLASLONG i;
FLOAT *X = x;
FLOAT *Y = y;
FLOAT *gemvbuffer = (FLOAT *)buffer;
FLOAT *bufferY = gemvbuffer;
FLOAT *bufferX = gemvbuffer;
FLOAT temp[2];
if (incy != 1) {
Y = bufferY;
bufferX = (FLOAT *)(((BLASLONG)bufferY + m * sizeof(FLOAT) * 2 + 4095) & ~4095);
gemvbuffer = bufferX;
COPY_K(m, y, incy, Y, 1);
}
if (incx != 1) {
X = bufferX;
gemvbuffer = (FLOAT *)(((BLASLONG)bufferX + m * sizeof(FLOAT) * 2 + 4095) & ~4095);
COPY_K(m, x, incx, X, 1);
}
for (i = 0; i < m; i++) {
#ifndef HEMVREV
#ifndef LOWER
if (i > 0) {
FLOAT _Complex result = DOTC_K(i, a, 1, X, 1);
Y[i * 2 + 0] += alpha_r * CREAL(result) - alpha_i * CIMAG(result);
Y[i * 2 + 1] += alpha_r * CIMAG(result) + alpha_i * CREAL(result);
}
temp[0] = a[i * 2 + 0] * X[i * 2 + 0];
temp[1] = a[i * 2 + 0] * X[i * 2 + 1];
Y[i * 2 + 0] += alpha_r * temp[0] - alpha_i * temp[1];
Y[i * 2 + 1] += alpha_r * temp[1] + alpha_i * temp[0];
if (i > 0) {
AXPYU_K(i, 0, 0,
alpha_r * X[i * 2 + 0] - alpha_i * X[i * 2 + 1],
alpha_r * X[i * 2 + 1] + alpha_i * X[i * 2 + 0],
a, 1, Y, 1, NULL, 0);
}
a += (i + 1) * 2;
#else
if (m - i > 1) {
FLOAT _Complex result = DOTC_K(m - i - 1, a + (i + 1) * 2, 1, X + (i + 1) * 2, 1);
Y[i * 2 + 0] += alpha_r * CREAL(result) - alpha_i * CIMAG(result);
Y[i * 2 + 1] += alpha_r * CIMAG(result) + alpha_i * CREAL(result);
}
temp[0] = a[i * 2 + 0] * X[i * 2 + 0];
temp[1] = a[i * 2 + 0] * X[i * 2 + 1];
Y[i * 2 + 0] += alpha_r * temp[0] - alpha_i * temp[1];
Y[i * 2 + 1] += alpha_r * temp[1] + alpha_i * temp[0];
if (m - i > 1) {
AXPYU_K(m - i - 1, 0, 0,
alpha_r * X[i * 2 + 0] - alpha_i * X[i * 2 + 1],
alpha_r * X[i * 2 + 1] + alpha_i * X[i * 2 + 0],
a + (i + 1) * 2, 1, Y + (i + 1) * 2, 1, NULL, 0);
}
a += (m - i - 1) * 2;
#endif
#else
#ifndef LOWER
if (i > 0) {
FLOAT _Complex result = DOTU_K(i, a, 1, X, 1);
Y[i * 2 + 0] += alpha_r * CREAL(result) - alpha_i * CIMAG(result);
Y[i * 2 + 1] += alpha_r * CIMAG(result) + alpha_i * CREAL(result);
}
temp[0] = a[i * 2 + 0] * X[i * 2 + 0];
temp[1] = a[i * 2 + 0] * X[i * 2 + 1];
Y[i * 2 + 0] += alpha_r * temp[0] - alpha_i * temp[1];
Y[i * 2 + 1] += alpha_r * temp[1] + alpha_i * temp[0];
if (i > 0) {
AXPYC_K(i, 0, 0,
alpha_r * X[i * 2 + 0] - alpha_i * X[i * 2 + 1],
alpha_r * X[i * 2 + 1] + alpha_i * X[i * 2 + 0],
a, 1, Y, 1, NULL, 0);
}
a += (i + 1) * 2;
#else
if (m - i > 1) {
FLOAT _Complex result = DOTU_K(m - i - 1, a + (i + 1) * 2, 1, X + (i + 1) * 2, 1);
Y[i * 2 + 0] += alpha_r * CREAL(result) - alpha_i * CIMAG(result);
Y[i * 2 + 1] += alpha_r * CIMAG(result) + alpha_i * CREAL(result);
}
temp[0] = a[i * 2 + 0] * X[i * 2 + 0];
temp[1] = a[i * 2 + 0] * X[i * 2 + 1];
Y[i * 2 + 0] += alpha_r * temp[0] - alpha_i * temp[1];
Y[i * 2 + 1] += alpha_r * temp[1] + alpha_i * temp[0];
if (m - i > 1) {
AXPYC_K(m - i - 1, 0, 0,
alpha_r * X[i * 2 + 0] - alpha_i * X[i * 2 + 1],
alpha_r * X[i * 2 + 1] + alpha_i * X[i * 2 + 0],
a + (i + 1) * 2, 1, Y + (i + 1) * 2, 1, NULL, 0);
}
a += (m - i - 1) * 2;
#endif
#endif
}
if (incy != 1) {
COPY_K(m, Y, 1, y, incy);
}
return 0;
}