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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"
const static FLOAT dp1 = 1.;
int CNAME(BLASLONG n, BLASLONG k, FLOAT *a, BLASLONG lda, FLOAT *b, BLASLONG incb, void *buffer){
BLASLONG i;
FLOAT *gemvbuffer = (FLOAT *)buffer;
FLOAT *B = b;
BLASLONG length;
#if (TRANSA == 2) || (TRANSA == 4)
FLOAT _Complex temp;
#endif
#ifndef UNIT
FLOAT atemp1, atemp2, btemp1, btemp2;
#endif
if (incb != 1) {
B = buffer;
gemvbuffer = (FLOAT *)(((BLASLONG)buffer + n * sizeof(FLOAT) * COMPSIZE+ 4095) & ~4095);
COPY_K(n, b, incb, buffer, 1);
}
a += (n - 1) * lda * COMPSIZE;
for (i = n - 1; i >= 0; i--) {
#if (TRANSA == 1) || (TRANSA == 3)
length = n - i - 1;
if (length > k) length = k;
if (length > 0) {
#if TRANSA == 1
AXPYU_K(length, 0, 0,
B[i * 2 + 0], B[i * 2 + 1],
a + COMPSIZE, 1, B + (i + 1) * COMPSIZE, 1, NULL, 0);
#else
AXPYC_K(length, 0, 0,
B[i * 2 + 0], B[i * 2 + 1],
a + COMPSIZE, 1, B + (i + 1) * COMPSIZE, 1, NULL, 0);
#endif
}
#endif
#ifndef UNIT
#if (TRANSA == 1) || (TRANSA == 3)
atemp1 = a[0];
atemp2 = a[1];
#else
atemp1 = a[k * 2 + 0];
atemp2 = a[k * 2 + 1];
#endif
btemp1 = B[i * 2 + 0];
btemp2 = B[i * 2 + 1];
#if (TRANSA == 1) || (TRANSA == 2)
B[i * 2 + 0] = atemp1 * btemp1 - atemp2 * btemp2;
B[i * 2 + 1] = atemp1 * btemp2 + atemp2 * btemp1;
#else
B[i * 2 + 0] = atemp1 * btemp1 + atemp2 * btemp2;
B[i * 2 + 1] = atemp1 * btemp2 - atemp2 * btemp1;
#endif
#endif
#if (TRANSA == 2) || (TRANSA == 4)
length = i;
if (length > k) length = k;
if (length > 0) {
#if TRANSA == 2
temp = DOTU_K(length, a + (k - length) * COMPSIZE, 1, B + (i - length) * COMPSIZE, 1);
#else
temp = DOTC_K(length, a + (k - length) * COMPSIZE, 1, B + (i - length) * COMPSIZE, 1);
#endif
B[i * 2 + 0] += CREAL(temp);
B[i * 2 + 1] += CIMAG(temp);
}
#endif
a -= lda * COMPSIZE;
}
if (incb != 1) {
COPY_K(n, buffer, 1, b, incb);
}
return 0;
}
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