tahoma2d/thirdparty/openblas/xianyi-OpenBLAS-e6e87a2/driver/level2/syr2_k.c
2016-03-24 02:47:04 +09:00

75 lines
3.4 KiB
C

/*********************************************************************/
/* 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 *x, BLASLONG incx,
FLOAT *y, BLASLONG incy, FLOAT *a, BLASLONG lda, FLOAT *buffer){
BLASLONG i;
FLOAT *X, *Y;
X = x;
Y = y;
if (incx != 1) {
COPY_K(m, x, incx, buffer, 1);
X = buffer;
}
if (incy != 1) {
COPY_K(m, y, incy, (FLOAT *)((BLASLONG)buffer + (BUFFER_SIZE / 2)), 1);
Y = (FLOAT *)((BLASLONG)buffer + (BUFFER_SIZE / 2));
}
for (i = 0; i < m; i++){
#ifndef LOWER
AXPYU_K(i + 1, 0, 0, alpha_r * X[i], Y, 1, a, 1, NULL, 0);
AXPYU_K(i + 1, 0, 0, alpha_r * Y[i], X, 1, a, 1, NULL, 0);
a += lda;
#else
AXPYU_K(m - i, 0, 0, alpha_r * X[i], Y + i, 1, a, 1, NULL, 0);
AXPYU_K(m - i, 0, 0, alpha_r * Y[i], X + i, 1, a, 1, NULL, 0);
a += 1 + lda;
#endif
}
return 0;
}