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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 "common.h"
#ifdef FUNCTION_PROFILE
#include "functable.h"
#endif
#ifdef XDOUBLE
#define ERROR_NAME "QGER "
#elif defined DOUBLE
#define ERROR_NAME "DGER "
#else
#define ERROR_NAME "SGER "
#endif
#define GER GERU_K
#if defined XDOUBLE
#define GER_THREAD qger_thread
#elif defined DOUBLE
#define GER_THREAD dger_thread
#else
#define GER_THREAD sger_thread
#endif
#ifndef CBLAS
void NAME(blasint *M, blasint *N, FLOAT *Alpha,
FLOAT *x, blasint *INCX,
FLOAT *y, blasint *INCY,
FLOAT *a, blasint *LDA){
blasint m = *M;
blasint n = *N;
FLOAT alpha = *Alpha;
blasint incx = *INCX;
blasint incy = *INCY;
blasint lda = *LDA;
FLOAT *buffer;
#ifdef SMPBUG
int nthreads;
#endif
blasint info;
PRINT_DEBUG_NAME;
info = 0;
if (lda < MAX(1,m)) info = 9;
if (incy == 0) info = 7;
if (incx == 0) info = 5;
if (n < 0) info = 2;
if (m < 0) info = 1;
if (info){
BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
return;
}
#else
void CNAME(enum CBLAS_ORDER order,
blasint m, blasint n,
FLOAT alpha,
FLOAT *x, blasint incx,
FLOAT *y, blasint incy,
FLOAT *a, blasint lda) {
FLOAT *buffer;
blasint info, t;
#ifdef SMPBUG
int nthreads;
#endif
PRINT_DEBUG_CNAME;
info = 0;
if (order == CblasColMajor) {
info = -1;
if (lda < MAX(1,m)) info = 9;
if (incy == 0) info = 7;
if (incx == 0) info = 5;
if (n < 0) info = 2;
if (m < 0) info = 1;
}
if (order == CblasRowMajor) {
info = -1;
t = n;
n = m;
m = t;
t = incx;
incx = incy;
incy = t;
buffer = x;
x = y;
y = buffer;
if (lda < MAX(1,m)) info = 9;
if (incy == 0) info = 7;
if (incx == 0) info = 5;
if (n < 0) info = 2;
if (m < 0) info = 1;
}
if (info >= 0) {
BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
return;
}
#endif
/* Quick return if possible. */
if (m == 0 || n == 0) return;
if (alpha == 0.) return;
IDEBUG_START;
FUNCTION_PROFILE_START();
if (incy < 0) y -= (n - 1) * incy;
if (incx < 0) x -= (m - 1) * incx;
buffer = (FLOAT *)blas_memory_alloc(1);
#ifdef SMPBUG
nthreads = num_cpu_avail(2);
if (nthreads == 1) {
#endif
GER(m, n, 0, alpha, x, incx, y, incy, a, lda, buffer);
#ifdef SMPBUG
} else {
GER_THREAD(m, n, alpha, x, incx, y, incy, a, lda, buffer, nthreads);
}
#endif
blas_memory_free(buffer);
FUNCTION_PROFILE_END(1, m * n + m + n, 2 * m * n);
IDEBUG_END;
return;
}
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