201 lines
5.3 KiB
C
201 lines
5.3 KiB
C
/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin. */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* 1. Redistributions of source code must retain the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer. */
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/* */
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/* 2. Redistributions in binary form must reproduce the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer in the documentation and/or other materials */
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/* provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
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/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
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/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
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/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/* The views and conclusions contained in the software and */
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/* documentation are those of the authors and should not be */
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/* interpreted as representing official policies, either expressed */
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/* or implied, of The University of Texas at Austin. */
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/*********************************************************************/
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#include <stdio.h>
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#include "common.h"
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#ifdef FUNCTION_PROFILE
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#include "functable.h"
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#endif
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#ifdef SMP
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#ifdef __64BIT__
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#define SMPTEST 1
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#endif
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#endif
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#ifdef XDOUBLE
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#define ERROR_NAME "QGER "
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#elif defined DOUBLE
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#define ERROR_NAME "DGER "
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#else
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#define ERROR_NAME "SGER "
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#endif
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#define GER GERU_K
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#if defined XDOUBLE
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#define GER_THREAD qger_thread
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#elif defined DOUBLE
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#define GER_THREAD dger_thread
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#else
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#define GER_THREAD sger_thread
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#endif
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#ifndef CBLAS
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void NAME(blasint *M, blasint *N, FLOAT *Alpha,
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FLOAT *x, blasint *INCX,
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FLOAT *y, blasint *INCY,
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FLOAT *a, blasint *LDA){
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blasint m = *M;
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blasint n = *N;
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FLOAT alpha = *Alpha;
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blasint incx = *INCX;
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blasint incy = *INCY;
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blasint lda = *LDA;
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FLOAT *buffer;
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#ifdef SMPTEST
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int nthreads;
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#endif
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blasint info;
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PRINT_DEBUG_NAME;
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info = 0;
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if (lda < MAX(1,m)) info = 9;
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if (incy == 0) info = 7;
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if (incx == 0) info = 5;
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if (n < 0) info = 2;
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if (m < 0) info = 1;
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if (info){
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BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
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return;
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}
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#else
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void CNAME(enum CBLAS_ORDER order,
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blasint m, blasint n,
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FLOAT alpha,
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FLOAT *x, blasint incx,
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FLOAT *y, blasint incy,
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FLOAT *a, blasint lda) {
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FLOAT *buffer;
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blasint info, t;
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#ifdef SMPTEST
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int nthreads;
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#endif
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PRINT_DEBUG_CNAME;
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info = 0;
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if (order == CblasColMajor) {
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info = -1;
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if (lda < MAX(1,m)) info = 9;
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if (incy == 0) info = 7;
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if (incx == 0) info = 5;
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if (n < 0) info = 2;
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if (m < 0) info = 1;
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}
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if (order == CblasRowMajor) {
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info = -1;
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t = n;
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n = m;
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m = t;
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t = incx;
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incx = incy;
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incy = t;
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buffer = x;
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x = y;
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y = buffer;
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if (lda < MAX(1,m)) info = 9;
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if (incy == 0) info = 7;
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if (incx == 0) info = 5;
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if (n < 0) info = 2;
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if (m < 0) info = 1;
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}
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if (info >= 0) {
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BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
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return;
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}
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#endif
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/* Quick return if possible. */
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if (m == 0 || n == 0) return;
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if (alpha == 0.) return;
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IDEBUG_START;
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FUNCTION_PROFILE_START();
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if (incy < 0) y -= (n - 1) * incy;
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if (incx < 0) x -= (m - 1) * incx;
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buffer = (FLOAT *)blas_memory_alloc(1);
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#ifdef SMPTEST
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nthreads = num_cpu_avail(2);
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if (nthreads == 1) {
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#endif
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GER(m, n, 0, alpha, x, incx, y, incy, a, lda, buffer);
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#ifdef SMPTEST
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} else {
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GER_THREAD(m, n, alpha, x, incx, y, incy, a, lda, buffer, nthreads);
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}
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#endif
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blas_memory_free(buffer);
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FUNCTION_PROFILE_END(1, m * n + m + n, 2 * m * n);
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IDEBUG_END;
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return;
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}
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