252 lines
6.7 KiB
C
252 lines
6.7 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 "common.h"
|
|
#ifdef FUNCTION_PROFILE
|
|
#include "functable.h"
|
|
#endif
|
|
|
|
#ifdef XDOUBLE
|
|
#define ERROR_NAME "QGBMV "
|
|
#elif defined(DOUBLE)
|
|
#define ERROR_NAME "DGBMV "
|
|
#else
|
|
#define ERROR_NAME "SGBMV "
|
|
#endif
|
|
|
|
static void (*gbmv[])(BLASLONG, BLASLONG, BLASLONG, BLASLONG, FLOAT,
|
|
FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, void *) = {
|
|
#ifdef XDOUBLE
|
|
qgbmv_n, qgbmv_t,
|
|
#elif defined(DOUBLE)
|
|
dgbmv_n, dgbmv_t,
|
|
#else
|
|
sgbmv_n, sgbmv_t,
|
|
#endif
|
|
};
|
|
|
|
#ifdef SMP
|
|
static int (*gbmv_thread[])(BLASLONG, BLASLONG, BLASLONG, BLASLONG, FLOAT,
|
|
FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, int) = {
|
|
#ifdef XDOUBLE
|
|
qgbmv_thread_n, qgbmv_thread_t,
|
|
#elif defined(DOUBLE)
|
|
dgbmv_thread_n, dgbmv_thread_t,
|
|
#else
|
|
sgbmv_thread_n, sgbmv_thread_t,
|
|
#endif
|
|
};
|
|
#endif
|
|
|
|
#ifndef CBLAS
|
|
|
|
void NAME(char *TRANS, blasint *M, blasint *N,
|
|
blasint *KU, blasint *KL,
|
|
FLOAT *ALPHA, FLOAT *a, blasint *LDA,
|
|
FLOAT *x, blasint *INCX,
|
|
FLOAT *BETA, FLOAT *y, blasint *INCY){
|
|
|
|
char trans = *TRANS;
|
|
blasint m = *M;
|
|
blasint n = *N;
|
|
blasint ku = *KU;
|
|
blasint kl = *KL;
|
|
blasint lda = *LDA;
|
|
blasint incx = *INCX;
|
|
blasint incy = *INCY;
|
|
FLOAT *buffer;
|
|
#ifdef SMP
|
|
int nthreads;
|
|
#endif
|
|
|
|
FLOAT alpha = *ALPHA;
|
|
FLOAT beta = *BETA;
|
|
|
|
blasint info;
|
|
blasint lenx, leny;
|
|
blasint i;
|
|
|
|
PRINT_DEBUG_NAME;
|
|
|
|
TOUPPER(trans);
|
|
|
|
info = 0;
|
|
|
|
i = -1;
|
|
|
|
if (trans == 'N') i = 0;
|
|
if (trans == 'T') i = 1;
|
|
if (trans == 'R') i = 0;
|
|
if (trans == 'C') i = 1;
|
|
|
|
if (incy == 0) info = 13;
|
|
if (incx == 0) info = 10;
|
|
if (lda < kl + ku + 1) info = 8;
|
|
if (kl < 0) info = 5;
|
|
if (ku < 0) info = 4;
|
|
if (n < 0) info = 3;
|
|
if (m < 0) info = 2;
|
|
if (i < 0) info = 1;
|
|
|
|
trans = i;
|
|
|
|
if (info != 0){
|
|
BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
|
|
return;
|
|
}
|
|
|
|
#else
|
|
|
|
void CNAME(enum CBLAS_ORDER order,
|
|
enum CBLAS_TRANSPOSE TransA,
|
|
blasint m, blasint n,
|
|
blasint ku, blasint kl,
|
|
FLOAT alpha,
|
|
FLOAT *a, blasint lda,
|
|
FLOAT *x, blasint incx,
|
|
FLOAT beta,
|
|
FLOAT *y, blasint incy){
|
|
|
|
FLOAT *buffer;
|
|
blasint lenx, leny, info, t;
|
|
int trans;
|
|
#ifdef SMP
|
|
int nthreads;
|
|
#endif
|
|
|
|
PRINT_DEBUG_CNAME;
|
|
|
|
trans = -1;
|
|
info = 0;
|
|
|
|
if (order == CblasColMajor) {
|
|
if (TransA == CblasNoTrans) trans = 0;
|
|
if (TransA == CblasTrans) trans = 1;
|
|
if (TransA == CblasConjNoTrans) trans = 0;
|
|
if (TransA == CblasConjTrans) trans = 1;
|
|
|
|
info = -1;
|
|
|
|
if (incy == 0) info = 13;
|
|
if (incx == 0) info = 10;
|
|
if (lda < kl + ku + 1) info = 8;
|
|
if (kl < 0) info = 5;
|
|
if (ku < 0) info = 4;
|
|
if (n < 0) info = 3;
|
|
if (m < 0) info = 2;
|
|
if (trans < 0) info = 1;
|
|
}
|
|
|
|
if (order == CblasRowMajor) {
|
|
if (TransA == CblasNoTrans) trans = 1;
|
|
if (TransA == CblasTrans) trans = 0;
|
|
if (TransA == CblasConjNoTrans) trans = 1;
|
|
if (TransA == CblasConjTrans) trans = 0;
|
|
|
|
info = -1;
|
|
|
|
t = n;
|
|
n = m;
|
|
m = t;
|
|
|
|
t = ku;
|
|
ku = kl;
|
|
kl = t;
|
|
|
|
if (incy == 0) info = 13;
|
|
if (incx == 0) info = 10;
|
|
if (lda < kl + ku + 1) info = 8;
|
|
if (kl < 0) info = 5;
|
|
if (ku < 0) info = 4;
|
|
if (n < 0) info = 3;
|
|
if (m < 0) info = 2;
|
|
if (trans < 0) info = 1;
|
|
}
|
|
|
|
if (info >= 0) {
|
|
BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
|
|
return;
|
|
}
|
|
|
|
#endif
|
|
|
|
if ((m==0) || (n==0)) return;
|
|
|
|
lenx = n;
|
|
leny = m;
|
|
if (trans) lenx = m;
|
|
if (trans) leny = n;
|
|
|
|
if (beta != ONE) SCAL_K(leny, 0, 0, beta, y, abs(incy), NULL, 0, NULL, 0);
|
|
|
|
if (alpha == ZERO) return;
|
|
|
|
IDEBUG_START;
|
|
|
|
FUNCTION_PROFILE_START();
|
|
|
|
if (incx < 0) x -= (lenx-1)*incx;
|
|
if (incy < 0) y -= (leny-1)*incy;
|
|
|
|
buffer = (FLOAT *)blas_memory_alloc(1);
|
|
|
|
#ifdef SMP
|
|
nthreads = num_cpu_avail(2);
|
|
|
|
if (nthreads == 1) {
|
|
#endif
|
|
|
|
(gbmv[(int)trans])(m, n, kl, ku, alpha, a, lda, x, incx, y, incy, buffer);
|
|
|
|
#ifdef SMP
|
|
} else {
|
|
|
|
(gbmv_thread[(int)trans])(m, n, kl, ku, alpha, a, lda, x, incx, y, incy, buffer, nthreads);
|
|
|
|
}
|
|
#endif
|
|
|
|
blas_memory_free(buffer);
|
|
|
|
FUNCTION_PROFILE_END(1, m * n / 2 + n, m * n);
|
|
|
|
IDEBUG_END;
|
|
|
|
return;
|
|
}
|