OpenBLAS/lapack/trtrs/trtrs_parallel.c

112 lines
4.6 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"
#if !defined(TRANS) && !defined(UPLO) && !defined(DIAG)
#define TRSM TRSM_LNUU
#define TRSV TRSV_NUU
#elif !defined(TRANS) && !defined(UPLO) && defined(DIAG)
#define TRSM TRSM_LNUN
#define TRSV TRSV_NUN
#elif !defined(TRANS) && defined(UPLO) && !defined(DIAG)
#define TRSM TRSM_LNLU
#define TRSV TRSV_NLU
#elif !defined(TRANS) && defined(UPLO) && defined(DIAG)
#define TRSM TRSM_LNLN
#define TRSV TRSV_NLN
#elif defined(TRANS) && !defined(UPLO) && !defined(DIAG)
#define TRSM TRSM_LTUU
#define TRSV TRSV_TUU
#elif defined(TRANS) && !defined(UPLO) && defined(DIAG)
#define TRSM TRSM_LTUN
#define TRSV TRSV_TUN
#elif defined(TRANS) && defined(UPLO) && !defined(DIAG)
#define TRSM TRSM_LTLU
#define TRSV TRSV_TLU
#elif defined(TRANS) && defined(UPLO) && defined(DIAG)
#define TRSM TRSM_LTLN
#define TRSV TRSV_TLN
#endif
static int inner_thread(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n,
FLOAT *sa, FLOAT *sb, BLASLONG mypos) {
TRSM (args, range_m, range_n, sa, sb, 0);
return 0;
}
blasint CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG mypos) {
int mode;
#ifndef TRANS
if (args -> n == 1){
TRSV (args -> m, args -> a, args -> lda, args -> b, 1, sb);
} else {
#ifdef XDOUBLE
mode = BLAS_XDOUBLE | BLAS_REAL;
#elif defined(DOUBLE)
mode = BLAS_DOUBLE | BLAS_REAL;
#else
mode = BLAS_SINGLE | BLAS_REAL;
#endif
gemm_thread_n(mode, args, NULL, NULL, inner_thread, sa, sb, args -> nthreads);
}
#else
if (args -> n == 1){
TRSV (args -> m, args -> a, args -> lda, args -> b, 1, sb);
} else {
#ifdef XDOUBLE
mode = BLAS_XDOUBLE | BLAS_REAL | (1 << BLAS_TRANSA_SHIFT);
#elif defined(DOUBLE)
mode = BLAS_DOUBLE | BLAS_REAL | (1 << BLAS_TRANSA_SHIFT);
#else
mode = BLAS_SINGLE | BLAS_REAL | (1 << BLAS_TRANSA_SHIFT);
#endif
gemm_thread_n(mode, args, NULL, NULL, inner_thread, sa, sb, args -> nthreads);
}
#endif
return 0;
}