Blame thirdparty/openblas/xianyi-OpenBLAS-e6e87a2/lapack/getrs/getrs_parallel.c

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/*********************************************************************/
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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></stdio.h>
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#include "common.h"
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static int inner_thread(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n,
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			 FLOAT *sa, FLOAT *sb, BLASLONG mypos) {
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  BLASLONG n   = args -> n;
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  BLASLONG off = 0;
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  if (range_n) {
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    n   = range_n[1] - range_n[0];
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    off = range_n[0];
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  }
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#ifndef TRANS
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  LASWP_PLUS(n, 1, args -> m, ZERO, 
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	     (FLOAT *)args -> b + off * args -> ldb * COMPSIZE, args -> ldb, NULL, 0, args -> c, 1);
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  TRSM_LNLU (args, range_m, range_n, sa, sb, 0);
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  TRSM_LNUN (args, range_m, range_n, sa, sb, 0);
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#else
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  TRSM_LTUN  (args, range_m, range_n, sa, sb, 0);
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  TRSM_LTLU  (args, range_m, range_n, sa, sb, 0);
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  LASWP_MINUS(n, 1, args -> m, ZERO, 
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	      (FLOAT *)args -> b + off * args -> ldb * COMPSIZE, args -> ldb, NULL, 0, args -> c, -1);
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#endif
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  return 0;
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}
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blasint CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG mypos) {
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  int mode;
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#ifndef TRANS
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    if (args -> n  == 1){
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      LASWP_PLUS(1, 1, args -> m, ZERO, args -> b, args -> ldb, NULL, 0, args -> c, 1);
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      TRSV_NLU (args -> m, args -> a, args -> lda, args -> b, 1, sb);
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      TRSV_NUN (args -> m, args -> a, args -> lda, args -> b, 1, sb);
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    } else {
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#ifdef XDOUBLE
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      mode  =  BLAS_XDOUBLE | BLAS_REAL;
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#elif defined(DOUBLE)
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      mode  =  BLAS_DOUBLE  | BLAS_REAL;
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#else
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      mode  =  BLAS_SINGLE  | BLAS_REAL;
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#endif  
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      gemm_thread_n(mode, args, NULL, NULL, inner_thread, sa, sb,  args -> nthreads);
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    }
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#else
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    if (args -> n == 1){
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      TRSV_TUN (args -> m, args -> a, args -> lda, args -> b, 1, sb);
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      TRSV_TLU (args -> m, args -> a, args -> lda, args -> b, 1, sb);
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      LASWP_MINUS(1, 1, args -> m, ZERO, args -> b, args -> ldb, NULL, 0, args -> c, -1);
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    } else {
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#ifdef XDOUBLE
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      mode  =  BLAS_XDOUBLE | BLAS_REAL | (1 << BLAS_TRANSA_SHIFT);
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#elif defined(DOUBLE)
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      mode  =  BLAS_DOUBLE  | BLAS_REAL | (1 << BLAS_TRANSA_SHIFT);
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#else
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      mode  =  BLAS_SINGLE  | BLAS_REAL | (1 << BLAS_TRANSA_SHIFT);
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#endif  
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      gemm_thread_n(mode, args, NULL, NULL, inner_thread, sa, sb,  args -> nthreads);
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    }
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#endif
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    return 0;
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  }