Blame thirdparty/openblas/xianyi-OpenBLAS-e6e87a2/kernel/generic/ztrsm_ltcopy_2.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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int CNAME(BLASLONG m, BLASLONG n, FLOAT *a, BLASLONG lda, BLASLONG offset, FLOAT *b){
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  BLASLONG i, ii, j, jj;
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  FLOAT data01, data02, data03, data04;
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  FLOAT data05, data06, data07, data08;
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  FLOAT *a1, *a2;
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  lda *= 2;
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  jj = offset;
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  j = (n >> 1);
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  while (j > 0){
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    a1 = a + 0 * lda;
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    a2 = a + 1 * lda;
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    i = (m >> 1);
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    ii = 0;
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    while (i > 0) {
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      if (ii == jj) {
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#ifndef UNIT
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	data01 = *(a1 + 0);
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	data02 = *(a1 + 1);
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#endif
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	data03 = *(a1 + 2);
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	data04 = *(a1 + 3);
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#ifndef UNIT
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	data07 = *(a2 + 2);
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	data08 = *(a2 + 3);
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#endif
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	compinv(b + 0, data01, data02);
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	*(b +  2) = data03;
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	*(b +  3) = data04;
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	compinv(b + 6, data07, data08);
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      }
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      if (ii < jj) {
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	data01 = *(a1 + 0);
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	data02 = *(a1 + 1);
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	data03 = *(a1 + 2);
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	data04 = *(a1 + 3);
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	data05 = *(a2 + 0);
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	data06 = *(a2 + 1);
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	data07 = *(a2 + 2);
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	data08 = *(a2 + 3);
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	*(b +  0) = data01;
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	*(b +  1) = data02;
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	*(b +  2) = data03;
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	*(b +  3) = data04;
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	*(b +  4) = data05;
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	*(b +  5) = data06;
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	*(b +  6) = data07;
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	*(b +  7) = data08;
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      }
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      a1 += 2 * lda;
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      a2 += 2 * lda;
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      b += 8;
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      i  --;
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      ii += 2;
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    }
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    if (m & 1) {
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      if (ii== jj) {
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#ifndef UNIT
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	data01 = *(a1 + 0);
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	data02 = *(a1 + 1);
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#endif
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	data03 = *(a1 + 2);
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	data04 = *(a1 + 3);
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	compinv(b + 0, data01, data02);
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	*(b +  2) = data03;
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	*(b +  3) = data04;
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      }
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      if (ii < jj)  {
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	data01 = *(a1 + 0);
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	data02 = *(a1 + 1);
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	data03 = *(a1 + 2);
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	data04 = *(a1 + 3);
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	*(b +  0) = data01;
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	*(b +  1) = data02;
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	*(b +  2) = data03;
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	*(b +  3) = data04;
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      }
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      b += 4;
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    }
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    a += 4;
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    jj += 2;
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    j  --;
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  }
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  if (n & 1) {
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    a1 = a + 0 * lda;
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    i = m;
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    ii = 0;
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    while (i > 0) {
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      if (ii == jj) {
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#ifndef UNIT
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	data01 = *(a1 + 0);
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	data02 = *(a1 + 1);
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#endif
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	compinv(b + 0, data01, data02);
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      }
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      if (ii < jj) {
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	data01 = *(a1 + 0);
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	data02 = *(a1 + 1);
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	*(b +  0) = data01;
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	*(b +  1) = data02;
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      }
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      a1 += 1 * lda;
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      b += 2;
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      i  --;
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      ii += 1;
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    }
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  }
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  return 0;
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}