/*********************************************************************/
/*                                                                   */
/*             Optimized BLAS libraries                              */
/*                     By Kazushige Goto <kgoto@tacc.utexas.edu>     */
/*                                                                   */
/* Copyright (c) The University of Texas, 2009. All rights reserved. */
/* UNIVERSITY EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES CONCERNING  */
/* THIS SOFTWARE AND DOCUMENTATION, INCLUDING ANY WARRANTIES OF      */
/* MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE,              */
/* NON-INFRINGEMENT AND WARRANTIES OF PERFORMANCE, AND ANY WARRANTY  */
/* THAT MIGHT OTHERWISE ARISE FROM COURSE OF DEALING OR USAGE OF     */
/* TRADE. NO WARRANTY IS EITHER EXPRESS OR IMPLIED WITH RESPECT TO   */
/* THE USE OF THE SOFTWARE OR DOCUMENTATION.                         */
/* Under no circumstances shall University be liable for incidental, */
/* special, indirect, direct or consequential damages or loss of     */
/* profits, interruption of business, or related expenses which may  */
/* arise from use of Software or Documentation, including but not    */
/* limited to those resulting from defects in Software and/or        */
/* Documentation, or loss or inaccuracy of data of any kind.         */
/*********************************************************************/

#include <stdio.h>
#include "common.h"

int CNAME(BLASLONG m, BLASLONG n, FLOAT *a, BLASLONG lda, BLASLONG posX, BLASLONG posY, FLOAT *b){

  BLASLONG i, X;

  FLOAT data01;
  FLOAT *ao1;

  while (n > 0) {
    X = posX;
    
    if (posX <= posY) {
      ao1 = a + posX + (posY + 0) * lda;
    } else {
      ao1 = a + posY + (posX + 0) * lda;
    }
    
    i = m;
    if (m > 0) {
      do {
	
	if (X < posY) {
	  data01 = *(ao1 + 0);
	  b[ 0] = data01;
	  ao1 += 1;
	  b += 1;
	} else
	  if (X > posY) {
	    ao1 += lda;
	    b += 1;
	  } else {
#ifdef UNIT
	    b[ 0] = ONE;
#else
	    data01 = *(ao1 + 0);
	    b[ 0] = data01;
#endif
	    b += 1;
	    ao1 += lda;
	  }
	
	X += 1;
	i --;
      } while (i > 0);
    }
    posY ++;
    n --;
  }

  return 0;
}
