/*********************************************************************/

/* 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></stdio.h>

#include "common.h"

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

  BLASLONG i, j;

  FLOAT *a_offset, *a_offset1, *a_offset2;

  FLOAT *b_offset, *b_offset1, *b_offset2;

  a_offset = a;

  b_offset = b;

  b_offset2 = b + m * (n & ~1);

  i = (m >> 1);

  if (i > 0) {

    do {

      a_offset1 = a_offset;

      a_offset2 = a_offset + lda;

      a_offset += 2 * lda;

      b_offset1 = b_offset;

      b_offset += 4;

      j = (n >> 1);

      if (j > 0){

	do {

	  *(b_offset1 + 0) = *(a_offset1 + 0);

	  *(b_offset1 + 1) = *(a_offset1 + 1);

	  *(b_offset1 + 2) = *(a_offset2 + 0);

	  *(b_offset1 + 3) = *(a_offset2 + 1);

	  a_offset1 += 2;

	  a_offset2 += 2;

	  b_offset1 += m * 2;

	  j--;

	} while (j > 0);

      }

      if (n & 1){

	  *(b_offset2 + 0) = *(a_offset1 + 0);

	  *(b_offset2 + 1) = *(a_offset2 + 0);

	  b_offset2 += 2;

      }

      i --;

    } while (i > 0);

  }

  if (m & 1) {

    j = (n >> 1);

    if (j > 0){

      do {

	*(b_offset + 0) = *(a_offset + 0);

	*(b_offset + 1) = *(a_offset + 1);

	a_offset += 2;

	b_offset += m * 2;

	j--;

      } while (j > 0);

    }

    if (n & 1){

      *(b_offset2 + 0) = *(a_offset + 0);

      }

  }

  return 0;

}