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

/* 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    */

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/*    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    */

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/*    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 "common.h"

int CNAME(BLASLONG m, FLOAT alpha, FLOAT *x,

		      BLASLONG incx, FLOAT *a, FLOAT *buffer){

  BLASLONG i;

  FLOAT *X;

  X = x;

  if (incx != 1) {

    COPY_K(m, x, incx, buffer, 1);

    X = buffer;

  }

  for (i = 0; i < m; i++){

#ifndef HEMVREV

#ifndef LOWER

    AXPYU_K(i + 1, 0, 0, alpha * X[i * 2 + 0], -alpha * X[i * 2 + 1], X,         1, a, 1, NULL, 0);

    a[i * 2 + 1] = ZERO;

    a += (i + 1) * 2;

#else

    AXPYU_K(m - i, 0, 0, alpha * X[i * 2 + 0], -alpha * X[i * 2 + 1], X + i * 2, 1, a, 1, NULL, 0);

    a[1] = ZERO;

    a += (m - i) * 2;

#endif

#else

#ifndef LOWER

    AXPYC_K(i + 1, 0, 0, alpha * X[i * 2 + 0], alpha * X[i * 2 + 1], X,         1, a, 1, NULL, 0);

    a[i * 2 + 1] = ZERO;

    a += (i + 1) * 2;

#else

    AXPYC_K(m - i, 0, 0, alpha * X[i * 2 + 0], alpha * X[i * 2 + 1], X + i * 2, 1, a, 1, NULL, 0);

    a[1] = ZERO;

    a += (m - i) * 2;

#endif

#endif

    }

  return 0;

}