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

/* 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,    */

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/*                                                                   */

/* 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"

#ifndef LOWER

#ifndef CONJ

#ifdef XDOUBLE

#define KERNEL_FUNC xher2k_kernel_UN

#elif defined(DOUBLE)

#define KERNEL_FUNC zher2k_kernel_UN

#else

#define KERNEL_FUNC cher2k_kernel_UN

#endif

#else

#ifdef XDOUBLE

#define KERNEL_FUNC xher2k_kernel_UC

#elif defined(DOUBLE)

#define KERNEL_FUNC zher2k_kernel_UC

#else

#define KERNEL_FUNC cher2k_kernel_UC

#endif

#endif

#else

#ifndef CONJ

#ifdef XDOUBLE

#define KERNEL_FUNC xher2k_kernel_LN

#elif defined(DOUBLE)

#define KERNEL_FUNC zher2k_kernel_LN

#else

#define KERNEL_FUNC cher2k_kernel_LN

#endif

#else

#ifdef XDOUBLE

#define KERNEL_FUNC xher2k_kernel_LC

#elif defined(DOUBLE)

#define KERNEL_FUNC zher2k_kernel_LC

#else

#define KERNEL_FUNC cher2k_kernel_LC

#endif

#endif

#endif

#define KERNEL_OPERATION(M, N, K, ALPHA, SA, SB, C, LDC, X, Y, FLAG) \

	KERNEL_FUNC(M, N, K, ALPHA[0], ALPHA[1], SA, SB, (FLOAT *)(C) + ((X) + (Y) * LDC) * COMPSIZE, LDC, (X) - (Y), FLAG)

#define KERNEL_OPERATION_C(M, N, K, ALPHA, SA, SB, C, LDC, X, Y, FLAG) \

	KERNEL_FUNC(M, N, K, ALPHA[0], -ALPHA[1], SA, SB, (FLOAT *)(C) + ((X) + (Y) * LDC) * COMPSIZE, LDC, (X) - (Y), FLAG)

#if   !defined(LOWER) && !defined(TRANS)

#define SYRK_LOCAL    HER2K_UN

#elif !defined(LOWER) &&  defined(TRANS)

#define SYRK_LOCAL    HER2K_UC

#elif  defined(LOWER) && !defined(TRANS)

#define SYRK_LOCAL    HER2K_LN

#else

#define SYRK_LOCAL    HER2K_LC

#endif

#undef SCAL_K

#ifdef XDOUBLE

#define SCAL_K		QSCAL_K

#elif defined(DOUBLE)

#define SCAL_K		DSCAL_K

#else

#define SCAL_K		SSCAL_K

#endif

static inline int syrk_beta(BLASLONG m_from, BLASLONG m_to, BLASLONG n_from, BLASLONG n_to, FLOAT *alpha, FLOAT *c, BLASLONG ldc) {

  BLASLONG i;

#ifndef LOWER

  if (m_from > n_from) n_from = m_from;

  if (m_to   > n_to  ) m_to   = n_to;

#else

  if (m_from < n_from) m_from = n_from;

  if (m_to   < n_to  ) n_to   = m_to;

#endif

  c += (m_from + n_from * ldc) * COMPSIZE;

  m_to -= m_from;

  n_to -= n_from;

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

#ifndef LOWER

    SCAL_K(MIN(i + n_from - m_from + 1, m_to) * COMPSIZE, 0, 0, alpha[0], c, 1, NULL, 0, NULL, 0);

    if (i + n_from - m_from + 1 <= m_to) 

      *(c + (i + n_from - m_from) * COMPSIZE + 1)  = ZERO;

    c += ldc * COMPSIZE;

#else

    SCAL_K(MIN(m_to - i + m_from - n_from, m_to) * COMPSIZE, 0, 0, alpha[0], c, 1, NULL, 0, NULL, 0);

    if (i < m_from - n_from) {

      c += ldc * COMPSIZE;

    } else {

      *(c + 1)  = ZERO;

      c += (1 + ldc) * COMPSIZE;

    }

#endif

  }

  return 0;

}

#ifdef THREADED_LEVEL3

#include "level3_syr2k_threaded.c"

#else

#include "level3_syr2k.c"

#endif