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

/* Copyright 2009, 2010 The University of Texas at Austin.           */

/* All rights reserved.                                              */

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/* Redistribution and use in source and binary forms, with or        */

/* without modification, are permitted provided that the following   */

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/*      copyright notice, this list of conditions and the following  */

/*      disclaimer.                                                  */

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/*   2. Redistributions in binary form must reproduce the above      */

/*      copyright notice, this list of conditions and the following  */

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/*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */

/*    AUSTIN  ``AS IS''  AND ANY  EXPRESS OR  IMPLIED WARRANTIES,    */

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/* interpreted as representing official policies, either expressed   */

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

#include <stdio.h></stdio.h>

#include <ctype.h></ctype.h>

#include "common.h"

const static FLOAT dm1 = -1.;

#ifdef CONJ

#define GEMM_KERNEL   GEMM_KERNEL_R

#if (!defined(TRANSA) && defined(UPPER)) || (defined(TRANSA) && !defined(UPPER))

#define TRSM_KERNEL   TRSM_KERNEL_RR

#else

#define TRSM_KERNEL   TRSM_KERNEL_RC

#endif

#else

#define GEMM_KERNEL   GEMM_KERNEL_N

#if (!defined(TRANSA) && defined(UPPER)) || (defined(TRANSA) && !defined(UPPER))

#define TRSM_KERNEL   TRSM_KERNEL_RN

#else

#define TRSM_KERNEL   TRSM_KERNEL_RT

#endif

#endif

#if 0

#undef GEMM_P

#undef GEMM_Q

#undef GEMM_R

#define GEMM_P 16

#define GEMM_Q 20

#define GEMM_R 24

#endif

int CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG dummy) {

  BLASLONG m, n, lda, ldb;

  FLOAT *beta, *a, *b;

  BLASLONG ls, is, js;

  BLASLONG min_l, min_i, min_j;

  BLASLONG jjs, min_jj;

  m = args -> m;

  n = args -> n;

  a = (FLOAT *)args -> a;

  b = (FLOAT *)args -> b;

  lda = args -> lda;

  ldb = args -> ldb;

  beta  = (FLOAT *)args -> beta;

  if (range_m) {

    BLASLONG m_from = *(((BLASLONG *)range_m) + 0);

    BLASLONG m_to   = *(((BLASLONG *)range_m) + 1);

    m = m_to - m_from;

    b += m_from * COMPSIZE;

  }

  if (beta) {

#ifndef COMPLEX

    if (beta[0] != ONE)

      GEMM_BETA(m, n, 0, beta[0], NULL, 0, NULL, 0, b, ldb);

    if (beta[0] == ZERO) return 0;

#else

    if ((beta[0] != ONE) || (beta[1] != ZERO))

      GEMM_BETA(m, n, 0, beta[0], beta[1], NULL, 0, NULL, 0, b, ldb);

    if ((beta[0] == ZERO) && (beta[1] == ZERO)) return 0;

#endif

  }

#if (defined(UPPER) && !defined(TRANSA)) || (!defined(UPPER) && defined(TRANSA))

  for(js = 0; js < n; js += GEMM_R){

    min_j = n - js;

    if (min_j > GEMM_R) min_j = GEMM_R;

    for(ls = 0; ls < js; ls += GEMM_Q){

      min_l = js - ls;

      if (min_l > GEMM_Q) min_l = GEMM_Q;

      min_i = m;

      if (min_i > GEMM_P) min_i = GEMM_P;

      GEMM_ITCOPY(min_l, min_i, b + (ls * ldb) * COMPSIZE, ldb, sa);

      for(jjs = js; jjs < js + min_j; jjs += min_jj){

	min_jj = min_j + js - jjs;

	if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;

#ifndef TRANSA

	GEMM_ONCOPY(min_l, min_jj, a + (ls + jjs * lda) * COMPSIZE, lda, sb + min_l * (jjs - js) * COMPSIZE);

#else

	GEMM_OTCOPY(min_l, min_jj, a + (jjs + ls * lda) * COMPSIZE, lda, sb + min_l * (jjs - js) * COMPSIZE);

#endif

	GEMM_KERNEL(min_i, min_jj, min_l, dm1, 

#ifdef COMPLEX

		    ZERO,

#endif

		    sa, sb + min_l * (jjs - js) * COMPSIZE,

		    b + (jjs * ldb) * COMPSIZE, ldb); 

      }

      for(is = min_i; is < m; is += GEMM_P){

	min_i = m - is;

	if (min_i > GEMM_P) min_i = GEMM_P;

	GEMM_ITCOPY(min_l, min_i, b + (is + ls * ldb) * COMPSIZE, ldb, sa);

	GEMM_KERNEL(min_i, min_j, min_l, dm1, 

#ifdef COMPLEX

		    ZERO,

#endif

		    sa, sb, b + (is + js * ldb) * COMPSIZE, ldb); 

      }

    }

    for(ls = js; ls < js + min_j; ls += GEMM_Q){

      min_l = js + min_j - ls;

      if (min_l > GEMM_Q) min_l = GEMM_Q;

      min_i = m;

      if (min_i > GEMM_P) min_i = GEMM_P;

      GEMM_ITCOPY(min_l, min_i, b + (ls * ldb) * COMPSIZE, ldb, sa);

#ifndef TRANSA

      TRSM_OUNCOPY(min_l, min_l, a + (ls + ls * lda) * COMPSIZE, lda, 0, sb);

#else

      TRSM_OLTCOPY(min_l, min_l, a + (ls + ls * lda) * COMPSIZE, lda, 0, sb);

#endif

      TRSM_KERNEL(min_i, min_l, min_l, dm1,

#ifdef COMPLEX

		  ZERO,

#endif

		  sa,

		  sb, 

		  b + (ls * ldb) * COMPSIZE, ldb, 0);

      for(jjs = 0; jjs < min_j - min_l - ls + js; jjs += min_jj){

	min_jj = min_j - min_l - ls + js - jjs;

	if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;

#ifndef TRANSA

      GEMM_ONCOPY (min_l, min_jj, a + (ls + (ls + min_l + jjs) * lda) * COMPSIZE, lda,

		   sb + min_l * (min_l + jjs) * COMPSIZE);

#else

      GEMM_OTCOPY (min_l, min_jj, a + ((ls + min_l + jjs) + ls * lda) * COMPSIZE, lda,

		   sb + min_l * (min_l + jjs) * COMPSIZE);

#endif

      GEMM_KERNEL(min_i, min_jj, min_l, dm1, 

#ifdef COMPLEX

		  ZERO,

#endif

		  sa, 

		  sb + min_l * (min_l + jjs) * COMPSIZE,

		  b + (min_l + ls + jjs) * ldb * COMPSIZE, ldb); 

      }

      for(is = min_i; is < m; is += GEMM_P){

	min_i = m - is;

	if (min_i > GEMM_P) min_i = GEMM_P;

	GEMM_ITCOPY(min_l, min_i, b + (is + ls * ldb) * COMPSIZE, ldb, sa);

	TRSM_KERNEL(min_i, min_l, min_l, dm1,

#ifdef COMPLEX

		    ZERO,

#endif

		    sa,

		    sb, 

		    b + (is + ls * ldb) * COMPSIZE, ldb, 0);

	GEMM_KERNEL(min_i, min_j - min_l + js - ls, min_l, dm1, 

#ifdef COMPLEX

		    ZERO,

#endif

		    sa, 

		    sb + min_l * min_l * COMPSIZE,

		    b + (is + ( min_l + ls) * ldb) * COMPSIZE, ldb); 

      }

    }

  }

#else

  BLASLONG start_ls;

  for(js = n; js > 0; js -= GEMM_R){

    min_j = js;

    if (min_j > GEMM_R) min_j = GEMM_R;

    for (ls = js; ls < n; ls += GEMM_Q) {

      min_l = n - ls;

      if (min_l > GEMM_Q) min_l = GEMM_Q;

      min_i = m;

      if (min_i > GEMM_P) min_i = GEMM_P;

      GEMM_ITCOPY(min_l, min_i, b + (ls * ldb) * COMPSIZE, ldb, sa);

      for(jjs = js; jjs < js + min_j; jjs += min_jj){

	min_jj = min_j + js - jjs;

	if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;

#ifndef TRANSA

	GEMM_ONCOPY(min_l, min_jj, a + (ls + (jjs - min_j) * lda) * COMPSIZE, lda, sb + min_l * (jjs - js) * COMPSIZE);

#else

	GEMM_OTCOPY(min_l, min_jj, a + ((jjs - min_j) + ls * lda) * COMPSIZE, lda, sb + min_l * (jjs - js) * COMPSIZE);

#endif

	GEMM_KERNEL(min_i, min_jj, min_l, dm1, 

#ifdef COMPLEX

		    ZERO,

#endif

		    sa, sb + min_l * (jjs - js) * COMPSIZE,

		    b + (jjs - min_j) * ldb * COMPSIZE, ldb); 

      }

      for(is = min_i; is < m; is += GEMM_P){

	min_i = m - is;

	if (min_i > GEMM_P) min_i = GEMM_P;

	GEMM_ITCOPY(min_l, min_i, b + (is + ls * ldb) * COMPSIZE, ldb, sa);

	GEMM_KERNEL(min_i, min_j, min_l, dm1, 

#ifdef COMPLEX

		    ZERO,

#endif

		    sa, sb, b + (is + (js - min_j) * ldb) * COMPSIZE, ldb); 

      }

    }

    start_ls = js - min_j;

    while (start_ls + GEMM_Q < js) start_ls += GEMM_Q;

    for(ls = start_ls; ls >= js - min_j; ls -= GEMM_Q){

      min_l = js - ls;

      if (min_l > GEMM_Q) min_l = GEMM_Q;

      min_i = m;

      if (min_i > GEMM_P) min_i = GEMM_P;

      GEMM_ITCOPY(min_l, min_i, b + (ls * ldb) * COMPSIZE, ldb, sa);

#ifndef TRANSA

      TRSM_OLNCOPY(min_l, min_l,           a + (ls + ls * lda) * COMPSIZE, lda,

		   0, sb + min_l * (min_j - js + ls) * COMPSIZE);

#else

      TRSM_OUTCOPY(min_l, min_l,           a + (ls + ls * lda) * COMPSIZE, lda,

		   0, sb + min_l * (min_j - js + ls) * COMPSIZE);

#endif

      TRSM_KERNEL(min_i, min_l, min_l, dm1,

#ifdef COMPLEX

		  ZERO,

#endif

		  sa,

		  sb + min_l * (min_j - js + ls) * COMPSIZE, 

		  b + (ls * ldb) * COMPSIZE, ldb, 0);

      for(jjs = 0; jjs < min_j - js + ls; jjs += min_jj){

	min_jj = min_j - js + ls - jjs;

	if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;

#ifndef TRANSA

	GEMM_ONCOPY (min_l, min_jj, a + (ls + (js - min_j + jjs) * lda) * COMPSIZE, lda,

		     sb + min_l * jjs * COMPSIZE);

#else

	GEMM_OTCOPY (min_l, min_jj, a + ((js - min_j + jjs) + ls * lda) * COMPSIZE, lda, 

		     sb + min_l * jjs * COMPSIZE);

#endif

	GEMM_KERNEL(min_i, min_jj, min_l, dm1, 

#ifdef COMPLEX

		    ZERO,

#endif

		    sa, 

		    sb + min_l * jjs * COMPSIZE,

		    b + (js - min_j + jjs) * ldb * COMPSIZE, ldb); 

      }

      for(is = min_i; is < m; is += GEMM_P){

	min_i = m - is;

	if (min_i > GEMM_P) min_i = GEMM_P;

	GEMM_ITCOPY(min_l, min_i, b + (is + ls * ldb) * COMPSIZE, ldb, sa);

	TRSM_KERNEL(min_i, min_l, min_l, dm1,

#ifdef COMPLEX

		    ZERO,

#endif

		    sa,

		    sb + min_l * (min_j - js + ls) * COMPSIZE, 

		    b + (is + ls * ldb) * COMPSIZE, ldb, 0);

	GEMM_KERNEL(min_i, min_j - js + ls, min_l, dm1, 

#ifdef COMPLEX

		    ZERO,

#endif

		    sa, 

		    sb,

		    b + (is + (js - min_j) * ldb) * COMPSIZE, ldb); 

      }

    }

  }

#endif

  return 0;

}