text: /*********************************************************************/
  /*                                                                   */
  /*             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"
  
  static FLOAT dp1 =  1.;
  
  #ifndef COMPLEX
  #define TRMM_KERNEL	TRMM_KERNEL_RT
  #define SYRK_KERNEL	SYRK_KERNEL_U
  #else
  #define TRMM_KERNEL	TRMM_KERNEL_RC
  #ifdef XDOUBLE
  #define SYRK_KERNEL	xherk_kernel_UN
  #elif defined(DOUBLE)
  #define SYRK_KERNEL	zherk_kernel_UN
  #else
  #define SYRK_KERNEL	cherk_kernel_UN
  #endif
  #endif
  
  #if 0
  #undef GEMM_P
  #undef GEMM_Q
  #undef GEMM_R
  
  #define GEMM_P 8
  #define GEMM_Q 20
  #define GEMM_R 24
  #endif
  
  #define GEMM_PQ  MAX(GEMM_P, GEMM_Q)
  #define REAL_GEMM_R (GEMM_R - GEMM_PQ)
  
  blasint CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {
  
    BLASLONG  n, lda;
    FLOAT *a;
  
    BLASLONG j, bk, blocking;
    BLASLONG is, ls, ks;
    BLASLONG jjs, min_jj;
  
    BLASLONG min_i, min_l, min_k;
    BLASLONG range_N[2];
  
    FLOAT *sb2 = (FLOAT *)((((BLASLONG)sb
  		    + GEMM_PQ  * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)
  		  + GEMM_OFFSET_B);
  
  #if 0
    FLOAT *aa;
  #endif
  
    n      = args -> n;
    a      = (FLOAT *)args -> a;
    lda    = args -> lda;
    
    if (range_n) {
      n      = range_n[1] - range_n[0];
      a     += range_n[0] * (lda + 1) * COMPSIZE;
    }
  
    if (n <= DTB_ENTRIES) {
      LAUU2_U(args, NULL, range_n, sa, sb, 0);
      return 0;
    }
  
    blocking = GEMM_Q;
    if (n <= 4 * GEMM_Q) blocking = (n + 3) / 4;
  
    for (j = 0; j < n; j += blocking) {
      bk = n - j;
      if (bk > blocking) bk = blocking;
  
      if (j > 0) {
  
        TRMM_OUTCOPY(bk, bk, a + (j + j * lda) * COMPSIZE, lda, 0, 0, sb);
  
        for (ls = 0; ls < j; ls += REAL_GEMM_R) {
  	min_l = j - ls;
  
  #if 0
  	
        
  	if (min_l > REAL_GEMM_R) min_l = REAL_GEMM_R;
  	min_i = ls + min_l;
  	if (min_i > GEMM_P) min_i = GEMM_P;
  	
  	if (ls > 0) {
  	  GEMM_ITCOPY(bk, min_i, a + (j * lda) * COMPSIZE, lda, sa);
  	  aa = sa;
  	} else {
  	  aa = sb2;
  	}
  	
  	for (jjs = ls; jjs < ls + min_l; jjs += GEMM_P){
  	  min_jj = ls + min_l - jjs;
  	  if (min_jj > GEMM_P) min_jj = GEMM_P;
  	  
  	  GEMM_OTCOPY(bk,  min_jj,  a + (jjs  + j * lda) * COMPSIZE, lda, sb2 + (jjs - ls) * bk * COMPSIZE);
  	  
  	  SYRK_KERNEL(min_i, min_jj, bk, dp1, 
  		      aa, 
  		      sb2 + (jjs - ls) * bk * COMPSIZE, 
  		      a + (jjs * lda) * COMPSIZE, lda, - jjs);
  	}
  	
  	if (ls + REAL_GEMM_R >= j ) {
  	  for (ks = 0; ks < bk; ks += GEMM_P) {
  	    min_k = bk - ks;
  	    if (min_k > GEMM_P) min_k = GEMM_P;
  	    
  	    TRMM_KERNEL(min_i, min_k, bk, dp1,
  #ifdef COMPLEX
  			ZERO,
  #endif
  			aa,
  			sb + ks * bk * COMPSIZE,
  			a + ((ks + j) * lda) * COMPSIZE, lda, -ks); 
  	  }
  	}
  	
  	for(is = min_i; is < ls + min_l ; is += GEMM_P){
  	  min_i = ls + min_l - is;
  	  if (min_i > GEMM_P) min_i = GEMM_P;
  	  
  	  if (is < ls) {
  	    GEMM_ITCOPY(bk, min_i, a + (is + j * lda) * COMPSIZE, lda, sa);
  	    aa = sa;
  	  } else {
  	    aa = sb2 + (is - ls) * bk * COMPSIZE;
  	  }
  	  
  	  SYRK_KERNEL(min_i, min_l, bk, dp1, 
  		      aa, 
  		      sb2, 
  		      a + (is + ls * lda) * COMPSIZE, lda, is - ls);
  	  
  	  if (ls + REAL_GEMM_R >= j ) {
  	    for (ks = 0; ks < bk; ks += GEMM_P) {
  	      min_k = bk - ks;
  	      if (min_k > GEMM_P) min_k = GEMM_P;
  	      
  	      TRMM_KERNEL(min_i, min_k, bk, dp1,
  #ifdef COMPLEX
  			  ZERO,
  #endif
  			  aa,
  			  sb + ks * bk * COMPSIZE,
  			  a + (is + (ks + j) * lda) * COMPSIZE, lda, -ks); 
  	    }
  	  }
  	}
  #else
  	if (min_l > REAL_GEMM_R) min_l = REAL_GEMM_R;
  	min_i = ls + min_l;
  	if (min_i > GEMM_P) min_i = GEMM_P;
  
  	GEMM_ITCOPY(bk, min_i, a + (j * lda) * COMPSIZE, lda, sa);
  
  	for (jjs = ls; jjs < ls + min_l; jjs += GEMM_P){
  	  min_jj = ls + min_l - jjs;
  	  if (min_jj > GEMM_P) min_jj = GEMM_P;
  	  
  	  GEMM_OTCOPY(bk,  min_jj,  a + (jjs  + j * lda) * COMPSIZE, lda, sb2 + (jjs - ls) * bk * COMPSIZE);
  	  
  	  SYRK_KERNEL(min_i, min_jj, bk, dp1, 
  		      sa, 
  		      sb2 + (jjs - ls) * bk * COMPSIZE, 
  		      a + (jjs * lda) * COMPSIZE, lda, - jjs);
  	}
  
  	if (ls + REAL_GEMM_R >= j ) {
  	  for (ks = 0; ks < bk; ks += GEMM_P) {
  	    min_k = bk - ks;
  	    if (min_k > GEMM_P) min_k = GEMM_P;
  	    
  	    TRMM_KERNEL(min_i, min_k, bk, dp1,
  #ifdef COMPLEX
  			ZERO,
  #endif
  			sa,
  			sb + ks * bk * COMPSIZE,
  			a + ((ks + j) * lda) * COMPSIZE, lda, -ks); 
  	  }
  	}
  
  	for(is = min_i; is < ls + min_l ; is += GEMM_P){
  	  min_i = ls + min_l - is;
  	  if (min_i > GEMM_P) min_i = GEMM_P;
  	  
  	  GEMM_ITCOPY(bk, min_i, a + (is + j * lda) * COMPSIZE, lda, sa);
  	  
  	  SYRK_KERNEL(min_i, min_l, bk, dp1, 
  		      sa, 
  		      sb2, 
  		      a + (is + ls * lda) * COMPSIZE, lda, is - ls);
  	  
  	  if (ls + REAL_GEMM_R >= j ) {
  	    for (ks = 0; ks < bk; ks += GEMM_P) {
  	      min_k = bk - ks;
  	      if (min_k > GEMM_P) min_k = GEMM_P;
  	      
  	      TRMM_KERNEL(min_i, min_k, bk, dp1,
  #ifdef COMPLEX
  			  ZERO,
  #endif
  			  sa,
  			  sb + ks * bk * COMPSIZE,
  			  a + (is + (ks + j) * lda) * COMPSIZE, lda, -ks); 
  	    }
  	  }
  	}
  #endif
        } /* end of ls */
      }
  
      if (!range_n) {
        range_N[0] = j;
        range_N[1] = j + bk;
      } else {
        range_N[0] = range_n[0] + j;
        range_N[1] = range_n[0] + j + bk;
      }
      
      CNAME(args, NULL, range_N, sa, sb, 0);
  
    }
  
    return 0;
  }
  