text: #ifndef ATL_stGetNB_geqrf
  
  /*
   * NB selection for GEQRF: Side='RIGHT', Uplo='UPPER'
   * M : 25,360,504,576,720,1080,1152,1224,1296,1512,3096,6192
   * N : 25,360,504,576,720,1080,1152,1224,1296,1512,3096,6192
   * NB : 2,2,2,168,144,144,168,144,192,204,192,144
   */
  #define ATL_stGetNB_geqrf(n_, nb_) \
  { \
     if ((n_) < 540) (nb_) = 2; \
     else if ((n_) < 648) (nb_) = 168; \
     else if ((n_) < 1116) (nb_) = 144; \
     else if ((n_) < 1188) (nb_) = 168; \
     else if ((n_) < 1260) (nb_) = 144; \
     else if ((n_) < 1404) (nb_) = 192; \
     else if ((n_) < 2304) (nb_) = 204; \
     else if ((n_) < 4644) (nb_) = 192; \
     else (nb_) = 144; \
  }
  
  
  #endif    /* end ifndef ATL_stGetNB_geqrf */
  