text: #ifndef ATL_ztGetNB_geqrf
  
  /*
   * NB selection for GEQRF: Side='RIGHT', Uplo='UPPER'
   * M : 25,88,220,484,1012,2024
   * N : 25,88,220,484,1012,2024
   * NB : 12,44,44,44,44,44
   */
  #define ATL_ztGetNB_geqrf(n_, nb_) \
  { \
     if ((n_) < 56) (nb_) = 12; \
     else (nb_) = 44; \
  }
  
  
  #endif    /* end ifndef ATL_ztGetNB_geqrf */
  