text: #ifndef ATL_dGetNB_geqrf
  
  /*
   * NB selection for GEQRF: Side='RIGHT', Uplo='UPPER'
   * M : 25,120,300,660,1320,2640
   * N : 25,120,300,660,1320,2640
   * NB : 2,60,60,60,60,60
   */
  #define ATL_dGetNB_geqrf(n_, nb_) \
  { \
     if ((n_) < 72) (nb_) = 2; \
     else (nb_) = 60; \
  }
  
  
  #endif    /* end ifndef ATL_dGetNB_geqrf */
  