Pierre Hugonnet <[log in to unmask]> wrote: ... >selected_real_kind(p,r,most,defkind,ieee) ... >logical, optional :: ieee > .FALSE. : no restriction (default) > .TRUE. : the returned kind must correspond to a ieee-754 floating point And, it returns -1 as the KIND if IEEE is not supported? The language standard can't mandate that a hardware standard be supported. -- J. Giles %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%