> > All that said, the values given by
> > string_of_float cannot always be fed back to float_of_string anyway
> > (e.g. float_of_string (string_of_float nan))
>
> euh, why do you say that ? it does :
>
>   # float_of_string (string_of_float nan) ;;
>   - : float = nan

Because:


        Objective Caml version 3.09.3

# float_of_string (string_of_float nan);;
Exception: Failure "float_of_string".


but this is clearly fixed in 3.10!


David