round and truncate in Maxima



>>>>> "Volker" == van Nek <van.nek at arcor.de> writes:

    Volker> in the manual I found documented the Lisp functions ?round
    Volker> and ?truncate (Floating.texi).  Does this make sense? 
    Volker> These functions can't work with Bigfloats.

The documentation also says it doesn't work with bigfloats.

    Volker> We have the Maxima functions floor, fix (entier) and ceiling. 
    Volker> Wouldn't it be better to define round and truncate with the help of floor and ceiling?

I agree.  I don't think we should really advertise these Lisp
functions at all.  I think Lisp's truncate is the same as fix
(entier), right?  So only round is missing.

Ray