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From: giacomo boffi <giacomo.boffi@polimi.it>
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Subject: Re: bigger integers
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Joe Corneli <jcorneli@math.utexas.edu> writes:

> This fails on big numbers like 12.
>
>  (defun factorial (num)
>    (if (<= num 0)
>        1
>      (* num (factorial (1- num)))))
>
> Suggestions on how to make it work for bigger numbers?

from my *scratch*:

 (defun factorial (num) 
   (if (<= num 0) 
       1 
     (* num (factorial (1- num))))) 

factorial
(factorial 12)

479001600

ah, yes, (insert (emacs-version))

XEmacs 21.5 (beta17) "chayote" (+CVS-20040721) [Lucid] (i686-pc-linux)
of Thu Sep 16 2004 on boffi95

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