> So I have three questions:
> a) why do you use float/double instead of fixed point for such
> simple and imprecise calculations?

Cleaner code, and probably faster, too.
                                                                        Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) 
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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