On 8/22/2011 1:14, Invisible wrote:
> You realise that all of the quantities involved are rational, right?

Uh, no?  Sqrt(2) for a 45-degree line thru a pixel sort of thing?

> that a rational number is just two integers?

That would be the "fixed point" part of my comment. Of course, if you want 
high precision rationals, you might wind up with multi-word integers, at 
which point you might as well just use floating point unless you're back on 
8-bit hardware or something.

-- 
Darren New, San Diego CA, USA (PST)
   How come I never get only one kudo?

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