Wlodzimierz ABX Skiba wrote:

> ...could be more precise and still short
>
> #macro Sign(P)
>   (P>0?1:P<0?-1:0)
> #end

Who says the sign of 0 is 0? ;-)

--
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/

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