Repitition is inherent in randomness.

"Tom Melly" <tom### [at] tomandlucouk> wrote in message
news:3e492ce1@news.povray.org...
> How many numbers are in the rand stream before it repeats itself, or is
this a
> meaningless question?
>
> --
> #macro
A(V,B,C,R)#while(B-256)#if(V-128/B>=0)sphere{0,.5translate<C-4R-1,9>
> pigment{rgb<1-C/8R/2C/8>}}#local V=V-128/B;#end#local B=B*2;#local C=C+1;#
> end#end A(234,1,0,2)A(85,1,0,1)A(81,1,0,0)light_source{-5 1}//Tom Melly
>
>

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