[PD] Random without repeating numbers

[Krzysztof Czaja]

hi Olaf,

looks like we have both made a mess, because there is another one
in zexy...  Namespaces or not, such proliferation is a bad thing.

Do not know what to do.  Removing cyclone's urn from cyclone would
not be nice either -- it is quite a popular object among the
maxers, and I guess my algo is faster then yours and zexy's.

(Of course, it is barely tested, so might be totally broken, just
like anything in cyclone.  There has been no cyclone-related
feedback yet... quite depressing...)

Krzysztof

Olaf Matthes wrote:
 > Hi again and sorry for self replay, but I just found that there's also a 'urn'
 > in Krzysztof's cyclone library....
...
 >>I once made an object called 'urn'. It's an urn selection model, i.e. you'll