--- john.chu@east.sun.com wrote:
> For reasons I tried to explain in a previous draft
> of this e-mail and
> has been cut due to the amount of space it took, I
> need to generate
> multiple permuted lists of integers ranging from 0
> to approximately
> 2^100 (or more, it's a bit open-ended
> unfortunately).

How about using a linear-congruential random number
generators.  These simple algorithms will generate
numbers that don't repeat for a long period of time
(typically they use 32bit integers but I'm sure you'll
be able to find algorithms that generate numbers in a
larger range).  You can generate permutations of by
setting the seeds to different values.

HTH,
Noel


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