[Rd] Weakness in Knuth-TAOCP RNG (fwd) (PR#1336)

Prof Brian Ripley ripley@stats.ox.ac.uk
Sun, 3 Mar 2002 14:10:37 +0000 (GMT)

On Mon, 4 Mar 2002, Frederic Schutz wrote:

> >It's not that simple.  This is an new generator, incompatible with
> >the old one.
> >
> >I will have to add this as a separate generator, since we really, really
> >can't re-define random number generators and so make work unreproducible.
> I thought about that, but I do not know the source code well enough to add
> a new generator. I let you do it the way you want.

BTW, R already scrambled the seeds and so did not suffer from the weakness
being addressed by the incompatible change.

Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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