From: Jeff Waltzer <jeffwaltzer_at_yahoo.com>
Date: Mon, 22 Jul 2002 07:56:51 -0700 (PDT)

    Did a little research with Google and found this link:
http://softwaredev.earthweb.com/sdtech/article/0,,12065_616221_2,00.html


It recommends using (quoting from article)
> for (i is 1 to 3)
> Swap i with random position between i and 3


Instead of
> for (i is 1 to n)
> Swap i with random position between 1 and n


(The change is the range starts with 'i' not '1')

   But then when all is said and done it probably doesn't make that much
of a difference.

--- "Nielsen Linus (ext)" <Linus.Nielsen_at_elema.siemens.se> wrote:
> > playlist:
> > - The shuffle algorithm wasn't quite correct
>
> What was wrong about it?
>
> The current version runs through the list, swapping the song at the
> 'count'
> position with a random candidate from the entire list of files.
>
> Your version takes a random candidate from the list of remaining files.
> Why
> is that better?
>
> /Linus

=====
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Received on 2002-07-22