From: Erik Iverson <eriki@ccbr.umn.edu>
To: Tyler Smith <tyler.smith@eku.edu>
Cc: help-gnu-emacs@gnu.org
Subject: Re: random predicate function
Date: Mon, 13 Dec 2010 10:16:31 -0600 [thread overview]
Message-ID: <4D0646DF.4060807@ccbr.umn.edu> (raw)
In-Reply-To: <87ei9lveo2.fsf@guruji.demimonde>
Obligatory Dilbert:
http://www.random.org/analysis/dilbert.jpg
Tyler Smith wrote:
> Gary <help-gnu-emacs@garydjones.name> writes:
>
>> Tyler Smith wrote:
>>
>>> (lambda (tmp1 tmp2) (if (eq (mod (random) 2) 0)
>>> t
>>> nil))))))
>> I'm by no means an expert, but you should perhaps first once call
>> (random t)
>> Have a look at
>> http://www.gnu.org/software/emacs/elisp/html_node/Random-Numbers.html
>
> Thanks, Gary. I found that after I sent the first message. I've added in
> a call to (random t). I still get some 'non-random' looking sorts. It's
> hard to be sure, I'll have to run some sort of systematic check to see
> if the results are consistent over large numbers of calls.
>
> Cheers,
>
> Tyler
>
>
next prev parent reply other threads:[~2010-12-13 16:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-13 14:43 random predicate function Tyler Smith
2010-12-13 15:37 ` Gary
2010-12-13 16:08 ` Tyler Smith
2010-12-13 16:16 ` Erik Iverson [this message]
2010-12-13 16:50 ` Tyler Smith
[not found] <mailman.0.1292251427.11097.help-gnu-emacs@gnu.org>
2010-12-13 15:26 ` Pascal J. Bourguignon
2010-12-13 17:16 ` Ted Zlatanov
2010-12-13 17:48 ` Pascal J. Bourguignon
2010-12-15 14:51 ` Ted Zlatanov
2010-12-15 15:20 ` Pascal J. Bourguignon
2010-12-15 16:44 ` Ted Zlatanov
2010-12-15 17:28 ` Pascal J. Bourguignon
2010-12-15 18:39 ` Ted Zlatanov
2010-12-15 18:04 ` Drew Adams
2010-12-13 18:17 ` Tyler Smith
[not found] ` <mailman.2.1292264248.1009.help-gnu-emacs@gnu.org>
2010-12-13 18:38 ` Pascal J. Bourguignon
2010-12-13 19:05 ` Tyler Smith
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