From: Leo <sdl.web@gmail.com>
To: emacs-devel@gnu.org
Subject: Re: can `shuffle-vector' be moved?
Date: Fri, 13 May 2011 10:03:57 +0800 [thread overview]
Message-ID: <m1tycz2w6q.fsf@th041075.ip.tsinghua.edu.cn> (raw)
In-Reply-To: 87pqnny9lk.fsf@lifelogs.com
On 2011-05-13 03:58 +0800, Ted Zlatanov wrote:
> I don't know where it should live, but cookie1.el doesn't seem like the
> right place.
>
> It should be documented in "(elisp) Vector Functions" as well.
>
> Let me know if I should do this, please.
>
> Also this loop call from Pascal Bourguignon is a nice CL alternative to
> `shuffle-vector', though it uses the same algorithm:
>
> (defun shuffle (vector)
> "Re-orders randomly the vector."
> (loop
> for i from (1- (length vector)) downto 1
> do (rotatef (aref vector i) (aref vector (random i)))))
>
> Can it go into cl-macs.el?
We should have one version and not in cl-macs.el. `shuffle' is not in
common lisp.
>
> Thanks
> Ted
Leo
next prev parent reply other threads:[~2011-05-13 2:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-12 19:58 can `shuffle-vector' be moved? Ted Zlatanov
2011-05-13 2:03 ` Leo [this message]
2011-05-13 2:10 ` Stefan Monnier
2011-05-13 3:49 ` Ted Zlatanov
2011-05-13 13:57 ` Stefan Monnier
2011-05-13 3:53 ` Ted Zlatanov
2011-05-13 6:00 ` Kevin Rodgers
2011-05-13 14:48 ` Ted Zlatanov
2011-05-13 15:26 ` Stefan Monnier
2011-05-13 16:22 ` Ted Zlatanov
2011-05-13 16:47 ` Stefan Monnier
2011-05-13 16:51 ` Ted Zlatanov
2011-05-13 6:19 ` Thierry Volpiatto
2011-05-13 14:00 ` Stefan Monnier
2011-05-13 14:38 ` Ted Zlatanov
2011-05-13 17:13 ` Thierry Volpiatto
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