From: Ivan Kanis <ivan.kanis@googlemail.com>
To: rms@gnu.org
Cc: Andreas Schwab <schwab@linux-m68k.org>,
sdl.web@gmail.com, emacs-devel@gnu.org
Subject: Re: random doesn't feel very random
Date: Sun, 26 Aug 2012 11:06:08 +0200 [thread overview]
Message-ID: <87mx1iqayn.fsf@kanis.fr> (raw)
In-Reply-To: <E1T5NOD-00088i-Hn@fencepost.gnu.org> (Richard Stallman's message of "Sat, 25 Aug 2012 16:55:29 -0400")
Richard Stallman <rms@gnu.org> wrote:
> > Why would extra invocations of (random t) cause repetitive behavior?
>
> (random t) calculates a seed based on the current time.
> Unless it is done repeatedly in a very short time, that
> should make a different seed each time.
I had emacs play the same track after two starts. My emacs takes few
seconds to start.
It happened on Ubuntu 10.10 or Debian 6.0.
Does the function random not take into account the seconds when it's
seeded?
--
Ivan Kanis
http://ivan.kanis.fr
Everyone thinks of changing the world, but no one thinks of changing
himself.
-- Leo Tolstoy
I am listening to "Plan B - She Said".
next prev parent reply other threads:[~2012-08-26 9:06 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-24 5:47 random doesn't feel very random Ivan Kanis
2012-08-24 6:22 ` Tassilo Horn
2012-08-24 17:19 ` random doesn't feel very random, random doesn't feel very random, " Ivan Kanis
2012-08-24 18:50 ` Stephen J. Turnbull
2012-08-25 7:46 ` Ivan Kanis
2012-08-24 6:30 ` Leo
2012-08-24 22:48 ` Richard Stallman
2012-08-24 22:57 ` Andreas Schwab
2012-08-25 20:55 ` Richard Stallman
2012-08-25 23:25 ` Leo
2012-08-26 13:12 ` Richard Stallman
2012-08-26 14:24 ` Achim Gratz
2012-08-26 23:22 ` Leo
2012-08-27 0:50 ` Stefan Monnier
2012-08-27 6:31 ` Simon Leinen
2012-08-27 3:41 ` Richard Stallman
2012-08-27 4:48 ` Stefan Monnier
2012-08-31 9:41 ` Eli Zaretskii
2012-08-31 15:06 ` Stefan Monnier
2012-08-31 15:23 ` chad
2012-08-31 17:50 ` Eli Zaretskii
2012-08-31 19:43 ` Stefan Monnier
2012-09-01 1:18 ` Paul Eggert
2012-09-01 7:19 ` Achim Gratz
2012-09-01 13:19 ` Paul Eggert
2012-09-04 19:19 ` Nix
2012-09-04 20:07 ` Paul Eggert
2012-09-04 20:11 ` Nix
2012-09-02 12:27 ` Jason Rumney
2012-09-02 13:08 ` Stefan Monnier
2012-09-01 7:22 ` Ivan Kanis
2012-09-01 11:13 ` joakim
2012-08-31 23:04 ` Leo
2012-08-27 5:17 ` Achim Gratz
2012-08-31 9:42 ` Eli Zaretskii
2012-08-31 15:07 ` Stefan Monnier
2012-08-31 17:50 ` Eli Zaretskii
2012-08-26 9:06 ` Ivan Kanis [this message]
2012-08-24 7:03 ` Stephen J. Turnbull
2012-08-24 9:10 ` Paul Eggert
2012-08-24 17:45 ` Stephen J. Turnbull
2012-08-24 12:45 ` OT: appropriateness of "random" for playlist generation (was: random doesn't feel very random) Jeremiah Dodds
2012-08-24 14:37 ` random doesn't feel very random Drew Adams
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87mx1iqayn.fsf@kanis.fr \
--to=ivan.kanis@googlemail.com \
--cc=emacs-devel@gnu.org \
--cc=rms@gnu.org \
--cc=schwab@linux-m68k.org \
--cc=sdl.web@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).