From: Stephen Berman <stephen.berman@gmx.net>
To: Francis Wright <francis.j.wright@gmail.com>
Cc: f.j.wright@live.co.uk, 32605@debbugs.gnu.org
Subject: bug#32605: 26.1; (random) never returns negative
Date: Sat, 01 Sep 2018 19:34:35 +0200 [thread overview]
Message-ID: <87zhx1ktp0.fsf@gmx.net> (raw)
In-Reply-To: <855zzpf86u.fsf@gmail.com> (Francis Wright's message of "Sat, 01 Sep 2018 18:18:01 +0100")
On Sat, 01 Sep 2018 18:18:01 +0100 Francis Wright <francis.j.wright@gmail.com> wrote:
> According to my reading of both the documentation for the function
> random and its description in the manual, if it is called with no
> argument then "the value might be any integer representable in Lisp,
> i.e., an integer between ‘most-negative-fixnum’ and
> ‘most-positive-fixnum’". Therefore, it should return a negative integer
> half the time, but I have never yet seen it return a negative value. So
> either the documentation or the implementation is wrong. For what it's
> worth, I would prefer the documented behaviour over the current actual
> behaviour.
>
>
> In GNU Emacs 26.1 (build 1, x86_64-w64-mingw32)
> of 2018-05-30 built on CIRROCUMULUS
> Repository revision: 07f8f9bc5a51f5aa94eb099f3e15fbe0c20ea1ea
> Windowing system distributor 'Microsoft Corp.', version 10.0.17134
Prompted by this report, I just ran `M-: (random)' twice, with these
results:
1407814790132564328 (#o116114401367331100550, #x13899017bb648168)
-5902216973509885 (#o-247600437205762375, #x-14f808fa17e4fd)
This was on a build from current master under GNU/Linux
Steve Berman
next prev parent reply other threads:[~2018-09-01 17:34 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-01 17:18 bug#32605: 26.1; (random) never returns negative Francis Wright
2018-09-01 17:34 ` Stephen Berman [this message]
2018-09-04 22:27 ` Noam Postavsky
2018-09-05 13:20 ` Andy Moreton
2021-08-12 13:17 ` bug#32605: [w64] " Lars Ingebrigtsen
2021-08-12 13:42 ` Eli Zaretskii
2021-08-12 20:34 ` Andy Moreton
2021-08-13 6:29 ` Eli Zaretskii
2021-08-13 21:12 ` Andy Moreton
2021-08-14 5:54 ` Eli Zaretskii
2021-08-14 8:31 ` Andy Moreton
2021-08-14 8:57 ` Eli Zaretskii
2021-08-14 11:06 ` Andy Moreton
2021-08-14 11:33 ` Eli Zaretskii
2021-08-14 12:10 ` Andy Moreton
2021-08-14 12:36 ` Eli Zaretskii
2021-08-14 13:40 ` Andy Moreton
2021-08-14 14:43 ` Eli Zaretskii
2021-08-14 18:47 ` Andy Moreton
2021-08-15 6:07 ` Eli Zaretskii
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