From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Glenn Morris <rgm@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: integer overflow
Date: Fri, 05 Mar 2010 17:35:25 -0500 [thread overview]
Message-ID: <jwv3a0e1jqu.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <vkeijytuom.fsf_-_@fencepost.gnu.org> (Glenn Morris's message of "Fri, 05 Mar 2010 14:50:01 -0500")
>> In 2.3.1 Integer Type:
>>> 1073741825 ; Also the integer 1 on a 30-bit implementation.
>> In 3.1 Integer Basics:
>>> 1073741825 ; Also the integer 1, due to overflow.
>> When in fact (type-of 1073741825) => float!
>> Is this even documented?
> A good question. I can't see anything about this in NEWS.
> Might it be the following change?
> 2009-08-27 Stefan Monnier <monnier at iro.umontreal.ca>
> * lread.c (read_integer): Use doubles (and potentially
> return a float number) as we do in string-to-number.
> (read1): Use strtol to read integers, signal errors on
> strtol's overflow and use floats if strtol's output is too large for
> Elisp integers.
Indeed, I thought about it as a pure bug-fix, but it needs to be added
to the NEWS. Can you do that and update the doc accordingly?
Stefan
next prev parent reply other threads:[~2010-03-05 22:35 UTC|newest]
Thread overview: 127+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4B8147A9.7030504@gmail.com>
[not found] ` <87ljemdzxo.fsf@stupidchicken.com>
2010-02-23 5:31 ` Next pretest, and branching plans Jason Rumney
2010-02-23 18:29 ` Eli Zaretskii
2010-02-23 21:12 ` Jason Rumney
2010-02-24 6:04 ` Richard Stallman
2010-02-24 13:34 ` Sean Sieger
2010-02-24 15:05 ` Davis Herring
2010-02-24 15:18 ` Sean Sieger
2010-02-24 14:05 ` Chong Yidong
2010-02-25 14:26 ` Richard Stallman
2010-02-26 18:03 ` manuals [was Re: Next pretest, and branching plans] Glenn Morris
2010-02-27 2:32 ` Richard Stallman
2010-02-27 16:52 ` Next pretest, and branching plans Johan Bockgård
2010-03-03 3:52 ` Glenn Morris
2010-03-05 0:31 ` Johan Bockgård
2010-03-05 19:50 ` integer overflow [was Re: Next pretest, and branching plans] Glenn Morris
2010-03-05 22:35 ` Stefan Monnier [this message]
2010-03-06 2:55 ` integer overflow Glenn Morris
2010-03-06 3:11 ` Chong Yidong
2010-03-06 7:03 ` Helmut Eller
2010-03-06 15:45 ` Stefan Monnier
2010-03-06 16:23 ` Davis Herring
2010-03-06 16:33 ` Drew Adams
2010-03-07 7:52 ` Richard Stallman
2010-03-07 16:06 ` David Kastrup
2010-03-07 17:18 ` Stephen J. Turnbull
2010-03-07 17:42 ` David Kastrup
2010-03-08 4:49 ` Jay Belanger
2010-03-08 8:04 ` Richard Stallman
2010-03-08 14:41 ` Guile in Emacs (was: integer overflow) Ted Zlatanov
2010-03-08 17:32 ` Guile in Emacs Ted Zlatanov
2010-03-08 18:42 ` Guile in Emacs (was: integer overflow) Chad Brown
2010-03-09 7:07 ` Ken Raeburn
2010-03-09 16:22 ` Guile in Emacs Ted Zlatanov
2010-03-10 8:07 ` Ken Raeburn
2010-03-10 13:58 ` David Kastrup
2010-03-09 3:19 ` Guile in Emacs (was: integer overflow) Richard Stallman
2010-04-11 23:33 ` Thomas Lord
2010-04-12 12:30 ` Richard Stallman
2010-04-12 20:05 ` Thomas Lord
2010-04-13 12:44 ` Guile in Emacs Bruce Stephens
2010-04-13 15:51 ` Thomas Lord
2010-04-13 16:07 ` Stefan Monnier
2010-04-13 18:56 ` Thomas Lord
2010-04-13 19:22 ` Christian Lynbech
2010-04-14 10:14 ` Bruce Stephens
2010-04-14 14:10 ` joakim
2010-04-13 19:13 ` Christian Lynbech
2010-04-14 1:47 ` Thomas Lord
2010-04-14 3:33 ` Christian Lynbech
2010-04-14 23:33 ` Richard Stallman
2010-04-14 5:02 ` Richard Stallman
2010-04-14 6:45 ` christian.lynbech
2010-04-14 19:07 ` Thomas Lord
2010-04-14 19:34 ` Bruce Stephens
2010-04-14 20:09 ` Jose A. Ortega Ruiz
2010-04-15 7:34 ` christian.lynbech
2010-04-14 23:33 ` Richard Stallman
2010-04-15 3:52 ` Drew Adams
2010-04-15 6:01 ` David Kastrup
2010-04-15 6:54 ` Drew Adams
2010-04-15 11:59 ` Jeff Clough
2010-04-15 12:49 ` christian.lynbech
2010-04-15 13:54 ` Jeff Clough
2010-04-15 14:03 ` Lennart Borgman
2010-04-15 16:13 ` Drew Adams
2010-04-16 13:48 ` Jeff Clough
2010-04-16 14:03 ` christian.lynbech
2010-04-16 14:25 ` Jeff Clough
2010-04-16 14:25 ` Drew Adams
2010-04-16 14:39 ` David Kastrup
2010-04-16 14:40 ` Jeff Clough
2010-04-16 8:27 ` christian.lynbech
2010-04-17 4:41 ` Richard Stallman
2010-04-19 7:52 ` christian.lynbech
2010-04-16 22:29 ` Emacs Info manuals (was: Guile in Emacs) Juri Linkov
2010-04-15 16:11 ` Guile in Emacs Drew Adams
2010-04-15 7:21 ` christian.lynbech
2010-04-15 7:36 ` David Kastrup
2010-04-15 8:34 ` christian.lynbech
2010-04-15 9:06 ` David Kastrup
2010-04-15 9:45 ` Helmut Eller
2010-04-15 10:39 ` christian.lynbech
2010-04-15 18:47 ` Richard Stallman
2010-04-15 22:42 ` Harald Hanche-Olsen
2010-04-15 22:50 ` Harald Hanche-Olsen
2010-04-17 4:40 ` Richard Stallman
2010-04-15 23:02 ` Helmut Eller
2010-04-17 4:40 ` Richard Stallman
2010-04-17 6:46 ` Helmut Eller
2010-04-17 19:55 ` Richard Stallman
2010-04-14 13:30 ` John Wiegley
2010-04-14 14:18 ` Helmut Eller
2010-04-14 15:40 ` Tom Tromey
2010-04-14 7:51 ` David Kastrup
2010-04-14 8:42 ` christian.lynbech
2010-04-14 9:55 ` immanuel litzroth
2010-04-14 10:28 ` christian.lynbech
2010-04-14 11:25 ` Stephen J. Turnbull
2010-04-14 12:26 ` christian.lynbech
2010-04-14 16:49 ` Ken Raeburn
2010-04-14 18:29 ` Tom Tromey
2010-04-14 20:02 ` Ken Raeburn
2010-04-14 11:23 ` Jeff Clough
2010-04-14 13:11 ` Stephen J. Turnbull
2010-04-14 13:11 ` Stephen Eilert
2010-04-14 13:49 ` Helmut Eller
2010-04-14 15:47 ` Tom Tromey
2010-04-14 16:41 ` Drew Adams
2010-04-14 20:10 ` David De La Harpe Golden
2010-04-15 10:38 ` Leo
2010-03-06 19:04 ` integer overflow Helmut Eller
2010-03-06 21:26 ` Stefan Monnier
2010-03-07 7:51 ` Richard Stallman
2010-03-07 19:05 ` Johan Bockgård
2010-03-06 20:35 ` Chong Yidong
2010-03-13 3:10 ` Next pretest, and branching plans Christoph
2010-03-13 7:42 ` Eli Zaretskii
2010-03-13 14:54 ` Christoph
2010-03-13 18:30 ` Stefan Monnier
2010-03-13 19:06 ` Eli Zaretskii
2010-03-14 2:38 ` Jason Rumney
2010-03-14 2:50 ` Christoph
2010-03-14 3:07 ` Jason Rumney
2010-03-14 17:55 ` Eli Zaretskii
2010-03-17 0:29 ` Christoph
2010-03-17 4:14 ` Eli Zaretskii
2010-03-17 12:44 ` Jason Rumney
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