From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#32463: 27.0.50; (logior -1) => 4611686018427387903 Date: Thu, 23 Aug 2018 17:05:31 +0300 Message-ID: <836001b2l0.fsf@gnu.org> References: <0a84a85a-a5df-e557-72ee-6a28b478a92c@cs.ucla.edu> <867ekidls4.fsf@gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: blaine.gmane.org 1535033196 7677 195.159.176.226 (23 Aug 2018 14:06:36 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 23 Aug 2018 14:06:36 +0000 (UTC) Cc: 32463@debbugs.gnu.org To: Andy Moreton Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Aug 23 16:06:32 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fsqFs-0001uK-0y for geb-bug-gnu-emacs@m.gmane.org; Thu, 23 Aug 2018 16:06:32 +0200 Original-Received: from localhost ([::1]:36700 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsqHy-00033T-AD for geb-bug-gnu-emacs@m.gmane.org; Thu, 23 Aug 2018 10:08:42 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55647) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsqFT-0001KT-Rz for bug-gnu-emacs@gnu.org; Thu, 23 Aug 2018 10:06:13 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fsqFO-0005xg-AA for bug-gnu-emacs@gnu.org; Thu, 23 Aug 2018 10:06:07 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:53950) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fsqFO-0005xW-5g for bug-gnu-emacs@gnu.org; Thu, 23 Aug 2018 10:06:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1fsqFN-0005EX-Sz for bug-gnu-emacs@gnu.org; Thu, 23 Aug 2018 10:06:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 23 Aug 2018 14:06:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 32463 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 32463-submit@debbugs.gnu.org id=B32463.153503315620106 (code B ref 32463); Thu, 23 Aug 2018 14:06:01 +0000 Original-Received: (at 32463) by debbugs.gnu.org; 23 Aug 2018 14:05:56 +0000 Original-Received: from localhost ([127.0.0.1]:58968 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fsqFH-0005EE-LV for submit@debbugs.gnu.org; Thu, 23 Aug 2018 10:05:55 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:34556) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fsqFG-0005Dz-1S for 32463@debbugs.gnu.org; Thu, 23 Aug 2018 10:05:54 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fsqF9-0005rp-2m for 32463@debbugs.gnu.org; Thu, 23 Aug 2018 10:05:48 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:34320) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsqF8-0005rT-Uy; Thu, 23 Aug 2018 10:05:47 -0400 Original-Received: from [176.228.60.248] (port=4646 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1fsqF8-0007z5-4e; Thu, 23 Aug 2018 10:05:46 -0400 In-reply-to: <867ekidls4.fsf@gmail.com> (message from Andy Moreton on Thu, 23 Aug 2018 00:27:55 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:149690 Archived-At: > From: Andy Moreton > Date: Thu, 23 Aug 2018 00:27:55 +0100 > > The current documentation is uninformative: > > Maximum number of bits in bignums. > Integers outside the fixnum range are limited to absolute values less > than 2**N, where N is this variable’s value. N should be nonnegative. > > This says plenty abut fixnums, but does not mention that anything larger > than fixnum range is represented as a bignum. For users who are new to > all of this, it is important to state that. > > I think it is worth mentioning that intermediate computations not visible > to lisp may use slightly larger bignums, and to make it clear that this > is a soft limit intended to prevent misbehaviour of the runtime. Feel free to propose a documentation patch, and let's take it from there.