From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Making 'eq' == 'eql' in bignum branch Date: Fri, 10 Aug 2018 01:02:14 -0700 Organization: UCLA Computer Science Department Message-ID: <98fe3bef-3218-1c79-f095-64366a1905f0@cs.ucla.edu> References: <29f933ac-a6bf-8742-66a7-0a9d6d3e5a88@disroot.org> <8e0320d9-e0d0-2b57-57cc-2df4399f133c@cs.ucla.edu> <87lgaio7xd.fsf@tromey.com> <877em1cb0i.fsf@tromey.com> <765767b2-d2e5-a9a6-f724-d58ecf4847bb@cs.ucla.edu> <76081b5d-8c10-0a37-2c97-d4864c0faa80@cs.ucla.edu> <09153aed-361d-4f82-d9ac-b502314769ae@cs.ucla.edu> <83600yt8ih.fsf@gnu.org> <83h8kgpnir.fsf@gnu.org> <7dd71d44-69bc-3adf-576b-8b9e31184a24@cs.ucla.edu> <83d0v4p1si.fsf@gnu.org> <827beb76-3adf-f2f9-33b1-1baee55680cd@cs.ucla.edu> <83wotbo04h.fsf@gnu.org> <77d5f8b0-2277-b28e-8565-d3e00c411795@cs.ucla.edu> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1533888082 25481 195.159.176.226 (10 Aug 2018 08:01:22 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 10 Aug 2018 08:01:22 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 Cc: Eli Zaretskii , Stefan Monnier , emacs-devel@gnu.org To: =?UTF-8?Q?Elias_M=c3=a5rtenson?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Aug 10 10:01:18 2018 Return-path: Envelope-to: ged-emacs-devel@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 1fo2MH-0006Vz-LC for ged-emacs-devel@m.gmane.org; Fri, 10 Aug 2018 10:01:17 +0200 Original-Received: from localhost ([::1]:54854 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fo2OO-0005QJ-AI for ged-emacs-devel@m.gmane.org; Fri, 10 Aug 2018 04:03:28 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:41983) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fo2NK-0005N7-Le for emacs-devel@gnu.org; Fri, 10 Aug 2018 04:02:26 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fo2NJ-0000Vy-TL for emacs-devel@gnu.org; Fri, 10 Aug 2018 04:02:22 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:58132) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fo2NF-0000Oc-BJ; Fri, 10 Aug 2018 04:02:17 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 7828C16103A; Fri, 10 Aug 2018 01:02:16 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id jr_-1tHWLgo3; Fri, 10 Aug 2018 01:02:15 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id C55D41610DE; Fri, 10 Aug 2018 01:02:15 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id fqjWv8-DjAnt; Fri, 10 Aug 2018 01:02:15 -0700 (PDT) Original-Received: from [192.168.1.9] (unknown [47.154.30.119]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 598B316103A; Fri, 10 Aug 2018 01:02:15 -0700 (PDT) In-Reply-To: Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:228356 Archived-At: Elias M=C3=A5rtenson wrote: > I'm wondering why you > don't use the high order bits of the exponent instead of the low order = bits > of the mantissa? Because my benchmark was quick and dirty, and it was easier to mess with = the low=20 order bits that the code is already messing with. I have been considering= using=20 high order bits. (It's also possible to use some of each.)