From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: [Emacs-diffs] master 1d2df2f: Improve bignum comparison Date: Wed, 22 Aug 2018 18:51:24 +0300 Message-ID: <83wosibds3.fsf@gnu.org> References: <831saqcva7.fsf@gnu.org> <0e5674b4-1cd7-8bae-b7a0-a3e770db6155@cs.ucla.edu> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1534953073 3720 195.159.176.226 (22 Aug 2018 15:51:13 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 22 Aug 2018 15:51:13 +0000 (UTC) Cc: emacs-devel@gnu.org To: Paul Eggert Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Aug 22 17:51:09 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 1fsVPZ-0000lM-8h for ged-emacs-devel@m.gmane.org; Wed, 22 Aug 2018 17:51:09 +0200 Original-Received: from localhost ([::1]:59599 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsVRd-0001Uj-VS for ged-emacs-devel@m.gmane.org; Wed, 22 Aug 2018 11:53:18 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47244) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsVRP-0001TX-3X for emacs-devel@gnu.org; Wed, 22 Aug 2018 11:53:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fsVQ4-00072f-OB for emacs-devel@gnu.org; Wed, 22 Aug 2018 11:51:45 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:35695) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsVPv-0006wD-Np; Wed, 22 Aug 2018 11:51:34 -0400 Original-Received: from [176.228.60.248] (port=4363 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1fsVPs-0007FK-J2; Wed, 22 Aug 2018 11:51:29 -0400 In-reply-to: <0e5674b4-1cd7-8bae-b7a0-a3e770db6155@cs.ucla.edu> (message from Paul Eggert on Wed, 22 Aug 2018 08:06:34 -0700) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e 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:228816 Archived-At: > Cc: emacs-devel@gnu.org > From: Paul Eggert > Date: Wed, 22 Aug 2018 08:06:34 -0700 > > In practice isnan support is universal nowadays in the non-Microsoft world, and > even MSVC has it, as I understand it. If there are problems (when compiling for > MS-Windows 95, say?) we can fix them by doing something like adding "#define > isnan _isnan" in src/w32.h. It's better to isolate portability hacks to > platform-specific code, when the problem is platform-specific. I wasn't worried about MSVC or Windows (there are no problems there), I was worried about a more general assumption of a C99 library. I didn't think we assume that yet.