220 15606 article Path: news.gmane.org!not-for-mail From: Matthew Woehlke Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Library support for relaxed constexpr Date: Mon, 12 Jan 2015 16:39:29 -0500 Lines: 27 Approved: news@gmane.org Message-ID: References: <5ccd3d6e-859c-4b66-b61c-317b704647f2@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1421098792 31320 80.91.229.3 (12 Jan 2015 21:39:52 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 12 Jan 2015 21:39:52 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCO5FYHBU4ERBIH62CSQKGQEYGKYCSI@isocpp.org Mon Jan 12 22:39:46 2015 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-la0-f72.google.com ([209.85.215.72]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YAmiA-0000qf-Cw for gclcip-std-proposals@m.gmane.org; Mon, 12 Jan 2015 22:39:46 +0100 Original-Received: by mail-la0-f72.google.com with SMTP id gq15sf14661565lab.3 for ; Mon, 12 Jan 2015 13:39:45 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:to:from:subject:date:lines:message-id:references :mime-version:content-type:user-agent:in-reply-to:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:list-subscribe :list-unsubscribe; bh=lVRpD7RpWZRtVcFDteSgTt2p/XDNSXC3hb9IPfMteRg=; b=fwCUVkQ+IX3f86AbFKVk+1WGBGi+gyhQxgxBQgTKvQRwVBZFITJkoZOewusP746X8G Sm/caF8WBhSQRl8nHz2hCWZ/cL6QXGxPc32w28bvTfm4UbBIWHo9crvc5tDLnMEJaK2J 5j3+qdmtfOD0T6Cq6XkL1uGcTPiZ4puW5LUljsacCvVpIUxuNUilevKgGmu1bn1Vi7lq TKLlOEZzSGFrUy1IQJ4XtV9Atb9IsnSHQ69pYycXIUCc4fAwCcI9uGHBn2Lmoqyz73wx gkY2bhdPXFpx2fgmVIlCvJ89bNMYSjwOfaColqXyeA6XcoC8JH5JLDuRG6zrjuEJ89t4 U/EA== X-Gm-Message-State: ALoCoQn9FXQncfKHObs8VjrwP72ENfJJeazpHRsZc42lcXBjVbILrndlaT2G5H/gMDGno9TlgylX X-Received: by 10.180.105.97 with SMTP id gl1mr2402129wib.7.1421098785816; Mon, 12 Jan 2015 13:39:45 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.152.36.100 with SMTP id p4ls781299laj.24.gmail; Mon, 12 Jan 2015 13:39:44 -0800 (PST) X-Received: by 10.112.164.102 with SMTP id yp6mr38174147lbb.15.1421098784003; Mon, 12 Jan 2015 13:39:44 -0800 (PST) Original-Received: from plane.gmane.org (plane.gmane.org. [80.91.229.3]) by mx.google.com with ESMTPS id k1si1183874laf.21.2015.01.12.13.39.43 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Mon, 12 Jan 2015 13:39:43 -0800 (PST) Received-SPF: pass (google.com: domain of gclcip-std-proposals@m.gmane.org designates 80.91.229.3 as permitted sender) client-ip=80.91.229.3; Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1YAmi4-0000nR-O2 for std-proposals@isocpp.org; Mon, 12 Jan 2015 22:39:40 +0100 Original-Received: from tripoint.kitware.com ([66.194.253.20]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 12 Jan 2015 22:39:40 +0100 Original-Received: from mw_triad by tripoint.kitware.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 12 Jan 2015 22:39:40 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 18 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: tripoint.kitware.com User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 In-Reply-To: <5ccd3d6e-859c-4b66-b61c-317b704647f2@isocpp.org> X-Original-Sender: mw_triad@users.sourceforge.net X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of gclcip-std-proposals@m.gmane.org designates 80.91.229.3 as permitted sender) smtp.mail=gclcip-std-proposals@m.gmane.org Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:15606 Archived-At: On 2015-01-12 15:56, rhalbersma@gmail.com wrote: > [...] it is perhaps time to introduce this feature > into the Standard Library. > > I write "introduce" rather than "update" because AFAICS, there is currently > *zero* usage of relaxed constexpr (e.g. non-const but constexpr member > functions) in the current Draft Standard. Some implementations have apparently started adding constexpr anyway. If a concerted effort is made to 'fix' this, please don't forget places like , , etc. (I had to change some code that was originally written against libstdc++ because libc++ does not have constexpr of e.g. ldexp. Having constexpr of basic math functions and number manipulation functions seems like a no-brainer...) -- Matthew -- --- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. Visit this group at http://groups.google.com/a/isocpp.org/group/std-proposals/. .