220 31809 <58DA6FC5.3090408@gmail.com> article Path: news.gmane.org!.POSTED!not-for-mail From: Matthew Woehlke Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Number Concept Family Date: Tue, 28 Mar 2017 10:14:29 -0400 Lines: 24 Approved: news@gmane.org Message-ID: <58DA6FC5.3090408@gmail.com> References: <50075dd2-ae2a-4022-8e94-196d44e34687@isocpp.org> <49308661-71b7-f4a1-b2b2-d5320f6b5372@wanadoo.fr> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: blaine.gmane.org 1490710488 14365 195.159.176.226 (28 Mar 2017 14:14:48 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 28 Mar 2017 14:14:48 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBC37LBFWUIFBBR675HDAKGQE5XJH3QI@isocpp.org Tue Mar 28 16:14:36 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-qt0-f197.google.com ([209.85.216.197]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1csrtC-0001a3-Nr for gclcip-std-proposals@m.gmane.org; Tue, 28 Mar 2017 16:14:26 +0200 Original-Received: by mail-qt0-f197.google.com with SMTP id 30sf51732221qtw.19 for ; Tue, 28 Mar 2017 07:14:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:x-original-sender:x-original-authentication-results :reply-to:precedence:mailing-list:list-id:x-spam-checked-in-group :list-post:list-help:list-archive:list-subscribe:list-unsubscribe; bh=1lZuN3K0Ex+VdttFAOkxR9GH7fASXs8zRYA3mVz+tRo=; b=QFVHmJhXUW/kn8sjFyLeKqrxdky5d2CXgMFcFrzEsDHvf0TYkC3fawy33TGJJsShGZ j1jwY+9g51tyZwgfLzdseSO9CIDIOVwAU+u9PCVXXkaGV1QrM5UWK3MQJDW7nA22/fR2 CcZjnSLl1cqAy9Vu2DDxv0Ymq3ft1wv0VXXbOPF2itiOlQziJTuEgNIRrBIubDhz4Wqy 1VgraGknn2qy2ik5vSHJdQtrFwlgrQZd9MPdlGZfcueLRBMX+POSDMaymGoE5kY76e7O HcVgZiUMYS5bdgHwG3wElYklqfyaA+vbPUWo59myG9FiWWJe9JYLcogh34lDb+RVrwic xTDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=1lZuN3K0Ex+VdttFAOkxR9GH7fASXs8zRYA3mVz+tRo=; b=faki1Td+dkDIyOVS0fyi+Vx58MQCb/MHrV60Ig880/PVE/2S7XJ9t7un9ijlooN43Y SrQ0AOzg+/mA+xoBJRiz4DC0MZZEeA2ozWQGD1xkdybZ5KmcR8FhLlYv2YTqVfPPTome g2HflIwW0L/nz2Pail47L2EEsFpcyqoqaWQ6yxR7LxUlHL5y949VLvcdMiUB22u7pqE6 6cSSbcrKgLxbtS+7LZYoWbY56gUITcjjp6oS8nNg9Q8g9r/SKIYsS0NOYqwIMg8NkIpw 6ZL2kkOMlb0vetQtb9vtGBtjwfLHrZtYn9Mcox3pHcimYFctMWozJyojk2yIzcB+zIKz VFEA== X-Gm-Message-State: AFeK/H3QCG0pfaExN0ERhvkadV9m4V4nXVgZwc9c75zIcUY8dgsFJ7TNh1WmvnWm6JkDxQ== X-Received: by 10.237.60.12 with SMTP id t12mr8933244qte.38.1490710472581; Tue, 28 Mar 2017 07:14:32 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.157.42.101 with SMTP id t92ls1252760ota.41.gmail; Tue, 28 Mar 2017 07:14:31 -0700 (PDT) X-Received: by 10.157.14.28 with SMTP id c28mr13677779otc.228.1490710471410; Tue, 28 Mar 2017 07:14:31 -0700 (PDT) Original-Received: from mail-oi0-x231.google.com (mail-oi0-x231.google.com. [2607:f8b0:4003:c06::231]) by mx.google.com with ESMTPS id 102si2102847otd.86.2017.03.28.07.14.31 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Mar 2017 07:14:31 -0700 (PDT) Received-SPF: pass (google.com: domain of mwoehlke.floss@gmail.com designates 2607:f8b0:4003:c06::231 as permitted sender) client-ip=2607:f8b0:4003:c06::231; Original-Received: by mail-oi0-x231.google.com with SMTP id f193so40240563oib.2 for ; Tue, 28 Mar 2017 07:14:31 -0700 (PDT) X-Received: by 10.202.48.19 with SMTP id w19mr10016539oiw.87.1490710471086; Tue, 28 Mar 2017 07:14:31 -0700 (PDT) Original-Received: from [192.168.1.176] (tripoint.kitware.com. [66.194.253.20]) by smtp.googlemail.com with ESMTPSA id j125sm1735256oib.27.2017.03.28.07.14.30 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Mar 2017 07:14:30 -0700 (PDT) In-Reply-To: X-Original-Sender: mwoehlke.floss@gmail.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com; spf=pass (google.com: domain of mwoehlke.floss@gmail.com designates 2607:f8b0:4003:c06::231 as permitted sender) smtp.mailfrom=mwoehlke.floss@gmail.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gmail.com 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:31809 Archived-At: On 2017-03-26 16:05, Christopher Di Bella wrote: > On 2017-03-26 11:24, Vicente J. Botet Escriba wrote: >> I don't see the operator% on you clasification > > operator% is a tricky one: floating-point numbers don't support operator%. > Does it make sense to use operator% on a some type that isn't an integer? > If so, it would be a good addition for RegularNumber/FieldNumber, but I > think there should be a general group of numbers that we can use operator% > on. FWIW, I'm not aware of the historical reasons why `operator%` is not defined for floating point types, but it certainly isn't because you can't do modulo arithmetic on them... for some reason, that operation for floating points is spelled `fmod` instead of `operator%`. -- 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. 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