Path: csiph.com!usenet.pasdenom.info!news.franciliens.net!news.muarf.org!nntpfeed.proxad.net!proxad.net!feeder1-2.proxad.net!news.tele.dk!news.tele.dk!small.news.tele.dk!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.060 X-Spam-Evidence: '*H*': 0.88; '*S*': 0.00; 'subject:()': 0.09; 'jan': 0.12; "wouldn't": 0.14; 'posted': 0.15; 'c/c++': 0.16; 'guessing': 0.16; 'programmers,': 0.16; 'sat,': 0.16; 'language': 0.16; 'wrote:': 0.18; 'written': 0.21; 'sort': 0.25; 'second': 0.26; 'least': 0.26; 'header:In-Reply-To:1': 0.27; 'unix': 0.29; 'message-id:@mail.gmail.com': 0.30; "i'm": 0.30; "d'aprano": 0.31; 'steven': 0.31; 'received:google.com': 0.35; 'dates': 0.36; 'in.': 0.36; 'to:addr:python-list': 0.38; 'pm,': 0.38; 'to:addr:python.org': 0.39; 'most': 0.60; 'back': 0.62; '2015': 0.84; 'journal': 0.84; 'mindset': 0.84; 'subject:skip:n 10': 0.84; 'notable': 0.91 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=CyPRE/bUw+hYnUEx4BhJTX1UCu5SaY5ArFqd12hWFv0=; b=tJ5MI+Dlmpw6nto+isK8JasApdctvasSpp2B+S5NqdckgDIcwxJ3EFjSIZ2ubxCQaA W/oDRiWkiSR5KMPnjk/e/ehKKjgsfJIaWKkhQsst48cBIXqfvanP04nTRggyP/PhKrfh J773O7yhNW8bE+MeGlxTIZIB+74IxlRC1fZQVZLCiCXHzH2fY8h4DvswUi6+Qzp2lzCN TLStQ+Q/H7rNOXVZQpL+VkfoMLuNW9M49Ofdbh7grdpi2VYHqQlyxKpxmPbrxNYCitQh Tc+b6DtPUhOxr+OuS4UFm5nClFGr+byj/QH0TB1mWK+HYWvh2S6gQhMT2VbThFJoWpKo ZUgQ== X-Received: by 10.70.90.100 with SMTP id bv4mr25730292pdb.29.1421569495101; Sun, 18 Jan 2015 00:24:55 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <54bb2407$0$13002$c3e8da3$5496439d@news.astraweb.com> References: <54ba7113$0$12985$c3e8da3$5496439d@news.astraweb.com> <54bb2407$0$13002$c3e8da3$5496439d@news.astraweb.com> From: Ian Kelly Date: Sun, 18 Jan 2015 01:24:14 -0700 Subject: Re: numpy.allclose() To: Python Content-Type: text/plain; charset=UTF-8 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 9 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1421569503 news.xs4all.nl 2952 [2001:888:2000:d::a6]:41786 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:83970 On Sat, Jan 17, 2015 at 8:09 PM, Steven D'Aprano wrote: > I'm guessing that can only have come from the mindset of C/C++ programmers, > where this sort of thing is considered acceptable: Maybe. The journal reference in the second link I posted dates the practice back to at least 1975, a time predating K&R C, when it was most notable as the language that Unix was written in. I wouldn't be surprised if this actually originated from Fortran.