Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.fsmpi.rwth-aachen.de!rt.uk.eu.org!newsfeed.xs4all.nl!newsfeed1a.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: <2014@jmunch.dk> X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.109 X-Spam-Level: * X-Spam-Evidence: '*H*': 0.80; '*S*': 0.02; 'anders': 0.09; 'python': 0.11; 'exception?': 0.16; 'nan': 0.16; '>>>': 0.22; 'to:name :python-list@python.org': 0.22; 'header:User-Agent:1': 0.23; 'header:In-Reply-To:1': 0.27; 'apparently': 0.31; 'received:dk': 0.31; 'otherwise.': 0.36; 'charset:us-ascii': 0.36; 'wrong': 0.37; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'header :Return-path:1': 0.60; 'subject:For': 0.78; 'ethan': 0.84; 'furman': 0.84 Date: Tue, 08 Jul 2014 21:04:15 +0200 From: "Anders J. Munch" <2014@jmunch.dk> Organization: . User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: "python-list@python.org" Subject: Re: NaN comparisons - Call For Anecdotes References: <53BC05FB.4050707@jmunch.dk> <53BC2BA0.3050500@stoneleaf.us> In-Reply-To: <53BC2BA0.3050500@stoneleaf.us> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit 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: 1404846257 news.xs4all.nl 2879 [2001:888:2000:d::a6]:52289 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:74202 Ethan Furman skrev: > What exception? Apparently your claims about NaN in Python are all wrong -- > have you been using a custom interpreter? > >>> float('inf') - float('inf') > nan If you deliberately try to manufacture NaN's, you can. I never said otherwise. regards, Anders