Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!news.albasani.net!rt.uk.eu.org!newsfeed.xs4all.nl!newsfeed2a.news.xs4all.nl!xs4all!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 0.012 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'binary': 0.07; 'rounds': 0.09; 'subject:module': 0.09; 'cc:addr:python-list': 0.11; 'decimal.': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'gonna': 0.16; 'mean,': 0.16; 'str()': 0.16; 'wrote:': 0.18; 'feb': 0.22; 'cc:addr:python.org': 0.22; 'cc:2**0': 0.24; 'values': 0.27; 'header:In-Reply-To:1': 0.27; 'message-id:@mail.gmail.com': 0.30; 'easier': 0.31; 'decimal': 0.31; 'fri,': 0.33; 'plain': 0.33; 'but': 0.35; 'received:google.com': 0.35; 'pm,': 0.38; 'first': 0.61; 'float,': 0.84; 'tolerate': 0.84; 'to:none': 0.92 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:cc :content-type; bh=HItWmTcaQ2L/bpitju6Tfi0jNkkPRjo12G9pO4MDcZ8=; b=xNqrK9pKppy5AAHWVRqqFlMIYzdbPwG9sVB+kc5MARMkPabVu2wZxyozaTU0KkvLEL xdV48djhYmGmYivAGaRcIZxj8IrEUAlW2MT8sKFBjSb7wVOSDadXUnwqMCS7HzKKzrkm QOUcrOSIJhq8kW6SlMItzEZGQLQqhpohEq+R9d55OzEhhk6Z0fXJ9pVw6oxP2zmnsxtu VMWv8vqSnwLst+7YVracLTZYxSTQVejcO7lHi1nAalRpiAU2CvgWmDc0AiLq5MGnUkWp Fm6l6fLnM7w0rESZjPlAbG0kScUgcTNI8COY7pALiM1LDSKCEtK2clvYONb+y7hnxPfb b4Ng== MIME-Version: 1.0 X-Received: by 10.66.181.70 with SMTP id du6mr357362pac.23.1393561619244; Thu, 27 Feb 2014 20:26:59 -0800 (PST) In-Reply-To: <63868b32-5206-435d-aa3d-f3040f65f72b@googlegroups.com> References: <02cdd9c7-aef7-4cc7-a813-cd1c9627ceb4@googlegroups.com> <94b1962a-0004-4c5b-b484-972a166b88b5@googlegroups.com> <55525f2c-fd3a-4927-b642-2dbf5eae7e9b@googlegroups.com> <360e87d2-4daf-4222-8ebe-51f3e4d1fade@googlegroups.com> <9f7b535f-9e5d-45df-96f6-6cd8f6b4a524@googlegroups.com> <63868b32-5206-435d-aa3d-f3040f65f72b@googlegroups.com> Date: Fri, 28 Feb 2014 15:26:59 +1100 Subject: Re: extend methods of decimal module From: Chris Angelico Cc: "python-list@python.org" 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: 11 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1393561622 news.xs4all.nl 2860 [2001:888:2000:d::a6]:47876 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:67191 On Fri, Feb 28, 2014 at 1:15 PM, Mark H. Harris wrote: > Its just easier to type D(2.78) than Deciaml('2.78'). It's easier to type 2.78 than 2.718281828, too, but one of them is just plain wrong. Would you tolerate using 2.78 for e because it's easier to type? I mean, it's gonna be close. Create Decimal values from strings, not from the str() of a float, which first rounds in binary and then rounds in decimal. ChrisA