Path: csiph.com!news.swapon.de!fu-berlin.de!uni-berlin.de!not-for-mail From: Chris Angelico Newsgroups: comp.lang.python Subject: Re: Curious Omission In New-Style Formats Date: Wed, 13 Jul 2016 23:49:56 +1000 Lines: 19 Message-ID: References: <7fcc8c21-106f-41d4-a5ba-409f3b54a56d@googlegroups.com> <5783c91e$0$1622$c3e8da3$5496439d@news.astraweb.com> <57846636$0$1621$c3e8da3$5496439d@news.astraweb.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: news.uni-berlin.de NUDWwkbRAARZvKDDpMyuSwBHwNNqKVngiw0YmJJ0eDOw== 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; 'cc:addr:python-list': 0.09; 'modulo': 0.09; 'rules.': 0.09; 'wed,': 0.15; '*always*': 0.16; '2016': 0.16; 'blame': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'received:io': 0.16; 'received:psf.io': 0.16; "skip:' 60": 0.16; 'wrote:': 0.16; 'cc:2**0': 0.20; 'cc:addr:python.org': 0.20; 'forgot': 0.23; 'header:In-Reply-To:1': 0.24; 'message-id:@mail.gmail.com': 0.27; '13,': 0.29; "i'm": 0.30; 'point': 0.33; 'languages': 0.34; 'received:google.com': 0.35; 'quite': 0.35; 'pm,': 0.36; 'subject:: ': 0.37; 'difference': 0.38; 'subject:-': 0.39; 'different': 0.63; '>>>>>': 0.66; 'jul': 0.72; 'chrisa': 0.84; 'to:none': 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:cc; bh=cnNeibzF6dL3TiW1aEw0Je3xAMhCV1yFcfc2sZX7KKA=; b=Hio7JEYegDDPiSOW1aIAudkq8KIFUTIuQLq3lstm4VfiBpM2n9TfstUt5tSyBsU6jR oMWoGgFEfssXGmav8oaoYo4b8OJf8A6GWMrmJcFJiHCuQNapRgANsdpxlP5ecNffmL6z vcwb/WQz49SW5lgeQzVcwfL/tLYTaDWHO+ln73vfV8SchqqnAnpBzfHki2UHVNnLiUzf vyTbhu37hbdPLhc9pljkY7MPWfx+ivbvd0OMSTNYrEDshyag+qOvPnxJH6pjXhB1/lZr pbAsSch/FtPIHw/MoI/2KmvKJT1mx7bmlGnI+idxIiuGruxsPFjVXzSqU2CCPe3emqfP zApA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:cc; bh=cnNeibzF6dL3TiW1aEw0Je3xAMhCV1yFcfc2sZX7KKA=; b=ZzbE8CxW+tn3BNv3HbaH4hvyaBuO2bHnoOx5dRkVjZCHL+n2QM5E2JSs8IpNggX8bE yPg1Ql7F2qM2516/PNGSmKRAmlhMLvCzPN3YznadQisOjehIqbDNTaBi3iyodVqzkbd9 sd+dXlD2T7KdkT01U/B93bedlMhsBp2wenc2lVQUGqi6IwBs3RYY7Cdw6mr6LD8llpyM Ai/EXRL8ZOc4t4POpj5wDR8Xm7Qkx5vUa3ozUeJHEknpAajxpb4/c9cdhUKB5RFfoLA2 ePqDQ/I0nRl7wos3UrKUAIzr2v83kNon3o1dckcQa2HnoyvR4Gvmimguure4WJ1hZx5z LyzA== X-Gm-Message-State: ALyK8tIl9SWBr0dcwQiEnyBV+YzCwwKxRXMht6w9xA0jCbRdczWgk+kQgV1bz3EMAe1SMuZQTaqUuxn/wJXbnA== X-Received: by 10.194.86.195 with SMTP id r3mr1043390wjz.30.1468417797143; Wed, 13 Jul 2016 06:49:57 -0700 (PDT) In-Reply-To: X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: X-Mailman-Original-References: <7fcc8c21-106f-41d4-a5ba-409f3b54a56d@googlegroups.com> <5783c91e$0$1622$c3e8da3$5496439d@news.astraweb.com> <57846636$0$1621$c3e8da3$5496439d@news.astraweb.com> Xref: csiph.com comp.lang.python:111399 On Wed, Jul 13, 2016 at 11:16 PM, Jussi Piitulainen wrote: >> Or just use divmod: >> >>>>> "%d.%02d" % divmod(1<<200, 100) >> '16069380442589902755419620923411626025222029937827928353013.76' > > I'm not quite ready to blame floating point for this difference yet: > >>>> "%d.%02d" % divmod(-1,100) > '-1.99' >>>> "%.2f" % (-1/100) > '-0.01' Ehhhh, forgot about that :D Negative numbers and modulo *always* trip me up, because different languages have different rules. I inevitably have to go check the docos. ChrisA