Path: csiph.com!optima2.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!1.eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed7.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 0.004 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'skip:/ 10': 0.07; '2147483647': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:skip:m 10': 0.09; 'python': 0.11; '-i386': 0.16; 'do!': 0.16; 'osx': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'wrote:': 0.16; '64-bit': 0.22; 'bit': 0.23; 'header:User-Agent:1': 0.26; 'header:X-Complaints- To:1': 0.26; 'to:addr:python-list': 0.35; 'subject:: ': 0.37; 'charset:us-ascii': 0.37; 'mac': 0.37; 'received:org': 0.38; 'to:addr:python.org': 0.39; 'sure': 0.40; 'received:204': 0.75; 'article': 0.77; 'mac.': 0.84; 'processor.': 0.84 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Ned Deily Subject: Re: Bug in floating point multiplication Date: Thu, 02 Jul 2015 22:07:31 -0700 References: <55955048$0$1662$c3e8da3$5496439d@news.astraweb.com> <559579bb$0$2921$e4fe514c@news.xs4all.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: 204.28.118.160 User-Agent: MT-NewsWatcher/3.5.3b3 (Intel Mac OS X) X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20+ 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: 20 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1435900060 news.xs4all.nl 2887 [2001:888:2000:d::a6]:45886 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:93460 In article <559579bb$0$2921$e4fe514c@news.xs4all.nl>, Irmen de Jong wrote: > Tested on Mac OSX 10.10.4, with a 64-bit core2duo processor. Below are all > 64-bit python > implementations: > 2.6.9 (apple supplied), 2.7.6 (apple supplied), 3.4.3 (homebrew), and > pypy-2.6.0 > (homebrew). I don't have any 32 bit Python implementations on the mac. Sure you do! $ /usr/bin/python2.7 -c 'import sys;print(sys.maxsize)' 9223372036854775807 $ arch -i386 /usr/bin/python2.7 -c 'import sys;print(sys.maxsize)' 2147483647 -- Ned Deily, nad@acm.org