From -4828082774549326862 X-Google-Thread: f78e5,4ba9dcb1ae436e16 X-Google-Attributes: gidf78e5,public X-Google-Language: ENGLISH,ASCII Path: g2news1.google.com!news1.google.com!news.glorb.com!news-out.ntli.net!newsrout1.ntli.net!news-in.ntli.net!ntli.net!news-hub.cableinet.net!blueyonder!peer-uk.news.demon.net!kibo.news.demon.net!news.demon.co.uk!demon!stump.algebra.com!devnull From: loic.actarus.joly@wanadoo.fr (=?ISO-8859-1?Q?Lo=EFc_Joly?=) Newsgroups: comp.std.c++ Subject: Re: Pi, Euler Number, and perhaps other 'natural' constants? Date: Thu, 29 Jul 2004 21:45:36 GMT Organization: Wanadoo, l'internet avec France Telecom Lines: 23 Sender: mail2news@demon.net Approved: fjh@cs.mu.oz.au (Fergus Henderson , moderator of comp.std.c++) Message-ID: References: <5cydnSisJNo4yJncRVn-sQ@speakeasy.net> <1090949817.234275@cswreg.cos.agilent.com> <1091124795.877336@cswreg.cos.agilent.com> NNTP-Posting-Host: news.news.demon.net Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable X-Trace: news.demon.co.uk 1091137542 19178 158.152.254.254 (29 Jul 2004 21:45:42 GMT) X-Complaints-To: abuse@demon.net NNTP-Posting-Date: Thu, 29 Jul 2004 21:45:42 +0000 (UTC) X-Robomod: STUMP, ichudov@algebra.com (Igor Chudov) X-User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040616 X-MIME-Autoconverted: from 8bit to quoted-printable by mulga.cs.mu.OZ.AU id i6TLjblR006306 X-Spam-Checker-Version: SpamAssassin 2.60-mulga_r1 (1.212-2003-09-23-exp) on mulga.cs.mu.OZ.AU X-Spam-Status: No, hits=-4.4 required=5.2 tests=AWL,BAYES_00 autolearn=ham version=2.60-mulga_r1 X-Accept-Language: en-us, en X-Path: comp-std-cpp-robomod!not-for-mail X-Received: (from fjh@localhost) by mulga.cs.mu.OZ.AU (8.12.10+Sun/8.12.9/Submit) id i6TLjaoN006296; Fri, 30 Jul 2004 07:45:36 +1000 (EST) X-NNTP-Posting-Date: 29 Jul 2004 20:22:32 GMT X-Delivered-To: std-c++@ucar.edu X-Spamscanner: mailbox8.ucsd.edu (v1.4 May 20 2004 13:55:33, 0.0/5.0 2.63) X-Authentication-Warning: mulga.cs.mu.OZ.AU: fjh set sender to devnull@stump.algebra.com using -f X-Newsgroups: comp.std.c++ X-MailScanner: PASSED (v1.2.8 44589 i6TKMijL064127 mailbox8.ucsd.edu) Xref: g2news1.google.com comp.std.c++:1493 Eric Backus wrote: > Actually, we're talking about the range [-PI/2,PI/2], right? So even i= f you > have a value of PI that is strictly less than the true pi, you can't > guarantee that PI/2 is strictly less than the true pi/2, unless you can > control rounding modes. Or unless you also have a PI_DIVIDED_BY_2 constant ? But then you might have PI_DIVIDED_BY_2 !=3D PI/2, and I'm not sure this=20 is a move in the right direction. --=20 Lo=EFc --- [ comp.std.c++ is moderated. To submit articles, try just posting with ] [ your news-reader. If that fails, use mailto:std-c++@ncar.ucar.edu ] [ --- Please see the FAQ before posting. --- ] [ FAQ: http://www.jamesd.demon.co.uk/csc/faq.html ]