delorie.com/archives/browse.cgi | search |
X-Recipient: | archive-cygwin AT delorie DOT com |
X-SWARE-Spam-Status: | No, hits=-0.8 required=5.0 tests=AWL,BAYES_05,SPF_HELO_PASS,T_RP_MATCHES_RCVD |
X-Spam-Check-By: | sourceware.org |
To: | cygwin AT cygwin DOT com |
From: | Peter Brown <pnbrown AT llnl DOT gov> |
Subject: | Re: 1.7.8: Fortran I/O rounding inaccuracy |
Date: | Mon, 7 Mar 2011 17:15:03 +0000 (UTC) |
Lines: | 29 |
Message-ID: | <loom.20110307T181232-654@post.gmane.org> |
References: | <AANLkTinwzNz4X8btcrjVm+3Lxp_30iqr4FkuB1U=rrr6 AT mail DOT gmail DOT com> <4D74FD73 DOT 7010900 AT saic DOT com> <4D7509D4 DOT 5000204 AT saic DOT com> |
Mime-Version: | 1.0 |
User-Agent: | Loom/3.14 (http://gmane.org/) |
X-IsSubscribed: | yes |
Mailing-List: | contact cygwin-help AT cygwin DOT com; run by ezmlm |
List-Id: | <cygwin.cygwin.com> |
List-Subscribe: | <mailto:cygwin-subscribe AT cygwin DOT com> |
List-Archive: | <http://sourceware.org/ml/cygwin/> |
List-Post: | <mailto:cygwin AT cygwin DOT com> |
List-Help: | <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs> |
Sender: | cygwin-owner AT cygwin DOT com |
Mail-Followup-To: | cygwin AT cygwin DOT com |
Delivered-To: | mailing list cygwin AT cygwin DOT com |
Roger K. Wells <ROGER.K.WELLS <at> saic.com> writes: > > On 03/07/2011 10:44 AM, Roger K. Wells wrote: > > On 03/07/2011 04:39 AM, Thomas Henlich wrote: > >> Hi, > >> > >> I found the following bug in cygwin 1.7.8 on Windows XP: > >> > >> Fortran I/O rounding truncates the result after a certain number of > >> digits. The following program: > >> === > >> write(*, '(f35.32)') 0.14285714285714285d0 > >> end > >> === > >> gives this output: > >> 0.14285714285714284921269000000000 > >> The expected output is: > >> 0.14285714285714284921269268124888 > >> I don't think this has anything to do with cygin. On our linux system I get With Intel ifort: 0.14285714285714284921269268124888 With gfortran 4.1.2s544 0.14285714285714284921269270000000 -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
webmaster | delorie software privacy |
Copyright © 2019 by DJ Delorie | Updated Jul 2019 |