From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11226 invoked by alias); 10 Dec 2002 14:28:25 -0000 Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-prs-owner@gcc.gnu.org Received: (qmail 11202 invoked by uid 61); 10 Dec 2002 14:28:25 -0000 Date: Tue, 10 Dec 2002 06:28:00 -0000 Message-ID: <20021210142825.11201.qmail@sources.redhat.com> To: gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org, weber@informatik.uni-kl.de From: bangerth@dealii.org Reply-To: bangerth@dealii.org, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org, weber@informatik.uni-kl.de, gcc-gnats@gcc.gnu.org Subject: Re: optimization/7175: Calculation yields different results for version optimized with -O2 X-SW-Source: 2002-12/txt/msg00549.txt.bz2 List-Id: Synopsis: Calculation yields different results for version optimized with -O2 State-Changed-From-To: feedback->closed State-Changed-By: bangerth State-Changed-When: Tue Dec 10 06:28:23 2002 State-Changed-Why: Then this is not a problem of handling inaccuracies, but of handling excess accuracy due to the idiotic x87 floating point representation. Read the section on non-bugs on the gcc homepage for a description. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7175