From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-return-115258-listarch-gcc=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 28238 invoked by alias); 31 May 2005 15:11:15 -0000
Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Archive: <http://gcc.gnu.org/ml/gcc/>
List-Post: <mailto:gcc@gcc.gnu.org>
List-Help: <http://gcc.gnu.org/ml/>
Sender: gcc-owner@gcc.gnu.org
Received: (qmail 27521 invoked by uid 22791); 31 May 2005 15:11:00 -0000
Received: from cantor.suse.de (HELO mx1.suse.de) (195.135.220.2)
    by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Tue, 31 May 2005 15:11:00 +0000
Received: from hermes.suse.de (hermes-ext.suse.de [195.135.221.8])
	(using TLSv1 with cipher EDH-RSA-DES-CBC3-SHA (168/168 bits))
	(No client certificate requested)
	by mx1.suse.de (Postfix) with ESMTP id 224B0F229;
	Tue, 31 May 2005 17:10:59 +0200 (CEST)
From: Andreas Schwab <schwab@suse.de>
To: Scott Robert Ladd <scott.ladd@coyotegulch.com>
Cc: gcc@gcc.gnu.org
Subject: Re: What is wrong with Bugzilla? [Was: Re: GCC and Floating-Point]
References: <002d01c5643c$cfcc1140$bebc2997@bagio>
	<OFA3607230.3197BBF0-ON43257010.003EFC6F-43257010.00542AB2@il.ibm.com>
	<26669933.1117479096256.JavaMail.root@dtm1eusosrv72.dtm.ops.eu.uu.net>
	<429B7506.8010107@moene.indiv.nluug.nl>
	<20050531121701.GQ3541@ay.vinc17.org> <jek6lftwbu.fsf@sykes.suse.de>
	<20050531124837.GT3541@ay.vinc17.org> <jefyw3tt8j.fsf@sykes.suse.de>
	<20050531134304.GV3541@ay.vinc17.org> <jeacmbtrnq.fsf@sykes.suse.de>
	<429C751C.2080108@coyotegulch.com>
X-Yow: I want EARS!  I want two ROUND BLACK EARS to make me feel warm 'n secure!!
Date: Tue, 31 May 2005 17:03:00 -0000
In-Reply-To: <429C751C.2080108@coyotegulch.com> (Scott Robert Ladd's message
	of "Tue, 31 May 2005 10:30:52 -0400")
Message-ID: <je1x7ntoql.fsf@sykes.suse.de>
User-Agent: Gnus/5.110003 (No Gnus v0.3) Emacs/22.0.50 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 8bit
X-SW-Source: 2005-05/txt/msg01696.txt.bz2

Scott Robert Ladd <scott.ladd@coyotegulch.com> writes:

> Andreas Schwab wrote:
>>> No, this is not portable,
>> 
>> Sure they are, since they are required since C89.
>> 
>> You can use <float.h> to find that out.  That's what portability is
>> about.
>
> "Portability" means different things to different people. There's a
> difference between source code portability and "result" portability.

But making round to double the default makes it only worse in this case,
since there is no portable way to change the rounding precision.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."