Re: 0.3-0.2=0.999999999998?

Article View: borland.public.jbuilder.java.language

Article #16368

Back to borland.public.jbuilder.java.language Previous Next

#16368

From: Jean-Baptiste Nizet
Date: Thu, 04 Mar 1999 00:00

47 lines
2129 bytes

This is a multi-part message in MIME format.
--------------BC87A26BCA6A3A5C4E6DF694
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

It's a normal result, and you will have such surprises whatever language or
computer you use.
1. Computers work with numbers in a binary way, not in a decimal way
2. All real numbers can't be exactly managed by float numbers.


"-=(CyBerco)=-" wrote:

> Hi,
>
> Try the following:
>
> System.out.println("What is 0.3-0.2 ? :  " + (0.3-0.2));
>
> How come? I sure didn't expect this outcome!
>
> Greetings,
> Berco.

--------------BC87A26BCA6A3A5C4E6DF694
Content-Type: text/x-vcard; charset=us-ascii;
 name="jbz.vcf"
Content-Transfer-Encoding: 7bit
Content-Description: Card for Jean-Baptiste Nizet
Content-Disposition: attachment;
 filename="jbz.vcf"

begin:vcard 
n:Nizet;Jean-Baptiste
x-mozilla-html:TRUE
org:<center><a href=http://www.ficsgrp.com>FICS Group</a></center>
adr:;;Excelsiorlaan, 87;1930 Zaventem;;;Belgium
version:2.1
email;internet:jean-baptiste.nizet@ficsgrp.com
title:ComSec Engineer
x-mozilla-cpt:;0
tel;home:04/222.93.62
tel;work:02/71.44.542
fn:Jean-Baptiste Nizet
end:vcard

--------------BC87A26BCA6A3A5C4E6DF694--

Technical Details

Message-ID: <36DE4DC2.5E9963CD@ficsgrp.com>

Path: arc1-ca.pugleaf.net!unknown!not-for-mail

References: <7blg56$2pl$1@zonnetje.NL.net>

Show Full Headers

Complete Article Headers

X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: f5d71,3b89176b465afef
X-Google-Attributes: gidf5d71,public
X-Google-Thread: f74b3,3b89176b465afef
X-Google-Attributes: gidf74b3,public
X-Google-Thread: 10a146,3b89176b465afef
X-Google-Attributes: gid10a146,public
From: Jean-Baptiste Nizet <jbz@ficsgrp.com>
Subject: Re: 0.3-0.2=0.999999999998?
Date: 1999/03/04
Message-ID: <36DE4DC2.5E9963CD@ficsgrp.com>
X-Deja-AN: 451091557
Cache-Post-Path: watson!unknown@172.16.11.27
References: <7blg56$2pl$1@zonnetje.NL.net>
To: "-=(CyBerco)=-" <Berco.Beute@EverMind.com>
X-Accept-Language: en
Content-Type: multipart/mixed; boundary="------------BC87A26BCA6A3A5C4E6DF694"
Organization: FICS Group
X-Cache: nntpcache 2.3.3 (see http://www.nntpcache.org/)
Mime-Version: 1.0
Newsgroups: borland.public.jbuilder.java.language,comp.lang.java,comp.lang.java.programmer

Reply to Parent Message