xml-dev - Re: [xml-dev] Avoiding roundoff errors in calculations?

Re: [xml-dev] Avoiding roundoff errors in calculations?

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To: xml-dev@lists.xml.org
Subject: Re: [xml-dev] Avoiding roundoff errors in calculations?
From: "Roger L. Costello" <costello@mitre.org>
Date: Fri, 29 Aug 2003 16:47:57 -0400
Organization: The MITRE Corporation
References: <3F4FA206.5E2367A2@mitre.org> <3F4FAFFF.1060900@textuality.com>

Hi Tim,
 
> I'm curious; what applications require more precision than IEEE double? -Tim

Good point.  Probably none that I need to be concerned about.

I think that the problem comes when the result of one calculation gets
fed into another computation, which gets fed into another computation,
etc.  Each computation introduces a roundoff error.  Soon there is far
less than IEEE double precision.  /Roger

Follow-Ups:
- Re: [xml-dev] Avoiding roundoff errors in calculations?
  - From: Rick Marshall <rjm@zenucom.com>

References:
- Avoiding roundoff errors in calculations?
  - From: "Roger L. Costello" <costello@mitre.org>
- Re: [xml-dev] Avoiding roundoff errors in calculations?
  - From: Tim Bray <tbray@textuality.com>

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