Re: Aggressive Driving

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Article #631

#631

From: Michael Zarlenga
Date: Mon, 20 Jul 1998 00:00

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Hackman ("hacker(nospam)"@jump.nospam.net) wrote:
: > > GWBASIC uses Microsoft storage for doubles and longs, and not IEEE and
: > > yes, there is some GREAT rounding errors.

1. Inexactness errors occur with ALL floating point formats, including
   IEEE S and T.  (An inexactness error is the inability of a series
   of fractions to accurately represent a real number - all finite-
   length floating point formats suffer from this.  This is sometimes
   [incorrectly] referred to as "roudning" error)

2. While I'm unfamiliar with what exactly the "Microsoft" format is,
   the most inaccurate formats I've ever seen (VAX D, F or G floats,
   I forget which) have their first digit errors somewhere around the
   8th (for 32-bit floats) or 15th (64-bit floats) significant digit.

For the vast majority of applications, that amount of error is
irrelevant.

--
-- Mike Zarlenga
   finger zarlenga@conan.ids.net  for PGP public key

   "I'd be happy to give him [oral sex] just to thank him 
    for keeping abortion legal."  "[I was] quite willing to 
    let myself be ravished [by President Clinton]."
             Nina Burleigh, ex-White House correspondent for Time,
             another member of the "objective" mainstream media

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From: zarlenga@conan.ids.net (Michael Zarlenga)
Subject: Re: Aggressive Driving
Date: 1998/07/20
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