Re: bug report

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Article #6157

#6157

From: James Carlson
Date: Tue, 19 Nov 1996 00:00

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In article <3291CEEC.777B1579@ub.uni-bielefeld.de>, befehl@ub.uni-bielefeld.de (Bernd Fehling) writes:
[...]
|>   double input = 2.01; /* also with 4.02, 8.04, 16.08, ... */
[...]

2.01 does not have an exact representation standard IEEE base-2 floating
point.

|> My opinion is, that this is a problem of the compiler, isn't it?

Not.  It's normal round-off.

Run, do not walk, to the nearest bookstore and buy any decent book on
numerical analysis.  I recommend Knuth's second volume for the basics,
though it is tough reading for a beginner.

-- 
James Carlson <carlson@xylogics.com>            Tel:  +1 617 272 8140
Annex Interface Development / Xylogics, Inc.          +1 800 225 3317
53 Third Avenue / Burlington MA  01803-4491     Fax:  +1 617 272 2618

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From: carlson@xylogics.com (James Carlson)
Subject: Re: bug report
Date: 1996/11/19
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