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From: jac@ibms48.scri.fsu.edu (Jim Carr)
Subject: Re: floating point comparison
Date: 1997/09/10
Message-ID: <5v73kd$622$1@news.fsu.edu>#1/1
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References: <dewar.872395110@merv> <5ud3mc$5d2$1@news.fsu.edu>
 <dewar.873459410@merv>
Organization: Supercomputer Computations Research Institute
Newsgroups: 
 comp.lang.ada,sci.math.num-analysis,comp.software-eng,comp.theory,sci.math
Date: 1997-09-10T00:00:00+00:00
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James said
|
| Not quite.  I have made the decision to represent a real number in
| a way restricted to a finite number of digits.  It does not matter
| if they are binary or decimal.  (Yes, I know what you probably
| meant to write, but saying "decimal value" carries various meanings
| as well.)

dewar@merv.cs.nyu.edu (Robert Dewar) writes:
>
>Actually I meant decimal, see your original post, you specifically have
>given an example of a number representable exactly in decimal, and not
>in binary, and this is indeed a common case.

 Sure, but I could have given a number like 1./3. that is not 
 exactly represented in decimal.  When exploring whether your 
 calculator uses a binary or decimal representation in its 
 registers, this is also a common case. 

-- 
 James A. Carr   <jac@scri.fsu.edu>     | Commercial e-mail is _NOT_ 
    http://www.scri.fsu.edu/~jac/       | desired to this or any address 
 Supercomputer Computations Res. Inst.  | that resolves to my account 
 Florida State, Tallahassee FL 32306    | for any reason at any time.