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RE: Avoiding roundoff errors in calculations?


errors in calculations
Financial calculations for example.  Plus, IEEE floats just plain give the
wrong answer sometimes.
Try 9/10/10, an from
http://www2.hursley.ibm.com/decimal/decifaq1.html#inexact


-----Original Message-----
From: Tim Bray [mailto:tbray@t...] 
Sent: Friday, August 29, 2003 12:57 PM
To: Roger L. Costello
Cc: xml-dev@l...
Subject: Re:  Avoiding roundoff errors in calculations?


Roger L. Costello wrote:

> What are your thoughts on this?  What techniques do people use to avoid
> introducing roundoff errors?  /Roger

Use FORTRAN, it supports REAL numbers, it says so right in the syntax :)

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



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