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Comparing Floats [message #79498] Thu, 01 March 2012 12:08
David Fanning is currently offline  David Fanning
Messages: 11724
Registered: August 2001
Senior Member
Folks,

Here is a very good recent post on the inherent difficulties
in comparing (and using!) floating point numbers on a
computer:

http://randomascii.wordpress.com/2012/02/25/comparing-floati ng-point-
numbers-2012-edition/

Cheers,

David


--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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