Re: Is infinity equal to infinity?

rwhutch@nr.infi.net
10 Jul 1998 20:52:17 -0400

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From: rwhutch@nr.infi.net
Newsgroups: sci.math.num-analysis,comp.lang.c,sci.math,comp.compilers
Date: 10 Jul 1998 20:52:17 -0400
Organization: InfiNet
Distribution: inet
References: 98-07-058
Keywords: arithmetic

Erik Runeson <erikr@iar.se> writes:
>When comparing floating-point numbers, should infinity (Inf) be
>concidered equal to infinity?


It depends upon the context. If you should happen to be doing complex
analysis, and using the stereographic representation of the complex plane on a
sphere, then "infinity" is a well defined point on the sphere.
-----------------------------------------------
R.W. Hutchinson. | rwhutch@nr.infi.net




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