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From: volpe@underdog.crd.ge.com (Christopher R Volpe)
Newsgroups: comp.lang.c
Subject: Re: Implementation of pow(3m) function
Keywords: math-library exponentiation C
Message-ID: <10803@crdgw1.crd.ge.com>
Date: 6 Aug 90 11:54:39 GMT
References: <1990Aug2.120706.25713@bnrgate.bnr.ca> <13474@smoke.BRL.MIL> <46584@brunix.UUCP> <11143@alice.UUCP>
Sender: news@crdgw1.crd.ge.com
Reply-To: volpe@underdog.crd.ge.com (Christopher R Volpe)
Lines: 18

In article <11143@alice.UUCP>, ark@alice.UUCP (Andrew Koenig) writes:
|>If such an
|>implementation uses exp and log for the ordinary cases, it will
|>almost surely not be monotonic.  That is, it will be possible to
|>find positive x, y, and z such that y > z and pow(x,y) < pow(x,z).

I sure hope so, since there are trivial real-life cases where this is
true. E.g.: x=0.5, y=3, z=2. pow(x,y)=.125  <  pow(x,z)=.25

Am I missing something????

|>-- 
|>				--Andrew Koenig
|>				  ark@europa.att.com

Chris Volpe
GE Corporate R&D
volpecr@crd.ge.com