Re: pow(3M) may have a bug or undocumented limitation

Article View: comp.bugs.sys5

Article #540

#540

From: d.gertler
Date: Mon, 18 May 1987 18:11

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+ In article <226@cogent.UUCP> mark@cogent.UUCP (Captain Neptune) writes:
+    [...]
+ integer value.  For example, the 12th root of 2 --> 2 ^ (-12) --> pow(2,-12).
+    [...]
+   Have I made some fundamental blunder?

Yes.  2^(-12) is *NOT* the 12th root of 2.  It is the 12th power of 1/2.
[As for the matter at hand, your pow(3M) problem, I have no answer.  Sorry,
but I couldn't let this one go by.]

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Message-ID: <2770@mtuxo.UUCP>

Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!uwvax!oddjob!gargoyle!ihnp4!homxb!houxm!mtuxo!gertler

References: <226@cogent.UUCP>

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!uwvax!oddjob!gargoyle!ihnp4!homxb!houxm!mtuxo!gertler
From: gertler@mtuxo.UUCP (d.gertler)
Newsgroups: comp.bugs.sys5,comp.sys.hp
Subject: Re: pow(3M) may have a bug or undocumented limitation
Message-ID: <2770@mtuxo.UUCP>
Date: Mon, 18-May-87 14:11:05 EDT
Article-I.D.: mtuxo.2770
Posted: Mon May 18 14:11:05 1987
Date-Received: Tue, 19-May-87 04:35:40 EDT
References: <226@cogent.UUCP>
Organization: AT&T Information Systems Labs, Middletown NJ
Lines: 9
Keywords: x^y y<0 DOMAIN error

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