RE: SQL to determine if two numeric columns have the same sign. -- MIDRANGE-L

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Subject: RE: SQL to determine if two numeric columns have the same sign.
From: "Dennis Lovelady" <iseries@xxxxxxxxxxxx>
Date: Thu, 3 Sep 2009 13:31:18 -0400
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Simple math rule: if the product of two numbers is negative, one is
negative and the other is not.

Caveat is a product of zero, of course.

Dennis Lovelady
http://www.linkedin.com/in/dennislovelady
--
One of the reasons for the fall of the Roman empire is that, lacking zero,
they had no means of indicating normal termination of their C programs.

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