POV-Ray : Newsgroups : povray.beta-test : Div/Zero and Infinity : Re: Div/Zero and Infinity Server Time
29 Jul 2024 08:09:52 EDT (-0400)
  Re: Div/Zero and Infinity  
From: Slime
Date: 16 Jun 2002 15:10:49
Message: <3d0ce2b9$1@news.povray.org>
>     What about the square root function?  It has two solutions, but only
returns
> one.

The definition of the square root of a x is the *positive* number which
squared, gives you x. The fact that it's positive is part of the definition,
not just because we choose to ignore the negative.

 - Slime
[ http://www.slimeland.com/ ]


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