POV-Ray : Newsgroups : povray.documentation.inbuilt : 3.2.1.3.4 : Re: 3.2.1.3.4 Server Time
23 Apr 2024 17:30:00 EDT (-0400)
  Re: 3.2.1.3.4  
From: Kenneth
Date: 6 Oct 2005 17:00:00
Message: <web.4345901d7ae37ccd9e16f59b0@news.povray.org>
Mike Raiford <mra### [at] hotmailcom> wrote:

> Quick quiz: What is the negative of a negative number. (Hint: its not a
> double negative...)

Let me clarify my earlier post, with a nod to Mike Raiford's clue.  I can
see now why there's a bit of confusion. POV's description is correct,
though "worded" in mathematical terms.


Say that A = 32.

abs(A) will then produce A, which is 32.

Now, say A  = -32.

abs(A) will then, according to the POV doc, produce -A.  Which is - (-32).
Which is again 32.

Voila!


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