POV-Ray: Newsgroups: povray.general: A macro that drops a vector-- what's the syntax again?: Re: A macro that drops a vector-- what's the syntax again?

POV-Ray : Newsgroups : povray.general : A macro that drops a vector-- what's the syntax again? : Re: A macro that drops a vector-- what's the syntax again?		Server Time 1 Aug 2024 10:12:34 EDT (-0400)

From: Warp
Date: 10 Nov 2005 11:57:46
Message: <43737c09@news.povray.org>

Zeger Knaepen <zeg### [at] povplacecom> wrote:
> what's abs() got to do with sign(), except that you can make sign() with
sign(x)=x/abs(x) ?

  Look at his "sign" implementation. It's abs().

-- 
                                                          - Warp

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