I am using version 3.5 of POVray for Windows and hit a snag when I couldn't
get a built in function to work.

It was the sgn() function.  I got error messages that seemed to indicate
that it wasn't recognized as a function when it was parsed.  It also wasn't
recognized as a keyword when using POVray's built-in editor (for Windows)
which colors recognized keywords.

I used only a simple statement such as: "#declare Value1=sgn(-3);".

Could someone help me verify if this is a bug or maybe a workaround if it is
or etc.


Thanks

Demevec

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