POV-Ray: Newsgroups: povray.programming: distinguishing types in scene language: distinguishing types in scene language

POV-Ray : Newsgroups : povray.programming : distinguishing types in scene language : distinguishing types in scene language		Server Time 3 May 2024 02:23:46 EDT (-0400)

From: Neil Freebairn
Date: 24 Sep 2000 17:12:34
Message: <39ce6e42@news.povray.org>

Is there any way to tell a identifier which evaluates to a vector from an
identifier which evaluates to a real? Essentially, I want a way to determine
the type of an identifier. I want to create a macro like this

#macro StringOut(IDENTIFIER)
#if (IDENTIFIER is_vector)
    {do some vector related things here}
#else
    #if (IDENTIFIER is_real)
        {do some real related things here}
    #end
#end
#end

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