I'm trying to write a macro that randomly either returns -1 or 1. This is what I
have:

#macro randsign()
 #if (rand(HPlanet_Seed_Value) > 0.5)
  1
 #else
  -1
 #end
#end

However, POVray stops rendering and says "All #declares of float, vector, and
 color require semi-colon ';' at end if the language version is set to 3.5 or
 higher."

What am I doing wrong? Adding the semi-colon causes the scene to quit for other
reasons.

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