"Greg M. Johnson" wrote:
> 
> As we get closer to the wire, it's possible my questions are getting dumber,
> BUT:
> 
> 1) I don't see a sign () function:  did we let a whole new release slip by
> without this addition?

from math.inc:

#declare sgn = function (V) {select(V,-1, 0, 1)}

Christoph

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