From Porcupine wiki
Developers: OQL SGN function
Syntax:
sgn(x)
Return 1 if x is possitive, 0 if x = 0 or -1 if x is negative.
Retrieved from http://wiki.innoscript.org/pmwiki.php/Developers/OQLSGN
Page last modified on November 28, 2005, at 11:36 PM