function/SGN                                                     function/SGN
 
 NAME
     SGN -- Returns number's sign
 
 ABBREVIATION
     s <shift> G

 SYNOPSIS
     SGN(<number>)

 FUNCTION
     This function returns the sign, as in positive, negative, or zero, of 
     <number>. The result is:
 
         +1 if <number> is positive
          0 if <number> is zero
         -1 if <number> is negative
 
 INPUTS
     <number> - number to be evaluated
 
 RESULT
     Number's sign. -1 is returned if number was negative, 0 if number was 
     zero, or 1 if number was positive (numeric).

 EXAMPLES
     None
 
 NOTES
     None
 
 BUGS
     None
 
 SEE ALSO
     ABS()