Sgn
Function Sgn( numeric expression )
Returns an integer that reflects the sign of numeric expression.
Syntax a = Sgn( b )
Remarks
If numeric expression is positive, SGN returns 1.
If numeric expression is zero, SGN returns 0.
If numeric expression is negative, SGN returns -1.
See Also:
Example Script
NUMBER i
FOR i = -2 TO 2
PRINT SGN(i)
NEXT i
Script Output
-1
-1
0
1
1