SGN Function
Standard Library function that returns the sign of passed values.
Usage
result = SGN(x)
Input Parameters
x—A scalar or array.
Returned Value
result—An integer array of the same size of x where each element is:
1 where x > 0–1 where x < 00 where x = 0Keywords
None.
Examples
PM, SGN([-0.5, 0, 0.5])
; PV-WAVE prints:
; -1
; 0
; 1
