sign
From ENIGMA
Notation
sign(x)
Description
Returns the sign of the number. sign(-4) returns -1, sign(0) returns 0.
Parameters
- x is a numeric argument whose sign (negative, positive, or 0) you are interested in obtaining.
Return Values
Returns the sign of x, one of -1 (for negative), 0, or 1 (for positive).
Example Call
Example of using the function.
