The mathematical sign function.
-1 if a < 0.
0 if a = 0.
1 if a > 0.
Parameters
Parameter | Description |
|---|---|
a | Numerical value. |
Examples
Parameter a | Resukt |
|---|---|
-7 | -1 |
0 | 0 |
5 | 1 |
mystring | 0 (Note: An implicit type conversion of each string to the numerical value 0 takes place internally.) |