SIGN
Returns the signum function of the given input, that is:
- 0 if the argument is 0
- 1 if the argument is greater than 0
- -1 if the argument is less than 0
Syntax
SIGN(X)
Arguments
X
Type: numeric
A numeric value.
Returns
Type: same as input
A value 1, 0, or -1 indicating the sign of X.
Examples
| X | Output |
|---|---|
| 1 | 1 |
| -1 | -1 |
| 0 | 0 |
| 1.1 | 1.0 |
| -1.35 | -1.0 |
| 3 | 1 |