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Returns the sign of a number (-1, 0, or 1).
SGN number# OUT sign%| parameter | description |
|---|---|
| number# | The number to get the sign of |
| output | description |
|---|---|
| sign% | The sign of number# (-1, 0, or 1) |
| numbers | sign |
|---|---|
| positive | 1 |
| negative | -1 |
| 0 | 0 |
| -0 | 0 |
| infinity | 1 |
| -infinity | -1 |
| NaN | 1 |
PRINT SGN(10) '1
PRINT SGN(-EXP(999)) '-1