The SIGN function takes a single decimal number parameter and returns -1, 0, or 1 if the parameter is negative, zero, or positive in value, respectively. The function may be called in an integral or decimal number context. The parameter is always evaluated as a decimal number.
| @SIGN (Number) | |
|---|---|
Number | Required number parameter; evaluated as either a decimal or
integral number based on context. Contains the value whose sign
is to be determined by the function. |