function Sgn(const Src: TOpenCLValue): TOpenCLValue;
Computes signum function from Src value and stores the result in the calling object.
| # | Name | Type | Description |
|---|---|---|---|
| 1 | Src | TOpenCLValue |
Returns: TOpenCLValue
Remarks:
Size and clValue.Complex properties of calling object are adjusted automatically. Signum(X) is 1 for X > 0 , equal to zero for X = 0 and -1 for X < 0.