function ZeroCrossingCount(const Src: TVec; Index: Integer; Len: Integer): Integer;
Return the number of zero crossings.
| # | Name | Type | Description |
|---|---|---|---|
| 1 | Src | TVec | |
| 2 | Index | Integer | start index |
| 3 | Len | Integer | element count |
Returns: Int32
Remarks:
Return the total count of zero crossings within Src starting at index to Index+Len. If Len = -1 end the search at Src.Length.