function BitUnpack(const Src: TMtxVecInt; SrcIndex: Integer; Index: Integer; Len: Integer): TMtxVecInt;
Converts Src to unpacked bit storage.
| # | Name | Type | Description |
|---|---|---|---|
| 1 | Src | TMtxVecInt | source TVecInt or TMtxInt |
| 2 | SrcIndex | Integer | source start index |
| 3 | Index | Integer | start index |
| 4 | Len | Integer | element count |
Result: stored in self (calling object), returns self for chaining
Remarks:
If bit at Src[i] <> 0 then Integer (32, 16 or 8bit) at index "i" in the calling vector is set to 1. Returns the result of bit unpacking the bits stored in Src values [SrcIndex]..[SrcIndex + Len - 1] and stored in the calling object (Self) values [Index]..[Index+Len-1]. The storage precision of the calling object is preserved. The Len parameter specifies the number of bits that will be unpacked from Src.