| Identifying | Function |
| INPUTS | |
| in | Current input |
|
| Iteration count (midpoint) |
|
| Forgetting coefficient (hybrid IIR) |
| OUTPUTS | |
| out | Current output |
|
| Current state |
| INTERNALS | |
|
| Cell location |
|
| Variables used in the calculation (all filters) |
| pm, PM | Past variable (hybrid IIR) |
| nout | Future output |
|
| Future state |
|
| Neighborhood pointers |
|
| idem |