Defines how the polynomial function processes input values.
Evaluates f(x) where x is the current phase/input.
Evaluates using current and previous outputs: y[n] = f(y[n-1], y[n-2], ...)
Evaluates using current and previous inputs: y[n] = f(x[n], x[n-1], ...)
Definition at line 11 of file Polynomial.hpp.