Deprecate legacy functions/names to use slightly altered API from ControlSystems.jl?
#See:
export _ss, _zpk, _zpkdata
export _zp2ss, _zp2tf, _freqz, _tf, _minreal, _impulse
#etc.- Figure out if orignial code rounded indicies to nearest integer, or implicitly applied
floor(), etc. - Start using
div(num, den)more if possible (should be faster thanround/floor/ceil).
Very little code is tested at the moment.