function b = ismultiratefir(filterObj)
%ISMULTIRATE True if the object is multirate filter

%   Copyright 2008-2023 The MathWorks, Inc.
%     

b = isa(filterObj, 'dsp.internal.mfilt.firdecim')  || isa(filterObj, 'dsp.internal.mfilt.firinterp');

% [EOF]
