function b = isfirfilter(filterObj)
%ISFIRFILTER True if the object is FIR filter

%   Copyright 2008-2011 The MathWorks, Inc.
%     

b = isa(filterObj, 'dfilt.dffir') || isa(filterObj, 'dfilt.dfasymfir') || isa(filterObj, 'dfilt.dfsymfir');


% [EOF]
