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    function f = thisiscascade(Hd)
%ISCASCADE  True for cascaded filter.
%   ISCASCADE(Hd) returns 1 if filter Hd is cascade of filters, and 0 otherwise.
%
%   See also DFILT.   
  
%   Author: Thomas A. Bryan
%   Copyright 1988-2004 The MathWorks, Inc.

% This should be private

f = false;