function isfirflag = isfir(f,sec)
%ISFIR  Determine if filter is FIR.
%   FIR objects are always FIR filters, hence this
%   function always returns one.
%
%   See also DFILT/ISFIR, FIR/ISSTABLE.

%   Author(s): R. Losada
%   Copyright 1988-2000 The MathWorks, Inc.
%   $Revision: 1.2 $  $Date: 2000/06/13 21:21:45 $ 

error(nargchk(1,2,nargin));

isfirflag = 1; 
   
