function isstableflag = issecstable(h)
%ISSECSTABLE  Determine the stability of a single-section LATCALLPASS object.
%   FLAG = ISSECSTABLE(H) determines if the single-section filter
%   H is stable and returns 1 if true and 0 if false.

%   Author(s): R. Losada
%   Copyright 1988-2000 The MathWorks, Inc.
%   $Revision: 1.3 $  $Date: 2000/06/13 21:21:51 $ 

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

c = coefficients(h);

k = c{1}{1};

if max(abs(k)) >= 1,
    isstableflag = 0;
else
    isstableflag = 1;
end
