function h = ldpcbase(H)
%LDPCBASE  Construct an LDPC base object.
%
%  Inputs:
%    H - Parity check matrix (sparse matrix)

%   Copyright 1996-2005 The MathWorks, Inc.
%   $Revision: 1.1.6.1 $  $Date: 2005/12/12 23:12:53 $

error(nargchk(1, 1, nargin));
h = fec.ldpcbase;
h.ParityCheckMatrix = H;