function contour_sequence4_test ( )

%*****************************************************************************80
%
%% CONTOUR_SEQUENCE4_TEST tests CONTOUR_SEQUENCE4.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    25 December 2018
%
%  Author:
%
%    John Burkardt
%
  addpath ( '../contour_sequence4' );

  timestamp ( );
  fprintf ( 1, '\n' );
  fprintf ( 1, 'CONTOUR_SEQUENCE4_TEST:\n' );
  fprintf ( 1, '  MATLAB version\n' );
  fprintf ( 1, '  Test CONTOUR_SEQUENCE4.\n' );

  xy_filename = 'xy.txt';
  u_filename = 'u00001.txt';

  contour_sequence4 ( xy_filename, u_filename );
%
%  Terminate.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'CONTOUR_SEQUENCE4:\n' );
  fprintf ( 1, '  Normal end of execution.\n' );
  fprintf ( 1, '\n' );
  timestamp ( );

  rmpath ( '../contour_sequence4' );

  return
end
