function gpl_display_test ( )

%*****************************************************************************80
%
%% GPL_DISPLAY_TEST tests GPL_DISPLAY.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license. 
%
%  Modified:
%
%    25 January 2019
%
%  Author:
%
%    John Burkardt
%
  addpath ( '../gpl_display' );

  timestamp ( );
  fprintf ( 1, '\n' );
  fprintf ( 1, 'GPL_DISPLAY_TEST:\n' );
  fprintf ( 1, '  MATLAB version.\n' );
  fprintf ( 1, '  Test GPL_DISPLAY.\n' );

  five_by_three_test ( );
  ell_test ( );
  helix_test ( );
  lynx_test ( );
  sine_test ( );
  solution_test ( );
%
%  Terminate.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'GPL_DISPLAY_TEST:\n' );
  fprintf ( 1, '  Normal end of execution.\n' );
  fprintf ( 1, '\n' );
  timestamp ( );

  rmpath ( '../gpl_display' );

  return
end
