function grf_display_test ( )

%*****************************************************************************80
%
%% grf_display_test() tests grf_display().
%
%  Licensing:
%
%    This code is distributed under the MIT license. 
%
%  Modified:
%
%    25 January 2019
%
%  Author:
%
%    John Burkardt
%
  addpath ( '../grf_display' );

  timestamp ( );
  fprintf ( 1, '\n' );
  fprintf ( 1, 'grfl_display_test():\n' );
  fprintf ( 1, '  MATLAB/Octave version %s\n', version ( ) );
  fprintf ( 1, '  Test grf_display().\n' );

  grf_display ( 'coxeter' );
  grf_display ( 'disconnected' );
  grf_display ( 'mst' );
  grf_display ( 'simple' );
  grf_display ( 'tsp' );
%
%  Terminate.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'grf_display_test():\n' );
  fprintf ( 1, '  Normal end of execution.\n' );
  fprintf ( 1, '\n' );
  timestamp ( );

  rmpath ( '../grf_display' );

  return
end
function timestamp ( )

%*****************************************************************************80
%
%% timestamp() prints the current YMDHMS date as a timestamp.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    14 February 2003
%
%  Author:
%
%    John Burkardt
%
  t = now;
  c = datevec ( t );
  s = datestr ( c, 0 );
  fprintf ( 1, '%s\n', s );

  return
end

