function eigenfaces_test ( )

%*****************************************************************************80
%
%% EIGENFACES_TEST tests EIGENFACES.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    03 December 2018
%
%  Author:
%
%    John Burkardt
%
  addpath ( '../eigenfaces' );

  fprintf ( 1, '\n' );
  fprintf ( 1, 'EIGENFACES_TEST\n' );
  fprintf ( 1, '  MATLAB version\n' );
  fprintf ( 1, '  EIGENFACES implements various eigenface techniques.\n' );

  imshow_numeric_test ( );
  pause ( 5 );

  line_count_test ( );

  pgm_display_test ( );
  pause ( 5 )

  pgm_read_test ( );
  pause ( 5 );

  pgms_pack_test ( );

  filelist = 's01_list.txt';
  n = 5;
  pc_vectors_test ( filelist, n );

  pgm_project_test ( );
%
%  Terminate.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'EIGENFACES_TEST\n' );
  fprintf ( 1, '  Normal end of execution.\n' );

  rmpath ( '../eigenfaces' );

  return
end
