function image_edge_test ( )

%*****************************************************************************80
%
%% IMAGE_EDGE_TEST tests IMAGE_EDGE.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    03 February 2019
%
%  Author:
%
%    John Burkardt
%
  addpath ( '../image_edge' );

  timestamp ( );
  fprintf ( 1, '\n' );
  fprintf ( 1, 'IMAGE_EDGE_TEST:\n' );
  fprintf ( 1, '  MATLAB version.\n' );
  fprintf ( 1, '  Test IMAGE_EDGE.\n' );

  image_edge ( 'coins.ascii.pgm', 50 );
%
%  Terminate.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'IMAGE_EDGE_TEST:\n' );
  fprintf ( 1, '  Normal end of execution.\n' );
  fprintf ( 1, '\n' );
  timestamp ( );

  rmpath ( '../image_edge' );

  return
end
