function grf_io_test ( )

%*****************************************************************************80
%
%% GRF_IO_TEST is the main program for the GRF_IO test program.
%
%  Discussion:
%
%    GRF_IO_TEST tests the GRF_IO routines.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    13 January 2009
%
%  Author:
%
%    John Burkardt
%
  timestamp ( );

  fprintf ( 1, '\n' );
  fprintf ( 1, 'GRF_IO_TEST:\n' );
  fprintf ( 1, '  MATLAB version\n' );
  fprintf ( 1, '  Test the GRF_IO library.\n' );

  grf_io_test01 ( );
  grf_io_test02 ( );
%
%  Terminate.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'GRF_IO_TEST:\n' );
  fprintf ( 1, '  Normal end of execution.\n' );

  fprintf ( 1, '\n' );
  timestamp ( );

  return
end