function lindberg_exact_test ( )

%*****************************************************************************80
%
%% lindberg_exact_test() tests lindberg_exact().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    11 May 2024
%
%  Author:
%
%    John Burkardt
%
  addpath ( '../lindberg_exact' )

  timestamp ( );
  fprintf ( 1, '\n' );
  fprintf ( 1, 'lindberg_exact_test():\n' );
  fprintf ( 1, '  MATLAB/Octave version %s\n', version ( ) );
  fprintf ( 1, '  lindberg_exact() evaluates the exact solution of the Lindberg ODE.\n' );
%
%  Get parameters.
%
  [ t0, y0, tstop ] = lindberg_parameters ( );
%
%  Report the parameters.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, '  parameters:\n' );
  fprintf ( 1, '    t0    = %g\n', t0 );
  fprintf ( 1, '    y0    = %g %g %g %g\n', y0 );
  fprintf ( 1, '    tstop = %g\n', tstop );
%
%  Evaluate residual.
%
  lindberg_resid_test ( );
%
%  Plot components.
%
  lindberg_plot_test ( );
%
%  Terminate.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'lindberg_exact_test():\n' );
  fprintf ( 1, '  Normal end of execution.\n' );
  fprintf ( 1, '\n' );
  timestamp ( );

  rmpath ( '../lindberg_exact' )

  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

