function vanderpol_period_values_test ( )

%*****************************************************************************80
%
%% vanderpol_period_values_test() tests vanderpol_period_values().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    14 December 2021
%
%  Author:
%
%    John Burkardt
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'vanderpol_period_values_test():\n' );
  fprintf ( 1, '  vanderpol_period_values() returns sample values of\n' );
  fprintf ( 1, '  the period P of the Van der Pol oscillator as a function\n' );
  fprintf ( 1, '  of the parameter MU.\n' );
  fprintf ( 1, '\n' );
  fprintf ( 1, '      MU           P\n' );
  fprintf ( 1, '\n' );

  n_data = 0;

  while ( true )

    [ n_data, mu, p ] = vanderpol_period_values ( n_data );

    if ( n_data == 0 )
      break
    end

    fprintf ( 1, '  %12f  %24.16f\n', mu, p );

  end

  return
end
