function vpa_test ( )

%*****************************************************************************80
%
%% vpa_test() tests vpa().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    20 December 2019
%
%  Author:
%
%    John Burkardt
%
  timestamp ( );
  fprintf ( 1, '\n' );
  fprintf ( 1, 'vpa_test():\n' );
  fprintf ( 1, '  MATLAB/Octave version %s.\n', version ( ) );
  fprintf ( 1, '  vpa() is a variable precision arithmetic facility.\n' );

  agm_pi_test ( );
  bbp_pi_test ( );
  chud_pi_test ( );
%
%  Terminate.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'vpa_test()::\n' );
  fprintf ( 1, '  Normal end of execution.\n' );
  fprintf ( 1, '\n' );
  timestamp ( );

  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

 
