function gear_ode_test ( )

%*****************************************************************************80
%
%% gear_ode_test() tests gear_ode().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    04 June 2026
%
%  Author:
%
%    John Burkardt
%
  addpath ( '../gear_ode' );

  timestamp ( );
  fprintf ( 1, '\n' );
  fprintf ( 1, 'gear_ode_test()\n' );
  fprintf ( 1, '  MATLAB/Octave version "%s"\n', version ( ) );
  fprintf ( 1, '  Solve gear_ode().\n' );

  [ t0, y0, tstop ] = gear_parameters ( );
  fprintf ( 1, '\n' );
  fprintf ( 1, '  parameters:\n' );
  fprintf ( 1, '    t0     = %g\n', t0 );
  fprintf ( 1, '    y0     = %g\n', y0 );
  fprintf ( 1, '    tstop  = %g\n', tstop );

  n = 5000;
  n = 1500;
  gear_euler_test ( n );

  n = 25;
  gear_euler_backward_test ( n );

  n = 400;
  gear_midpoint_test ( n );
%
%  Terminate.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'gear_ode_test():\n' );
  fprintf ( 1, '  Normal end of execution.\n' );
  timestamp ( );

  rmpath ( '../gear_ode' );

  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

