function heartbeat_ode_test ( )

%*****************************************************************************80
%
%% heartbeat_ode_test() solves heartbeat_ode().
%
%  Licensing:
%
%    This code is distributed under the MIT license. 
%
%  Modified:
%
%    21 March 2022
%
%  Author:
%
%    John Burkardt
%
  addpath ( '../heartbeat_ode' );

  timestamp ( );
  fprintf ( 1, '\n' );
  fprintf ( 1, 'heartbeat_ode_test():\n' )
  fprintf ( 1, '  MATLAB/Octave version %s\n', version ( ) );
  fprintf ( 1, '  Solve heartbeat_ode().\n' );

  [ a, epsilon, gamma, t0, y0, tstop ] = heartbeat_parameters ( );

  fprintf ( 1, '\n' );
  fprintf ( 1, '  parameters:\n' );
  fprintf ( 1, '    a       = %g\n', a );
  fprintf ( 1, '    epsilon = %g\n', epsilon );
  fprintf ( 1, '    gamma   = %g\n', gamma );
  fprintf ( 1, '    t0      = %g\n', t0 );
  fprintf ( 1, '    y0      = (%g,%g)\n', y0 );
  fprintf ( 1, '    tstop   = %g\n', tstop );

  heartbeat_ode45 ( );
%
%  Terminate.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'heartbeat_ode_test():\n' );
  fprintf ( 1, '  Normal end of execution.\n' );
  fprintf ( 1, '\n' );
  timestamp ( );

  rmpath ( '../heartbeat_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

