const ColumnVector	&openx)
{
#else // !STANDALONE
DEFUN_DLD (mtt_euler, args, ,
	   "euler integration method")
{
#ifdef OCTAVE_DEV
  static ColumnVector  	x	= args(0).column_vector_value ();
  ColumnVector  	x	= args(0).column_vector_value ();
  const ColumnVector	dx	= args(1).column_vector_value ();
  const double		ddt	= args(2).double_value ();
  const int		Nx	= static_cast<int> (args(3).double_value ());
  const ColumnVector   	openx	= args(4).column_vector_value ();
#else // !OCTAVE_DEV
  static ColumnVector	x	= args(0).vector_value ();
  ColumnVector		x	= args(0).vector_value ();
  const ColumnVector   	dx	= args(1).vector_value ();
  const double		ddt	= args(2).double_value ();
  const int		Nx	= static_cast<int> (args(3).double_value ());
  const ColumnVector   	openx	= args(4).vector_value ();
#endif // OCTAVE_DEV
#endif // STANDALONE