/*

Copyright (C) 1996, 1997, 2002 John W. Eaton

This file is part of Octave.

Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.

Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#if !defined (octave_DASPK_h)
#define octave_DASPK_h 1

#if defined (__GNUG__)
#pragma interface
#endif

#include <cfloat>
#include <cmath>

#include "DAE.h"

#include "DASPK-opts.h"

class
DASPK : public DAE, public DASPK_options
{
public:

  DASPK (void);

  DASPK (const ColumnVector& x, double time, DAEFunc& f);

  DASPK (const ColumnVector& x, const ColumnVector& xdot,
	 double time, DAEFunc& f);

  ~DASPK (void) { }

  ColumnVector do_integrate (double t);

  Matrix do_integrate (const ColumnVector& tout);

  Matrix do_integrate (const ColumnVector& tout, const ColumnVector& tcrit); 

  Matrix integrate (const ColumnVector& tout, Matrix& xdot_out);

  Matrix integrate (const ColumnVector& tout, Matrix& xdot_out,
		    const ColumnVector& tcrit); 

  std::string error_message (void) const;

private:

  int n;
  int liw;  
  int lrw;
  int sanity_checked;
  Array<int> info;
  Array<int> iwork;
  Array<double> rwork;

  friend int ddaspk_j (double *time, double *state, double *deriv,
		       double *pd, double *cj, double *rpar, int *ipar);

  friend int ddaspk_f (double *time, double *state, double *deriv,
		       double *delta, int *ires, double *rpar, int *ipar);

};

#endif

/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/