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- // DAE.h -*- C++ -*-
- /*
-
- Copyright (C) 1992, 1993, 1994, 1995 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, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- */
-
- #if !defined (octave_DAE_h)
- #define octave_DAE_h 1
-
- #include "dColVector.h"
- #include "ODE.h"
- #include "DAEFunc.h"
-
- extern "C++" {
-
- #ifndef Vector
- #define Vector ColumnVector
- #endif
-
- class DAE : public ODE, public DAEFunc
- {
- public:
-
- DAE (void);
-
- DAE (int);
-
- DAE (const Vector& x, double time, DAEFunc& f);
-
- DAE (const Vector& x, const Vector& xdot, double time, DAEFunc& f);
-
- ~DAE (void);
-
- Vector deriv (void);
-
- virtual void initialize (const Vector& x, double t);
- virtual void initialize (const Vector& x, const Vector& xdot, double t);
-
- Vector integrate (double t);
-
- Matrix integrate (const Vector& tout, Matrix& xdot_out);
- Matrix integrate (const Vector& tout, Matrix& xdot_out,
- const Vector& tcrit);
-
- protected:
-
- /*
- * Some of this is probably too closely related to DASSL, but hey,
- * this is just a first attempt...
- */
-
- Vector xdot;
-
- private:
-
- int integration_error;
- int restart;
- int liw;
- int lrw;
- int idid;
- int *info;
- int *iwork;
- double *rwork;
-
- friend int ddassl_j (double *time, double *state, double *deriv,
- double *pd, double *cj, double *rpar, int *ipar);
-
- friend int ddassl_f (double *time, double *state, double *deriv,
- double *delta, int *ires, double *rpar, int *ipar);
-
- };
-
- } // extern "C++"
-
- #endif
-
- /*
- ;;; Local Variables: ***
- ;;; mode: C++ ***
- ;;; page-delimiter: "^/\\*" ***
- ;;; End: ***
- */
-