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DAE.h
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1996-10-12
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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: ***
*/