RungeKutta.h

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/*
Autor: $Author: kunkel $ State: $State: Exp $
Datum: $Date: 2005/05/30 12:35:25 $
Version: $Revision: 1.1 $
*/

#ifndef RUNGEKUTTA_H
#define RUNGEKUTTA_H

#include <iterator>
#include <list>

#include "Integrator.h"
#include "Vector.h"
#include "Object.h"

#define NR_END 1
#define FREE_ARG char*

class RungeKutta : public Integrator {
private:

    list<Collisionspair> collisions;

    double* m;

    double* radius;

    double t;

    double h;

    int n;

    int objnumber;

    double distance(const int i, const int j, const double x[]);
    double acceleration(const int i, const int komponente,
                        const double x[] );
    void derivs(double x, double y[], double dydx[]);
    double rk4(double y[], double dydx[], int n, double x, double h,
               double yout[]);
    double *vec(long nl, long nh);
    void free_vec(double *v, long nl, long nh);

protected:
    virtual void saveAttributes();
    virtual void loadAttributes();
    virtual void deleteAdditionalInformation(void * additionalInformation);
public:

    virtual double integrate(double time);

    virtual string getName() {
        return "RungeKutta";
    }

    virtual double getTime() {
        return t;
    }

    virtual void createAttributeWindow();
    virtual void save(ostream & FILE);
    virtual void load(istream & FILE);
    virtual list<Collisionspair>* getCollisionslist();

    RungeKutta();
    virtual ~RungeKutta() {}
    ;

};


#endif

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