#ifndef ATTRACTORKERNEL_HPP
#define ATTRACTORKERNEL_HPP


/*
 ABC
 */
class AttractorKernel {
private:
	
	void allocate();
	void dealloc();
	
protected:
	
	// stuff used by subclasses
	AttractorKernel(const unsigned int dimension, const unsigned int numberOfParameters);
	void reallocParameters(const unsigned int numberOfParameters);
	
	unsigned int numberOfParameters;
	double * parameters;
	
	unsigned int dimension;
	double * vectorNew;
	double * vectorOld;
	
	
public:

    // parameters are stored in a array of doubles
	double & operator[](const unsigned int index);
	double const & operator[](const unsigned int index) const;
    unsigned int getNumberOfParameters() const;

    // iterate his formula, implemented by subclasses
	virtual void operator()() = 0;

    // getter functions for teh resulta (can't be used as setters)
    double const * vector() const;
    double const * previousVector() const;
	unsigned int getDimension() const;
	
	// dtor, should be virtual for subclasses to be deleted
	virtual ~AttractorKernel();
	
};

#endif // ATTRACTORKERNEL_HPP