#ifndef ATTRACTORKERNEL_HPP
#define ATTRACTORKERNEL_HPP


/*
 Protocol/interface, what you want
 */
class AttractorKernel {
public:

    // parameters are stored in a array of doubles
    // if you want to use other types, use the properties
	virtual double & operator[](const unsigned int index) = 0;
	virtual double const & operator[](const unsigned int index) const = 0;

    virtual unsigned int numberOfParameters() const = 0;

    // iterate his formula
    // vector pointers will be swapped! so new remains new and old remains old
	virtual void operator()() = 0;

    // getter functions for teh resulta (can be used as setters, and it may be used as such)
    virtual double * & vector() = 0;
    virtual double * & previousVector() = 0;
	
	virtual unsigned int dimension() const = 0;
	
	// dtor, default is generally good
	virtual ~AttractorKernel() {};
	
};

#endif // ATTRACTORKERNEL_HPP