awesome-attractor/kernels/Logistic.hpp

#ifndef LOGISTIC_HPP
#define LOGISTIC_HPP

#include "../AttractorKernel.hpp"

#include <algorithm>


class Logistic : public AttractorKernel {
private:
	void init() {
		// setting some starting values
		std::fill_n(vectorOld, dimension, 0.5);
		std::fill_n(vectorNew, dimension, 0.5);
	}

public:
	Logistic():
		AttractorKernel(3, 3) {
		init();
	}

	Logistic(const unsigned int dimension):
		AttractorKernel(dimension, dimension) {
		init();
	}

	virtual void generate_random_parameters() {
		for(unsigned int i = 0; i < numberOfParameters; ++i) {
			parameters[i] = rand() / double(RAND_MAX) + 3.0;
		}
		init();
	}

	virtual void operator()() {
		std::swap(vectorNew, vectorOld);

		for(unsigned int i = 0; i < dimension; i++) {
			vectorNew[i] = parameters[i]*vectorOld[i]*(1.0 - vectorOld[i]);
		}
	}
};

#endif // LOGISTIC_HPP