orientation_change_updater.h

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#ifndef HIGH_PRECISION_PSO_POSITION_AND_VELOCITY_UPDATER_ORIENTATION_CHANGE_UPDATER_H_
#define HIGH_PRECISION_PSO_POSITION_AND_VELOCITY_UPDATER_ORIENTATION_CHANGE_UPDATER_H_

#include <fstream>
#include <gmp.h>
#include <vector>

#include "position_and_velocity_updater/position_and_velocity_updater.h"

namespace highprecisionpso {

class OrientationChangeUpdater : public PositionAndVelocityUpdater {
public:
    OrientationChangeUpdater(double log2_limit);
    void Update(Particle* p);
    std::string GetName();
    void LoadData(std::ifstream* input_stream, ProgramVersion* version_of_stored_data);
    void StoreData(std::ofstream* output_stream);

private:
    std::vector<mpf_t*> Rotation(std::vector<mpf_t*>);
    std::vector<mpf_t*> InverseRotation(std::vector<mpf_t*>);

    const double log2_limit_;
    std::vector<std::vector<mpf_t* > > orthogonal_transformation_matrix_;
};

} // namespace highprecisionpso

#endif /* HIGH_PRECISION_PSO_POSITION_AND_VELOCITY_UPDATER_ORIENTATION_CHANGE_UPDATER_H_ */