delta_updater.h

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#ifndef HIGH_PRECISION_PSO_POSITION_AND_VELOCITY_UPDATER_DELTA_UPDATER_H_
#define HIGH_PRECISION_PSO_POSITION_AND_VELOCITY_UPDATER_DELTA_UPDATER_H_

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

#include "position_and_velocity_updater/position_and_velocity_updater.h"

namespace highprecisionpso {

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

    virtual std::vector<bool> DimensionsOfDeltaUpdate(Particle* p);
    std::vector<std::vector<unsigned long long> > NumberOfDeltaUpdates();
protected:
    mpf_t* delta_;
    const double initial_delta_;
    const double gamma_;
private:
    void CheckInitDeltaUpdateCounters_();
    std::vector<std::vector<unsigned long long> > delta_update_counters_;
};

class DeltaUpdaterTCS : public DeltaUpdater {
public:
    DeltaUpdaterTCS(double delta);
    DeltaUpdaterTCS(double initial_delta, double gamma);

    virtual std::vector<bool> DimensionsOfDeltaUpdate(Particle* p);

    std::string GetName();
};
} // namespace highprecisionpso

#endif /* HIGH_PRECISION_PSO_POSITION_AND_VELOCITY_UPDATER_DELTA_UPDATER_H_ */