function.h

Go to the documentation of this file.

#ifndef HIGH_PRECISION_PSO_FUNCTION_FUNCTION_H_
#define HIGH_PRECISION_PSO_FUNCTION_FUNCTION_H_

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

namespace highprecisionpso {

class SearchSpaceBound {
public:
    double lower_search_space_bound;
    double upper_search_space_bound;
    int dimension_from;
    int dimension_to;
};

class Function{
public:
    virtual ~Function(){};
    Function();
    Function(double search_space_lower_bound, double search_space_upper_bound);
    Function(std::vector<double> search_space_lower_bound, std::vector<double> search_space_upper_bound);
    mpf_t* Evaluate(const std::vector<mpf_t*> & pos);
    virtual std::vector<mpf_t*> GetLowerSearchSpaceBound();
    virtual std::vector<mpf_t*> GetUpperSearchSpaceBound();
    virtual std::string GetName() = 0;
    virtual mpf_t* DistanceTo1DLocalOptimum(const std::vector<mpf_t*> & pos, int d);
    virtual mpf_t* Eval(const std::vector<mpf_t*> & pos) = 0;
    virtual mpf_t* DistanceTo1DLocalOptimumTernarySearch(const std::vector<mpf_t*> & pos, int d, mpf_t* start_distance);
    void SetFunctionBound(SearchSpaceBound* search_space_bound);
    void InitSearchSpaceBounds();
private:
    std::vector<double> search_space_lower_bound_;
    std::vector<double> search_space_upper_bound_;
};

class SpecificFunction {
public:
    virtual ~SpecificFunction(){};
    virtual std::vector<mpf_t*> Eval(const std::vector<mpf_t*> & pos) = 0;
    virtual std::string GetName() = 0;
};

} // namespace highprecisionpso

#endif /* HIGH_PRECISION_PSO_FUNCTION_FUNCTION_H_ */