costfunctions.h

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#ifndef COSTFUNCTIONS_H
#define COSTFUNCTIONS_H
 
#include<vector>
 
/*
 * Cost Functions
 */
 
class CostFunction{
    public:
        //Virtual Constructor & Destructor for any cost function
        CostFunction(){};
        CostFunction(const CostFunction&){};
        virtual ~CostFunction(){};
        //Virtual getter for the values of any cost function
        virtual double get() const = 0;
};
 
/*
 * Least squared cost
 */
 
class Khi2 : public CostFunction{
    public:
        //Constructor & Destructor for a Khi2 type cost
        Khi2();
        Khi2(const Khi2&);
        Khi2(std::vector<std::vector<double>>,std::vector<std::vector<double>>);
        ~Khi2(){};
        //Set new data sets
        void setData(std::vector<std::vector<double>>,std::vector<std::vector<double>>);
        //Get the value of this cost
        double get() const;
    private:
        std::vector<std::vector<double>> k_exp;
        std::vector<std::vector<double>> k_mod;
};
 
/*
 * Total distance
 */
 
class Distance : public CostFunction{
    public:
        //Constructor & Destructor for a Distance type cost
        Distance();
        Distance(const Distance&);
        Distance(std::vector<std::vector<double>>,std::vector<int>);
        ~Distance(){};
        //Set new data sets
        void setData(std::vector<std::vector<double>>,std::vector<int>);
        //Get the value of this cost
        double get() const;
    private:
        std::vector<std::vector<double>> d_pos;
        std::vector<int> d_ord;
};
 
#endif