surrogate.h

#ifndef SOT_SURROGATE_H
#define SOT_SURROGATE_H

#include "common.h"

namespace sot {
    

    class Surrogate {
    public:
        virtual int numPoints() const = 0; 
        virtual int dim() const = 0; 
        virtual void reset() = 0;
        virtual mat X() const = 0; 
        virtual vec X(int i) const = 0; 
        virtual vec fX() const = 0; 
        virtual double fX(int i) const = 0; 

        virtual void addPoint(const vec &point, double funVal) = 0;

        virtual void addPoints(const mat &points, const vec &funVals) = 0;

        virtual double eval(const vec &point) const = 0;

        virtual double eval(const vec &point, const vec &dists) const = 0;

        virtual vec evals(const mat &points) const = 0;

        virtual vec evals(const mat &points, const mat &dists) const = 0;

        virtual vec deriv(const vec &point) const = 0;
        virtual void fit() = 0;
    };
}


#endif