least_squares.hpp

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#pragma once

#include <iostream>
#include <string>
#include <vector>
#include <memory>

#include <core/statistical_method.hpp>
#include <core/time_measurement.hpp>

//alglib includes
#include <interpolation.h>

namespace hype{
   namespace core{

class Least_Squares_Method_1D : public StatisticalMethod_Internal {

public:
   Least_Squares_Method_1D(); 

   virtual const EstimatedTime computeEstimation(const Tuple& input_values);

   virtual bool recomuteApproximationFunction(Algorithm& algorithm);

   virtual bool inTrainingPhase() const throw();

   virtual void retrain();

   static StatisticalMethod_Internal* create(){
      return new Least_Squares_Method_1D();
   }

   virtual ~Least_Squares_Method_1D();

private:
      alglib::barycentricinterpolant timeestimationpolynomial_;
      unsigned int degree_of_polynomial_;
      bool polynomial_computed_;
};

   }; //end namespace core
}; //end namespace hype