BaseFunctionFitter.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
 
 
#ifndef BaseFunctionFitterHXX
#define BaseFunctionFitterHXX
 
// HEADER FILES //
 
// CLHEP //
//#include "CLHEP/config/CLHEP.h"
#include "CLHEP/Units/SystemOfUnits.h"
#include "CLHEP/Units/PhysicalConstants.h"
 
#include "EventPrimitives/EventPrimitives.h"
 
// standard C++ libraries //
#include <iostream>
#include <iomanip>
#include <fstream>
 
// STL //
#include <vector>
 
// MDT calibration utilities //
#include "MuonCalibMath/BaseFunction.h"
#include "MuonCalibMath/SamplePoint.h"
 
namespace MuonCalib {
 
  class BaseFunctionFitter {
 
  private:
    // auxiliary minimization objects //
    int m_nb_coefficients; 
    Amg::MatrixX m_A; 
    Amg::VectorX m_alpha; 
    Amg::VectorX m_b; 
 
    // private methods //
    inline void init(void); 
 
    inline void init(const int & nb_coefficients); 
 
  public:
    // Constructors
    BaseFunctionFitter(void) {
      init();
    } 
    BaseFunctionFitter(const int & nb_coefficients) {
      init(nb_coefficients);
    }               
 
    // Methods
    // get-methods //
    inline int number_of_coefficients(void) const;
    inline Amg::VectorX coefficients(void) const;
 
    // set-methods //
    inline void set_number_of_coefficients(const int & nb_coefficients);
    bool fit_parameters(const std::vector<SamplePoint> & sample_point,
            const unsigned int & first_point,
            const unsigned int & last_point,
            BaseFunction * base_function);
  };
 
}
 
// INCLUDE THE IMPLEMENATION OF INLINE METHODS //
 
#include "BaseFunctionFitter.ixx"
 
#endif