Fit_Result.h

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//
//
// File: hitfit/Fit_Result.h
// Purpose: Hold the result from a single kinematic fit.
// Created: Jul, 2000, sss, based on run 1 mass analysis code.
//
// These objects are reference-counted.
//
// CMSSW File      : interface/Fit_Result.h
// Original Author : Scott Stuart Snyder <snyder@bnl.gov> for D0
// Imported to CMSSW by Haryo Sumowidagdo <Suharyo.Sumowidagdo@cern.ch>
//

#ifndef HITFIT_FIT_RESULT_H
#define HITFIT_FIT_RESULT_H


#include "TopQuarkAnalysis/TopHitFit/interface/Lepjets_Event.h"
#include "TopQuarkAnalysis/TopHitFit/interface/matutil.h"
#include <iosfwd>
#include <vector>

namespace hitfit {


class Fit_Result
//
// Purpose: Hold the result from a single kinematic fit.
//
{
public:
  // Constructor.  Provide the results of the fit.
  Fit_Result (double chisq,
              const Lepjets_Event& ev,
              const Column_Vector& pullx,
              const Column_Vector& pully,
              double umwhad,
              double utmass,
              double mt,
              double sigmt);

  // Get back the fit result.
  double chisq () const;

  double umwhad () const;

  double utmass () const;

  double mt () const;

  double sigmt () const;

  const Column_Vector& pullx () const;

  const Column_Vector& pully () const;

  const Lepjets_Event& ev () const;

  // For sorting by chisq.
  friend bool operator< (const Fit_Result& a, const Fit_Result& b);

  // Print this object.
  friend std::ostream& operator<< (std::ostream& s, const Fit_Result& res);

  // Get the jet-types permutation
  std::vector<int> jet_types();

private:
  // Store the results of the kinematic fit.

  double _chisq;

  double _umwhad;

  double _utmass;

  double _mt;

  double _sigmt;

  Column_Vector _pullx;

  Column_Vector _pully;

  Lepjets_Event _ev;
};


} // namespace hitfit


#endif // not HITFIT_FIT_RESULT_H