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