/data/refman/pasoursint/CMSSW_5_3_3/src/TopQuarkAnalysis/TopHitFit/interface/EtaDepResElement.h

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//
//     $Id: EtaDepResElement.h,v 1.1 2011/05/26 09:46:53 mseidel Exp $
//
// CMSSW File      : interface/EtaDepResElement.h
// Original Author : Haryo Sumowidagdo <Suharyo.Sumowidagdo@cern.ch>
// Purpose         : Hold on to an element of eta-dependent resolution.
//                   A class which holds to the information of resolution
//                   and the eta range in which the resolution is valid.
//

#ifndef HITFIT_ETA_DEP_RES_ELEMENT
#define HITFIT_ETA_DEP_RES_ELEMENT

#include <iostream>

#include "TopQuarkAnalysis/TopHitFit/interface/Defaults_Text.h"
#include "TopQuarkAnalysis/TopHitFit/interface/Vector_Resolution.h"


namespace hitfit {

class EtaDepResElement {

private:

    double            _EtaMin;

    double            _EtaMax;

    void              SetEta(double eta1,double eta2);

    Vector_Resolution _Vector_Resolution;

public:

    EtaDepResElement(double eta1, double eta2,
                     const Vector_Resolution& res);

    EtaDepResElement(double eta1, double eta2,
                     std::string res);

    EtaDepResElement(double eta1, double eta2,
                     const Resolution& p_res,
                     const Resolution& eta_res,
                     const Resolution& phi_res,
                     bool use_et);

    ~EtaDepResElement();

    friend bool operator < (const EtaDepResElement& a,
                            const EtaDepResElement& b) ;

    const double EtaMin() const;

    const double EtaMax() const;

    bool IsOverlap(const EtaDepResElement& e) const ;

    bool IsNotOverlap(const EtaDepResElement& e) const ;

    bool IsInInterval(const double& eta) const ;


    bool IsOnEdge(const double& eta) const;

    bool IsOnEdge(const EtaDepResElement& e) const;

    const Vector_Resolution GetResolution() const;

    friend std::ostream& operator<<(std::ostream& s,
                                    const EtaDepResElement& e);

    static const int  InverseEtaPrecision = 1000000; // Precision of 1/1000000

};

} // namespace hitfit
#endif // not #ifndef HITFIT_ETA_DEP_RES_ELEMENT