TwoBodyDecay.h

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#ifndef Alignment_TwoBodyDecay_TwoBodyDecay_h
#define Alignment_TwoBodyDecay_TwoBodyDecay_h
 
#include "Alignment/TwoBodyDecay/interface/TwoBodyDecayParameters.h"
#include "Alignment/TwoBodyDecay/interface/TwoBodyDecayVirtualMeasurement.h"
 
class TwoBodyDecay {
public:
  typedef TwoBodyDecayParameters::ParameterName ParameterName;
 
  TwoBodyDecay(void)
      : theDecayParameters(), theChi2(0.), theValidityFlag(false), thePrimaryMass(0.), thePrimaryWidth(0.) {}
 
  TwoBodyDecay(const TwoBodyDecayParameters &param, double chi2, bool valid, const TwoBodyDecayVirtualMeasurement &vm)
      : theDecayParameters(param),
        theChi2(chi2),
        theValidityFlag(valid),
        thePrimaryMass(vm.primaryMass()),
        thePrimaryWidth(vm.primaryWidth()) {}
 
  ~TwoBodyDecay(void) {}
 
  inline const TwoBodyDecayParameters &decayParameters(void) const { return theDecayParameters; }
 
  inline const AlgebraicVector &parameters(void) const { return theDecayParameters.parameters(); }
  inline const AlgebraicSymMatrix &covariance(void) const { return theDecayParameters.covariance(); }
 
  inline double operator[](ParameterName name) const { return theDecayParameters[name]; }
 
  inline double operator()(ParameterName name) const { return theDecayParameters(name); }
 
  inline bool hasError(void) const { return theDecayParameters.hasError(); }
 
  inline double chi2(void) const { return theChi2; }
 
  inline bool isValid(void) const { return theValidityFlag; }
  inline void setInvalid(void) { theValidityFlag = false; }
 
  inline double primaryMass(void) const { return thePrimaryMass; }
  inline double primaryWidth(void) const { return thePrimaryWidth; }
 
private:
  TwoBodyDecayParameters theDecayParameters;
  double theChi2;
  bool theValidityFlag;
  double thePrimaryMass;
  double thePrimaryWidth;
};
 
#endif