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#ifndef HeavyFlavorAnalysis_SpecificDecay_BPHChi2Select_h
#define HeavyFlavorAnalysis_SpecificDecay_BPHChi2Select_h
/** \class BPHChi2Select
*
* Description:
* Class for candidate selection by chisquare (at vertex fit level)
*
* \author Paolo Ronchese INFN Padova
*
*/
//----------------------
// Base Class Headers --
//----------------------
#include "HeavyFlavorAnalysis/RecoDecay/interface/BPHVertexSelect.h"
//------------------------------------
// Collaborating Class Declarations --
//------------------------------------
#include "HeavyFlavorAnalysis/RecoDecay/interface/BPHDecayVertex.h"
#include "TMath.h"
//---------------
// C++ Headers --
//---------------
// ---------------------
// -- Class Interface --
// ---------------------
class BPHChi2Select : public BPHVertexSelect {
public:
/** Constructor
*/
BPHChi2Select(double prob) : probMin(prob) {}
// deleted copy constructor and assignment operator
BPHChi2Select(const BPHChi2Select& x) = delete;
BPHChi2Select& operator=(const BPHChi2Select& x) = delete;
/** Destructor
*/
~BPHChi2Select() override = default;
/** Operations
*/
/// select vertex
bool accept(const BPHDecayVertex& cand) const override {
if (probMin < 0.0)
return true;
const reco::Vertex& v = cand.vertex();
if (v.isFake())
return false;
if (!v.isValid())
return false;
return (TMath::Prob(v.chi2(), lround(v.ndof())) >= probMin);
}
/// set prob min
void setProbMin(double p) {
probMin = p;
return;
}
/// get current prob min
double getProbMin() const { return probMin; }
private:
double probMin;
};
#endif
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