DataFormats/RecoCandidate/interface/FitQuality.h - master - githubmirror/cmssw

DataFormats/RecoCandidate/interface/FitQuality.h

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03 июн 2019, 06:38

03 июн 2019, 06:380f65aee

#ifndef RecoCandidate_FitQuality_h
#define RecoCandidate_FitQuality_h
/** \class reco::FitQuality
 *
 * structure containg fit quality
 *
 * \author Luca Lista, INFN
 *
 *
 */

#include "Rtypes.h"

namespace reco {

  class FitQuality {
  public:
    /// default constructor
    FitQuality() : chi2_(0), ndof_(0) {}
    /// constructor form values
    FitQuality(double chi2, double ndof) : chi2_(chi2), ndof_(ndof) {}
    /// chi-squared
    double chi2() const { return chi2_; }
    /// number of degrees of freedom
    double ndof() const { return ndof_; }
    /// normalized chi-squared
    double normalizedChi2() const { return chi2_ / ndof_; }

  private:
    Double32_t chi2_;
    Double32_t ndof_;
  };

}  // namespace reco

#endif