Reconstruction/MdcPatRec/ProbTools/include/ProbTools/ChisqConsistency.h

Go to the documentation of this file.

//--------------------------------------------------------------------------
// File and Version Information:
//  $Id: ChisqConsistency.h,v 1.1.1.1 2005/04/21 01:17:17 zhangy Exp $
//
// Description:
//
// Environment:
//  Software developed for the BaBar Detector at the SLAC B-Factory.
//
// Author List:
//      Bob Jacobsen, Ed Iskander
//
// Copyright Information:
//  Copyright (C) 1996
//
//------------------------------------------------------------------------
 
#ifndef CHISQCONSISTENCY_HH
#define CHISQCONSISTENCY_HH
// #include "BaBar/BaBar.hh"
 
//-----------------
// BaBar Headers --
//-----------------
#include "ProbTools/Consistency.h"
 
class ChisqConsistency : public Consistency {
public:
  // default constructor; sets internal state to noMeasure
  ChisqConsistency();
  // real constructor
  ChisqConsistency( double chisq, double nDof );
  // construct directly from consistency value (chisq will be
  // computed from that).  Note this only works for _integral_ DOFs.
  // I have to reverse the argument order to keep the implicit casting
  // from confusing this with the above
  ChisqConsistency( unsigned nDof, double consistency );
  // copy and equivalence
  ChisqConsistency( const ChisqConsistency& );
  ChisqConsistency& operator=( const ChisqConsistency& );
 
  virtual ~ChisqConsistency() {}
  // accessors
  const double& chisqValue() const { return _chisq; }
  const double& nDOF() const { return _nDof; }
 
protected:
  double _chisq;
  double _nDof;
};
 
#endif