// @(#)root/minuit2:$Id$
// Authors: M. Winkler, F. James, L. Moneta, A. Zsenei   2003-2005

/**********************************************************************
 *                                                                    *
 * Copyright (c) 2005 LCG ROOT Math team,  CERN/PH-SFT                *
 *                                                                    *
 **********************************************************************/

#ifndef ROOT_Minuit2_MnGlobalCorrelationCoeff
#define ROOT_Minuit2_MnGlobalCorrelationCoeff

#include "Minuit2/MnConfig.h"
#include "Minuit2/MnMatrix.h"

#include <vector>

namespace ROOT {

namespace Minuit2 {

/**
   class for global correlation coefficient
 */
class MnGlobalCorrelationCoeff {

public:
   MnGlobalCorrelationCoeff() : fGlobalCC(std::vector<double>()), fValid(false) {}

   MnGlobalCorrelationCoeff(const MnAlgebraicSymMatrix &);

   const std::vector<double> &GlobalCC() const { return fGlobalCC; }

   bool IsValid() const { return fValid; }

private:
   std::vector<double> fGlobalCC;
   bool fValid;
};

} // namespace Minuit2

} // namespace ROOT

#endif // ROOT_Minuit2_MnGlobalCorrelationCoeff