MnFunctionCross.h

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// @(#)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_MnFunctionCross
#define ROOT_Minuit2_MnFunctionCross
 
#include "Minuit2/MnConfig.h"
#include <vector>
 
namespace ROOT {
 
namespace Minuit2 {
 
class FCNBase;
class MnUserParameterState;
class MnStrategy;
class MnCross;
 
/**
   MnFunctionCross
*/
 
class MnFunctionCross {
 
public:
   MnFunctionCross(const FCNBase &fcn, const MnUserParameterState &state, double fval, const MnStrategy &stra)
      : fFCN(fcn), fState(state), fFval(fval), fStrategy(stra)
   {
   }
 
   ~MnFunctionCross() {}
 
   MnCross operator()(const std::vector<unsigned int> &, const std::vector<double> &, const std::vector<double> &,
                      double, unsigned int) const;
 
private:
   const FCNBase &fFCN;
   const MnUserParameterState &fState;
   double fFval;
   const MnStrategy &fStrategy;
};
 
} // namespace Minuit2
 
} // namespace ROOT
 
#endif // ROOT_Minuit2_MnFunctionCross