MnTraceObject.h

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// @(#)root/minuit2:$Id$
// Author:  L. Moneta 2012
 
/**********************************************************************
 *                                                                    *
 * Copyright (c) 2012 LCG ROOT Math team,  CERN/PH-SFT                *
 *                                                                    *
 **********************************************************************/
 
#ifndef ROOT_Minuit2_MnTraceObject
#define ROOT_Minuit2_MnTraceObject
 
namespace ROOT {
 
namespace Minuit2 {
 
class MinimumState;
class MnUserParameterState;
 
class MnTraceObject {
 
public:
   MnTraceObject(int parNumber = -1) : fUserState(0), fParNumber(parNumber) {}
 
   virtual ~MnTraceObject() {}
 
   virtual void Init(const MnUserParameterState &state) { fUserState = &state; }
 
   virtual void operator()(int i, const MinimumState &state);
 
   const MnUserParameterState &UserState() const { return *fUserState; }
 
   void SetParNumber(int number) { fParNumber = number; }
 
   int ParNumber() const { return fParNumber; }
 
private:
   const MnUserParameterState *fUserState;
   int fParNumber;
};
 
} // namespace Minuit2
} // namespace ROOT
 
#endif // ROOT_Minuit2_MnTraceIter