MnFumiliMinimize.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_MnFumiliMinimize
#define ROOT_Minuit2_MnFumiliMinimize
 
#include "Minuit2/MnApplication.h"
#include "Minuit2/FumiliMinimizer.h"
#include "Minuit2/FumiliFCNBase.h"
 
namespace ROOT {
 
   namespace Minuit2 {
 
 
// class FumiliFCNBase;
// class FCNBase;
 
 
//___________________________________________________________________________
/**
 
 
API class for minimization using Fumili technology;
allows for user interaction: set/change parameters, do minimization,
change parameters, re-do minimization etc.;
also used by MnMinos and MnContours;
 
 
 */
 
class MnFumiliMinimize : public MnApplication {
 
public:
 
   /// construct from FumiliFCNBase + std::vector for parameters and errors
   MnFumiliMinimize(const FumiliFCNBase& fcn, const std::vector<double>& par, const std::vector<double>& err, unsigned int stra = 1) : MnApplication(fcn, MnUserParameterState(par,err), MnStrategy(stra)), fMinimizer(FumiliMinimizer()), fFCN(fcn) {}
 
   /// construct from FumiliFCNBase + std::vector for parameters and covariance
   MnFumiliMinimize(const FumiliFCNBase& fcn, const std::vector<double>& par, unsigned int nrow, const std::vector<double>& cov,  unsigned int stra = 1) : MnApplication(fcn, MnUserParameterState(par, cov, nrow), MnStrategy(stra)), fMinimizer(FumiliMinimizer()), fFCN(fcn) {}
 
   /// construct from FumiliFCNBase + std::vector for parameters and MnUserCovariance
   MnFumiliMinimize(const FumiliFCNBase& fcn, const std::vector<double>& par, const MnUserCovariance& cov, unsigned int stra = 1) : MnApplication(fcn, MnUserParameterState(par, cov), MnStrategy(stra)), fMinimizer(FumiliMinimizer()), fFCN(fcn) {}
 
   /// construct from FumiliFCNBase + MnUserParameters
   MnFumiliMinimize(const FumiliFCNBase& fcn, const MnUserParameters& par, unsigned int stra = 1) : MnApplication(fcn, MnUserParameterState(par), MnStrategy(stra)), fMinimizer(FumiliMinimizer()), fFCN(fcn) {}
 
   /// construct from FumiliFCNBase + MnUserParameters + MnUserCovariance
   MnFumiliMinimize(const FumiliFCNBase& fcn, const MnUserParameters& par, const MnUserCovariance& cov, unsigned int stra = 1) : MnApplication(fcn, MnUserParameterState(par, cov), MnStrategy(stra)), fMinimizer(FumiliMinimizer()), fFCN(fcn) {}
 
   /// construct from FumiliFCNBase + MnUserParameterState + MnStrategy
   MnFumiliMinimize(const FumiliFCNBase& fcn, const MnUserParameterState& par, const MnStrategy& str) : MnApplication(fcn, MnUserParameterState(par), str), fMinimizer(FumiliMinimizer()), fFCN(fcn) {}
 
   MnFumiliMinimize(const MnFumiliMinimize& migr) : MnApplication(migr.Fcnbase(), migr.State(), migr.Strategy(), migr.NumOfCalls()), fMinimizer(migr.fMinimizer), fFCN(migr.Fcnbase()) {}
 
   virtual ~MnFumiliMinimize() { }
 
   FumiliMinimizer& Minimizer() {return fMinimizer;}
   const FumiliMinimizer& Minimizer() const {return fMinimizer;}
 
   const FumiliFCNBase & Fcnbase() const { return fFCN; }
 
 
   /// overwrite Minimize to use FumiliFCNBase
   virtual FunctionMinimum operator()(unsigned int = 0, double = 0.1);
 
 
private:
 
   FumiliMinimizer fMinimizer;
   const FumiliFCNBase & fFCN;
 
private:
 
   //forbidden assignment of migrad (const FumiliFCNBase& = )
   MnFumiliMinimize& operator=(const MnFumiliMinimize&) {return *this;}
};
 
  }  // namespace Minuit2
 
}  // namespace ROOT
 
#endif  // ROOT_Minuit2_MnFumiliMinimize