root/Minuit2/MnSeedGenerator.h

0001 // @(#)root/minuit2:$Id$
0002 // Authors: M. Winkler, F. James, L. Moneta, A. Zsenei   2003-2005
0003
0004 /**********************************************************************
0005  *                                                                    *
0006  * Copyright (c) 2005 LCG ROOT Math team,  CERN/PH-SFT                *
0007  *                                                                    *
0008  **********************************************************************/
0009
0010 #ifndef ROOT_Minuit2_MnSeedGenerator
0011 #define ROOT_Minuit2_MnSeedGenerator
0012
0013 #include "Minuit2/MinimumSeedGenerator.h"
0014 #include "Minuit2/AnalyticalGradientCalculator.h"
0015
0016 namespace ROOT {
0017
0018 namespace Minuit2 {
0019
0020 /** concrete implementation of the MinimumSeedGenerator interface; used within
0021     ModularFunctionMinimizer;
0022  */
0023
0024 class MnSeedGenerator : public MinimumSeedGenerator {
0025 public:
0026    MinimumSeed operator()(const MnFcn &, const GradientCalculator &, const MnUserParameterState &,
0027                           const MnStrategy &) const override;
0028
0029 private:
0030    MinimumSeed CallWithAnalyticalGradientCalculator(const MnFcn &, const AnalyticalGradientCalculator &,
0031                                                     const MnUserParameterState &, const MnStrategy &) const;
0032 };
0033
0034 } // namespace Minuit2
0035
0036 } // namespace ROOT
0037
0038 #endif // ROOT_Minuit2_MnSeedGenerator