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Numerical2PGradientCalculator.h
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1// @(#)root/minuit2:$Id$
2// Authors: M. Winkler, F. James, L. Moneta, A. Zsenei 2003-2005
3
4/**********************************************************************
5 * *
6 * Copyright (c) 2005 LCG ROOT Math team, CERN/PH-SFT *
7 * *
8 **********************************************************************/
9
10#ifndef ROOT_Minuit2_Numerical2PGradientCalculator
11#define ROOT_Minuit2_Numerical2PGradientCalculator
12
13#include "Minuit2/MnConfig.h"
14
16
17namespace ROOT {
18
19namespace Minuit2 {
20
21class MnFcn;
22class MnUserTransformation;
23class MnStrategy;
24
25/**
26 class performing the numerical gradient calculation
27 */
28
30
31public:
36
37 FunctionGradient operator()(const MinimumParameters &) const override;
38
39 FunctionGradient operator()(const MinimumParameters &, const FunctionGradient &) const override;
40
41private:
42 const MnFcn &fFcn;
45};
46
47} // namespace Minuit2
48
49} // namespace ROOT
50
51#endif // ROOT_Minuit2_Numerical2PGradientCalculator
interface class for gradient calculators
Wrapper class to FCNBase interface used internally by Minuit.
Definition MnFcn.h:34
API class for defining four levels of strategies: low (0), medium (1), high (2), very high (>=3); act...
Definition MnStrategy.h:27
class dealing with the transformation between user specified parameters (external) and internal param...
class performing the numerical gradient calculation
FunctionGradient operator()(const MinimumParameters &) const override
Numerical2PGradientCalculator(const MnFcn &fcn, const MnUserTransformation &par, const MnStrategy &stra)
tbb::task_arena is an alias of tbb::interface7::task_arena, which doesn't allow to forward declare tb...