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Reference Guide
FumiliGradientCalculator.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_FumiliGradientCalculator
11#define ROOT_Minuit2_FumiliGradientCalculator
12
14#include "Minuit2/MnMatrix.h"
15
16namespace ROOT {
17
18namespace Minuit2 {
19
20class FumiliFCNBase;
21class MnUserTransformation;
22
24
25public:
28 {
29 }
30
32
33 FunctionGradient operator()(const MinimumParameters &) const override;
34
35 FunctionGradient operator()(const MinimumParameters &, const FunctionGradient &) const override;
36
37 const MnUserTransformation &Trafo() const { return fTransformation; }
38
39 const MnAlgebraicSymMatrix &Hessian() const { return fHessian; }
40
41private:
45};
46
47} // namespace Minuit2
48
49} // namespace ROOT
50
51#endif // ROOT_Minuit2_FumiliGradientCalculator
Extension of the FCNBase for the Fumili method.
Definition: FumiliFCNBase.h:46
FumiliGradientCalculator(const FumiliFCNBase &fcn, const MnUserTransformation &state, int n)
const MnAlgebraicSymMatrix & Hessian() const
const MnUserTransformation & Trafo() const
FunctionGradient operator()(const MinimumParameters &) const override
interface class for gradient calculators
Class describing a symmetric matrix of size n.
Definition: LASymMatrix.h:45
class dealing with the transformation between user specified parameters (external) and internal param...
const Int_t n
Definition: legend1.C:16
This file contains a specialised ROOT message handler to test for diagnostic in unit tests.