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InitialGradientCalculator.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_InitialGradientCalculator
11#define ROOT_Minuit2_InitialGradientCalculator
12
14
15namespace ROOT {
16
17namespace Minuit2 {
18
19class MnUserTransformation;
20
21FunctionGradient calculateInitialGradient(const MinimumParameters &, const MnUserTransformation &, double errorDef);
22
23} // namespace Minuit2
24
25} // namespace ROOT
26
27#endif // ROOT_Minuit2_InitialGradientCalculator
FunctionGradient calculateInitialGradient(const MinimumParameters &, const MnUserTransformation &, double errorDef)
Initial rough estimate of the gradient using the parameter step size.
Namespace for new ROOT classes and functions.