10 #ifndef ROOT_Minuit2_InitialGradientCalculator 11 #define ROOT_Minuit2_InitialGradientCalculator 21 class MnUserTransformation;
22 class MnMachinePrecision;
48 unsigned int Ncycle()
const;
63 #endif // ROOT_Minuit2_InitialGradientCalculator InitialGradientCalculator(const MnFcn &fcn, const MnUserTransformation &par, const MnStrategy &stra)
Namespace for new ROOT classes and functions.
determines the relative floating point arithmetic precision.
virtual FunctionGradient operator()(const MinimumParameters &) const
double StepTolerance() const
Wrapper class to FCNBase interface used internally by Minuit.
const MnFcn & Fcn() const
Class to calculate an initial estimate of the gradient.
double GradTolerance() const
const MnMachinePrecision & Precision() const
unsigned int Ncycle() const
virtual ~InitialGradientCalculator()
const MnStrategy & fStrategy
const MnUserTransformation & fTransformation
const MnStrategy & Strategy() const
const MnUserTransformation & Trafo() const
API class for defining three levels of strategies: low (0), medium (1), high (>=2); acts on: Migrad (...
interface class for gradient calculators