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ROOT » MATH » MINUIT2 » ROOT::Minuit2::MnStrategy

class ROOT::Minuit2::MnStrategy


    API class for defining three levels of strategies: low (0), medium (1),
    high (>=2);
    acts on: Migrad (behavioural),
             Minos (lowers strategy by 1 for Minos-own minimization),
	     Hesse (iterations),
	     Numerical2PDerivative (iterations)

Function Members (Methods)

public:
~MnStrategy()
unsigned intGradientNCycles() const
doubleGradientStepTolerance() const
doubleGradientTolerance() const
doubleHessianG2Tolerance() const
unsigned intHessianGradientNCycles() const
unsigned intHessianNCycles() const
doubleHessianStepTolerance() const
boolIsHigh() const
boolIsLow() const
boolIsMedium() const
ROOT::Minuit2::MnStrategyMnStrategy()
ROOT::Minuit2::MnStrategyMnStrategy(unsigned int)
ROOT::Minuit2::MnStrategyMnStrategy(const ROOT::Minuit2::MnStrategy&)
ROOT::Minuit2::MnStrategy&operator=(const ROOT::Minuit2::MnStrategy&)
voidSetGradientNCycles(unsigned int n)
voidSetGradientStepTolerance(double stp)
voidSetGradientTolerance(double toler)
voidSetHessianG2Tolerance(double toler)
voidSetHessianGradientNCycles(unsigned int n)
voidSetHessianNCycles(unsigned int n)
voidSetHessianStepTolerance(double stp)
voidSetHighStrategy()
voidSetLowStrategy()
voidSetMediumStrategy()
unsigned intStrategy() const

Data Members

private:
unsigned intfGradNCyc
doublefGradTlr
doublefGradTlrStp
unsigned intfHessGradNCyc
unsigned intfHessNCyc
doublefHessTlrG2
doublefHessTlrStp
unsigned intfStrategy

Class Charts

Inheritance Inherited Members Includes Libraries
Class Charts

Function documentation

MnStrategy()
default strategy
explicit MnStrategy(unsigned int )
user defined strategy (0, 1, >=2)
~MnStrategy()
{}
unsigned int Strategy() const
{return fStrategy;}
unsigned int GradientNCycles() const
{return fGradNCyc;}
double GradientStepTolerance() const
{return fGradTlrStp;}
double GradientTolerance() const
{return fGradTlr;}
unsigned int HessianNCycles() const
{return fHessNCyc;}
double HessianStepTolerance() const
{return fHessTlrStp;}
double HessianG2Tolerance() const
{return fHessTlrG2;}
unsigned int HessianGradientNCycles() const
{return fHessGradNCyc;}
bool IsLow() const
{return fStrategy == 0;}
bool IsMedium() const
{return fStrategy == 1;}
bool IsHigh() const
{return fStrategy >= 2;}
void SetLowStrategy()
void SetMediumStrategy()
void SetHighStrategy()
void SetGradientNCycles(unsigned int n)
{fGradNCyc = n;}
void SetGradientStepTolerance(double stp)
{fGradTlrStp = stp;}
void SetGradientTolerance(double toler)
{fGradTlr = toler;}
void SetHessianNCycles(unsigned int n)
{fHessNCyc = n;}
void SetHessianStepTolerance(double stp)
{fHessTlrStp = stp;}
void SetHessianG2Tolerance(double toler)
{fHessTlrG2 = toler;}
void SetHessianGradientNCycles(unsigned int n)
{fHessGradNCyc = n;}