library: libRooFit
#include "RooBrentRootFinder.h"

RooBrentRootFinder

class description - header file - source file
viewCVS header - viewCVS source

class RooBrentRootFinder: public RooAbsRootFinder

Inheritance Inherited Members Includes Libraries

Function Members (Methods)

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public:

	RooBrentRootFinder(const RooAbsFunc& function)
	RooBrentRootFinder(const RooBrentRootFinder&)
virtual	~RooBrentRootFinder()
static TClass*	Class()
virtual Bool_t	findRoot(Double_t& result, Double_t xlo, Double_t xhi, Double_t value = 0) const
virtual TClass*	IsA() const
virtual void	ShowMembers(TMemberInspector& insp, char* parent)
virtual void	Streamer(TBuffer& b)
void	StreamerNVirtual(TBuffer& b)

Data Members

public:

enum {	MaxIterations
};

protected:

const RooAbsFunc*	RooAbsRootFinder::_function
Bool_t	RooAbsRootFinder::_valid

Class Description

RooBrentRootFinder(const RooAbsFunc& function)

Bool_t findRoot(Double_t &result, Double_t xlo, Double_t xhi, Double_t value)

 Do the root finding using the Brent-Decker method. Returns a boolean status and
 loads 'result' with our best guess at the root if true.
 Prints a warning if the initial interval does not bracket a single
 root or if the root is not found after a fixed number of iterations.

RooBrentRootFinder(const RooAbsFunc& function)

virtual ~RooBrentRootFinder()

{ }

Last update: Sat Dec 9 09:57:05 2006
Copyright (c) 2000-2005, Regents of the University of California *

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