#include "Math/Minimizer.h"
#include "Math/Factory.h"
#include "Math/Functor.h"
#include "TVirtualFitter.h"
#include "Math/IFunction.h"
#include "Math/Util.h"
#include <cmath>
#include <cassert>
#include <string>
#include <iostream>
#include "TStopwatch.h"
#include "TMatrixD.h"
#include "TVectorD.h"
#include "TRandom3.h"
#include "TMath.h"

Include dependency graph for testMinimizer.cxx:

Typedefs
typedef void(*	FCN )(Int_t &npar, Double_t gin, Double_t &f, Double_t u, Int_t flag)

Functions
void	RosenBrock (Int_t &, Double_t , Double_t &f, Double_t par, Int_t)

double	WoodFunction (const double *par)

double	PowellFunction (const double *par)

double	SimpleQuadFunction (const double *par)

const double *	TrueMinimum (const ROOT::Math::IMultiGenFunction &func)

void	printMinimum (const std::vector< double > &x)

int	DoNewMinimization (const ROOT::Math::IMultiGenFunction &func, const double x0, const double s0, ROOT::Math::Minimizer min, double &minval, double &edm, double minx)

int	DoOldMinimization (FCN func, TVirtualFitter *min, double &minval, double &edm)

int	testNewMinimizer (const ROOT::Math::IMultiGenFunction &func, const double x0, const double s0, const std::string &minimizer, const std::string &algoType)

int	testOldMinimizer (FCN func, const std::string &fitter, int n=25)

int	testRosenBrock ()

int	testChebyQuad ()

int	testTrigoFletcher ()

int	testWood ()

int	testPowell ()

int	testQuadFunc ()

int	main ()

Variables
int	gNCall = 0

int	gNCall2 = 0

int	gNmin = 1000

int	gVerbose = 0

bool	useGradient = false

bool	minos = true

double	gAbsTolerance = 0.005

Typedef Documentation

typedef void(* FCN)(Int_t &npar, Double_t *gin, Double_t &f, Double_t *u, Int_t flag)

Definition at line 37 of file testMinimizer.cxx.

Function Documentation

int DoNewMinimization	(	const ROOT::Math::IMultiGenFunction &	func,
		const double *	x0,
		const double *	s0,
		ROOT::Math::Minimizer *	min,
		double &	minval,
		double &	edm,
		double *	minx
	)

Definition at line 445 of file testMinimizer.cxx.

Referenced by testNewMinimizer().

int DoOldMinimization	(	FCN	func,
		TVirtualFitter *	min,
		double &	minval,
		double &	edm
	)

Definition at line 515 of file testMinimizer.cxx.

Referenced by testOldMinimizer().

int main ( )

Definition at line 861 of file testMinimizer.cxx.

double PowellFunction ( const double * par )

Definition at line 394 of file testMinimizer.cxx.

Referenced by testPowell().

void printMinimum ( const std::vector< double > & x )

Definition at line 431 of file testMinimizer.cxx.

Referenced by testNewMinimizer().

void RosenBrock	(	Int_t &	,
		Double_t *	,
		Double_t &	f,
		Double_t *	par,
		Int_t
	)

Definition at line 44 of file testMinimizer.cxx.

double SimpleQuadFunction ( const double * par )

Definition at line 411 of file testMinimizer.cxx.

Referenced by testQuadFunc().

int testChebyQuad ( )

Definition at line 681 of file testMinimizer.cxx.

Referenced by main().

int testNewMinimizer	(	const ROOT::Math::IMultiGenFunction &	func,
		const double *	x0,
		const double *	s0,
		const std::string &	minimizer,
		const std::string &	algoType
	)