testMinim.cxx File Reference

#include "Math/Minimizer.h"
#include "Math/Factory.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 "RVersion.h"
#include "RConfigure.h"

Include dependency graph for testMinim.cxx:

Go to the source code of this file.

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)
const double *	TrueXMinimum (const ROOT::Math::IMultiGenFunction &func)
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	testTrigoFletcher ()
int	testChebyQuad ()
int	main ()

Variables
int	gNCall = 0
int	gNCall2 = 0
int	gNmin = 1
int	gVerbose = 1
bool	minos = false
double	gAbsTolerance = 5.E-6

Typedef Documentation

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

Definition at line 39 of file testMinim.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 416 of file testMinim.cxx.

Referenced by testNewMinimizer().

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

Definition at line 484 of file testMinim.cxx.

Referenced by testOldMinimizer().

int main

(

)

Definition at line 740 of file testMinim.cxx.

void printMinimum

(

const std::vector< double > &

x

)

Definition at line 402 of file testMinim.cxx.

Referenced by testNewMinimizer().

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

Definition at line 46 of file testMinim.cxx.

Referenced by testGAMinimizer(), and testRosenBrock().

int testChebyQuad

(

)

Definition at line 682 of file testMinim.cxx.

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

Definition at line 530 of file testMinim.cxx.

Referenced by testChebyQuad(), testRosenBrock(), and testTrigoFletcher().

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

Definition at line 581 of file testMinim.cxx.

Referenced by testRosenBrock().

int testRosenBrock

(

)

Definition at line 614 of file testMinim.cxx.

Referenced by main().

int testTrigoFletcher

(

)

Definition at line 651 of file testMinim.cxx.

double TrueMinimum

(

const ROOT::Math::IMultiGenFunction &

func

)

Definition at line 391 of file testMinim.cxx.

Referenced by DoNewMinimization().

const double* TrueXMinimum

(

const ROOT::Math::IMultiGenFunction &

func

)

Definition at line 381 of file testMinim.cxx.

Referenced by DoNewMinimization().

Variable Documentation

double gAbsTolerance = 5.E-6

Definition at line 35 of file testMinim.cxx.

Referenced by DoNewMinimization(), and DoOldMinimization().

int gNCall = 0

Definition at line 27 of file testMinim.cxx.

Referenced by RosenBrock(), testNewMinimizer(), and testOldMinimizer().

int gNCall2 = 0

Definition at line 28 of file testMinim.cxx.

Referenced by testNewMinimizer().

int gNmin = 1

Definition at line 29 of file testMinim.cxx.

Referenced by main(), testChebyQuad(), testNewMinimizer(), testOldMinimizer(), testRosenBrock(), and testTrigoFletcher().

int gVerbose = 1

Definition at line 30 of file testMinim.cxx.

Referenced by DoNewMinimization(), DoOldMinimization(), and main().

bool minos = false

Definition at line 33 of file testMinim.cxx.

Referenced by RooAbsReal::chi2FitDriver(), ROOT::Minuit2::MnContours::Contour(), DoNewMinimization(), DoOldMinimization(), RooMinuit::fit(), RooMinimizer::fit(), RooAbsPdf::fitTo(), and ROOT::Minuit2::Minuit2Minimizer::GetMinosError().