28#ifndef ROOT_Math_GSLMinimizer
29#define ROOT_Math_GSLMinimizer
58 class GSLMultiMinimizer;
60 class MinimTransformFunction;
110 if (
this == &rhs)
return *
this;
127 double Edm()
const override {
return 0; }
134 unsigned int NCalls()
const override;
141 const double *
Errors()
const override {
return nullptr; }
147 double CovMatrix(
unsigned int ,
unsigned int )
const override {
return 0; }
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Base Minimizer class, which defines the basic functionality of various minimizer implementations (apa...
void SetFunction(const ROOT::Math::IMultiGenFunction &func) override
set the function to minimize
const double * MinGradient() const override
return pointer to gradient values at the minimum
const double * Errors() const override
return errors at the minimum
ROOT::Math::GSLMultiMinimizer * fGSLMultiMin
double Edm() const override
return expected distance reached from the minimum
void SetFunction(const ROOT::Math::IMultiGenFunction &func) override
set the function to minimize
~GSLMinimizer() override
Destructor.
unsigned int NCalls() const override
number of function calls to reach the minimum
GSLMinimizer & operator=(const GSLMinimizer &rhs)
Assignment operator.
double CovMatrix(unsigned int, unsigned int) const override
return covariance matrices elements if the variable is fixed the matrix is zero The ordering of the v...
void SetFunction(const ROOT::Math::IMultiGradFunction &func) override
set the function to minimize
bool ProvidesError() const override
minimizer provides error and error matrix
GSLMinimizer(const GSLMinimizer &)
Copy constructor.
bool Minimize() override
method to perform the minimization
GSLMultiMinimizer class , for minimizing multi-dimensional function using derivatives.
Documentation for the abstract class IBaseFunctionMultiDim.
Interface (abstract class) for multi-dimensional functions providing a gradient calculation.
EGSLMinimizerType
enumeration specifying the types of GSL minimizers
Namespace for new Math classes and functions.
This file contains a specialised ROOT message handler to test for diagnostic in unit tests.