SimAnMinimizer Class Reference

Description

Wrapper for the CERN ROOT facade of the GSL simmulated annealing minimizer.

Definition at line 32 of file SimAnMinimizer.h.

Inheritance diagram for SimAnMinimizer:

Collaboration diagram for SimAnMinimizer:

Public Types
using	root_minimizer_t = ROOT::Math::Minimizer

Public Member Functions
	SimAnMinimizer ()
	~SimAnMinimizer () override
std::string	algorithmName () const override
	Returns name of the minimization algorithm. More...
double	boltzmannInitialTemp () const
double	boltzmannK () const
double	boltzmannMinTemp () const
double	boltzmannMu () const
virtual void	clear ()
	Clears resources (parameters) for consecutives minimizations. More...
int	iterationsAtEachTemp () const
int	maxIterations () const
mumufit::MinimizerResult	minimize_residual (fcn_residual_t fcn, mumufit::Parameters parameters) override
	Runs minimization. More...
mumufit::MinimizerResult	minimize_scalar (fcn_scalar_t fcn, mumufit::Parameters parameters) override
	Runs minimization. More...
std::string	minimizerName () const override
	Returns name of the minimizer. More...
double	minValue () const override
	Returns minimum function value. More...
MinimizerOptions &	options ()
const MinimizerOptions &	options () const
int	printLevel () const
bool	providesError () const
	Returns true if minimizer provides error and error matrix. More...
virtual bool	requiresResiduals ()
	Returns true if minimizer computations are residual-based, false otherwise. More...
void	setBoltzmannInitialTemp (double value)
	Sets Boltzmann distribution parameter: initial temperature. More...
void	setBoltzmannK (double value)
	Sets Boltzmann distribution parameter: k. More...
void	setBoltzmannMinTemp (double value)
	Sets Boltzmann distribution parameter: minimal temperature. More...
void	setBoltzmannMu (double value)
	Sets Boltzmann distribution parameter: mu. More...
void	setIterationsAtEachTemp (int value)
	Sets number of iterations at each temperature. More...
void	setMaxIterations (int value)
	Sets maximum number of iterations to try at each step. More...
void	setOptions (const std::string &optionString) override
	Sets option string to the minimizer. More...
void	setParameters (const mumufit::Parameters &parameters)
void	setPrintLevel (int value)
	Sets minimizer internal print level. Default value is 0 (silent). More...
void	setStepSize (double value)
	Sets max step size used in random walk. More...
std::map< std::string, std::string >	statusMap () const override
	Returns map of string representing different minimizer statuses. More...
virtual std::string	statusToString () const
	Returns string representation of current minimizer status. More...
double	stepSize () const

Protected Member Functions
template<class T >
OptionContainer::option_t	addOption (const std::string &optionName, T value, const std::string &description="")
size_t	fitRank () const
	Returns number of fit parameters defined (i.e. dimension of the function to be minimized). More...
mumufit::MinimizerResult	minimize (mumufit::Parameters parameters)
template<class T >
T	optionValue (const std::string &optionName) const
std::vector< double >	parErrorsAtMinimum () const
	Returns errors of the variables at minimum. More...
std::vector< double >	parValuesAtMinimum () const
	Returns value of the variables at minimum. More...
void	propagateOptions () override
void	propagateResults (mumufit::Parameters &parameters)
	Propagates results of minimization to fit parameter set. More...
root_minimizer_t *	rootMinimizer ()
const root_minimizer_t *	rootMinimizer () const override
template<class T >
void	setOptionValue (const std::string &optionName, T value)
virtual void	setParameter (unsigned int index, const mumufit::Parameter &par)

Private Attributes
std::unique_ptr< mumufit::ObjectiveFunctionAdapter >	m_adapter
MinimizerInfo	m_minimizerInfo
MinimizerOptions	m_options
std::unique_ptr< ROOT::Math::GSLSimAnMinimizer >	m_siman_minimizer
bool	m_status

Member Typedef Documentation

root_minimizer_t

using MinimizerAdapter::root_minimizer_t = ROOT::Math::Minimizer

inherited

Definition at line 47 of file MinimizerAdapter.h.

Constructor & Destructor Documentation

SimAnMinimizer()

SimAnMinimizer::SimAnMinimizer

(

)

Definition at line 30 of file SimAnMinimizer.cpp.

    : MinimizerAdapter(MinimizerInfo::buildGSLSimAnInfo())
    , m_siman_minimizer(new ROOT::Math::GSLSimAnMinimizer())
{
    addOption("PrintLevel", 0, "Minimizer internal print level");
    addOption("MaxIterations", 100, "Number of points to try for each step");
    addOption("IterationsAtTemp", 10, "Number of iterations at each temperature");
    addOption("StepSize", 1.0, "Max step size used in random walk");
    addOption("k", 1.0, "Boltzmann k");
    addOption("t_init", 50.0, "Boltzmann initial temperature");
    addOption("mu", 1.05, "Boltzmann mu");
    addOption("t_min", 0.1, "Boltzmann minimal temperature");
}

References MinimizerAdapter::addOption().

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~SimAnMinimizer()

SimAnMinimizer::~SimAnMinimizer ( )

overridedefault

Member Function Documentation

addOption()

template<class T >

OptionContainer::option_t MinimizerAdapter::addOption ( const std::string &  optionName, T  value, const std::string &  description = ""  )

protectedinherited

Definition at line 115 of file MinimizerAdapter.h.

{
    return m_options.addOption(optionName, value, description);
}

References OptionContainer::addOption(), and MinimizerAdapter::m_options.

Referenced by GeneticMinimizer::GeneticMinimizer(), GSLLevenbergMarquardtMinimizer::GSLLevenbergMarquardtMinimizer(), GSLMultiMinimizer::GSLMultiMinimizer(), Minuit2Minimizer::Minuit2Minimizer(), and SimAnMinimizer().

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algorithmName()

std::string MinimizerAdapter::algorithmName ( ) const

overridevirtualinherited

Returns name of the minimization algorithm.

Implements IMinimizer.

Definition at line 73 of file MinimizerAdapter.cpp.

{
    return m_minimizerInfo.algorithmName();
}

References MinimizerInfo::algorithmName(), and MinimizerAdapter::m_minimizerInfo.

Referenced by Minuit2Minimizer::requiresResiduals().

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boltzmannInitialTemp()

double SimAnMinimizer::boltzmannInitialTemp

(

)

const

Definition at line 101 of file SimAnMinimizer.cpp.

{
    return optionValue<double>("t_init");
}

Referenced by propagateOptions().

boltzmannK()

double SimAnMinimizer::boltzmannK

(

)

const

Definition at line 91 of file SimAnMinimizer.cpp.

{
    return optionValue<double>("k");
}

Referenced by propagateOptions().

boltzmannMinTemp()

double SimAnMinimizer::boltzmannMinTemp

(

)

const

Definition at line 121 of file SimAnMinimizer.cpp.

{
    return optionValue<double>("t_min");
}

Referenced by propagateOptions().

boltzmannMu()

double SimAnMinimizer::boltzmannMu

(

)

const

Definition at line 111 of file SimAnMinimizer.cpp.

{
    return optionValue<double>("mu");
}

Referenced by propagateOptions().

clear()

virtual void IMinimizer::clear ( )

inlinevirtualinherited

Clears resources (parameters) for consecutives minimizations.

Definition at line 50 of file IMinimizer.h.

{}

fitRank()

size_t MinimizerAdapter::fitRank ( ) const

protectedinherited

Returns number of fit parameters defined (i.e. dimension of the function to be minimized).

Definition at line 180 of file MinimizerAdapter.cpp.

{
    return rootMinimizer()->NDim();
}

References ROOT::Math::Minimizer::NDim(), and MinimizerAdapter::rootMinimizer().

Referenced by MinimizerAdapter::parErrorsAtMinimum(), MinimizerAdapter::parValuesAtMinimum(), and MinimizerAdapter::propagateResults().

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iterationsAtEachTemp()

int SimAnMinimizer::iterationsAtEachTemp

(

)

const

Definition at line 71 of file SimAnMinimizer.cpp.

{
    return optionValue<int>("IterationsAtTemp");
}

Referenced by propagateOptions().

maxIterations()

int SimAnMinimizer::maxIterations

(

)

const

Definition at line 61 of file SimAnMinimizer.cpp.

{
    return optionValue<int>("MaxIterations");
}

Referenced by propagateOptions().

minimize()

MinimizerResult MinimizerAdapter::minimize ( mumufit::Parameters  parameters )

protectedinherited

Definition at line 50 of file MinimizerAdapter.cpp.

{
    setParameters(parameters);
    propagateOptions();
 
    m_status = rootMinimizer()->Minimize();
    propagateResults(parameters);
 
    MinimizerResult result;
    result.setParameters(parameters);
    result.setMinValue(minValue());
    result.setReport(internal::reportToString(*this));
    result.setNumberOfCalls(m_adapter->numberOfCalls());
    result.setNumberOfGradientCalls(m_adapter->numberOfGradientCalls());
 
    return result;
}

References MinimizerAdapter::m_adapter, MinimizerAdapter::m_status, ROOT::Math::Minimizer::Minimize(), MinimizerAdapter::minValue(), MinimizerAdapter::propagateOptions(), MinimizerAdapter::propagateResults(), mumufit::internal::reportToString(), MinimizerAdapter::rootMinimizer(), mumufit::MinimizerResult::setMinValue(), mumufit::MinimizerResult::setNumberOfCalls(), mumufit::MinimizerResult::setNumberOfGradientCalls(), MinimizerAdapter::setParameters(), mumufit::MinimizerResult::setParameters(), and mumufit::MinimizerResult::setReport().

Referenced by MinimizerAdapter::minimize_residual(), and MinimizerAdapter::minimize_scalar().

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minimize_residual()

MinimizerResult MinimizerAdapter::minimize_residual ( fcn_residual_t  , mumufit::Parameters    )

overridevirtualinherited

Runs minimization.

Reimplemented from IMinimizer.

Definition at line 43 of file MinimizerAdapter.cpp.

{
    // Genetic minimizer requires SetFunction before setParameters, others don't care
    rootMinimizer()->SetFunction(*m_adapter->rootResidualFunction(fcn, parameters));
    return minimize(parameters);
}

References MinimizerAdapter::m_adapter, MinimizerAdapter::minimize(), MinimizerAdapter::rootMinimizer(), and ROOT::Math::Minimizer::SetFunction().

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minimize_scalar()

MinimizerResult MinimizerAdapter::minimize_scalar ( fcn_scalar_t  , mumufit::Parameters    )

overridevirtualinherited

Runs minimization.

Reimplemented from IMinimizer.

Definition at line 36 of file MinimizerAdapter.cpp.

{
    // Genetic minimizer requires SetFunction before setParameters, others don't care
    rootMinimizer()->SetFunction(*m_adapter->rootObjectiveFunction(fcn, parameters));
    return minimize(parameters);
}

References MinimizerAdapter::m_adapter, MinimizerAdapter::minimize(), MinimizerAdapter::rootMinimizer(), and ROOT::Math::Minimizer::SetFunction().

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minimizerName()

std::string MinimizerAdapter::minimizerName ( ) const

overridevirtualinherited

Returns name of the minimizer.

Implements IMinimizer.

Definition at line 68 of file MinimizerAdapter.cpp.

{
    return m_minimizerInfo.name();
}

References MinimizerAdapter::m_minimizerInfo, and MinimizerInfo::name().

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minValue()

double MinimizerAdapter::minValue ( ) const

overridevirtualinherited

Returns minimum function value.

Reimplemented from IMinimizer.

Definition at line 85 of file MinimizerAdapter.cpp.

{
    return rootMinimizer()->MinValue();
}

References ROOT::Math::Minimizer::MinValue(), and MinimizerAdapter::rootMinimizer().

Referenced by MinimizerAdapter::minimize(), and MinimizerAdapter::statusMap().

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options() [1/2]

MinimizerOptions& MinimizerAdapter::options ( )

inlineinherited

Definition at line 66 of file MinimizerAdapter.h.

{ return m_options; }

References MinimizerAdapter::m_options.

Referenced by MinimizerAdapter::setOptions().

options() [2/2]

const MinimizerOptions& MinimizerAdapter::options ( ) const

inlineinherited

Definition at line 67 of file MinimizerAdapter.h.

{ return m_options; }

References MinimizerAdapter::m_options.

optionValue()

template<class T >

T MinimizerAdapter::optionValue ( const std::string &  optionName ) const

protectedinherited

Definition at line 128 of file MinimizerAdapter.h.

{
    return m_options.optionValue<T>(optionName);
}

References MinimizerAdapter::m_options, and OptionContainer::optionValue().

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parErrorsAtMinimum()

std::vector< double > MinimizerAdapter::parErrorsAtMinimum ( ) const

protectedinherited

Returns errors of the variables at minimum.

Definition at line 197 of file MinimizerAdapter.cpp.

{
    std::vector<double> result;
    result.resize(fitRank(), 0.0);
    if (rootMinimizer()->Errors() != nullptr) {
        std::copy(rootMinimizer()->Errors(), rootMinimizer()->Errors() + fitRank(), result.begin());
    }
    return result;
}

References MinimizerAdapter::fitRank(), and MinimizerAdapter::rootMinimizer().

Referenced by MinimizerAdapter::propagateResults().

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parValuesAtMinimum()

std::vector< double > MinimizerAdapter::parValuesAtMinimum ( ) const

protectedinherited

Returns value of the variables at minimum.

Definition at line 187 of file MinimizerAdapter.cpp.

{
    std::vector<double> result;
    result.resize(fitRank(), 0.0);
    std::copy(rootMinimizer()->X(), rootMinimizer()->X() + fitRank(), result.begin());
    return result;
}

References MinimizerAdapter::fitRank(), and MinimizerAdapter::rootMinimizer().

Referenced by MinimizerAdapter::propagateResults().

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printLevel()

int SimAnMinimizer::printLevel

(

)

const

Definition at line 51 of file SimAnMinimizer.cpp.

{
    return optionValue<int>("PrintLevel");
}

propagateOptions()

void SimAnMinimizer::propagateOptions ( )

overrideprotectedvirtual

Implements MinimizerAdapter.

Definition at line 133 of file SimAnMinimizer.cpp.

{
    ROOT::Math::GSLSimAnParams& pars = m_siman_minimizer->getSolver().Params();
    pars.n_tries = maxIterations();
    pars.iters_fixed_T = iterationsAtEachTemp();
    pars.step_size = stepSize();
    pars.k = boltzmannK();
    pars.t_initial = boltzmannInitialTemp();
    pars.mu_t = boltzmannMu();
    pars.t_min = boltzmannMinTemp();
}

References boltzmannInitialTemp(), boltzmannK(), boltzmannMinTemp(), boltzmannMu(), iterationsAtEachTemp(), ROOT::Math::GSLSimAnParams::iters_fixed_T, ROOT::Math::GSLSimAnParams::k, m_siman_minimizer, maxIterations(), ROOT::Math::GSLSimAnParams::mu_t, ROOT::Math::GSLSimAnParams::n_tries, ROOT::Math::GSLSimAnParams::step_size, stepSize(), ROOT::Math::GSLSimAnParams::t_initial, and ROOT::Math::GSLSimAnParams::t_min.

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propagateResults()

void MinimizerAdapter::propagateResults ( mumufit::Parameters &  parameters )

protectedinherited

Propagates results of minimization to fit parameter set.

Definition at line 122 of file MinimizerAdapter.cpp.

{
    parameters.setValues(parValuesAtMinimum());
    parameters.setErrors(parErrorsAtMinimum());
    // sets correlation matrix
    if (providesError()) {
        mumufit::Parameters::corr_matrix_t matrix;
        matrix.resize(fitRank());
 
        for (size_t i = 0; i < fitRank(); ++i) {
            matrix[i].resize(fitRank(), 0.0);
            for (size_t j = 0; j < fitRank(); ++j)
                matrix[i][j] = rootMinimizer()->Correlation(static_cast<unsigned int>(i),
                                                            static_cast<unsigned int>(j));
        }
        parameters.setCorrelationMatrix(matrix);
    }
}

References ROOT::Math::Minimizer::Correlation(), MinimizerAdapter::fitRank(), MinimizerAdapter::parErrorsAtMinimum(), MinimizerAdapter::parValuesAtMinimum(), MinimizerAdapter::providesError(), MinimizerAdapter::rootMinimizer(), mumufit::Parameters::setCorrelationMatrix(), mumufit::Parameters::setErrors(), and mumufit::Parameters::setValues().

Referenced by MinimizerAdapter::minimize().

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providesError()

bool MinimizerAdapter::providesError ( ) const

inherited

Returns true if minimizer provides error and error matrix.

Definition at line 95 of file MinimizerAdapter.cpp.

{
    return rootMinimizer()->ProvidesError();
}

References ROOT::Math::Minimizer::ProvidesError(), and MinimizerAdapter::rootMinimizer().

Referenced by MinimizerAdapter::propagateResults(), and MinimizerAdapter::statusMap().

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requiresResiduals()

virtual bool IMinimizer::requiresResiduals ( )

inlinevirtualinherited

Returns true if minimizer computations are residual-based, false otherwise.

Reimplemented in Minuit2Minimizer, and GSLLevenbergMarquardtMinimizer.

Definition at line 60 of file IMinimizer.h.

{ return false; }

rootMinimizer() [1/2]

MinimizerAdapter::root_minimizer_t * MinimizerAdapter::rootMinimizer ( )

protectedinherited

Definition at line 207 of file MinimizerAdapter.cpp.

{
    return const_cast<root_minimizer_t*>(
        static_cast<const MinimizerAdapter*>(this)->rootMinimizer());
}

References MinimizerAdapter::rootMinimizer().

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rootMinimizer() [2/2]

const MinimizerAdapter::root_minimizer_t * SimAnMinimizer::rootMinimizer ( ) const

overrideprotectedvirtual

Implements MinimizerAdapter.

Definition at line 145 of file SimAnMinimizer.cpp.

{
    return m_siman_minimizer.get();
}

References m_siman_minimizer.

Referenced by statusMap().

setBoltzmannInitialTemp()

void SimAnMinimizer::setBoltzmannInitialTemp

(

double

value

)

Sets Boltzmann distribution parameter: initial temperature.

Definition at line 96 of file SimAnMinimizer.cpp.

{
    setOptionValue("t_init", value);
}

References MinimizerAdapter::setOptionValue().

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setBoltzmannK()

void SimAnMinimizer::setBoltzmannK

(

double

value

)

Sets Boltzmann distribution parameter: k.

Definition at line 86 of file SimAnMinimizer.cpp.

{
    setOptionValue("k", value);
}

References MinimizerAdapter::setOptionValue().

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setBoltzmannMinTemp()

void SimAnMinimizer::setBoltzmannMinTemp

(

double

value

)

Sets Boltzmann distribution parameter: minimal temperature.

Definition at line 116 of file SimAnMinimizer.cpp.

{
    setOptionValue("t_min", value);
}

References MinimizerAdapter::setOptionValue().

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setBoltzmannMu()

void SimAnMinimizer::setBoltzmannMu

(

double

value

)

Sets Boltzmann distribution parameter: mu.

Definition at line 106 of file SimAnMinimizer.cpp.

{
    setOptionValue("mu", value);
}

References MinimizerAdapter::setOptionValue().

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setIterationsAtEachTemp()

void SimAnMinimizer::setIterationsAtEachTemp

(

int

value

)

Sets number of iterations at each temperature.

Definition at line 66 of file SimAnMinimizer.cpp.

{
    setOptionValue("IterationsAtTemp", value);
}

References MinimizerAdapter::setOptionValue().

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setMaxIterations()

void SimAnMinimizer::setMaxIterations

(

int

value

)

Sets maximum number of iterations to try at each step.

Definition at line 56 of file SimAnMinimizer.cpp.

{
    setOptionValue("MaxIterations", value);
}

References MinimizerAdapter::setOptionValue().

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setOptions()

void MinimizerAdapter::setOptions ( const std::string &  optionString )

overridevirtualinherited

Sets option string to the minimizer.

Reimplemented from IMinimizer.

Definition at line 115 of file MinimizerAdapter.cpp.

{
    options().setOptionString(optionString);
}

References MinimizerAdapter::options(), and MinimizerOptions::setOptionString().

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setOptionValue()

template<class T >

void MinimizerAdapter::setOptionValue ( const std::string &  optionName, T  value  )

protectedinherited

Definition at line 122 of file MinimizerAdapter.h.

{
    m_options.setOptionValue(optionName, value);
}

References MinimizerAdapter::m_options, and OptionContainer::setOptionValue().

Referenced by setBoltzmannInitialTemp(), setBoltzmannK(), setBoltzmannMinTemp(), setBoltzmannMu(), Minuit2Minimizer::setErrorDefinition(), setIterationsAtEachTemp(), Minuit2Minimizer::setMaxFunctionCalls(), GeneticMinimizer::setMaxIterations(), GSLLevenbergMarquardtMinimizer::setMaxIterations(), GSLMultiMinimizer::setMaxIterations(), setMaxIterations(), GeneticMinimizer::setPopulationSize(), Minuit2Minimizer::setPrecision(), GeneticMinimizer::setPrintLevel(), GSLLevenbergMarquardtMinimizer::setPrintLevel(), GSLMultiMinimizer::setPrintLevel(), Minuit2Minimizer::setPrintLevel(), setPrintLevel(), GeneticMinimizer::setRandomSeed(), setStepSize(), Minuit2Minimizer::setStrategy(), GeneticMinimizer::setTolerance(), GSLLevenbergMarquardtMinimizer::setTolerance(), and Minuit2Minimizer::setTolerance().

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setParameter()

void MinimizerAdapter::setParameter ( unsigned int  index, const mumufit::Parameter &  par  )

protectedvirtualinherited

Reimplemented in GSLLevenbergMarquardtMinimizer, and GeneticMinimizer.

Definition at line 141 of file MinimizerAdapter.cpp.

{
    bool success;
    if (par.limits().isFixed())
        success = rootMinimizer()->SetFixedVariable(index, par.name().c_str(), par.value());
 
    else if (par.limits().isLimited()) {
        success = rootMinimizer()->SetLimitedVariable(index, par.name().c_str(), par.value(),
                                                      par.step(), par.limits().lowerLimit(),
                                                      par.limits().upperLimit());
    }
 
    else if (par.limits().isLowerLimited()) {
        success = rootMinimizer()->SetLowerLimitedVariable(index, par.name().c_str(), par.value(),
                                                           par.step(), par.limits().lowerLimit());
    }
 
    else if (par.limits().isUpperLimited()) {
        success = rootMinimizer()->SetUpperLimitedVariable(index, par.name().c_str(), par.value(),
                                                           par.step(), par.limits().upperLimit());
    }
 
    else if (par.limits().isLimitless())
        success = rootMinimizer()->SetVariable(index, par.name().c_str(), par.value(), par.step());
 
 
    else
        throw std::runtime_error("BasicMinimizer::setParameter() -> Error! Unexpected parameter.");
 
    if (!success) {
        std::ostringstream ostr;
        ostr << "BasicMinimizer::setParameter() -> Error! Can't set minimizer's fit parameter";
        ostr << "Index:" << index << " name '" << par.name() << "'";
        throw std::runtime_error(ostr.str());
    }
}

References AttLimits::isFixed(), AttLimits::isLimited(), AttLimits::isLimitless(), AttLimits::isLowerLimited(), AttLimits::isUpperLimited(), mumufit::Parameter::limits(), AttLimits::lowerLimit(), mumufit::Parameter::name(), MinimizerAdapter::rootMinimizer(), ROOT::Math::Minimizer::SetFixedVariable(), ROOT::Math::Minimizer::SetLimitedVariable(), ROOT::Math::Minimizer::SetLowerLimitedVariable(), ROOT::Math::Minimizer::SetUpperLimitedVariable(), ROOT::Math::Minimizer::SetVariable(), mumufit::Parameter::step(), AttLimits::upperLimit(), and mumufit::Parameter::value().

Referenced by GeneticMinimizer::setParameter(), GSLLevenbergMarquardtMinimizer::setParameter(), and MinimizerAdapter::setParameters().

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setParameters()

void MinimizerAdapter::setParameters ( const mumufit::Parameters &  parameters )

inherited

Definition at line 78 of file MinimizerAdapter.cpp.

{
    unsigned int index(0);
    for (const auto& par : parameters)
        setParameter(index++, par);
}

References MinimizerAdapter::setParameter().

Referenced by MinimizerAdapter::minimize().

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setPrintLevel()

void SimAnMinimizer::setPrintLevel

(

int

value

)

Sets minimizer internal print level. Default value is 0 (silent).

Definition at line 46 of file SimAnMinimizer.cpp.

{
    setOptionValue("PrintLevel", value);
}

References MinimizerAdapter::setOptionValue().

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setStepSize()

void SimAnMinimizer::setStepSize

(

double

value

)

Sets max step size used in random walk.

Definition at line 76 of file SimAnMinimizer.cpp.

{
    setOptionValue("StepSize", value);
}

References MinimizerAdapter::setOptionValue().

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statusMap()

std::map< std::string, std::string > SimAnMinimizer::statusMap ( ) const

overridevirtual

Returns map of string representing different minimizer statuses.

Reimplemented from MinimizerAdapter.

Definition at line 126 of file SimAnMinimizer.cpp.

{
    auto result = MinimizerAdapter::statusMap();
    result["functionCalls"] = std::to_string(rootMinimizer()->NCalls());
    return result;
}

References rootMinimizer(), and MinimizerAdapter::statusMap().

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statusToString()

std::string MinimizerAdapter::statusToString ( ) const

virtualinherited

Returns string representation of current minimizer status.

Reimplemented in Minuit2Minimizer, GSLMultiMinimizer, GSLLevenbergMarquardtMinimizer, and GeneticMinimizer.

Definition at line 90 of file MinimizerAdapter.cpp.

{
    return m_status ? "Minimum found" : "Error in solving";
}

References MinimizerAdapter::m_status.

Referenced by MinimizerAdapter::statusMap().

stepSize()

double SimAnMinimizer::stepSize

(

)

const

Definition at line 81 of file SimAnMinimizer.cpp.

{
    return optionValue<double>("StepSize");
}

Referenced by propagateOptions().

Member Data Documentation

m_adapter

std::unique_ptr<mumufit::ObjectiveFunctionAdapter> MinimizerAdapter::m_adapter

privateinherited

Definition at line 110 of file MinimizerAdapter.h.

Referenced by MinimizerAdapter::minimize(), MinimizerAdapter::minimize_residual(), and MinimizerAdapter::minimize_scalar().

m_minimizerInfo

MinimizerInfo MinimizerAdapter::m_minimizerInfo

privateinherited

Definition at line 109 of file MinimizerAdapter.h.

Referenced by MinimizerAdapter::algorithmName(), and MinimizerAdapter::minimizerName().

m_options

MinimizerOptions MinimizerAdapter::m_options

privateinherited

Definition at line 108 of file MinimizerAdapter.h.

Referenced by MinimizerAdapter::addOption(), MinimizerAdapter::options(), MinimizerAdapter::optionValue(), and MinimizerAdapter::setOptionValue().

m_siman_minimizer

std::unique_ptr<ROOT::Math::GSLSimAnMinimizer> SimAnMinimizer::m_siman_minimizer

private

Definition at line 77 of file SimAnMinimizer.h.

Referenced by propagateOptions(), and rootMinimizer().

m_status

bool MinimizerAdapter::m_status

privateinherited

Definition at line 111 of file MinimizerAdapter.h.

Referenced by MinimizerAdapter::minimize(), and MinimizerAdapter::statusToString().

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The documentation for this class was generated from the following files:

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/Fit/Adapter/SimAnMinimizer.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/Fit/Adapter/SimAnMinimizer.cpp