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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Fit/Suite/GSLMultiMinimizer.cpp
//! @brief Implements class GSLMultiMinimizer.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "Fit/Suite/GSLMultiMinimizer.h"
#include "Fit/Tool/MinimizerUtil.h"
#include <string>
#ifdef _WIN32
#pragma warning(push)
#pragma warning(disable : 4267)
#else
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
#include <Math/GSLMinimizer.h>
#ifdef _WIN32
#pragma warning(pop)
#else
#pragma GCC diagnostic pop
#endif
GSLMultiMinimizer::GSLMultiMinimizer(const std::string& algorithmName)
: MinimizerAdapter(MinimizerInfo::buildGSLMultiMinInfo(algorithmName))
, m_gsl_minimizer(new ROOT::Math::GSLMinimizer(algorithmName.c_str()))
{
addOption("PrintLevel", 0, "Minimizer internal print level");
addOption("MaxIterations", 0, "Maximum number of iterations");
}
GSLMultiMinimizer::~GSLMultiMinimizer() = default;
void GSLMultiMinimizer::setPrintLevel(int value)
{
setOptionValue("PrintLevel", value);
}
int GSLMultiMinimizer::printLevel() const
{
return optionValue<int>("PrintLevel");
}
void GSLMultiMinimizer::setMaxIterations(int value)
{
setOptionValue("MaxIterations", value);
}
int GSLMultiMinimizer::maxIterations() const
{
return optionValue<int>("MaxIterations");
}
std::string GSLMultiMinimizer::statusToString() const
{
return mumufit::utils::gslErrorDescription(rootMinimizer()->Status());
}
void GSLMultiMinimizer::propagateOptions()
{
m_gsl_minimizer->SetPrintLevel(printLevel());
m_gsl_minimizer->SetMaxIterations(static_cast<unsigned int>(maxIterations()));
}
const MinimizerAdapter::root_minimizer_t* GSLMultiMinimizer::rootMinimizer() const
{
return m_gsl_minimizer.get();
}
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