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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Resample/Option/SimulationOptions.h
//! @brief Defines class SimulationOptions.
//!
//! @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)
//
// ************************************************************************************************
#ifndef BORNAGAIN_RESAMPLE_OPTION_SIMULATIONOPTIONS_H
#define BORNAGAIN_RESAMPLE_OPTION_SIMULATIONOPTIONS_H
#include <cstddef>
using std::size_t;
//! Options to compute mesocrystal formfactors.
struct MesoOptions {
bool use_reciprocal_sum{false}; //!< If true, use approximative but faster algorithm
double radius_factor{2.1}; //!< Cutoff for fast (reciprocal-sum) algorithm
};
//! Collect the different options for simulation.
//! @ref SimulationOptions
class SimulationOptions {
public:
SimulationOptions();
//! Enables/disables MonteCarlo integration
//! @param flag If true, MonteCarlo integration will be used, otherwise analytical calculations
//! @param mc_points Number of points for MonteCarlo integrator
void setMonteCarloIntegration(bool flag = true, size_t mc_points = 50);
//! Sets number of threads to use during the simulation (0 - take default value from hardware)
void setNumberOfThreads(int nthreads);
//! Sets number of batches to split
void setNumberOfBatches(int nbatches); // TODO: undocumented, probably useless
void setIncludeSpecular(bool include_specular) { m_include_specular = include_specular; }
void setUseAvgMaterials(bool use_avg_materials) { m_use_avg_materials = use_avg_materials; }
void setMesoOptions(bool use_rec_sum, double rad_factor);
#ifndef SWIG
bool isIntegrate() const;
size_t getMcPoints() const { return m_mc_points; }
unsigned getNumberOfThreads() const;
unsigned getNumberOfBatches() const;
unsigned getCurrentBatch() const;
unsigned getHardwareConcurrency() const;
bool includeSpecular() const { return m_include_specular; }
bool useAvgMaterials() const { return m_use_avg_materials; }
MesoOptions mesoOptions() const { return m_meso_options; }
private:
bool m_mc_integration;
bool m_include_specular;
bool m_use_avg_materials;
MesoOptions m_meso_options;
size_t m_mc_points;
unsigned m_n_threads{0};
unsigned m_n_batches{1};
unsigned m_current_batch{0};
#endif // SWIG
};
#endif // BORNAGAIN_RESAMPLE_OPTION_SIMULATIONOPTIONS_H
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