InterferenceFunctionUtils.h

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// ************************************************************************** //
//
//  BornAgain: simulate and fit scattering at grazing incidence
//
//! @file      Sample/Interference/InterferenceFunctionUtils.h
//! @brief     Defines helper functions for InterferenceFunctions and Strategies.
//!
//! @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_CORE_MULTILAYER_INTERFERENCEFUNCTIONUTILS_H
#define BORNAGAIN_CORE_MULTILAYER_INTERFERENCEFUNCTIONUTILS_H
 
#include "Base/Types/Complex.h"
#include <Eigen/StdVector>
#include <vector>
 
class FormFactorCoherentSum;
class SimulationElement;
 
namespace InterferenceFunctionUtils
{
using matrixFFVector_t = std::vector<Eigen::Matrix2cd, Eigen::aligned_allocator<Eigen::Matrix2cd>>;
 
std::vector<complex_t>
PrecomputeScalarFormFactors(const SimulationElement& sim_element,
                            const std::vector<FormFactorCoherentSum>& ff_wrappers);
matrixFFVector_t
PrecomputePolarizedFormFactors(const SimulationElement& sim_element,
                               const std::vector<FormFactorCoherentSum>& ff_wrappers);
 
} // namespace InterferenceFunctionUtils
 
#endif // BORNAGAIN_CORE_MULTILAYER_INTERFERENCEFUNCTIONUTILS_H