TransitionMagneticTanh.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      Resample/Specular/TransitionMagneticTanh.h
//! @brief     Defines namespace TransitionMagneticTanh.
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2020
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#ifdef SWIG
#error no need to expose this header to Swig
#endif
 
#ifndef USER_API
#ifndef BORNAGAIN_RESAMPLE_SPECULAR_TRANSITIONMAGNETICTANH_H
#define BORNAGAIN_RESAMPLE_SPECULAR_TRANSITIONMAGNETICTANH_H
 
#include "Base/Spin/SpinMatrix.h"
#include <utility>
 
class MatrixFlux;
 
//! Implements the magnetic Fresnel computation with the analytical Tanh roughness
//!
//! Implements the transfer matrix formalism for the calculation of wave
//! amplitudes of the coherent wave solution in a sample with magnetization.
//! For a description, see internal
//! document "Polarized Implementation of the Transfer Matrix Method"
 
namespace Compute::TransitionMagneticTanh {
 
std::pair<SpinMatrix, SpinMatrix> backwardsSubmatrices(const MatrixFlux& coeff_i,
                                                       const MatrixFlux& coeff_i1, double sigma);
}
 
#endif // BORNAGAIN_RESAMPLE_SPECULAR_TRANSITIONMAGNETICTANH_H
#endif // USER_API