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#ifndef WARPX_PSATD_ALGORITHM_H_
#define WARPX_PSATD_ALGORITHM_H_
#include <SpectralKSpace.H>
#include <SpectralFieldData.H>
/* \brief Class that updates the field in spectral space
* and stores the coefficients of the corresponding update equation.
*/
class PsatdAlgorithm
{
using SpectralCoefficients = amrex::FabArray< amrex::BaseFab <amrex::Real> >;
public:
PsatdAlgorithm(const SpectralKSpace& spectral_kspace,
const amrex::DistributionMapping& dm,
const int norder_x, const int norder_y,
const int norder_z, const bool nodal, const amrex::Real dt);
PsatdAlgorithm() = default; // Default constructor
PsatdAlgorithm& operator=(PsatdAlgorithm&& algorithm) = default;
void pushSpectralFields(SpectralFieldData& f) const;
private:
// Modified finite-order vectors
KVectorComponent modified_kx_vec, modified_kz_vec;
#if (AMREX_SPACEDIM==3)
KVectorComponent modified_ky_vec;
#endif
SpectralCoefficients C_coef, S_ck_coef, X1_coef, X2_coef, X3_coef;
};
#endif // WARPX_PSATD_ALGORITHM_H_
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