read_diffusion_coeffs.hpp

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#ifndef READ_DIFFUSION_COEFFS_HPP
#define READ_DIFFUSION_COEFFS_HPP

#include <string>
#include <stdexcept>
#include <vector>
//#include "adios2.hpp"
#include "space_settings.hpp"  // Assumed to define HostType and Kokkos::View, etc.
#include "xgc_io.hpp"
#include "domain_decomposition.hpp"

struct DiffusionCoeffData {
    Kokkos::View<double*,CLayout,HostType> psi;                   
    Kokkos::View<double***,CLayout,HostType> diffusion_coeff;     
};

DiffusionCoeffData ReadDiffCoeffData(const DomainDecomposition<DeviceType>& pol_decomp, const int n_species, XGC_IO_Stream& stream);

#endif