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MeanField/libmeanfield/interface/operators/prepared_hdiv_mass.cppm

40 lines
1.3 KiB
C++

module;
#include <cstdint>
#include <memory>
#include <mfem.hpp>
export module mean_field:operators.prepared_hdiv_mass;
export import :fem;
export import :mapping.domain_mapper;
export namespace mean_field::operators {
class PreparedMappedHDivMassOperator final : public mfem::Operator {
public:
PreparedMappedHDivMassOperator(
const fem::FEM &f,
const mapping::DomainMapperStateless &domain_mapper
);
void Prepare(const mfem::Vector &displacement_true);
void Mult(
const mfem::Vector &gravity_gradient_true,
mfem::Vector &action
) const override;
[[nodiscard]] bool IsPrepared() const noexcept;
[[nodiscard]] std::uint64_t GetPreparationCount() const noexcept;
private:
const fem::FEM &m_fem;
const mapping::DomainMapperStateless &m_domain_mapper;
mfem::Array<int> m_stellar_marker;
mfem::Array<int> m_vacuum_marker;
std::unique_ptr<mfem::MatrixCoefficient> m_stellar_mass_coefficient;
std::unique_ptr<mfem::MatrixCoefficient> m_vacuum_mass_coefficient;
std::unique_ptr<mfem::ParBilinearForm> m_mass_form;
std::uint64_t m_preparation_count{0};
bool m_is_prepared{false};
};
} // namespace mean_field::operators