Files
MeanField/libmeanfield/interface/operators/prepared_hdiv_mass.cppm
Emily Boudreaux 36adfa1174 feat(FieldDofMap): Completed FieldDofMap migration
also removed legacy BarotropicPolytrope implementation
2026-08-29 08:56:36 -04:00

55 lines
1.9 KiB
C++

module;
#include <cstdint>
#include <memory>
#include <mfem.hpp>
export module mean_field:operators.prepared_hdiv_mass;
export import :fem;
export import :field.mfem;
export import :mapping.domain_mapper;
export namespace mean_field::operators {
class PreparedMappedHDivMassOperator final : public mfem::Operator {
public:
PreparedMappedHDivMassOperator(
const fem::FEM &f,
const mapping::DomainMapper &domain_mapper
);
void Prepare(const mfem::Vector &displacement);
void Mult(
const mfem::Vector &gravity_gradient,
mfem::Vector &action
) const override;
void AssembleDiagonal(mfem::Vector &diagonal) const override;
void AssembleTrueDiagonal(mfem::Vector &diagonal) const;
[[nodiscard]] bool IsPrepared() const noexcept;
[[nodiscard]] std::uint64_t GetPreparationCount() const noexcept;
[[nodiscard]] const field::FieldDofMap &GetFluxMap() const noexcept;
[[nodiscard]] const field::FieldDofMap &GetDisplacementMap() const noexcept;
private:
const fem::FEM &m_fem;
const mapping::DomainMapper &m_domain_mapper;
field::FieldDofMap m_flux_map;
field::FieldDofMap m_displacement_map;
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_stellar_mass_form;
std::unique_ptr<mfem::ParBilinearForm> m_vacuum_mass_form;
mutable mfem::Vector m_flux_true;
mutable mfem::Vector m_action_true;
mutable mfem::Vector m_domain_action_true;
mfem::Vector m_displacement_true;
std::uint64_t m_preparation_count{0};
bool m_is_prepared{false};
};
} // namespace mean_field::operators