initialization.hpp (200bbde)

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#ifndef initialization_hpp
#define initialization_hpp


#include <cmath>
#include <functional>
#include <memory>
#include <random>
#include <vector>


#include <schwarz/config.hpp>


#if SCHW_HAVE_DEALII
#include <deal.II/lac/sparse_matrix.h>
#endif


#include <partition_tools.hpp>
#include <settings.hpp>


namespace schwz {


template <typename ValueType = gko::default_precision,
          typename IndexType = gko::int32>
class Initialize : public Settings, public Metadata<ValueType, IndexType> {
public:
    Initialize(Settings &settings, Metadata<ValueType, IndexType> &metadata);

    std::vector<unsigned int> partition_indices;

    std::vector<unsigned int> cell_weights;

    void generate_rhs(std::vector<ValueType> &rhs);

#if SCHW_HAVE_DEALII
    void setup_global_matrix(
        const std::string &filename, const gko::size_type &oned_laplacian_size,
        const dealii::SparseMatrix<ValueType> &matrix,
        std::shared_ptr<gko::matrix::Csr<ValueType, IndexType>> &global_matrix);
#else
    void setup_global_matrix(
        const std::string &filename, const gko::size_type &oned_laplacian_size,
        std::shared_ptr<gko::matrix::Csr<ValueType, IndexType>> &global_matrix);
#endif

    void partition(const Settings &settings,
                   const Metadata<ValueType, IndexType> &metadata,
                   const std::shared_ptr<gko::matrix::Csr<ValueType, IndexType>>
                       &global_matrix,
                   std::vector<unsigned int> &partition_indices);

    void setup_vectors(
        const Settings &settings,
        const Metadata<ValueType, IndexType> &metadata,
        std::vector<ValueType> &rhs,
        std::shared_ptr<gko::matrix::Dense<ValueType>> &local_rhs,
        std::shared_ptr<gko::matrix::Dense<ValueType>> &global_rhs,
        std::shared_ptr<gko::matrix::Dense<ValueType>> &local_solution);

    virtual void setup_local_matrices(
        Settings &settings, Metadata<ValueType, IndexType> &metadata,
        std::vector<unsigned int> &partition_indices,
        std::shared_ptr<gko::matrix::Csr<ValueType, IndexType>> &global_matrix,
        std::shared_ptr<gko::matrix::Csr<ValueType, IndexType>> &local_matrix,
        std::shared_ptr<gko::matrix::Csr<ValueType, IndexType>>
            &interface_matrix) = 0;

private:
    Settings &settings;

    Metadata<ValueType, IndexType> &metadata;
};

}  // namespace schwz

#endif  // initialization.hpp