utils.hpp (1cd0e3b)

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#ifndef utils_hpp
#define utils_hpp


#include <fstream>
#include <iostream>
#include <memory>
#include <string>


#include <mpi.h>
#include <ginkgo/ginkgo.hpp>


#include <settings.hpp>


namespace schwz {


template <typename ValueType = gko::default_precision,
          typename IndexType = gko::int32>
struct Utils {
    Utils() = default;

    static int get_local_rank(MPI_Comm mpi_communicator);

    static int get_local_num_procs(MPI_Comm mpi_communicator);

    static bool check_subd_locality(MPI_Comm mpi_communicator,
                                    int neighbor_rank, int my_rank);

    static void print_matrix(
        const gko::matrix::Csr<ValueType, IndexType> *matrix, int rank,
        std::string name);

    static void print_vector(const gko::matrix::Dense<ValueType> *vector,
                             int rank, std::string name);

    static int find_duplicates(IndexType val, std::size_t index,
                               const IndexType *data, std::size_t length);

    static bool assert_correct_permutation(
        const gko::matrix::Permutation<IndexType> *input_perm);

    static bool assert_correct_cuda_devices(int num_devices, int my_rank);
};


}  // namespace schwz


#endif  // utils.hpp