void yac_read_mpiom_grid_information(const char *filename, int *num_vertices, int *num_cells, int **num_vertices_per_cell, int **cell_to_vertex, double **x_vertices, double **y_vertices, double **x_cells, double **y_cells, int **cellmask)
void yac_read_part_mpiom_grid_information(const char *filename, int *num_vertices, int *num_cells, int **num_vertices_per_cell, int **cell_to_vertex, double **x_vertices, double **y_vertices, double **x_cells, double **y_cells, int **global_cell_id, int **cell_mask, int **cell_core_mask, int **global_corner_id, int **corner_core_mask, int rank, int size)