set_ghost_cells Subroutine

private subroutine set_ghost_cells(mg, id, nc, iv, dry_run)

The routine that actually fills the ghost cells

Arguments

Type IntentOptional Attributes Name
type(mg_t), intent(inout) :: mg
integer, intent(in) :: id
integer, intent(in) :: nc
integer, intent(in) :: iv
logical, intent(in) :: dry_run

Calls

proc~~set_ghost_cells~~CallsGraph proc~set_ghost_cells set_ghost_cells proc~bc_to_gc bc_to_gc proc~set_ghost_cells->proc~bc_to_gc proc~box_get_gc box_get_gc proc~set_ghost_cells->proc~box_get_gc proc~box_set_gc box_set_gc proc~set_ghost_cells->proc~box_set_gc proc~copy_from_nb copy_from_nb proc~set_ghost_cells->proc~copy_from_nb proc~fill_buffered_nb fill_buffered_nb proc~set_ghost_cells->proc~fill_buffered_nb proc~fill_refinement_bnd fill_refinement_bnd proc~set_ghost_cells->proc~fill_refinement_bnd proc~copy_from_nb->proc~box_set_gc proc~box_gc_for_neighbor box_gc_for_neighbor proc~copy_from_nb->proc~box_gc_for_neighbor proc~fill_buffered_nb->proc~box_set_gc proc~box_gc_for_fine_neighbor box_gc_for_fine_neighbor proc~fill_refinement_bnd->proc~box_gc_for_fine_neighbor proc~mg_get_child_offset mg_get_child_offset proc~fill_refinement_bnd->proc~mg_get_child_offset proc~sides_rb sides_rb proc~fill_refinement_bnd->proc~sides_rb

Called by

proc~~set_ghost_cells~~CalledByGraph proc~set_ghost_cells set_ghost_cells proc~mg_fill_ghost_cells_lvl mg_fill_ghost_cells_lvl proc~mg_fill_ghost_cells_lvl->proc~set_ghost_cells proc~mg_ghost_cell_buffer_size mg_ghost_cell_buffer_size proc~mg_ghost_cell_buffer_size->proc~set_ghost_cells proc~mg_allocate_storage mg_allocate_storage proc~mg_allocate_storage->proc~mg_ghost_cell_buffer_size proc~mg_fas_fmg mg_fas_fmg proc~mg_fas_fmg->proc~mg_fill_ghost_cells_lvl proc~mg_fas_vcycle mg_fas_vcycle proc~mg_fas_fmg->proc~mg_fas_vcycle proc~update_coarse update_coarse proc~mg_fas_fmg->proc~update_coarse proc~mg_fas_vcycle->proc~mg_fill_ghost_cells_lvl proc~smooth_boxes smooth_boxes proc~mg_fas_vcycle->proc~smooth_boxes proc~mg_fas_vcycle->proc~update_coarse proc~mg_fill_ghost_cells mg_fill_ghost_cells proc~mg_fill_ghost_cells->proc~mg_fill_ghost_cells_lvl proc~smooth_boxes->proc~mg_fill_ghost_cells_lvl proc~update_coarse->proc~mg_fill_ghost_cells_lvl proc~diffusion_solve diffusion_solve proc~diffusion_solve->proc~mg_fas_fmg proc~diffusion_solve->proc~mg_fas_vcycle proc~diffusion_solve_acoeff diffusion_solve_acoeff proc~diffusion_solve_acoeff->proc~mg_fas_fmg proc~diffusion_solve_acoeff->proc~mg_fas_vcycle proc~diffusion_solve_vcoeff diffusion_solve_vcoeff proc~diffusion_solve_vcoeff->proc~mg_fas_fmg proc~diffusion_solve_vcoeff->proc~mg_fas_vcycle

Source Code

  subroutine set_ghost_cells(mg, id, nc, iv, dry_run)
    type(mg_t), intent(inout) :: mg
    integer, intent(in)       :: id
    integer, intent(in)       :: nc
    integer, intent(in)       :: iv
    logical, intent(in)       :: dry_run
    real(dp)                  :: bc(nc)
    integer                   :: nb, nb_id, nb_rank, bc_type

    do nb = 1, mg_num_neighbors
       nb_id = mg%boxes(id)%neighbors(nb)

       if (nb_id > mg_no_box) then
          ! There is a neighbor
          nb_rank = mg%boxes(nb_id)%rank

          if (nb_rank /= mg%my_rank) then
             call fill_buffered_nb(mg, mg%boxes(id), nb_rank, nb, nc, iv,&
                 dry_run)
          else if (.not. dry_run) then
             call copy_from_nb(mg%boxes(id), mg%boxes(nb_id), nb, nc, iv)
          end if
       else if (nb_id == mg_no_box) then
          ! Refinement boundary
          call fill_refinement_bnd(mg, id, nb, nc, iv, dry_run)
       else if (.not. dry_run) then
          ! Physical boundary
          if (mg%phi_bc_data_stored .and. iv == mg_iphi) then
             ! Copy the boundary conditions stored in the ghost cells of the
             ! right-hand side
             call box_get_gc(mg%boxes(id), nb, nc, mg_irhs, bc)
             bc_type = nb_id
          else
             if (associated(mg%bc(nb, iv)%boundary_cond)) then
                call mg%bc(nb, iv)%boundary_cond(mg%boxes(id), nc, iv, nb,&
                    bc_type, bc)
             else
                bc_type = mg%bc(nb, iv)%bc_type
                bc = mg%bc(nb, iv)%bc_value
             end if
          end if

          call box_set_gc(mg%boxes(id), nb, nc, iv, bc)
          call bc_to_gc(mg, id, nc, iv, nb, bc_type)
       end if
    end do
  end subroutine set_ghost_cells