Apply suggestions from code review

Co-authored-by: Rene Gassmoeller <rene.gassmoeller@mailbox.org>

diff --git a/include/deal.II/grid/grid_tools_cache_update_flags.h b/include/deal.II/grid/grid_tools_cache_update_flags.h
index 9e5750c56a18a6fdba158adb90622eeb530ca96b..7e0807befba1b3a90ea6c2cde4ba6b36a0c1acec 100644 (file)
--- a/include/deal.II/grid/grid_tools_cache_update_flags.h
+++ b/include/deal.II/grid/grid_tools_cache_update_flags.h
@@ -85,8 +85,7 @@ namespace GridTools
     update_vertex_to_neighbor_subdomain = 0x100,
 
     /**
-     * Update the coinciding vertex groups as well as the
-     * vertex_to_coinciding_vertex_group
+     * Update the information about which subdomains are connected to each vertex.
      */
     update_vertex_with_ghost_neighbors = 0x200,
 

diff --git a/source/particles/particle_handler.cc b/source/particles/particle_handler.cc
index 320dda647fc74bbcb6f094367801ea2ac505669b..0123fb7bd9b43869f14e63fa7c6e1ea69bae2f4b 100644 (file)
--- a/source/particles/particle_handler.cc
+++ b/source/particles/particle_handler.cc
@@ -1567,14 +1567,13 @@ namespace Particles
             std::set<unsigned int> cell_to_neighbor_subdomain;
             for (const unsigned int v : cell->vertex_indices())
               {
-                if (vertices_with_ghost_neighbors.find(cell->vertex_index(v)) !=
+                const auto vertex_ghost_neighbors = vertices_with_ghost_neighbors.find(cell->vertex_index(v));
+                if (vertex_ghost_neighbors !=
                     vertices_with_ghost_neighbors.end())
                   {
                     cell_to_neighbor_subdomain.insert(
-                      vertices_with_ghost_neighbors.at(cell->vertex_index(v))
-                        .begin(),
-                      vertices_with_ghost_neighbors.at(cell->vertex_index(v))
-                        .end());
+                      vertex_ghost_neighbors->second.begin(),
+                      vertex_ghost_neighbors->second.end());
                   }
               }
 

diff --git a/tests/particles/exchange_ghosts_periodic_01.cc b/tests/particles/exchange_ghosts_periodic_01.cc
index be4bc3302cc0d8ae094e0fdc71a4fe992c579d0f..7f9721daae77ed01ace9c92910774170f0e1689b 100644 (file)
--- a/tests/particles/exchange_ghosts_periodic_01.cc
+++ b/tests/particles/exchange_ghosts_periodic_01.cc
@@ -68,7 +68,7 @@ test()
     Point<dim>      reference_position;
 
     if (Utilities::MPI::this_mpi_process(tr.get_communicator()) == 0)
-      position(0) = 0.001;
+      position[0] = 0.001;
     else
       position[0] = 0.999;