From: Bruno Blais <blais.bruno@gmail.com>
Date: Mon, 21 Nov 2022 16:12:19 +0000 (-0500)
Subject: Apply suggestions from code review
X-Git-Tag: v9.5.0-rc1~830^2~4
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c58efe787edeaec34dfe01a4e13d6a6eebde24db;p=dealii.git

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 9e5750c56a..7e0807befb 100644
--- 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 320dda647f..0123fb7bd9 100644
--- 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 be4bc3302c..7f9721daae 100644
--- 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;