From db2b4e93cddfbc8a03172c93a912a0563200cca4 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Sat, 23 Dec 2023 20:55:21 -0700
Subject: [PATCH] Use explicit casts.

---
 source/grid/tria_description.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/source/grid/tria_description.cc b/source/grid/tria_description.cc
index 18063ac7f5..e5af3fad66 100644
--- a/source/grid/tria_description.cc
+++ b/source/grid/tria_description.cc
@@ -1069,7 +1069,8 @@ namespace TriangulationDescription
       const auto subdomain_id_function =
         [&partition](const auto &cell) -> unsigned int {
         if ((cell->is_active() && (cell->is_artificial() == false)))
-          return partition[cell->global_active_cell_index()];
+          return static_cast<unsigned int>(
+            partition[cell->global_active_cell_index()]);
         else
           return numbers::artificial_subdomain_id;
       };
@@ -1078,7 +1079,8 @@ namespace TriangulationDescription
         [&construct_multigrid,
          &partitions_mg](const auto &cell) -> unsigned int {
         if (construct_multigrid && (cell->is_artificial_on_level() == false))
-          return partitions_mg[cell->level()][cell->global_level_cell_index()];
+          return static_cast<unsigned int>(
+            partitions_mg[cell->level()][cell->global_level_cell_index()]);
         else
           return numbers::artificial_subdomain_id;
       };
-- 
2.39.5