From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Mon, 13 Nov 2023 23:51:06 +0000 (-0700)
Subject: Mark an expression as 'constexpr'.
X-Git-Tag: relicensing~299^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c61ed250aed6a1760b5a020365b4dbbb86eb2b7;p=dealii.git

Mark an expression as 'constexpr'.
---

diff --git a/include/deal.II/base/geometry_info.h b/include/deal.II/base/geometry_info.h
index 1927e7cce2..11205f1a9a 100644
--- a/include/deal.II/base/geometry_info.h
+++ b/include/deal.II/base/geometry_info.h
@@ -4425,9 +4425,9 @@ GeometryInfo<2>::child_cell_on_face(const RefinementCase<2> &ref_case,
   // this cell adjacent to the subface of a possibly
   // refined neighbor. this simplifies setting neighbor
   // information in execute_refinement.
-  const unsigned int
-    subcells[2][RefinementCase<2>::isotropic_refinement][faces_per_cell]
-            [max_children_per_face] = {
+  constexpr unsigned int
+    subcells[2][RefinementPossibilities<2>::isotropic_refinement]
+            [faces_per_cell][max_children_per_face] = {
               {
                 // Normal orientation (face_flip = false)
                 {{0, 0}, {1, 1}, {0, 1}, {0, 1}}, // cut_x