From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Mon, 29 Jan 2024 18:49:42 +0000 (-0700)
Subject: Silence a warning.
X-Git-Tag: relicensing~100^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c76d213c600e2df393f97ed3c093d95fc293f404;p=dealii.git

Silence a warning.
---

diff --git a/include/deal.II/cgal/utilities.h b/include/deal.II/cgal/utilities.h
index 337eb3a09d..08524f7578 100644
--- a/include/deal.II/cgal/utilities.h
+++ b/include/deal.II/cgal/utilities.h
@@ -610,9 +610,10 @@ namespace CGALWrappers
   resort_dealii_vertices_to_cgal_order(const unsigned int            structdim,
                                        std::vector<Point<spacedim>> &vertices)
   {
-    if (ReferenceCell::n_vertices_to_type(structdim, vertices.size()) ==
-        ReferenceCells::Quadrilateral)
-      std::swap(vertices[2], vertices[3]);
+    if constexpr (spacedim == 2)
+      if (ReferenceCell::n_vertices_to_type(structdim, vertices.size()) ==
+          ReferenceCells::Quadrilateral)
+        std::swap(vertices[2], vertices[3]);
   }