Add some missing headers.

Other changes in this PR necessitate these additions.

diff --git a/source/base/geometric_utilities.cc b/source/base/geometric_utilities.cc
index 72d976cec982414746a7d8895e60a4f8dbf46cdc..e55034af864614683c3497f462ec1c5e523a6819 100644 (file)
--- a/source/base/geometric_utilities.cc
+++ b/source/base/geometric_utilities.cc
@@ -17,6 +17,10 @@
 #include <deal.II/base/exceptions.h>
 #include <deal.II/base/geometric_utilities.h>
 
+#include <array>
+#include <cmath>
+#include <limits>
+
 
 DEAL_II_NAMESPACE_OPEN