add missing include

tjhei · tjhei · commit 5c5ba97dfa9d · 2025-08-10T08:57:14.000-04:00
diff --git a/source/mesh_deformation/external_tool_interface.cc b/source/mesh_deformation/external_tool_interface.cc
@@ -22,6 +22,8 @@
 #include <aspect/mesh_deformation/external_tool_interface.h>
 #include <aspect/simulator_signals.h>
 
+#include <deal.II/numerics/vector_tools_evaluate.h>
+
 /*
 TODO:
 - PointDataOut: move to deal.II
