casa-mp-base

diff --git a/src/graph/generation/graph_triangulation.cc b/src/graph/generation/graph_triangulation.cc

index f7a9a545..4d418beb 100644

--- src/graph/generation/graph_triangulation.cc

+++ src/graph/generation/graph_triangulation.cc

@@ -68,6 +68,18 @@ bool operator==(const PeriodicDelaunayTriangulation::Vertex& a,

 }

 #endif

+// comparison missing in 4.13

+#if (CGAL_VERSION_NR >= 1041301000)

+namespace CGAL

+{

+bool operator==(const DelaunayTriangulation::Vertex& a,

+                const DelaunayTriangulation::Vertex& b)

+{

+    return a.point() == b.point();

+}

+}

+#endif

+

 #include "graph_triangulation.hh"

 #include "numpy_bind.hh"