From d4930cc8c0ae2326efc4381ce4c2ac188b306d44 Mon Sep 17 00:00:00 2001
From: Robert Kloefkorn <robert.kloefkorn@norceresearch.no>
Date: Wed, 11 Dec 2019 22:32:23 +0100
Subject: [PATCH] [bugfix][CpGrid::Entity] added specialized referenceElement
 method for Entity.

---
 opm/grid/cpgrid/Entity.hpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/opm/grid/cpgrid/Entity.hpp b/opm/grid/cpgrid/Entity.hpp
index dbc1735aa..b441789f4 100644
--- a/opm/grid/cpgrid/Entity.hpp
+++ b/opm/grid/cpgrid/Entity.hpp
@@ -332,6 +332,13 @@ namespace Dune
             }
         };
     } // namespace cpgrid
+
+#if DUNE_VERSION_NEWER(DUNE_GRID, 2, 7)
+    template <int codim>
+    auto referenceElement(const Dune::cpgrid::Entity<codim>& entity) -> decltype(referenceElement<double, 3>(entity.type()))
+    { return referenceElement<double, 3>(entity.type()); }
+#endif
+
 } // namespace Dune
 
 // now we include the Iterators.hh We need to do this here because for hbegin/hend the compiler