diff --git a/dune/fufem/functiontools/boundarydofs.hh b/dune/fufem/functiontools/boundarydofs.hh index 65dcfb6d3929c7d7d5547a890e664aee9fb7da62..57dd6b9468f4407ededfc2c8caf46c8d27992d03 100644 --- a/dune/fufem/functiontools/boundarydofs.hh +++ b/dune/fufem/functiontools/boundarydofs.hh @@ -3,6 +3,8 @@ #ifndef DUNE_FUFEM_FUNCTIONTOOLS_BOUNDARYDOFS_HH #define DUNE_FUFEM_FUNCTIONTOOLS_BOUNDARYDOFS_HH +#include <type_traits> + #include <dune/common/bitsetvector.hh> #include <dune/common/version.hh> @@ -20,7 +22,7 @@ void constructBoundaryDofs(const BoundaryPatch<GridView>& boundaryPatch, Dune::BitSetVector<blocksize>& boundaryDofs) { // Check consistency of the input - static_assert((Dune::is_same<GridView, typename Basis::GridView>::value), + static_assert((std::is_same<GridView, typename Basis::GridView>::value), "BoundaryPatch and global basis must be for the same grid view!"); // ////////////////////////////////////////////////////////