diff --git a/dune/solvers/transferoperators/truncatedmgtransfer.hh b/dune/solvers/transferoperators/truncatedmgtransfer.hh index 92033828e8b916adb9a3f4ce94a8a4436f694352..474b398c5bf1ee57f750fa357472a1cedb2b04a1 100644 --- a/dune/solvers/transferoperators/truncatedmgtransfer.hh +++ b/dune/solvers/transferoperators/truncatedmgtransfer.hh @@ -6,6 +6,7 @@ #include <dune/istl/bcrsmatrix.hh> #include <dune/common/fmatrix.hh> #include <dune/common/bitsetvector.hh> +#include <dune/solvers/transferoperators/multigridtransfer.hh> /** \brief Restriction and prolongation interface class for truncated multigrid *