diff --git a/dune/solvers/norms/norm.hh b/dune/solvers/norms/norm.hh index a695a6571bd56ca98c3c15b6172456ed4e56eca2..8b0e6fc8b62a42ca8d0ff581ce59236a8c071680 100644 --- a/dune/solvers/norms/norm.hh +++ b/dune/solvers/norms/norm.hh @@ -3,6 +3,8 @@ #ifndef DUNE_SOLVERS_NORMS_NORM_HH #define DUNE_SOLVERS_NORMS_NORM_HH +#include <dune/common/ftraits.hh> + namespace Dune { namespace Solvers { @@ -13,7 +15,7 @@ class Norm { public: typedef V VectorType; - typedef typename VectorType::field_type field_type; + using field_type = typename Dune::FieldTraits<VectorType>::field_type; /** \brief Destructor, doing nothing */ virtual ~Norm() {};