Operators in the global namespace

template<class T>
inline std::ostream &operator<<(std::ostream &s, const Dune::XT::Common::MinMaxAvg<T> &d)

writes the min, max and average held by a MinMaxAvg to an output stream

template<class T>
inline std::ostream &operator<<(std::ostream &s, const Dune::XT::Grid::Dimensions<T> &d)

Streams the per-axis coordinate limits and entity volume statistics of a Dimensions object.