Function bottomRows

Eigen/src/plugins/BlockMethods.h:516–520

///
template<int N>
EIGEN_DEVICE_FUNC
inline typename NRowsBlockXpr<N>::Type bottomRows(Index n = N)
{
  return typename NRowsBlockXpr<N>::Type(derived(), rows() - n, 0, n, cols());
}

/// This is the const version of bottomRows<int>().
template<int N>