[Dune] Initialization of BlockVector with C array or Eigen array

[Tobias Ritschel]

Hi

I would like to use dune-istl to solve linear systems in a fully implicit
two-phase solver and I use Eigen to generate the Jacobi matrix and
right-hand-side. Is there a way to initialize a
BlockVector<FieldVector<double,1>> with a Eigen array or a C array without
copying?

I have been looking at block_vector_unmanaged and base_array_unmanaged but
I guess they're not for general use?

Kind regards
Tobias
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