Dear Michal,
Could you please be a bit more specific? What was the error that you
obtained? What vector did you pass into
FEEvaluation::read_dof_values/distribute_local_to_global? I guess that
you handed in a simple vector, e.g. LinearAlgebra::distributed::Vector
and got a segmentation fault. But to add the assertion I need more
details. The issues that in principle, we do support using multiple
components out of a scalar FE - but in that case the user must hand in a
BlockVector or std::vector<VectorType>. We could catch that case in the
machinery, though.
Thanks!
Best,
Martin
On 07.10.2017 23:00, Michał Wichrowski wrote:
Dear deal.II developers,
I've found out that in Matrix-free framework there is no assertion
that checks if number of components of finite element matches number
components used in cell operations. By mistake I used scalar FE
instead vector and it took me quite a long time to figure it out. The
program worked and even covered in reasonable number of iterations. I
think FEEvaluation is right place to put this assertion.
Michał Wichrowski
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