Peter Munch

Please ping me once you have a commit as suspect. The aspect messages might get lost between other emails from github.

@jh66637 I must admit I don't see the use case. Do you have an example?

Something like `MatrixFreeEvaluator` could be an option. Internally, one would store in form of vectors/maps all the flags the constructors of the `FEEvaluation` objects gets: `dof_index`, `quad_index`, ... However, this...

> So which class would store the FEEvaluation objects? What I wanted to say that there need to be two objects. The object that is owned by the class (e.g....

An option would be to use https://hub.docker.com/. In deal.II, this is what we use; once a PR is merged into master a Docker-image is created automatically with the following script...

> I think it is not justified to copy one test case with the only difference being the mesh. We should introduce this as a variant of the existing test...

It does. But it seems that there is an issue with the docker deployment pipeline: https://github.com/dealii/dealii/actions/workflows/docker.yml

> Actually no. The 2D problem this adds is no longer working for HDIV and I can't figure out why. 3D tgv is still correct though. Not sure if this...

Remaining instances of `GeometryInfo` in `include/` are: https://github.com/exadg/exadg/blob/35a791d68c7e05e127302e9c82edc9890506887b/include/exadg/incompressible_navier_stokes/postprocessor/line_plot_calculation_statistics_homogeneous.cpp#L170 https://github.com/exadg/exadg/blob/35a791d68c7e05e127302e9c82edc9890506887b/include/exadg/incompressible_navier_stokes/postprocessor/line_plot_calculation_statistics_homogeneous.cpp#L238 https://github.com/exadg/exadg/blob/35a791d68c7e05e127302e9c82edc9890506887b/include/exadg/incompressible_navier_stokes/postprocessor/line_plot_calculation_statistics_homogeneous.cpp#L290 https://github.com/exadg/exadg/blob/35a791d68c7e05e127302e9c82edc9890506887b/include/exadg/vector_tools/interpolate_solution.h#L67 https://github.com/exadg/exadg/blob/35a791d68c7e05e127302e9c82edc9890506887b/include/exadg/vector_tools/point_value.h#L47 since these two functions are not supported by `ReferenceCell`. The usage of these function calls could be eliminated...

> Having changed to our new Ubuntu OS at LNM with clang-format version 10, I receive clang-format errors, probably because the "indent check" uses an older version. Here we should...