[Dune] battle with gridcheck continues

[Aleksejs Fomins]

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Dear Dune,

Thank you for your support so far in helping me make the grid work with gridcheck. I think I am nearing the end.

The last major problem that caused crashes of gridcheck was because the local index was not continuous for vertices. It was my mistake, since I indexed element corners and internal interpolatory vertices with the same index, thus making the index for corners non-continuous. It has now been corrected. I was however surprised that I did not notice the gridcheck checking for this explicitly. I am sorry if I have missed this test, but if it is not there I propose making a simple test to iterate over all entities and check whether their indices are continuous and start at 0.


Currently I am running into a different problem, also with checkCommunication. I receive the assert problem 

test-curvgrid: /home/fomins/gitwork/hades-github-lspr-ag/dune-grid/dune/grid/test/checkcommunicate.hh:159: void ExampleDataHandle<IndexSetImp, GlobalIdSetImp, DataVectorType>::scatter(MessageBuffer&, const EntityType&, size_t) [with MessageBuffer = Dune::MessageBufferIF<Dune::CurvGrid::CurvilinearMessageBuffer<double> >; EntityType = Dune::Entity<3, 3, const Dune::CurvilinearGrid<3, 3, double, false>, Dune::CurvGrid::CurvEntity>; IndexSetImp = Dune::IndexSet<const Dune::CurvilinearGrid<3, 3, double, false>, Dune::CurvGrid::CurvIndexSet<const Dune::CurvilinearGrid<3, 3, double, false> >, unsigned int, std::vector<Dune::GeometryType> >; GlobalIdSetImp = Dune::IdSet<const Dune::CurvilinearGrid<3, 3, double, false>, Dune::CurvGrid::CurvIdSet<const Dune::CurvilinearGrid<3, 3, double, false> >, Dune::CurvilinearGridStorage<double, 3, false>::IdType>; DataVectorType = std::vector<double>; size_t = long unsigned int]: Assertion `( e.partitionType() == Dune::GhostEntity ) ? (x>=0.0) !
 : 1' fail
 e
d.

would it be possible for someone to briefly describe what the checkCommunication test does?

Kind regards,
Aleksejs Fomins
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