[Dune] [#569] globalRefine() segfaults for Alberta3D for certain meshes

[Dune]

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User who did this - Jö Fahlke (joe) 

Attached to Project - Dune
Summary - globalRefine() segfaults for Alberta3D for certain meshes
Task Type - Bug Report
Category - Alberta
Status - New
Assigned To - 
Operating System - Unspecified / All
Severity - Low
Priority - Normal
Reported Version - SVN
Due in Version - Undecided
Due Date - Undecided
Details - Hi!

I created an AlbertaGrid<3,3> using the gridfactory.  The mesh is the unit cube triangulated into 5 tets.  I then do globalRefine(1), and alberta goes into an endless recursion.  I also triend the unit tetrahedron and the unit cube triangulated into 6 tets, those meshes refine without problem.

The problem appears with Alberta 2.0 as well as Alberta 3.0-rc6.

The test program is in dune-grid/grid/albertagrid/test/test-alberta3d-refine.cc.

More information can be found at the following URL:
http://www.dune-project.org/flyspray/index.php?do=details&task_id=569

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