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[Bug 575493] Re: BarycenterQuadrature gives wrong results for tetrahedron triangle intersection

 

Has this been fixed?

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BarycenterQuadrature gives wrong results for tetrahedron triangle intersection
https://bugs.launchpad.net/bugs/575493
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Status in DOLFIN: New

Bug description:
If a tetrahedron and triangle (converted from MeshEntities to CGAL Nef_polyhedron_3) are intersected and resulting polygon has non-vanishing area, BarycenterQuadrature computes quadrature wrong. Actually it gives zero area, since some loops are not entered in the BarycenterQuadrature::compute_quadrature function. (Such a intersection object has surprisingly *NO* half_facets). Check against CGAL is needed.





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