Of these 31 fail with the error message:
The violated condition was:
n_negative_cells==0 || n_negative_cells==cells.size()
This typically happens if you have inverted cells or cells that are not convex
in your mesh. This would be a result of what gmsh outputs.
(The test verifies that either no cells are inverted, or all are. If all are,
deal.II inverts all cells.)
and 8 fail with the error message:
The violated condition was:
needed_lines.find(std::make_pair(line_vertices.second,
line_vertices.first)) == needed_lines.end()
I don't know about this one (or the variant Mikhail posted -- thanks!). It
would be useful to have an input file that triggers this.
Best
W.
--
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Wolfgang Bangerth email: [email protected]
www: http://www.math.tamu.edu/~bangerth/
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