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  • #119

Closed
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Opened Jan 10, 2021 by Timo Koch@tkochDeveloper

gmsh test with UG grid array out of bounds

In the test suite there is the following warning which points to a problem that looks like bug

In file included from /builds/core/dune-grid/dune/grid/uggrid/uggridentity.hh:15,
                 from /builds/core/dune-grid/dune/grid/uggrid.hh:117,
                 from /builds/core/dune-grid/dune/grid/io/file/test/gmshtest.cc:20:
/builds/core/dune-grid/dune/grid/uggrid/uggridrenumberer.hh: In member function 'void Dune::GmshWriter<GridView>::outputElements(std::ofstream&, const std::vector<int>&, const std::vector<int>&) const [with GridView = Dune::GridView<Dune::UGGridLeafGridViewTraits<const Dune::UGGrid<2> > >]':
/builds/core/dune-grid/dune/grid/uggrid/uggridrenumberer.hh:58:29: warning: array subscript 4 is above array bounds of 'const int [4]' [-Warray-bounds]
   58 |         return renumbering[i];
      |                ~~~~~~~~~~~~~^
/builds/core/dune-grid/dune/grid/uggrid/uggridrenumberer.hh:57:19: note: while referencing 'renumbering'
   57 |         const int renumbering[4] = {0, 1, 3, 2};
      |                   ^~~~~~~~~~~

Needs further investigation.

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Reference: core/dune-grid#119