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Clear some forgotten fields in Triangulation::clear(). #15877

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merged 2 commits into from
Aug 17, 2023
Merged

Clear some forgotten fields in Triangulation::clear(). #15877

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0648c9f
Clear some forgotten fields in Triangulation::clear().
bangerth Aug 15, 2023
d91bfe9
Clear maps, rather than reset pointers.
bangerth Aug 17, 2023
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17 changes: 17 additions & 0 deletions source/grid/tria.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -16083,6 +16083,23 @@ void Triangulation<dim, spacedim>::clear_despite_subscriptions()

manifolds.clear();

// In 1d, also reset vertex-to-(boundary|manifold) maps to empty maps
if (dim == 1)
{
Assert(vertex_to_boundary_id_map_1d != nullptr, ExcInternalError());
vertex_to_boundary_id_map_1d->clear();

Assert(vertex_to_manifold_id_map_1d != nullptr, ExcInternalError());
vertex_to_manifold_id_map_1d->clear();
}
else
{
// For dim>1, these maps should simply not exist.
Assert(vertex_to_boundary_id_map_1d == nullptr, ExcInternalError());
Assert(vertex_to_manifold_id_map_1d == nullptr, ExcInternalError());
}


number_cache = internal::TriangulationImplementation::NumberCache<dim>();
}

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