correct boundary condition treecontainer access

amdis/ProblemStat.inc.hpp

@@ -308,10 +308,10 @@ addDirichletBC(Predicate const& predicate, RowTreePath row, ColTreePath col, Val
     "Function passed to addDirichletBC for `predicate` does not model the Functor<bool(WorldVector)> concept");
 
   auto localView = globalBasis_->localView();
-  auto i = child(localView.tree(), makeTreePath(row));
-  auto j = child(localView.tree(), makeTreePath(col));
-  auto rowBasis = Dune::Functions::subspaceBasis(*globalBasis_, makeTreePath(row));
-  auto colBasis = Dune::Functions::subspaceBasis(*globalBasis_, makeTreePath(col));
+  auto i = makeTreePath(row);
+  auto j = makeTreePath(col);
+  auto rowBasis = Dune::Functions::subspaceBasis(*globalBasis_, i);
+  auto colBasis = Dune::Functions::subspaceBasis(*globalBasis_, j);
 
   auto valueGridFct = makeGridFunction(values, this->gridView());
 
@@ -328,10 +328,10 @@ void ProblemStat<Traits>::
 addDirichletBC(BoundaryType id, RowTreePath row, ColTreePath col, Values const& values)
 {
   auto localView = globalBasis_->localView();
-  auto i = child(localView.tree(), makeTreePath(row));
-  auto j = child(localView.tree(), makeTreePath(col));
-  auto rowBasis = Dune::Functions::subspaceBasis(*globalBasis_, makeTreePath(row));
-  auto colBasis = Dune::Functions::subspaceBasis(*globalBasis_, makeTreePath(col));
+  auto i = makeTreePath(row);
+  auto j = makeTreePath(col);
+  auto rowBasis = Dune::Functions::subspaceBasis(*globalBasis_, i);
+  auto colBasis = Dune::Functions::subspaceBasis(*globalBasis_, j);
 
   auto valueGridFct = makeGridFunction(values, this->gridView());
 
@@ -349,7 +349,7 @@ addPeriodicBC(BoundaryType id, WorldMatrix const& matrix, WorldVector const& vec
   auto basis = Dune::Functions::subspaceBasis(*globalBasis_, treepath());
   auto bc = makePeriodicBC<SystemMatrix, SolutionVector, SystemVector>(
               std::move(basis), {*boundaryManager_, id}, {matrix, vector});
-  boundaryConditions_[localView.tree()][localView.tree()].push_back(makeUniquePtr(std::move(bc)));
+  boundaryConditions_[treepath()][treepath()].push_back(makeUniquePtr(std::move(bc)));
 }