bugfix: sample dirichlet values on higher levels

[[Imported from SVN: r9853]]

nonlinelast.cc

@@ -12,6 +12,7 @@
 #include <dune/istl/io.hh>
 
 #include <dune/ag-common/prolongboundarypatch.hh>
+#include <dune/ag-common/sampleonbitfield.hh>
 #include <dune/ag-common/readbitfield.hh>
 #include <dune/ag-common/quadraticipopt.hh>
 #include <dune/ag-common/iterativesolver.hh>
@@ -91,6 +92,8 @@ int main (int argc, char *argv[]) try
 
     }
 
+    sampleOnBitField(grid, dirichletValues, dirichletNodes);
+
     int maxlevel = grid.maxLevel();
 
   // Determine Dirichlet dofs
@@ -107,6 +110,7 @@ int main (int argc, char *argv[]) try
 #if defined IPOPT
 
     QuadraticIPOptSolver<OperatorType,VectorType> solver;
+    solver.verbosity_ = NumProc::QUIET;
 
     solver.dirichletNodes_ = &dirichletNodes[maxlevel];