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git-svn-id: https://svn.dealii.org/trunk@18589 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/examples/step-34/step-34.cc b/deal.II/examples/step-34/step-34.cc
index 1494137770721dd7cb56c3292626b9a22ab8d716..7e6d544d4d6f30012f36067ff213bf62305a4277 100644 (file)
--- a/deal.II/examples/step-34/step-34.cc
+++ b/deal.II/examples/step-34/step-34.cc
@@ -800,9 +800,10 @@ void BEMProblem<dim>::assemble_system() {
 template <int dim>
 void BEMProblem<dim>::solve_system() {
     SparseDirectUMFPACK LU;
-    LU.initialize(system_matrix);
-    LU.vmult(phi, system_rhs);
-    
+    LU.initialize (system_matrix);
+    LU.vmult (phi, system_rhs);
+
+//TODO: is this true? it seems to me that the BIE is definite...    
     // Since we are solving a purely Neumann problem, the solution is
     // only known up to a constant potential. We solve this issue by
     // subtracting the mean value of the vector from each vector