Fix step-16.

diff --git a/doc/news/changes/minor/20180521CeQin b/doc/news/changes/minor/20180521CeQin
new file mode 100644 (file)
index 0000000..046ab09
--- /dev/null
+++ b/doc/news/changes/minor/20180521CeQin
@@ -0,0 +1,2 @@
+Fixed: Step-16 was broken caused by uninitialized variables, it is now fixed.
+(Ce Qin, 2018/05/21)

diff --git a/examples/step-16/step-16.cc b/examples/step-16/step-16.cc
index c27867f6c204581c1928b2ba6bf08d41a90e8f7c..345a027c226a1d396ad9182fa3ca556a54b24135 100644 (file)
--- a/examples/step-16/step-16.cc
+++ b/examples/step-16/step-16.cc
@@ -279,7 +279,7 @@ namespace Step16
     constraints.clear ();
     DoFTools::make_hanging_node_constraints (dof_handler, constraints);
 
-    std::set<types::boundary_id>          dirichlet_boundary_ids;
+    std::set<types::boundary_id>          dirichlet_boundary_ids = { 0 };
     Functions::ZeroFunction<dim>          homogeneous_dirichlet_bc;
     const typename FunctionMap<dim>::type dirichlet_boundary_functions
     = { { types::boundary_id(0), &homogeneous_dirichlet_bc } };