Add a missing typedef to the epetra vector wrapper.

We need this to satisfy the vector space vector concept.

diff --git a/include/deal.II/lac/trilinos_epetra_vector.h b/include/deal.II/lac/trilinos_epetra_vector.h
index 0c4cbb7a78097a89fd7db32828f44837b384b0c5..976cfb8d35ce8acfda2a0889c351b23de20a389e 100644 (file)
--- a/include/deal.II/lac/trilinos_epetra_vector.h
+++ b/include/deal.II/lac/trilinos_epetra_vector.h
@@ -65,6 +65,7 @@ namespace LinearAlgebra
     public:
       using value_type = double;
       using size_type  = types::global_dof_index;
+      using real_type  = double;
 
       /**
        * Constructor. Create a vector of dimension zero.