From: Daniel Arndt <arndtd@ornl.gov>
Date: Thu, 28 May 2020 13:45:54 +0000 (-0400)
Subject: Fix warning about missing copy constructors
X-Git-Tag: v9.3.0-rc1~1530^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a7fb4e75ab1f7be2aaf95a23e1942bfceeeffc5;p=dealii.git

Fix warning about missing copy constructors
---

diff --git a/include/deal.II/lac/petsc_vector_base.h b/include/deal.II/lac/petsc_vector_base.h
index 7b32322f2e..5490d34160 100644
--- a/include/deal.II/lac/petsc_vector_base.h
+++ b/include/deal.II/lac/petsc_vector_base.h
@@ -93,8 +93,12 @@ namespace PETScWrappers
        */
       VectorReference(const VectorBase &vector, const size_type index);
 
-
     public:
+      /*
+       * Copy constrcutor.
+       */
+      VectorReference(const VectorReference &vector) = default;
+
       /**
        * This looks like a copy operator, but does something different than
        * usual. In particular, it does not copy the member variables of this
diff --git a/include/deal.II/lac/trilinos_vector.h b/include/deal.II/lac/trilinos_vector.h
index af08c35432..25b2ccf82c 100644
--- a/include/deal.II/lac/trilinos_vector.h
+++ b/include/deal.II/lac/trilinos_vector.h
@@ -107,6 +107,11 @@ namespace TrilinosWrappers
       VectorReference(MPI::Vector &vector, const size_type index);
 
     public:
+      /**
+       * Copy constructor.
+       */
+      VectorReference(const VectorReference &) = default;
+
       /**
        * This looks like a copy operator, but does something different than
        * usual. In particular, it does not copy the member variables of this