From cddffb5e7ec0a3b853c83f9f0af5a5bd0f50b03b Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Tue, 4 Jul 2023 18:16:31 -0600
Subject: [PATCH] Change argument to reference to avoid unnecessary copies.

---
 include/deal.II/lac/trilinos_epetra_vector.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/include/deal.II/lac/trilinos_epetra_vector.h b/include/deal.II/lac/trilinos_epetra_vector.h
index e65d0ca6f6..0c4cbb7a78 100644
--- a/include/deal.II/lac/trilinos_epetra_vector.h
+++ b/include/deal.II/lac/trilinos_epetra_vector.h
@@ -147,10 +147,11 @@ namespace LinearAlgebra
        */
       DEAL_II_DEPRECATED
       void
-      import(const ReadWriteVector<double> &V,
-             VectorOperation::values        operation,
-             std::shared_ptr<const Utilities::MPI::CommunicationPatternBase>
-               communication_pattern = {})
+      import(
+        const ReadWriteVector<double> &V,
+        const VectorOperation::values  operation,
+        const std::shared_ptr<const Utilities::MPI::CommunicationPatternBase>
+          &communication_pattern = {})
       {
         import_elements(V, operation, communication_pattern);
       }
-- 
2.39.5