From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 5 Jul 2023 00:16:31 +0000 (-0600)
Subject: Change argument to reference to avoid unnecessary copies.
X-Git-Tag: relicensing~741^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F15623%2Fhead;p=dealii.git

Change argument to reference to avoid unnecessary copies.
---

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);
       }