Make input arguments 'const'.

diff --git a/include/deal.II/lac/cuda_vector.h b/include/deal.II/lac/cuda_vector.h
index be68d1ed952309e40ac40d5900fd9a28e8c58818..3fcbe3f6d86f48a26a9158ac7e82cb10b2ce4354 100644 (file)
--- a/include/deal.II/lac/cuda_vector.h
+++ b/include/deal.II/lac/cuda_vector.h
@@ -140,9 +140,9 @@ namespace LinearAlgebra
       void
       import_elements(
         const ReadWriteVector<Number> &V,
-        VectorOperation::values        operation,
-        std::shared_ptr<const Utilities::MPI::CommunicationPatternBase>
-          communication_pattern = {});
+        const VectorOperation::values  operation,
+        const std::shared_ptr<const Utilities::MPI::CommunicationPatternBase>
+          &communication_pattern = {});
 
       /**
        * @deprecated Use import_elements() instead.

diff --git a/source/lac/cuda_vector.cc b/source/lac/cuda_vector.cc
index 9e3e54ef37688972045cf9775367813163c940ee..60d24750a7c4851851b8383e4773cdd5bc1f520e 100644 (file)
--- a/source/lac/cuda_vector.cc
+++ b/source/lac/cuda_vector.cc
@@ -128,8 +128,8 @@ namespace LinearAlgebra
     void
     Vector<Number>::import_elements(
       const ReadWriteVector<Number> &V,
-      VectorOperation::values        operation,
-      std::shared_ptr<const Utilities::MPI::CommunicationPatternBase>)
+      const VectorOperation::values  operation,
+      const std::shared_ptr<const Utilities::MPI::CommunicationPatternBase> &)
     {
       if (operation == VectorOperation::insert)
         {