From dc99dcdbee69f38bce26fa29b17839e054deac34 Mon Sep 17 00:00:00 2001
From: benjamin <benjamin.brands@fau.de>
Date: Mon, 8 Oct 2018 21:45:29 +0200
Subject: [PATCH] ScaLAPACKMatrix: pass process grid consistently as const ref.
 to shared_ptr

---
 include/deal.II/lac/scalapack.h | 12 ++++++------
 source/lac/scalapack.cc         | 16 ++++++++--------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/include/deal.II/lac/scalapack.h b/include/deal.II/lac/scalapack.h
index 3198d1a34f..70c5e2512f 100644
--- a/include/deal.II/lac/scalapack.h
+++ b/include/deal.II/lac/scalapack.h
@@ -130,10 +130,10 @@ public:
    * using the process grid in @p process_grid.
    */
   ScaLAPACKMatrix(
-    const size_type                                          size,
-    const std::shared_ptr<const Utilities::MPI::ProcessGrid> process_grid,
-    const size_type                                          block_size = 32,
-    const LAPACKSupport::Property                            property =
+    const size_type                                           size,
+    const std::shared_ptr<const Utilities::MPI::ProcessGrid> &process_grid,
+    const size_type                                           block_size = 32,
+    const LAPACKSupport::Property                             property =
       LAPACKSupport::Property::symmetric);
 
   /**
@@ -158,8 +158,8 @@ public:
    * Initialize the square matrix of size @p size and distributed using the grid @p process_grid.
    */
   void
-  reinit(const size_type                                          size,
-         const std::shared_ptr<const Utilities::MPI::ProcessGrid> process_grid,
+  reinit(const size_type                                           size,
+         const std::shared_ptr<const Utilities::MPI::ProcessGrid> &process_grid,
          const size_type               block_size = 32,
          const LAPACKSupport::Property property =
            LAPACKSupport::Property::symmetric);
diff --git a/source/lac/scalapack.cc b/source/lac/scalapack.cc
index 5d301e3b36..714cd82f1f 100644
--- a/source/lac/scalapack.cc
+++ b/source/lac/scalapack.cc
@@ -102,10 +102,10 @@ ScaLAPACKMatrix<NumberType>::ScaLAPACKMatrix(
 
 template <typename NumberType>
 ScaLAPACKMatrix<NumberType>::ScaLAPACKMatrix(
-  const size_type                                          size,
-  const std::shared_ptr<const Utilities::MPI::ProcessGrid> process_grid,
-  const size_type                                          block_size,
-  const LAPACKSupport::Property                            property)
+  const size_type                                           size,
+  const std::shared_ptr<const Utilities::MPI::ProcessGrid> &process_grid,
+  const size_type                                           block_size,
+  const LAPACKSupport::Property                             property)
   : ScaLAPACKMatrix<NumberType>(size,
                                 size,
                                 process_grid,
@@ -194,10 +194,10 @@ ScaLAPACKMatrix<NumberType>::reinit(
 template <typename NumberType>
 void
 ScaLAPACKMatrix<NumberType>::reinit(
-  const size_type                                          size,
-  const std::shared_ptr<const Utilities::MPI::ProcessGrid> process_grid,
-  const size_type                                          block_size,
-  const LAPACKSupport::Property                            property)
+  const size_type                                           size,
+  const std::shared_ptr<const Utilities::MPI::ProcessGrid> &process_grid,
+  const size_type                                           block_size,
+  const LAPACKSupport::Property                             property)
 {
   reinit(size, size, process_grid, block_size, block_size, property);
 }
-- 
2.39.5