From 0d3ac6b15446a20908c4d670fce571fb5e6404ed Mon Sep 17 00:00:00 2001
From: Peter Munch <peterrmuench@gmail.com>
Date: Wed, 23 Sep 2020 13:24:34 +0200
Subject: [PATCH] Work on warning

---
 .../deal.II/matrix_free/evaluation_kernels.h  | 11 +++++-----
 include/deal.II/matrix_free/fe_evaluation.h   | 21 +++++++------------
 2 files changed, 12 insertions(+), 20 deletions(-)

diff --git a/include/deal.II/matrix_free/evaluation_kernels.h b/include/deal.II/matrix_free/evaluation_kernels.h
index 7877ae06b4..a30377f1e8 100644
--- a/include/deal.II/matrix_free/evaluation_kernels.h
+++ b/include/deal.II/matrix_free/evaluation_kernels.h
@@ -2586,8 +2586,7 @@ namespace internal
     const unsigned int dummy = 0;
 
     // re-orientation
-    std::array<const unsigned int *, n_face_orientations> orientation;
-    std::fill(orientation.begin(), orientation.end(), nullptr);
+    std::array<const unsigned int *, n_face_orientations> orientation = {};
 
     if (n_face_orientations == 1)
       orientation[0] = (data.data.front().nodal_at_cell_boundaries == true) ?
@@ -2611,8 +2610,8 @@ namespace internal
       }
 
     // face_to_cell_index_hermite
-    std::array<const unsigned int *, n_face_orientations> index_array_hermite;
-    std::fill(index_array_hermite.begin(), index_array_hermite.end(), nullptr);
+    std::array<const unsigned int *, n_face_orientations> index_array_hermite =
+      {};
 
     if (n_face_orientations == 1)
       index_array_hermite[0] =
@@ -2641,8 +2640,8 @@ namespace internal
       }
 
     // face_to_cell_index_nodal
-    std::array<const unsigned int *, n_face_orientations> index_array_nodal;
-    std::fill(index_array_nodal.begin(), index_array_nodal.end(), nullptr);
+    std::array<const unsigned int *, n_face_orientations> index_array_nodal =
+      {};
 
     if (n_face_orientations == 1)
       index_array_nodal[0] =
diff --git a/include/deal.II/matrix_free/fe_evaluation.h b/include/deal.II/matrix_free/fe_evaluation.h
index 049c8c9cf9..6ca84eb940 100644
--- a/include/deal.II/matrix_free/fe_evaluation.h
+++ b/include/deal.II/matrix_free/fe_evaluation.h
@@ -8496,13 +8496,10 @@ FEFaceEvaluation<dim,
       {
         // TODO: this copying should not be necessary once we have introduced
         // an internal-data structure
-        std::array<unsigned int, VectorizedArrayType::size()> cells_;
-        std::array<unsigned int, VectorizedArrayType::size()> face_no_;
-        std::array<unsigned int, VectorizedArrayType::size()> face_orientation_;
-
-        std::fill(cells_.begin(), cells_.end(), -1);
-        std::fill(face_no_.begin(), face_no_.end(), -1);
-        std::fill(face_orientation_.begin(), face_orientation_.end(), -1);
+        std::array<unsigned int, VectorizedArrayType::size()> cells_   = {};
+        std::array<unsigned int, VectorizedArrayType::size()> face_no_ = {};
+        std::array<unsigned int, VectorizedArrayType::size()>
+          face_orientation_ = {};
 
         cells_[0]            = this->cell;
         face_no_[0]          = this->face_no;
@@ -8629,13 +8626,9 @@ FEFaceEvaluation<dim,
 
   // TODO: this copying should not be necessary once we have introduced
   // an internal-data structure
-  std::array<unsigned int, VectorizedArrayType::size()> cells_;
-  std::array<unsigned int, VectorizedArrayType::size()> face_no_;
-  std::array<unsigned int, VectorizedArrayType::size()> face_orientation_;
-
-  std::fill(cells_.begin(), cells_.end(), -1);
-  std::fill(face_no_.begin(), face_no_.end(), -1);
-  std::fill(face_orientation_.begin(), face_orientation_.end(), -1);
+  std::array<unsigned int, VectorizedArrayType::size()> cells_            = {};
+  std::array<unsigned int, VectorizedArrayType::size()> face_no_          = {};
+  std::array<unsigned int, VectorizedArrayType::size()> face_orientation_ = {};
 
   cells_[0]            = this->cell;
   face_no_[0]          = this->face_no;
-- 
2.39.5