From 14bff75e441bbcd928da0a51b9a2ad0b82da2305 Mon Sep 17 00:00:00 2001
From: Martin Kronbichler <martin.kronbichler@it.uu.se>
Date: Sun, 12 Dec 2021 22:58:27 +0100
Subject: [PATCH] Fix a few compile warnings

---
 include/deal.II/matrix_free/evaluation_kernels.h |  3 ++-
 include/deal.II/matrix_free/fe_evaluation.h      | 16 ++++++++--------
 .../deal.II/matrix_free/mapping_info.templates.h |  2 +-
 3 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/include/deal.II/matrix_free/evaluation_kernels.h b/include/deal.II/matrix_free/evaluation_kernels.h
index 149ba87116..1467f754cb 100644
--- a/include/deal.II/matrix_free/evaluation_kernels.h
+++ b/include/deal.II/matrix_free/evaluation_kernels.h
@@ -3265,7 +3265,7 @@ namespace internal
     const unsigned int subface_index = eval.get_subface_index();
     const auto reorientate = [&](const unsigned int v, const unsigned int i) {
       return (dim < 3 || orientation[v] == nullptr ||
-              subface_index < Utilities::pow(2, dim)) ?
+              subface_index < Utilities::pow(2U, dim)) ?
                i :
                orientation[v][i];
     };
@@ -3493,6 +3493,7 @@ namespace internal
 
             if (vectorization_possible == false)
               {
+                vector_ptrs = {};
                 if (n_face_orientations == 1)
                   {
                     for (unsigned int v = 0; v < n_filled_lanes; ++v)
diff --git a/include/deal.II/matrix_free/fe_evaluation.h b/include/deal.II/matrix_free/fe_evaluation.h
index adb254dbb7..f05d1b2ac4 100644
--- a/include/deal.II/matrix_free/fe_evaluation.h
+++ b/include/deal.II/matrix_free/fe_evaluation.h
@@ -7141,7 +7141,7 @@ namespace internal
    */
   template <typename Number,
             typename VectorType,
-            typename T,
+            typename EvaluatorType,
             typename std::enable_if<
               internal::has_begin<VectorType>::value &&
                 std::is_same<decltype(std::declval<VectorType>().begin()),
@@ -7149,7 +7149,7 @@ namespace internal
               VectorType>::type * = nullptr>
   bool
   try_gather_evaluate_inplace(
-    T &                                    phi,
+    EvaluatorType &                        phi,
     const VectorType &                     input_vector,
     const EvaluationFlags::EvaluationFlags evaluation_flag)
   {
@@ -7199,14 +7199,14 @@ namespace internal
    */
   template <typename Number,
             typename VectorType,
-            typename T,
+            typename EvaluatorType,
             typename std::enable_if<
               !internal::has_begin<VectorType>::value ||
                 !std::is_same<decltype(std::declval<VectorType>().begin()),
                               Number *>::value,
               VectorType>::type * = nullptr>
   bool
-  try_gather_evaluate_inplace(T &,
+  try_gather_evaluate_inplace(EvaluatorType &,
                               const VectorType &,
                               const EvaluationFlags::EvaluationFlags)
   {
@@ -7218,7 +7218,7 @@ namespace internal
    */
   template <typename Number,
             typename VectorType,
-            typename T,
+            typename EvaluatorType,
             typename std::enable_if<
               internal::has_begin<VectorType>::value &&
                 std::is_same<decltype(std::declval<VectorType>().begin()),
@@ -7226,7 +7226,7 @@ namespace internal
               VectorType>::type * = nullptr>
   bool
   try_integrate_scatter_inplace(
-    T &                                    phi,
+    EvaluatorType &                        phi,
     VectorType &                           destination,
     const EvaluationFlags::EvaluationFlags evaluation_flag)
   {
@@ -7276,14 +7276,14 @@ namespace internal
    */
   template <typename Number,
             typename VectorType,
-            typename T,
+            typename EvaluatorType,
             typename std::enable_if<
               !internal::has_begin<VectorType>::value ||
                 !std::is_same<decltype(std::declval<VectorType>().begin()),
                               Number *>::value,
               VectorType>::type * = nullptr>
   bool
-  try_integrate_scatter_inplace(T,
+  try_integrate_scatter_inplace(EvaluatorType &,
                                 VectorType &,
                                 const EvaluationFlags::EvaluationFlags)
   {
diff --git a/include/deal.II/matrix_free/mapping_info.templates.h b/include/deal.II/matrix_free/mapping_info.templates.h
index 4b52438230..54fc917747 100644
--- a/include/deal.II/matrix_free/mapping_info.templates.h
+++ b/include/deal.II/matrix_free/mapping_info.templates.h
@@ -2056,7 +2056,7 @@ namespace internal
             {
               internal::MatrixFreeFunctions::FaceToCellTopology<
                 VectorizedDouble::size()>
-                face_double;
+                face_double = {};
               face_double.interior_face_no = faces[face].interior_face_no;
               face_double.exterior_face_no = faces[face].exterior_face_no;
               face_double.face_orientation = faces[face].face_orientation;
-- 
2.39.5