From: Martin Kronbichler <martin.kronbichler@uni-a.de>
Date: Wed, 29 Jun 2022 14:45:55 +0000 (+0200)
Subject: Fix warning about possibly uninitialized variables
X-Git-Tag: v9.5.0-rc1~1132^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F14077%2Fhead;p=dealii.git

Fix warning about possibly uninitialized variables
---

diff --git a/include/deal.II/grid/tria_accessor.templates.h b/include/deal.II/grid/tria_accessor.templates.h
index 63c46968bf..992f1b1ded 100644
--- a/include/deal.II/grid/tria_accessor.templates.h
+++ b/include/deal.II/grid/tria_accessor.templates.h
@@ -1069,7 +1069,7 @@ namespace internal
       {
         // For 2D cells the access cell->line_orientation() is already
         // efficient
-        std::array<unsigned int, 4> line_indices;
+        std::array<unsigned int, 4> line_indices = {};
         for (unsigned int line : cell.line_indices())
           line_indices[line] = cell.line_index(line);
         return line_indices;
@@ -1084,7 +1084,7 @@ namespace internal
       get_line_indices_of_cell(
         const TriaAccessor<structdim, dim, spacedim> &cell)
       {
-        std::array<unsigned int, 12> line_indices;
+        std::array<unsigned int, 12> line_indices = {};
 
         // For hexahedra, the classical access via quads -> lines is too
         // inefficient. Unroll this code here to allow the compiler to inline
@@ -1164,7 +1164,7 @@ namespace internal
       {
         // For 2D cells the access cell->line_orientation() is already
         // efficient
-        std::array<bool, 4> line_orientations;
+        std::array<bool, 4> line_orientations = {};
         for (unsigned int line : cell.line_indices())
           line_orientations[line] = cell.line_orientation(line);
         return line_orientations;
@@ -1180,7 +1180,7 @@ namespace internal
       static std::array<bool, 12>
       get_line_orientations_of_cell(const TriaAccessor<3, dim, spacedim> &cell)
       {
-        std::array<bool, 12> line_orientations;
+        std::array<bool, 12> line_orientations = {};
 
         // For hexahedra, the classical access via quads -> lines is too
         // inefficient. Unroll this code here to allow the compiler to inline