From 000473364c3f9a8be9f50d9fd4da0a58789289c3 Mon Sep 17 00:00:00 2001
From: Kilian Weishaupt <kilian.weishaupt@iws.uni-stuttgart.de>
Date: Mon, 26 Oct 2020 13:25:04 +0100
Subject: [PATCH] [test][navierstokes][channel3d] Only use subgrid for 3d case

* fixes compiler warning 'array subscript 2 is outside array bounds'
  for pseudo 3d case
---
 test/freeflow/navierstokes/channel/3d/main.cc    | 2 +-
 test/freeflow/navierstokes/channel/3d/problem.hh | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/freeflow/navierstokes/channel/3d/main.cc b/test/freeflow/navierstokes/channel/3d/main.cc
index 3bcce44c67..f3103220bb 100644
--- a/test/freeflow/navierstokes/channel/3d/main.cc
+++ b/test/freeflow/navierstokes/channel/3d/main.cc
@@ -68,7 +68,7 @@ int main(int argc, char** argv)
     using Grid = GetPropType<TypeTag, Properties::Grid>;
     Dumux::GridManager<Grid> gridManager;
 
-#if HAVE_DUNE_SUBGRID
+#if HAVE_DUNE_SUBGRID && GRID_DIM == 3
     const bool isStaircaseGeometry = getParam<bool>("Problem.IsStaircaseGeometry", false);
 
     auto selector = [&](const auto& element)
diff --git a/test/freeflow/navierstokes/channel/3d/problem.hh b/test/freeflow/navierstokes/channel/3d/problem.hh
index 5d95ea95b0..eded38ba4c 100644
--- a/test/freeflow/navierstokes/channel/3d/problem.hh
+++ b/test/freeflow/navierstokes/channel/3d/problem.hh
@@ -31,7 +31,7 @@
 #include <dune/common/float_cmp.hh>
 #include <dune/grid/yaspgrid.hh>
 
-#if HAVE_DUNE_SUBGRID
+#if HAVE_DUNE_SUBGRID && GRID_DIM == 3
 #include <dune/subgrid/subgrid.hh>
 #endif
 
@@ -71,7 +71,7 @@ struct Grid<TypeTag, TTag::ThreeDChannelTest>
 
     using HostGrid = Dune::YaspGrid<dim, Dune::EquidistantOffsetCoordinates<GetPropType<TypeTag, Properties::Scalar>, dim> >;
 
-#if HAVE_DUNE_SUBGRID
+#if HAVE_DUNE_SUBGRID && GRID_DIM == 3
     using type = Dune::SubGrid<HostGrid::dimension, HostGrid>;
 #else
     using type = HostGrid;
-- 
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