From 4a5195e7a57bd4760cd2a7e600ecb63932ea216f Mon Sep 17 00:00:00 2001
From: Tobias Ribizel <ribizel@kit.edu>
Date: Mon, 7 Nov 2022 13:15:06 +0100
Subject: [PATCH 1/2] fix unused function warning

---
 cuda/test/base/CMakeLists.txt                      | 2 +-
 cuda/test/base/{index_set.cu => index_set.cpp}     | 9 ---------
 hip/test/base/CMakeLists.txt                       | 2 +-
 hip/test/base/{index_set.hip.cpp => index_set.cpp} | 9 ---------
 4 files changed, 2 insertions(+), 20 deletions(-)
 rename cuda/test/base/{index_set.cu => index_set.cpp} (93%)
 rename hip/test/base/{index_set.hip.cpp => index_set.cpp} (93%)

diff --git a/cuda/test/base/CMakeLists.txt b/cuda/test/base/CMakeLists.txt
index 7b0cd28436c..9be3caf9faa 100644
--- a/cuda/test/base/CMakeLists.txt
+++ b/cuda/test/base/CMakeLists.txt
@@ -1,6 +1,6 @@
 ginkgo_create_cuda_test(array)
 ginkgo_create_cuda_test(cuda_executor)
-ginkgo_create_cuda_test(index_set)
+ginkgo_create_test(index_set)
 ginkgo_create_test(cuda_executor_reset ADDITIONAL_LIBRARIES Threads::Threads)
 if(GINKGO_HAVE_HWLOC)
     find_package(NUMA REQUIRED)
diff --git a/cuda/test/base/index_set.cu b/cuda/test/base/index_set.cpp
similarity index 93%
rename from cuda/test/base/index_set.cu
rename to cuda/test/base/index_set.cpp
index c5c09d2e3d9..fe812003113 100644
--- a/cuda/test/base/index_set.cu
+++ b/cuda/test/base/index_set.cpp
@@ -81,15 +81,6 @@ class index_set : public ::testing::Test {
         }
     }
 
-    static void assert_equal_arrays(const T num_elems, const T* a, const T* b)
-    {
-        if (num_elems > 0) {
-            for (auto i = 0; i < num_elems; ++i) {
-                EXPECT_EQ(a[i], b[i]);
-            }
-        }
-    }
-
     std::shared_ptr<const gko::Executor> exec;
     std::shared_ptr<gko::CudaExecutor> cuda;
 };
diff --git a/hip/test/base/CMakeLists.txt b/hip/test/base/CMakeLists.txt
index 91dd4209d5d..7ed0d2ceb52 100644
--- a/hip/test/base/CMakeLists.txt
+++ b/hip/test/base/CMakeLists.txt
@@ -1,5 +1,5 @@
 ginkgo_create_hip_test(hip_executor)
-ginkgo_create_hip_test(index_set)
+ginkgo_create_test(index_set)
 ginkgo_create_test(hip_executor_reset ADDITIONAL_LIBRARIES Threads::Threads)
 if(GINKGO_HAVE_HWLOC)
     find_package(NUMA REQUIRED)
diff --git a/hip/test/base/index_set.hip.cpp b/hip/test/base/index_set.cpp
similarity index 93%
rename from hip/test/base/index_set.hip.cpp
rename to hip/test/base/index_set.cpp
index 0e5e024031d..dda52d2bd55 100644
--- a/hip/test/base/index_set.hip.cpp
+++ b/hip/test/base/index_set.cpp
@@ -81,15 +81,6 @@ class index_set : public ::testing::Test {
         }
     }
 
-    static void assert_equal_arrays(const T num_elems, const T* a, const T* b)
-    {
-        if (num_elems > 0) {
-            for (auto i = 0; i < num_elems; ++i) {
-                EXPECT_EQ(a[i], b[i]);
-            }
-        }
-    }
-
     std::shared_ptr<const gko::Executor> exec;
     std::shared_ptr<gko::HipExecutor> hip;
 };

From f217d5170a41cfe95dea13bd78773014f159cff8 Mon Sep 17 00:00:00 2001
From: Tobias Ribizel <ribizel@kit.edu>
Date: Mon, 7 Nov 2022 13:16:04 +0100
Subject: [PATCH 2/2] disable obsolete Doxygen option

CLASS_DIAGRAMS is obsolete and has been replaced by CLASS_GRAPH,
which was available since forever.
---
 doc/conf/Doxyfile-pdf.in | 1 -
 doc/conf/Doxyfile.in     | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/doc/conf/Doxyfile-pdf.in b/doc/conf/Doxyfile-pdf.in
index 9f7f3bf94cf..21d54095a2d 100644
--- a/doc/conf/Doxyfile-pdf.in
+++ b/doc/conf/Doxyfile-pdf.in
@@ -24,7 +24,6 @@ LATEX_TIMESTAMP        = NO
 PREDEFINED = @default_predefined_macros@ protected=private
 
 # hide all unnecessary graphs
-CLASS_DIAGRAMS         = NO
 CLASS_GRAPH            = NO
 COLLABORATION_GRAPH    = NO
 GROUP_GRAPHS           = NO
diff --git a/doc/conf/Doxyfile.in b/doc/conf/Doxyfile.in
index 9ad1631bf8a..2572ed4fd68 100644
--- a/doc/conf/Doxyfile.in
+++ b/doc/conf/Doxyfile.in
@@ -82,8 +82,7 @@ ALLEXTERNALS           = NO
 EXTERNAL_GROUPS        = YES
 
 # Graph generation
-CLASS_DIAGRAMS         = YES
-CLASS_GRAPH            = NO
+CLASS_GRAPH            = YES
 COLLABORATION_GRAPH    = YES
 GROUP_GRAPHS           = YES
 GRAPHICAL_HIERARCHY    = YES