IVGCVSW-4624 Add a RANK Reference Implementation

 * Add Rank front end
 * Add Rank reference implementation
 * Add Rank serialization support
 * Add Scalar serialization support

Signed-off-by: Finn Williams <Finn.Williams@arm.com>
Change-Id: I06e4a468c2a84e79bae2e6c5348596bbbf853b4b

3 files changed, 36 insertions, 2 deletions

diff --git a/src/backends/reference/workloads/CMakeLists.txt b/src/backends/reference/workloads/CMakeLists.txt
index d51db365cc..937a32029e 100644
--- a/src/backends/reference/workloads/CMakeLists.txt
+++ b/src/backends/reference/workloads/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright © 2017 Arm Ltd. All rights reserved.
+# Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
 # SPDX-License-Identifier: MIT
 #
 
@@ -129,6 +129,7 @@ list(APPEND armnnRefBackendWorkloads_sources
     RefQuantizeWorkload.hpp
     RefQLstmWorkload.cpp
     RefQLstmWorkload.hpp
+    RefRankWorkload.hpp
     RefReshapeWorkload.cpp
     RefReshapeWorkload.hpp
     RefResizeBilinearWorkload.cpp
diff --git a/src/backends/reference/workloads/RefRankWorkload.hpp b/src/backends/reference/workloads/RefRankWorkload.hpp
new file mode 100644
index 0000000000..780d3be533
--- /dev/null
+++ b/src/backends/reference/workloads/RefRankWorkload.hpp
@@ -0,0 +1,32 @@
+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <backendsCommon/Workload.hpp>
+#include <backendsCommon/WorkloadData.hpp>
+
+#include "RefWorkloadUtils.hpp"
+
+namespace armnn
+{
+
+struct RefRankWorkload : public BaseWorkload<RankQueueDescriptor>
+{
+public:
+    using BaseWorkload<RankQueueDescriptor>::BaseWorkload;
+    virtual void Execute() const override
+    {
+        const int32_t rank = static_cast<int32_t>(GetTensorInfo(m_Data.m_Inputs[0]).GetNumDimensions());
+
+        std::memcpy(GetOutputTensorData<void>(0, m_Data), &rank, sizeof(int32_t));
+    }
+};
+
+} //namespace armnn
+
+
+
+
diff --git a/src/backends/reference/workloads/RefWorkloads.hpp b/src/backends/reference/workloads/RefWorkloads.hpp
index 951e3a1e29..fc47cff84f 100644
--- a/src/backends/reference/workloads/RefWorkloads.hpp
+++ b/src/backends/reference/workloads/RefWorkloads.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2017 Arm Ltd. All rights reserved.
+// Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -51,6 +51,7 @@
 #include "RefPreluWorkload.hpp"
 #include "RefQLstmWorkload.hpp"
 #include "RefQuantizeWorkload.hpp"
+#include "RefRankWorkload.hpp"
 #include "RefReshapeWorkload.hpp"
 #include "RefResizeBilinearWorkload.hpp"
 #include "RefResizeWorkload.hpp"