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

1 files changed, 34 insertions, 0 deletions

diff --git a/src/armnn/layers/RankLayer.hpp b/src/armnn/layers/RankLayer.hpp
new file mode 100644
index 0000000000..e160d60354
--- /dev/null
+++ b/src/armnn/layers/RankLayer.hpp
@@ -0,0 +1,34 @@
+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <Layer.hpp>
+
+namespace armnn
+{
+
+class RankLayer : public Layer
+{
+    public:
+        /// Makes a workload for the Rank type.
+        /// @param [in] factory The workload factory which will create the workload.
+        /// @return A pointer to the created workload, or nullptr if not created.
+        virtual std::unique_ptr<IWorkload> CreateWorkload(const IWorkloadFactory& factory) const override;
+
+        Layer* Clone(Graph& graph) const override;
+
+        void ValidateTensorShapesFromInputs(ShapeInferenceMethod shapeInferenceMethod) override;
+
+        void Accept(ILayerVisitor& visitor) const override;
+
+    protected:
+        RankLayer(const char* name);
+        ~RankLayer() = default;
+};
+
+} //namespace armnn
+
+