IVGCVSW-1783 refactor add/mul/div layers

Change-Id: Ic043030455b3cf8ad7f92fd0a75175c1827a95f4

1 files changed, 26 insertions, 0 deletions

diff --git a/src/armnn/layers/ArithmeticBaseLayer.hpp b/src/armnn/layers/ArithmeticBaseLayer.hpp
new file mode 100644
index 0000000000..eee612add4
--- /dev/null
+++ b/src/armnn/layers/ArithmeticBaseLayer.hpp
@@ -0,0 +1,26 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// See LICENSE file in the project root for full license information.
+//
+#pragma once
+
+#include <Layer.hpp>
+
+namespace armnn
+{
+
+/// NOTE: this is an abstract class, it does not implement:
+///  std::unique_ptr<IWorkload> Layer::CreateWorkload(const Graph& graph, const IWorkloadFactory& factory) const = 0;
+///  Layer* Clone(Graph& graph) const = 0;
+class ArithmeticBaseLayer : public Layer
+{
+public:
+    void ValidateTensorShapesFromInputs() override;
+    std::vector<TensorShape> InferOutputShapes(const std::vector<TensorShape>& inputShapes) const override;
+
+protected:
+    ArithmeticBaseLayer(unsigned int numInputSlots, unsigned int numOutputSlots, LayerType type, const char* name);
+    ~ArithmeticBaseLayer() = default;
+};
+
+} // namespace