IVGCVSW-2202 Refactoring Arithmetic* names to Elementwise* names for workloads and workload functions

Change-Id: I6f3fce12a55f7d38ceafcdfcd6b5181bf56e2c09
diff --git a/src/backends/reference/workloads/ElementwiseFunction.cpp b/src/backends/reference/workloads/ElementwiseFunction.cpp
new file mode 100644
index 0000000..bea3d2f
--- /dev/null
+++ b/src/backends/reference/workloads/ElementwiseFunction.cpp
@@ -0,0 +1,29 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "ElementwiseFunction.hpp"
+#include "Broadcast.hpp"
+#include <functional>
+
+namespace armnn
+{
+
+template <typename Functor>
+ElementwiseFunction<Functor>::ElementwiseFunction(const TensorShape& inShape0,
+                                                const TensorShape& inShape1,
+                                                const TensorShape& outShape,
+                                                const float* inData0,
+                                                const float* inData1,
+                                                float* outData)
+{
+    BroadcastLoop(inShape0, inShape1, outShape).Unroll(Functor(), 0, inData0, inData1, outData);
+}
+
+} //namespace armnn
+
+template struct armnn::ElementwiseFunction<std::plus<float>>;
+template struct armnn::ElementwiseFunction<std::minus<float>>;
+template struct armnn::ElementwiseFunction<std::multiplies<float>>;
+template struct armnn::ElementwiseFunction<std::divides<float>>;