IVGCVSW-7400 POW IVGCVSW-7278 SQUARED_DIFFERENCE.

* Added 2 new operators as ElementWiseBinary ops
* Ref End to End and unit tests
* Serialize and Deserialize tests
* Delegate and Opaque Delegate tests
* TfLite Parser tests

Signed-off-by: John Mcloughlin <john.mcloughlin@arm.com>
Change-Id: I537158127f602f0c41ca0402aa31655cd3bd4281
diff --git a/src/backends/reference/workloads/Power.hpp b/src/backends/reference/workloads/Power.hpp
new file mode 100644
index 0000000..744328e
--- /dev/null
+++ b/src/backends/reference/workloads/Power.hpp
@@ -0,0 +1,27 @@
+//
+// Copyright © 2023 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <iostream>
+
+namespace armnn
+{
+
+template<typename T>
+struct power
+{
+    typedef T result_type;
+    typedef T first_argument_type;
+
+    T
+    operator()(const T& input1, const T& input2) const
+    {
+        T power = armnn::numeric_cast<T>(std::pow(static_cast<float>(input1), static_cast<float>(input2)));
+        return power;
+    }
+};
+
+} //namespace armnn