IVGCVSW-4200 Add CL EXP Workload
IVGCVSW-4203 Add Neon EXP Workload

* Added CL EXP operator workload
* Added EXP test suite
* Enabled EXP tests on ACL and Ref

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: I793d31af1b2e3fe86b0bec6d9e5de503c5dab970
diff --git a/src/backends/cl/workloads/ClExpWorkload.hpp b/src/backends/cl/workloads/ClExpWorkload.hpp
new file mode 100644
index 0000000..c35aebb
--- /dev/null
+++ b/src/backends/cl/workloads/ClExpWorkload.hpp
@@ -0,0 +1,28 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <backendsCommon/Workload.hpp>
+
+#include <arm_compute/core/Error.h>
+#include <arm_compute/runtime/CL/functions/CLElementWiseUnaryLayer.h>
+
+namespace armnn
+{
+
+arm_compute::Status ClExpWorkloadValidate(const TensorInfo& input, const TensorInfo& output);
+
+class ClExpWorkload : public BaseWorkload<ElementwiseUnaryQueueDescriptor>
+{
+public:
+    ClExpWorkload(const ElementwiseUnaryQueueDescriptor& descriptor, const WorkloadInfo& info);
+    virtual void Execute() const override;
+
+private:
+    mutable arm_compute::CLExpLayer m_ExpLayer;
+};
+
+} // namespace armnn