IVGCVSW-3248 Refactor reference BatchToSpace workload

 * Add Decoders and Encoders to workload to make it data type agnostic
 * Merge float32 and Uint8 into single workload

Change-Id: I8adfa1898a63f13889eaaf55a31c26fd1e2d7ee8
Signed-off-by: Francis Murtagh <francis.murtagh@arm.com>
diff --git a/src/backends/reference/workloads/RefBatchToSpaceNdWorkload.cpp b/src/backends/reference/workloads/RefBatchToSpaceNdWorkload.cpp
new file mode 100644
index 0000000..c293066
--- /dev/null
+++ b/src/backends/reference/workloads/RefBatchToSpaceNdWorkload.cpp
@@ -0,0 +1,29 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "BatchToSpaceNd.hpp"
+#include "Profiling.hpp"
+#include "RefBatchToSpaceNdWorkload.hpp"
+#include "RefWorkloadUtils.hpp"
+
+namespace armnn
+{
+
+void RefBatchToSpaceNdWorkload::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT(Compute::CpuRef, "RefBatchToSpaceNdWorkload_Execute");
+
+    const TensorInfo& inputInfo = GetTensorInfo(m_Data.m_Inputs[0]);
+    const TensorInfo& outputInfo = GetTensorInfo(m_Data.m_Outputs[0]);
+
+    std::unique_ptr<Decoder<float>> inputDecoder  = MakeDecoder<float>(inputInfo, m_Data.m_Inputs[0]->Map());
+    std::unique_ptr<Encoder<float>> outputEncoder = MakeEncoder<float>(outputInfo, m_Data.m_Outputs[0]->Map());
+
+    BatchToSpaceNd(m_Data.m_Parameters.m_DataLayout, inputInfo, outputInfo, m_Data.m_Parameters.m_BlockShape,
+                   m_Data.m_Parameters.m_Crops, *inputDecoder, *outputEncoder);
+}
+
+
+} //namespace armnn
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