IVGCVSW-3381 Break up LayerTests.hpp into more manageable files

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: Icf39434f09fd340ad664cb3b97b8bee6d9da4838

1 files changed, 46 insertions, 0 deletions

diff --git a/src/backends/backendsCommon/test/DataTypeUtils.hpp b/src/backends/backendsCommon/test/DataTypeUtils.hpp
new file mode 100644
index 0000000000..01c7babe24
--- /dev/null
+++ b/src/backends/backendsCommon/test/DataTypeUtils.hpp
@@ -0,0 +1,46 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <ResolveType.hpp>
+
+#include <armnn/ArmNN.hpp>
+
+#include <reference/workloads/Encoders.hpp>
+
+#include <vector>
+
+// Utility tenmplate to convert a collection of values to the correct type
+template <armnn::DataType ArmnnType, typename T = armnn::ResolveType<ArmnnType>>
+std::vector<T> ConvertToDataType(const std::vector<float>& input,
+                                 const armnn::TensorInfo& inputTensorInfo)
+{
+    std::vector<T> output(input.size());
+    auto outputTensorInfo = inputTensorInfo;
+    outputTensorInfo.SetDataType(ArmnnType);
+
+    std::unique_ptr<armnn::Encoder<float>> pOutputEncoder = armnn::MakeEncoder<float>(outputTensorInfo, output.data());
+    armnn::Encoder<float>& rOutputEncoder = *pOutputEncoder;
+
+    for (auto it = input.begin(); it != input.end(); ++it)
+    {
+        rOutputEncoder.Set(*it);
+        ++rOutputEncoder;
+    }
+    return output;
+}
+
+// Utility tenmplate to convert a single value to the correct type
+template <typename T>
+T ConvertToDataType(const float& value,
+                    const armnn::TensorInfo& tensorInfo)
+{
+    std::vector<T> output(1);
+    std::unique_ptr<armnn::Encoder<float>> pEncoder = armnn::MakeEncoder<float>(tensorInfo, output.data());
+    armnn::Encoder<float>& rEncoder = *pEncoder;
+    rEncoder.Set(value);
+    return output[0];
+}