IVGCVSW-5410 Add front-end support for CAST

IVGCVSW-5415 Add TfLiteParser support for CAST

 * Added front end support for CAST, including support in the
Reference workload, Serialization, Deserializtion, Unit tests, and
TfLiteParser.

Signed-off-by: mathad01 <matthew.haddon@arm.com>
Change-Id: Iaf670ca5912a21ed6bc84f7f83a68b42154846bb

1 files changed, 84 insertions, 0 deletions

diff --git a/src/backends/backendsCommon/test/layerTests/CastTestImpl.hpp b/src/backends/backendsCommon/test/layerTests/CastTestImpl.hpp
new file mode 100644
index 0000000000..bf8d5a4e24
--- /dev/null
+++ b/src/backends/backendsCommon/test/layerTests/CastTestImpl.hpp
@@ -0,0 +1,84 @@
+//
+// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include "LayerTestResult.hpp"
+
+#include <ResolveType.hpp>
+
+#include <armnn/backends/IBackendInternal.hpp>
+#include <backendsCommon/WorkloadFactory.hpp>
+#include <Half.hpp>
+
+template<armnn::DataType inputDataType, armnn::DataType outputDataType,
+        typename TInput=armnn::ResolveType<inputDataType>,
+        typename TOutput=armnn::ResolveType<outputDataType>>
+LayerTestResult<TOutput, 4> CastTest(armnn::IWorkloadFactory& workloadFactory,
+                                     const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+                                     const armnn::ITensorHandleFactory& tensorHandleFactory,
+                                     const std::vector<TInput>& inputTensor,
+                                     const std::vector<TOutput>& outputTensor);
+
+
+LayerTestResult<float, 4> CastInt32ToFloat2dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+        const armnn::ITensorHandleFactory& tensorHandleFactory);
+
+LayerTestResult<float, 4> CastInt16ToFloat2dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+        const armnn::ITensorHandleFactory& tensorHandleFactory);
+
+LayerTestResult<float, 4> CastInt8ToFloat2dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+        const armnn::ITensorHandleFactory& tensorHandleFactory);
+
+LayerTestResult<float, 4> CastInt8AsymmToFloat2dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+        const armnn::ITensorHandleFactory& tensorHandleFactory);
+
+LayerTestResult<float, 4> CastUInt8ToFloat2dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+        const armnn::ITensorHandleFactory& tensorHandleFactory);
+
+LayerTestResult<uint8_t, 4> CastInt8ToUInt82dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+        const armnn::ITensorHandleFactory& tensorHandleFactory);
+
+LayerTestResult<uint8_t, 4> CastInt8AsymmToUInt82dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+        const armnn::ITensorHandleFactory& tensorHandleFactory);
+
+LayerTestResult<float, 4> CastFloat16ToFloat322dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+        const armnn::ITensorHandleFactory& tensorHandleFactory);
+
+LayerTestResult<float, 4> CastBFloat16ToFloat322dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+        const armnn::ITensorHandleFactory& tensorHandleFactory);
+
+LayerTestResult<armnn::Half, 4> CastFloat32ToFloat162dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+        const armnn::ITensorHandleFactory& tensorHandleFactory);
+
+LayerTestResult<int8_t , 4> CastFloat32ToInt82dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+        const armnn::ITensorHandleFactory& tensorHandleFactory);
+
+LayerTestResult<uint8_t , 4> CastFloat32ToUInt82dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
+        const armnn::ITensorHandleFactory& tensorHandleFactory);