IVGCVSW-3813 Add Unary Elementwise Operation 'NEG' support to the android-nn-driver

* Implemented ClNegWorkload
* Implemented NeonNegWorkload
* Enabled 'NEG' operator on CL and Neon as well as Ref
* Implemented unit tests for 'NEG' operator

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: I3d7a892692716636cae6bdf8ddd238e3d1ea064f

1 files changed, 174 insertions, 0 deletions

diff --git a/src/backends/backendsCommon/test/layerTests/NegTestImpl.cpp b/src/backends/backendsCommon/test/layerTests/NegTestImpl.cpp
new file mode 100644
index 0000000000..aace926dcb
--- /dev/null
+++ b/src/backends/backendsCommon/test/layerTests/NegTestImpl.cpp
@@ -0,0 +1,174 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "NegTestImpl.hpp"
+#include "ElementwiseUnaryTestImpl.hpp"
+
+
+template<armnn::DataType ArmnnType, typename T>
+LayerTestResult<T, 2> Neg2dTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager)
+{
+    const unsigned int inputShape[] = { 2, 2 };
+
+    std::vector<float> inputValues
+    {
+        1.f, 1.f,
+        2.f, 25.f
+    };
+
+    std::vector<float> expectedOutputValues
+    {
+        -1.f, -1.f,
+        -2.f, -25.f
+    };
+
+    return ElementwiseUnaryTestHelper<2, ArmnnType>(
+        workloadFactory,
+        memoryManager,
+        armnn::UnaryOperation::Neg,
+        inputShape,
+        inputValues,
+        inputShape,
+        expectedOutputValues);
+}
+
+template<armnn::DataType ArmnnType, typename T>
+LayerTestResult<T, 3> Neg3dTest(
+    armnn::IWorkloadFactory& workloadFactory,
+    const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager)
+{
+    const unsigned int inputShape[] = { 3, 1, 2 };
+
+    std::vector<float> inputValues
+    {
+        1.f, 0.f, 3.f,
+        25.f, 64.f, 100.f
+    };
+
+    std::vector<float> expectedOutputValues
+    {
+        -1.f, 0.f, -3.f,
+        -25.f, -64.f, -100.f
+    };
+
+    return ElementwiseUnaryTestHelper<3, ArmnnType>(
+        workloadFactory,
+        memoryManager,
+        armnn::UnaryOperation::Neg,
+        inputShape,
+        inputValues,
+        inputShape,
+        expectedOutputValues);
+}
+
+template<armnn::DataType ArmnnType, typename T>
+LayerTestResult<T, 2> NegZeroTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager)
+{
+    const unsigned int inputShape[] = { 1, 2 };
+
+    std::vector<float> inputValues
+    {
+        0.f, 0.f
+    };
+
+    std::vector<float> expectedOutputValues
+    {
+        0.f, 0.f
+    };
+
+    return ElementwiseUnaryTestHelper<2, ArmnnType>(
+        workloadFactory,
+        memoryManager,
+        armnn::UnaryOperation::Neg,
+        inputShape,
+        inputValues,
+        inputShape,
+        expectedOutputValues);
+}
+
+template<armnn::DataType ArmnnType, typename T>
+LayerTestResult<T, 2> NegNegativeTest(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager)
+{
+    const unsigned int inputShape[] = { 1, 2 };
+
+    std::vector<float> inputValues
+    {
+        -25.f, -16.f
+    };
+
+    std::vector<float> expectedOutputValues
+    {
+        25.f, 16.f
+    };
+
+    return ElementwiseUnaryTestHelper<2, ArmnnType>(
+        workloadFactory,
+        memoryManager,
+        armnn::UnaryOperation::Neg,
+        inputShape,
+        inputValues,
+        inputShape,
+        expectedOutputValues);
+}
+
+//
+// Explicit template specializations
+//
+
+template LayerTestResult<armnn::ResolveType<armnn::DataType::Float32>, 2>
+Neg2dTest<armnn::DataType::Float32>(
+    armnn::IWorkloadFactory& workloadFactory,
+    const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
+
+template LayerTestResult<armnn::ResolveType<armnn::DataType::Float16>, 2>
+Neg2dTest<armnn::DataType::Float16>(
+    armnn::IWorkloadFactory& workloadFactory,
+    const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
+
+template LayerTestResult<armnn::ResolveType<armnn::DataType::QAsymmU8>, 2>
+Neg2dTest<armnn::DataType::QAsymmU8>(
+    armnn::IWorkloadFactory& workloadFactory,
+    const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
+
+template LayerTestResult<armnn::ResolveType<armnn::DataType::QSymmS16>, 2>
+Neg2dTest<armnn::DataType::QSymmS16>(
+    armnn::IWorkloadFactory& workloadFactory,
+    const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
+
+template LayerTestResult<armnn::ResolveType<armnn::DataType::Float32>, 3>
+Neg3dTest<armnn::DataType::Float32>(
+    armnn::IWorkloadFactory& workloadFactory,
+    const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
+
+template LayerTestResult<armnn::ResolveType<armnn::DataType::Float16>, 3>
+Neg3dTest<armnn::DataType::Float16>(
+    armnn::IWorkloadFactory& workloadFactory,
+    const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
+
+template LayerTestResult<armnn::ResolveType<armnn::DataType::QAsymmU8>, 3>
+Neg3dTest<armnn::DataType::QAsymmU8>(
+    armnn::IWorkloadFactory& workloadFactory,
+    const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
+
+template LayerTestResult<armnn::ResolveType<armnn::DataType::QSymmS16>, 3>
+Neg3dTest<armnn::DataType::QSymmS16>(
+    armnn::IWorkloadFactory& workloadFactory,
+    const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
+
+template LayerTestResult<armnn::ResolveType<armnn::DataType::Float32>, 2>
+NegZeroTest<armnn::DataType::Float32>(
+    armnn::IWorkloadFactory& workloadFactory,
+    const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
+
+template LayerTestResult<armnn::ResolveType<armnn::DataType::Float32>, 2>
+NegNegativeTest<armnn::DataType::Float32>(
+    armnn::IWorkloadFactory& workloadFactory,
+    const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
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