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
diff --git a/src/backends/reference/test/RefLayerTests.cpp b/src/backends/reference/test/RefLayerTests.cpp
index f5c1c65..13b3ecf 100644
--- a/src/backends/reference/test/RefLayerTests.cpp
+++ b/src/backends/reference/test/RefLayerTests.cpp
@@ -1737,4 +1737,16 @@
 ARMNN_AUTO_TEST_CASE(StackOutput5D,        StackOutput5DFloat32Test)
 ARMNN_AUTO_TEST_CASE(StackFloat16,         StackFloat16Test)
 
+// Neg
+ARMNN_AUTO_TEST_CASE(Neg2d, Neg2dTest<DataType::Float32>)
+ARMNN_AUTO_TEST_CASE(Neg3d, Neg3dTest<DataType::Float32>)
+ARMNN_AUTO_TEST_CASE(NegZero, NegZeroTest<DataType::Float32>)
+ARMNN_AUTO_TEST_CASE(NegNegative, NegNegativeTest<DataType::Float32>)
+ARMNN_AUTO_TEST_CASE(Neg2dFloat16, Neg2dTest<DataType::Float16>)
+ARMNN_AUTO_TEST_CASE(Neg3dFloat16, Neg3dTest<DataType::Float16>)
+ARMNN_AUTO_TEST_CASE(Neg2dQuantisedAsymm8, Neg2dTest<DataType::QAsymmU8>)
+ARMNN_AUTO_TEST_CASE(Neg3dQuantisedAsymm8, Neg3dTest<DataType::QAsymmU8>)
+ARMNN_AUTO_TEST_CASE(Neg2dQuantisedSymm16, Neg2dTest<DataType::QSymmS16>)
+ARMNN_AUTO_TEST_CASE(Neg3dQuantisedSymm16, Neg3dTest<DataType::QSymmS16>)
+
 BOOST_AUTO_TEST_SUITE_END()