COMPMID-3046: Add CLRequantizationLayerKernel

Change-Id: I034f5aa023642f2323372495ddd14fc62b4c12e0
Signed-off-by: Manuel Bottini <manuel.bottini@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/2681
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/CL/QuantizationLayer.cpp b/tests/validation/CL/QuantizationLayer.cpp
index e9544fd..e3f47f9 100644
--- a/tests/validation/CL/QuantizationLayer.cpp
+++ b/tests/validation/CL/QuantizationLayer.cpp
@@ -42,9 +42,12 @@
 {
 namespace
 {
-constexpr AbsoluteTolerance<float> tolerance_f32(1.0f); /**< Tolerance value for comparing reference's output against implementation's output for floating point data types */
-const auto                         QuantizationSmallShapes = concat(datasets::Small3DShapes(), datasets::Small4DShapes());
-const auto                         QuantizationLargeShapes = concat(datasets::Large3DShapes(), datasets::Large4DShapes());
+constexpr AbsoluteTolerance<float>    tolerance_f32(1.0f); /**< Tolerance value for comparing reference's output against implementation's output for floating point data types */
+constexpr AbsoluteTolerance<uint8_t>  tolerance_u8(1);     /**< Tolerance value for comparing reference's output against implementation's output for QASYMM8 data types */
+constexpr AbsoluteTolerance<int8_t>   tolerance_s8(1);     /**< Tolerance value for comparing reference's output against implementation's output for QASYMM8_SIGNED data types */
+constexpr AbsoluteTolerance<uint16_t> tolerance_u16(1);    /**< Tolerance value for comparing reference's output against implementation's output for QASYMM16 data types */
+const auto                            QuantizationSmallShapes = concat(datasets::Small3DShapes(), datasets::Small4DShapes());
+const auto                            QuantizationLargeShapes = concat(datasets::Large3DShapes(), datasets::Large4DShapes());
 } // namespace
 
 TEST_SUITE(CL)
@@ -53,7 +56,7 @@
 // *INDENT-OFF*
 // clang-format off
 DATA_TEST_CASE(Validate, framework::DatasetMode::ALL, zip(zip(
-               framework::dataset::make("InputInfo", { TensorInfo(TensorShape(16U, 16U, 16U, 5U), 1, DataType::QASYMM8),  // Wrong input data type
+               framework::dataset::make("InputInfo", { TensorInfo(TensorShape(16U, 16U, 16U, 5U), 1, DataType::QASYMM8),  // Wrong output data type
                                                        TensorInfo(TensorShape(16U, 16U, 16U, 5U), 1, DataType::F32), // Wrong output data type
                                                        TensorInfo(TensorShape(16U, 16U, 2U, 5U), 1, DataType::F32),   // Mismatching shapes
                                                        TensorInfo(TensorShape(16U, 16U, 16U, 5U), 1, DataType::F32), // Valid
@@ -125,7 +128,7 @@
                        framework::dataset::make("QuantizationInfo", { QuantizationInfo(0.5f, 10) })))
 {
     // Validate output
-    validate(CLAccessor(_target), _reference, tolerance_f32);
+    validate(CLAccessor(_target), _reference, tolerance_u16);
 }
 FIXTURE_DATA_TEST_CASE(RunLargeQASYMM8, CLQuantizationLayerQASYMM8Fixture<float>, framework::DatasetMode::NIGHTLY, combine(combine(combine(QuantizationLargeShapes,
                        framework::dataset::make("DataTypeIn", DataType::F32)),
@@ -141,7 +144,7 @@
                        framework::dataset::make("QuantizationInfo", { QuantizationInfo(0.5f, 10) })))
 {
     // Validate output
-    validate(CLAccessor(_target), _reference, tolerance_f32);
+    validate(CLAccessor(_target), _reference, tolerance_u16);
 }
 TEST_SUITE_END() // FP32
 
@@ -165,6 +168,64 @@
 TEST_SUITE_END() // FP16
 TEST_SUITE_END() // Float
 
+TEST_SUITE(Quantized)
+template <typename T>
+using CLQuantizationLayerQASYMM8GenFixture = QuantizationValidationGenericFixture<CLTensor, CLAccessor, CLQuantizationLayer, T, uint8_t>;
+template <typename T>
+using CLQuantizationLayerQASYMM8_SIGNEDGenFixture = QuantizationValidationGenericFixture<CLTensor, CLAccessor, CLQuantizationLayer, T, int8_t>;
+template <typename T>
+using CLQuantizationLayerQASYMM16GenFixture = QuantizationValidationGenericFixture<CLTensor, CLAccessor, CLQuantizationLayer, T, uint16_t>;
+TEST_SUITE(QASYMM8)
+FIXTURE_DATA_TEST_CASE(RunSmallQASYMM8, CLQuantizationLayerQASYMM8GenFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(combine(combine(QuantizationSmallShapes,
+                       framework::dataset::make("DataType", DataType::QASYMM8)),
+                       framework::dataset::make("DataTypeOut", { DataType::QASYMM8 })),
+                       framework::dataset::make("QuantizationInfoOutput", { QuantizationInfo(0.5f, 10) })),
+                       framework::dataset::make("QuantizationInfoInput", { QuantizationInfo(2.0f, 15) })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, tolerance_u8);
+}
+FIXTURE_DATA_TEST_CASE(RunSmallQASYMM8_SIGNED, CLQuantizationLayerQASYMM8_SIGNEDGenFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(combine(combine(QuantizationSmallShapes,
+                       framework::dataset::make("DataTypeIn", DataType::QASYMM8)),
+                       framework::dataset::make("DataTypeOut", { DataType::QASYMM8_SIGNED })),
+                       framework::dataset::make("QuantizationInfoOutput", { QuantizationInfo(1.0f, 10) })),
+                       framework::dataset::make("QuantizationInfoInput", { QuantizationInfo(1.0f, 15) })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, tolerance_s8);
+}
+FIXTURE_DATA_TEST_CASE(RunSmallQASYMM16, CLQuantizationLayerQASYMM16GenFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(combine(combine(QuantizationSmallShapes,
+                       framework::dataset::make("DataTypeIn", DataType::QASYMM8)),
+                       framework::dataset::make("DataTypeOut", { DataType::QASYMM16 })),
+                       framework::dataset::make("QuantizationInfoOutput", { QuantizationInfo(1.0f, 10) })),
+                       framework::dataset::make("QuantizationInfoInput", { QuantizationInfo(4.0f, 23) })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, tolerance_u16);
+}
+TEST_SUITE_END() // QASYMM8
+TEST_SUITE(QASYMM8_SIGNED)
+FIXTURE_DATA_TEST_CASE(RunSmallQASYMM8_SIGNED, CLQuantizationLayerQASYMM8_SIGNEDGenFixture<int8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(combine(combine(QuantizationSmallShapes,
+                       framework::dataset::make("DataTypeIn", DataType::QASYMM8_SIGNED)),
+                       framework::dataset::make("DataTypeOut", { DataType::QASYMM8_SIGNED })),
+                       framework::dataset::make("QuantizationInfoOutput", { QuantizationInfo(1.0f, 10) })),
+                       framework::dataset::make("QuantizationInfoInput", { QuantizationInfo(2.0f, 5) })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, tolerance_s8);
+}
+FIXTURE_DATA_TEST_CASE(RunSmallQASYMM8, CLQuantizationLayerQASYMM8GenFixture<int8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(combine(combine(QuantizationSmallShapes,
+                       framework::dataset::make("DataType", DataType::QASYMM8_SIGNED)),
+                       framework::dataset::make("DataTypeOut", { DataType::QASYMM8 })),
+                       framework::dataset::make("QuantizationInfo", { QuantizationInfo(2.0f, 10) })),
+                       framework::dataset::make("QuantizationInfo", { QuantizationInfo(1.0f, 30) })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, tolerance_u8);
+}
+TEST_SUITE_END() // QASYMM8_SIGNED
+TEST_SUITE_END() // Quantized
+
 TEST_SUITE_END() // QuantizationLayer
 TEST_SUITE_END() // CL
 } // namespace validation