Add Quantize Support to TOSA Ref Backend

* Adding a one to many tosa mapping for Quantize
* Added tests

* Resolves IVGCVSW-7175


Signed-off-by: John Mcloughlin <john.mcloughlin@arm.com>
Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Change-Id: Ia0852fefb618b4a29c2601b9de8b6b2731229801
diff --git a/src/backends/tosaReference/test/TosaRefEndToEndTests.cpp b/src/backends/tosaReference/test/TosaRefEndToEndTests.cpp
index 05d4114..914df76 100644
--- a/src/backends/tosaReference/test/TosaRefEndToEndTests.cpp
+++ b/src/backends/tosaReference/test/TosaRefEndToEndTests.cpp
@@ -12,6 +12,7 @@
 #include "backendsCommon/test/ElementwiseUnaryEndToEndTestImpl.hpp"
 #include "backendsCommon/test/MultiplicationEndToEndTestImpl.hpp"
 #include "backendsCommon/test/Pooling2dEndToEndTestImpl.hpp"
+#include "backendsCommon/test/QuantizationEndToEndTestImpl.hpp"
 #include "backendsCommon/test/ReshapeEndToEndTestImpl.hpp"
 #include "backendsCommon/test/ResizeEndToEndTestImpl.hpp"
 #include "backendsCommon/test/SliceEndToEndTestImpl.hpp"
@@ -133,6 +134,37 @@
     MaxPool2dEndToEnd<DataType::Float32>(tosaDefaultBackends, PaddingMethod::IgnoreValue);
 }
 
+// Quantization
+TEST_CASE("TosaRefQuantizeFromFloat32ToInt8")
+{
+    QuantizationEndToEndFloat32<DataType::QAsymmS8>(tosaDefaultBackends);
+}
+
+TEST_CASE("TosaRefQuantizeFromFloat32ToInt16")
+{
+    QuantizationEndToEndFloat32<DataType::QSymmS16>(tosaDefaultBackends);
+}
+
+TEST_CASE("TosaRefQuantizeFromFloat32ToInt32")
+{
+    QuantizationEndToEndFloat32<DataType::Signed32>(tosaDefaultBackends);
+}
+
+TEST_CASE("TosaRefQuantizeFromFloat16ToInt8")
+{
+    QuantizationEndToEndFloat16<DataType::QAsymmS8>(tosaDefaultBackends);
+}
+
+TEST_CASE("TosaRefQuantizeFromFloat16ToInt16")
+{
+    QuantizationEndToEndFloat16<DataType::QSymmS16>(tosaDefaultBackends);
+}
+
+TEST_CASE("TosaRefQuantizeFromFloat16ToInt32")
+{
+    QuantizationEndToEndFloat16<DataType::Signed32>(tosaDefaultBackends);
+}
+
 // Reshape
 TEST_CASE("TosaRefReshapeEndtoEndTestFloat32")
 {