IVGCVSW-2862 Extend the Elementwise Workload to support QSymm16 Data Type

IVGCVSW-2863 Unit test per Elementwise operator with QSymm16 Data Type
 * Added QSymm16 support for Elementwise Operators
 * Added QSymm16 unit tests for Elementwise Operators

Change-Id: I4e4e2938f9ed2cbbb1f05fb0f7dc476768550277
Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/src/backends/reference/workloads/BaseIterator.hpp b/src/backends/reference/workloads/BaseIterator.hpp
index cfa8ce7e91..95c75a576a 100644
--- a/src/backends/reference/workloads/BaseIterator.hpp
+++ b/src/backends/reference/workloads/BaseIterator.hpp
@@ -112,6 +112,22 @@ public:
     }
 };
 
+class QSymm16Decoder : public TypedIterator<const int16_t, Decoder>
+{
+public:
+    QSymm16Decoder(const int16_t* data, const float scale, const int32_t offset)
+        : TypedIterator(data), m_Scale(scale), m_Offset(offset) {}
+
+    float Get() const override
+    {
+        return armnn::Dequantize(*m_Iterator, m_Scale, m_Offset);
+    }
+
+private:
+    const float m_Scale;
+    const int32_t m_Offset;
+};
+
 class FloatEncoder : public TypedIterator<float, Encoder>
 {
 public:
@@ -152,4 +168,20 @@ public:
     }
 };
 
+class QSymm16Encoder : public TypedIterator<int16_t, Encoder>
+{
+public:
+    QSymm16Encoder(int16_t* data, const float scale, const int32_t offset)
+        : TypedIterator(data), m_Scale(scale), m_Offset(offset) {}
+
+    void Set(const float& right) override
+    {
+        *m_Iterator = armnn::Quantize<int16_t>(right, m_Scale, m_Offset);
+    }
+
+private:
+    const float m_Scale;
+    const int32_t m_Offset;
+};
+
 } //namespace armnn
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