Add fp16 support for dequantize

* Changed RefDequantizeWorkload to use Encoder/Decoder
* Added related unit tests for Cl, Neon and Ref

Signed-off-by: Jan Eilers <jan.eilers@arm.com>
Change-Id: Ic2fd4103090dd2127c6859b49305736f7b2dfb05

1 files changed, 29 insertions, 0 deletions

diff --git a/src/backends/reference/workloads/Dequantize.cpp b/src/backends/reference/workloads/Dequantize.cpp
new file mode 100644
index 0000000000..fafc03e69b
--- /dev/null
+++ b/src/backends/reference/workloads/Dequantize.cpp
@@ -0,0 +1,29 @@
+//
+// Copyright © 2019 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "Dequantize.hpp"
+
+namespace armnn
+{
+
+void Dequantize(Decoder<float>& inputDecoder,
+                Encoder<float>& outputEncoder,
+                const TensorInfo& inputInfo,
+                const TensorInfo& outputInfo)
+{
+    BOOST_ASSERT(inputInfo.GetNumElements() == outputInfo.GetNumElements());
+    for (unsigned int i = 0; i < inputInfo.GetNumElements(); i++)
+    {
+        // inputDecoder.Get() dequantizes the data element from whatever
+        // type is given by inputInfo to fp32 (If MakeDecoder supports that dequantization)
+        // outputEncoder.Set() transforms the data element to whatever type is
+        // given by outputInfo (if MakeEncoder supports that transformation)
+        outputEncoder.Set(inputDecoder.Get());
+        ++outputEncoder;
+        ++inputDecoder;
+    }
+}
+
+} // armnn namespace
\ No newline at end of file