IVGCVSW-4483 Remove boost::polymorphic_downcast

 * exchange boost::polymorphic_downcast with armnn::PolymorphicDowncast
 * remove unnecessary includes of boost::polymorphic_downcast

Signed-off-by: Jan Eilers <jan.eilers@arm.com>
Change-Id: Ie603fb82860fe05fee547dc78073230cc62b2e1f

1 files changed, 5 insertions, 4 deletions

diff --git a/src/armnn/NetworkQuantizer.cpp b/src/armnn/NetworkQuantizer.cpp
index d55fca68b5..3712c7be3a 100644
--- a/src/armnn/NetworkQuantizer.cpp
+++ b/src/armnn/NetworkQuantizer.cpp
@@ -21,6 +21,7 @@
 #include <armnn/Types.hpp>
 
 #include <armnnUtils/TensorUtils.hpp>
+#include <armnn/utility/PolymorphicDowncast.hpp>
 
 #include <boost/variant.hpp>
 
@@ -44,12 +45,12 @@ INetworkQuantizerPtr INetworkQuantizer::Create(INetwork* inputNetwork, const Qua
 
 void INetworkQuantizer::Destroy(INetworkQuantizer *quantizer)
 {
-    delete boost::polymorphic_downcast<NetworkQuantizer*>(quantizer);
+    delete PolymorphicDowncast<NetworkQuantizer*>(quantizer);
 }
 
 void NetworkQuantizer::OverrideInputRange(LayerBindingId layerId, float min, float max)
 {
-    const Graph& graph = boost::polymorphic_downcast<const Network*>(m_InputNetwork)->GetGraph();
+    const Graph& graph = PolymorphicDowncast<const Network*>(m_InputNetwork)->GetGraph();
     auto inputLayers = graph.GetInputLayers();
 
     // Walk the input layers of the graph and override the quantization parameters of the one with the given id
@@ -68,7 +69,7 @@ void NetworkQuantizer::Refine(const InputTensors& inputTensors)
     {
         m_RefineCount = 0;
         m_Ranges.SetDynamicMode(true);
-        const Graph& cGraph = boost::polymorphic_downcast<const Network*>(m_InputNetwork)->GetGraph().TopologicalSort();
+        const Graph& cGraph = PolymorphicDowncast<const Network*>(m_InputNetwork)->GetGraph().TopologicalSort();
 
         // need to insert Debug layers in the DynamicQuantizationVisitor
         Graph& graph = const_cast<Graph&>(cGraph);
@@ -135,7 +136,7 @@ void NetworkQuantizer::Refine(const InputTensors& inputTensors)
 
 INetworkPtr NetworkQuantizer::ExportNetwork()
 {
-    const Graph& graph = boost::polymorphic_downcast<const Network*>(m_InputNetwork)->GetGraph().TopologicalSort();
+    const Graph& graph = PolymorphicDowncast<const Network*>(m_InputNetwork)->GetGraph().TopologicalSort();
 
     // Step 1) Walk the graph and populate default min/max values for
     // intermediate tensors, only if Runtime does not exist (created