IVGCVSW-4620 Add Fill Reference Implementation

 * Add Fill Reference Implementation
 * Refactor FP converter to use static_cast

Signed-off-by: Ryan OShea <Ryan.OShea2@arm.com>
Signed-off-by: Keith Davis <keith.davis@arm.com>
Change-Id: I532e2f982981d047690755fac43a0e9cf8b17dcd
diff --git a/src/armnnUtils/FloatingPointConverter.cpp b/src/armnnUtils/FloatingPointConverter.cpp
index 5d89a25..8123cf3 100644
--- a/src/armnnUtils/FloatingPointConverter.cpp
+++ b/src/armnnUtils/FloatingPointConverter.cpp
@@ -20,7 +20,7 @@
     ARMNN_ASSERT(srcFloat32Buffer != nullptr);
     ARMNN_ASSERT(dstFloat16Buffer != nullptr);
 
-    armnn::Half* pHalf = reinterpret_cast<armnn::Half*>(dstFloat16Buffer);
+    armnn::Half* pHalf = static_cast<armnn::Half*>(dstFloat16Buffer);
 
     for (size_t i = 0; i < numElements; i++)
     {
@@ -35,7 +35,7 @@
     ARMNN_ASSERT(srcFloat16Buffer != nullptr);
     ARMNN_ASSERT(dstFloat32Buffer != nullptr);
 
-    const armnn::Half* pHalf = reinterpret_cast<const armnn::Half*>(srcFloat16Buffer);
+    const armnn::Half* pHalf = static_cast<const armnn::Half*>(srcFloat16Buffer);
 
     for (size_t i = 0; i < numElements; i++)
     {
@@ -50,7 +50,7 @@
     ARMNN_ASSERT(srcFloat32Buffer != nullptr);
     ARMNN_ASSERT(dstBFloat16Buffer != nullptr);
 
-    armnn::BFloat16* bf16 = reinterpret_cast<armnn::BFloat16*>(dstBFloat16Buffer);
+    armnn::BFloat16* bf16 = static_cast<armnn::BFloat16*>(dstBFloat16Buffer);
 
     for (size_t i = 0; i < numElements; i++)
     {
@@ -65,7 +65,7 @@
     ARMNN_ASSERT(srcBFloat16Buffer != nullptr);
     ARMNN_ASSERT(dstFloat32Buffer != nullptr);
 
-    const armnn::BFloat16* bf16 = reinterpret_cast<const armnn::BFloat16*>(srcBFloat16Buffer);
+    const armnn::BFloat16* bf16 = static_cast<const armnn::BFloat16*>(srcBFloat16Buffer);
 
     for (size_t i = 0; i < numElements; i++)
     {