COMPMID-556: Added a rounding policy to the quantize function

Change-Id: I6272a36636c5d9baff6d35dee0a50dc847f65bfa
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/110266
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/src/runtime/CL/functions/CLPoolingLayer.cpp b/src/runtime/CL/functions/CLPoolingLayer.cpp
index ac360fb..20564f6 100644
--- a/src/runtime/CL/functions/CLPoolingLayer.cpp
+++ b/src/runtime/CL/functions/CLPoolingLayer.cpp
@@ -46,7 +46,7 @@
     uint32_t border_value = 0;
     if(is_data_type_quantized_asymmetric(input->info()->data_type()) && !pool_info.exclude_padding())
     {
-        border_value = static_cast<uint32_t>(input->info()->quantization_info().quantize(0));
+        border_value = static_cast<uint32_t>(input->info()->quantization_info().quantize(0.f, RoundingPolicy::TO_NEAREST_UP));
     }
 
     _border_handler.configure(input, _kernel->border_size(), border_mode, PixelValue(border_value));