COMPMID-519: Add support for Lower and Upper Bounded RELU for CL/NEON

Change-Id: I7b16216ac59c899a33942bf17757b54535256d7a
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/86172
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/tests/validation/CPP/ActivationLayer.cpp b/tests/validation/CPP/ActivationLayer.cpp
index fa393be..8fcacca 100644
--- a/tests/validation/CPP/ActivationLayer.cpp
+++ b/tests/validation/CPP/ActivationLayer.cpp
@@ -66,6 +66,9 @@
             case ActivationLayerInfo::ActivationFunction::BOUNDED_RELU:
                 dst[i] = std::min<T>(a, std::max(static_cast<T>(0), x));
                 break;
+            case ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU:
+                dst[i] = std::min<T>(a, std::max<T>(b, x));
+                break;
             case ActivationLayerInfo::ActivationFunction::LEAKY_RELU:
                 dst[i] = (x > 0) ? x : a * x;
                 break;
@@ -125,6 +128,9 @@
             case ActivationLayerInfo::ActivationFunction::BOUNDED_RELU:
                 dst[i] = min(a, max(const_0, x)).raw();
                 break;
+            case ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU:
+                dst[i] = min(a, max(b, x)).raw();
+                break;
             case ActivationLayerInfo::ActivationFunction::LEAKY_RELU:
                 dst[i] = (x > const_0) ? x.raw() : mul(a, x).raw();
                 break;