COMPMID-2796: Add support for QASYMM8_SIGNED in NEActivationLayer and NEPReluLayer

Change-Id: I089fd19a6beab7779d690bc9ace327f661c2753d
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/2407
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>

1 files changed, 11 insertions, 2 deletions

diff --git a/tests/validation/fixtures/ActivationLayerFixture.h b/tests/validation/fixtures/ActivationLayerFixture.h
index f6d43ddd89..3294986519 100644
--- a/tests/validation/fixtures/ActivationLayerFixture.h
+++ b/tests/validation/fixtures/ActivationLayerFixture.h
@@ -150,8 +150,9 @@ protected:
 private:
     QuantizationInfo calculate_output_quantization_info(DataType dt, const ActivationLayerInfo &act_info, const QuantizationInfo &default_qinfo)
     {
-        auto qasymm8_max = float(std::numeric_limits<uint8_t>::max()) + 1.f;
-        auto qsymm16_max = float(std::numeric_limits<int16_t>::max()) + 1.f;
+        auto qasymm8_max        = float(std::numeric_limits<uint8_t>::max()) + 1.f;
+        auto qasymm8_signed_max = float(std::numeric_limits<int8_t>::max()) + 1.f;
+        auto qsymm16_max        = float(std::numeric_limits<int16_t>::max()) + 1.f;
 
         switch(act_info.activation())
         {
@@ -164,6 +165,10 @@ private:
                 {
                     return QuantizationInfo(1.f / (0.5 * qasymm8_max), int(0.5 * qasymm8_max));
                 }
+                else if(dt == DataType::QASYMM8_SIGNED)
+                {
+                    return QuantizationInfo(1.f / qasymm8_signed_max, 0);
+                }
                 else
                 {
                     return default_qinfo;
@@ -177,6 +182,10 @@ private:
                 {
                     return QuantizationInfo(1.f / qasymm8_max, 0);
                 }
+                else if(dt == DataType::QASYMM8_SIGNED)
+                {
+                    return QuantizationInfo(1.f / (2.f * qasymm8_signed_max), -int(qasymm8_signed_max));
+                }
                 else
                 {
                     return default_qinfo;