COMPMID-2763 convert functions and helpers for QASYMM8_SIGNED

Helpers and functions are modified to add capabilities
to convert from/to QASYMM8_SIGNED.

Change-Id: Iadd94f9a8469da77421d6987ce67738cf16a1c52
Signed-off-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-on: https://review.mlplatform.org/c/2288
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/tests/validation/Helpers.cpp b/tests/validation/Helpers.cpp
index e362e05b81..fa2f51ec38 100644
--- a/tests/validation/Helpers.cpp
+++ b/tests/validation/Helpers.cpp
@@ -146,6 +146,31 @@ SimpleTensor<uint8_t> convert_to_asymmetric(const SimpleTensor<float> &src, cons
 }
 
 template <>
+SimpleTensor<int8_t> convert_to_asymmetric(const SimpleTensor<float> &src, const QuantizationInfo &quantization_info)
+{
+    SimpleTensor<int8_t>           dst{ src.shape(), DataType::QASYMM8_SIGNED, 1, quantization_info };
+    const UniformQuantizationInfo &qinfo = quantization_info.uniform();
+
+    for(int i = 0; i < src.num_elements(); ++i)
+    {
+        dst[i] = quantize_qasymm8_signed(src[i], qinfo);
+    }
+    return dst;
+}
+
+SimpleTensor<float> convert_from_asymmetric(const SimpleTensor<int8_t> &src)
+{
+    const UniformQuantizationInfo &quantization_info = src.quantization_info().uniform();
+    SimpleTensor<float>            dst{ src.shape(), DataType::F32, 1, QuantizationInfo(), src.data_layout() };
+
+    for(int i = 0; i < src.num_elements(); ++i)
+    {
+        dst[i] = dequantize_qasymm8_signed(src[i], quantization_info);
+    }
+    return dst;
+}
+
+template <>
 SimpleTensor<uint16_t> convert_to_asymmetric(const SimpleTensor<float> &src, const QuantizationInfo &quantization_info)
 {
     SimpleTensor<uint16_t>         dst{ src.shape(), DataType::QASYMM16, 1, quantization_info };