Quantization ptq

Adding implementation of Scaling operator.

include/aidge/backend/cpu/operator/ScalingImpl.hpp

@@ -47,7 +47,7 @@ class ScalingImpl_cpu : public OperatorImpl {
    public:
     NbElts_t getNbRequiredData(const IOIndex_t inputIdx) const override final;
     NbElts_t getNbRequiredProtected(const IOIndex_t inputIdx) const override final;
-    NbElts_t getRequiredMemory(__attribute__((unused)) const IOIndex_t outputIdx, __attribute__((unused)) const std::vector<DimSize_t>& inputsSize) const override final;
+    NbElts_t getRequiredMemory(const IOIndex_t outputIdx, const std::vector<DimSize_t>& inputsSize) const override final;
     NbElts_t getNbConsumedData(const IOIndex_t inputIdx) const override final;
     NbElts_t getNbProducedData(const IOIndex_t outputIdx) const override final;