[MAJ] getIdx returns an index in number of elements

include/aidge/backend/TensorImpl.hpp

@@ -169,7 +169,7 @@ public:
                 && "Coordinates dimensions does not fit the dimensions of the tensor");
             flatIdx += (coordIdx[i] * mvLayout[i]);
         }
-        return flatIdx;
+        return flatIdx / mScalarSize;
     }
 
 private:

include/aidge/data/Tensor.hpp

@@ -441,7 +441,7 @@ public:
     template<typename expectedType>
     expectedType &get(std::vector<Coord_t> const &coordIdx)
     {
-        return get<expectedType>(getIdx(coordIdx) / GetScalarSize());
+        return get<expectedType>(getIdx(coordIdx));
     }
 
     /// @brief Set teh value of an element identified by its index
@@ -477,6 +477,7 @@ public:
 private:
     /// @brief Get the linear index of the first Byte_t of the data at given coordinates
     /// @param coordIdx coordinates of the desired data
+    /// @note The index is expressed in number of elements
     /// @return Linear index of the first Byte_t of the data at given coordinates
     std::size_t getIdx(std::vector<Coord_t> const &coordIdx) const noexcept;