Equation 3 (Quantize function) implemented correctly?

[Saadmaghani]

Hi,

Eq 3 in the paper shows that the rounding is applied on x/sigma(k) but what I see in the implementation is:
tf.round(x * SCALE) / SCALE in line 37 of src/Quantize.py:Q
Shouldn't it be: tf.round(x / SCALE) * SCALE?

Eq 3 from paper: