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Use delta() instead of max() * 2^-bits when delta() is defined #125

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Use delta() instead of max() * 2^-bits when delta() is defined #125

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5 changes: 4 additions & 1 deletion qkeras/qlayers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -103,7 +103,10 @@ def __call__(self, shape, dtype=None):

max_x = np.max(abs(x))
std_x = np.std(x)
delta = self.quantizer.max() * 2**-self.quantizer.bits
if hasattr(self.quantizer, 'delta') and callable(getattr(self.quantizer, 'delta')):
delta = self.quantizer.delta()
else:
delta = self.quantizer.max() * 2**-self.quantizer.bits

# delta is the minimum resolution of the number system.
# we want to make sure we have enough values.
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