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Fixed Bugged Leaky Reset Mechanisms #379

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Fixed Bugged Leaky Reset Mechanisms #379

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62b3f32
Fixed Leaky reset mechanisms
DoubleGio May 16, 2025
b8224fd
small refactor for readability
DoubleGio Jul 2, 2025
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19 changes: 8 additions & 11 deletions snntorch/_neurons/leaky.py
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Original file line number Diff line number Diff line change
Expand Up @@ -235,19 +235,16 @@ def forward(self, input_, mem=None):
else:
return spk, self.mem

def _base_state_function(self, input_):
base_fn = self.beta.clamp(0, 1) * self.mem + input_
return base_fn
def _base_sub(self, input_): # reset by subtraction, soft reset
base_fn = self._base_int(input_)
return base_fn - self.reset * self.threshold * self.beta.clamp(0, 1)

def _base_sub(self, input_):
return self._base_state_function(input_) - self.reset * self.threshold
def _base_zero(self, input_): # reset to zero, hard reset
base_fn = self._base_int(input_)
return base_fn - self.reset * base_fn

def _base_zero(self, input_):
self.mem = (1 - self.reset) * self.mem
return self._base_state_function(input_)

def _base_int(self, input_):
return self._base_state_function(input_)
def _base_int(self, input_): # pure integration, no reset
return self.beta.clamp(0, 1) * self.mem + input_

@classmethod
def detach_hidden(cls):
Expand Down