| import torch |
| from .Module import Module |
| from .utils import clear |
| |
| class TemporalMaxPooling(Module): |
| |
| def __init__(self, kW, dW=None): |
| super(TemporalMaxPooling, self).__init__() |
| self.kW = kW |
| self.dW = dW or kW |
| self.indices = None |
| |
| def updateOutput(self, input): |
| self.indices = self.indices or input.new() |
| self._backend.TemporalMaxPooling_updateOutput( |
| self._backend.library_state, |
| input, |
| self.output, |
| self.indices, |
| self.kW, |
| self.dW |
| ) |
| return self.output |
| |
| |
| def updateGradInput(self, input, gradOutput): |
| if not self.gradInput: |
| return |
| self._backend.TemporalMaxPooling_updateGradInput( |
| self._backend.library_state, |
| input, |
| gradOutput, |
| self.gradInput, |
| self.indices, |
| self.kW, |
| self.dW |
| ) |
| return self.gradInput |
| |
| def clearState(self): |
| clear(self, 'indices') |
| return super(TemporalMaxPooling, self).clearState() |
| |
