torch/legacy/nn/Abs.py

import torch
from .Module import Module

class Abs(Module):
    def __init__(self):
        super(Abs, self).__init__()

    def updateOutput(self, input):
        self._backend.Abs_updateOutput(
           self._backend.library_state,
           input,
           self.output
        )
        return self.output

    def updateGradInput(self, input, gradOutput):
        self._backend.Abs_updateGradInput(
           self._backend.library_state,
           input,
           gradOutput,
           self.gradInput
        )
        return self.gradInput