sigmoid_with_binary_cross_entropy.py 文件源码

def forward(self, input, target):
        input.sigmoid_()
        self.save_for_backward(input, target)
        return F.binary_cross_entropy(
            torch.autograd.Variable(input, requires_grad=False),
            torch.autograd.Variable(target, requires_grad=False),
            weight=self.weight, size_average=self.size_average
        ).data