HingeEmbeddingCriterion.py 文件源码

def updateOutput(self, input, y):
        self.buffer = self.buffer or input.new()
        self.buffer.resize_as_(input).copy_(input)
        self.buffer[torch.eq(y, -1.)] = 0
        self.output = self.buffer.sum()

        self.buffer.fill_(self.margin).add_(-1, input)
        self.buffer.cmax_(0)
        self.buffer[torch.eq(y, 1.)] = 0
        self.output = self.output + self.buffer.sum()

        if self.sizeAverage:
            self.output = self.output / input.nelement()

        return self.output