function.py 文件源码

def forward_gpu(self, inputs):
        """Applies forward propagation to input arrays on GPU.

        Args:
            inputs: Tuple of :class:`cupy.ndarray` object(s).

        Returns:
            tuple: Tuple of :class:`cupy.ndarray` object(s).

        .. warning::

            Implementations of :class:`Function` must take care that the
            return value must be a tuple even if it returns only one array.

        """
        raise NotImplementedError()