model.py 文件源码

def check_type_forward(self, in_types):
        n_in = in_types.size()
        type_check.expect(2 <= n_in, n_in <= 3)
        x_type, w_type = in_types[:2]

        type_check.expect(
            x_type.dtype == np.float32,
            w_type.dtype == np.float32,
            x_type.ndim >= 2,
            w_type.ndim == 2,
            type_check.prod(x_type.shape[1:]) == w_type.shape[1],
        )
        if n_in.eval() == 3:
            b_type = in_types[2]
            type_check.expect(
                b_type.dtype == np.float32,
                b_type.ndim == 1,
                b_type.shape[0] == w_type.shape[0],
            )