test_link.py 文件源码

def test_copyparams(self):
        self.link.x.grad.fill(0)
        self.link.y.grad.fill(1)
        gx = self.link.x.grad.copy()
        gy = self.link.y.grad.copy()

        l = chainer.Link(x=(2, 3), y=2)
        l.x.data.fill(2)
        l.x.grad.fill(3)
        l.y.data.fill(4)
        l.y.grad.fill(5)
        self.link.copyparams(l)
        numpy.testing.assert_array_equal(self.link.x.data, l.x.data)
        numpy.testing.assert_array_equal(self.link.x.grad, gx)
        numpy.testing.assert_array_equal(self.link.y.data, l.y.data)
        numpy.testing.assert_array_equal(self.link.y.grad, gy)