test_scan.py 文件源码

def test_memory_aliasing_updates(self):
        x = theano.shared(numpy.array(1))
        y = theano.shared(numpy.array(1))

        out, updates = theano.scan(
            lambda: OrderedDict([(x, x + 1), (y, x)]),
            outputs_info=[],
            non_sequences=[],
            sequences=[],
            n_steps=10)

        f = theano.function([], [], updates=updates)
        f()
        assert not numpy.may_share_memory(x.container.storage[0],
                                          y.container.storage[0])

        assert x.get_value() != y.get_value()