test_scan.py 文件源码

def test_clone(self):
        def test(x, y, mention_y):
            if mention_y:
                d = 0.1 + 0 * y
            else:
                d = 0.1
            out = theano.clone(y, replace={x: x + d})
            # theano.printing.debugprint(out)
            return theano.function([], out)()

        x = theano.shared(numpy.asarray(0., dtype=theano.config.floatX))
        utt.assert_allclose(test(x, tensor.sum((x+1)**2), mention_y=False),
                              1.21000003815)
        utt.assert_allclose(test(x, tensor.sum((x+1)**2), mention_y=True),
                              1.21000003815)