test_scan.py 文件源码

def test_cloning_no_replace_strict_not_copy_inputs(self):
        # This has nothing to do with scan, but it refers to the clone
        # function that scan uses internally and that pfunc uses now and
        # that users might want to use
        x = theano.tensor.vector('x')
        y = theano.tensor.vector('y')
        z = theano.shared(0.25)

        f1 = z * (x + y) ** 2 + 5
        f2 = theano.clone(f1,
                          replace=None,
                          strict=True,
                          share_inputs=False)
        f2_inp = theano.gof.graph.inputs([f2])

        assert not z in f2_inp
        assert not x in f2_inp
        assert not y in f2_inp