Exemple #1
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def test_extra_ops():
    a = matrix("a")
    a.tag.test_value = np.arange(6, dtype=config.floatX).reshape((3, 2))

    out = aet_extra_ops.cumsum(a, axis=0)
    fgraph = FunctionGraph([a], [out])
    compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    out = aet_extra_ops.cumprod(a, axis=1)
    fgraph = FunctionGraph([a], [out])
    compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    out = aet_extra_ops.diff(a, n=2, axis=1)
    fgraph = FunctionGraph([a], [out])
    compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    out = aet_extra_ops.repeat(a, (3, 3), axis=1)
    fgraph = FunctionGraph([a], [out])
    compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    # This function also cannot take symbolic input.
    c = aet.as_tensor(5)
    out = aet_extra_ops.bartlett(c)
    fgraph = FunctionGraph([], [out])
    compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    with pytest.raises(NotImplementedError):
        out = aet_extra_ops.fill_diagonal(a, c)
        fgraph = FunctionGraph([a], [out])
        compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    with pytest.raises(NotImplementedError):
        out = aet_extra_ops.fill_diagonal_offset(a, c, c)
        fgraph = FunctionGraph([a], [out])
        compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    with pytest.raises(NotImplementedError):
        out = aet_extra_ops.Unique(axis=1)(a)
        fgraph = FunctionGraph([a], [out])
        compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    indices = np.arange(np.product((3, 4)))
    out = aet_extra_ops.unravel_index(indices, (3, 4), order="C")
    fgraph = FunctionGraph([], out)
    compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs],
                       must_be_device_array=False)

    multi_index = np.unravel_index(np.arange(np.product((3, 4))), (3, 4))
    out = aet_extra_ops.ravel_multi_index(multi_index, (3, 4))
    fgraph = FunctionGraph([], [out])
    compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs],
                       must_be_device_array=False)

    # The inputs are "concrete", yet it still has problems?
    out = aet_extra_ops.Unique()(aet.as_tensor(
        np.arange(6, dtype=config.floatX).reshape((3, 2))))
    fgraph = FunctionGraph([], [out])
    compare_jax_and_py(fgraph, [])
Exemple #2
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        def check(shape, index_ndim, order):
            indices = np.arange(np.product(shape))
            # test with scalars and higher-dimensional indices
            if index_ndim == 0:
                indices = indices[-1]
            elif index_ndim == 2:
                indices = indices[:, np.newaxis]
            indices_symb = aesara.shared(indices)

            # reference result
            ref = np.unravel_index(indices, shape, order=order)

            def fn(i, d):
                return function([], unravel_index(i, d, order=order))

            # shape given as a tuple
            f_array_tuple = fn(indices, shape)
            f_symb_tuple = fn(indices_symb, shape)
            np.testing.assert_equal(ref, f_array_tuple())
            np.testing.assert_equal(ref, f_symb_tuple())

            # shape given as an array
            shape_array = np.array(shape)
            f_array_array = fn(indices, shape_array)
            np.testing.assert_equal(ref, f_array_array())

            # shape given as an Aesara variable
            shape_symb = aesara.shared(shape_array)
            f_array_symb = fn(indices, shape_symb)
            np.testing.assert_equal(ref, f_array_symb())

            # shape given as a Shape op (unravel_index will use get_vector_length
            # to infer the number of dimensions)
            indexed_array = aesara.shared(np.random.uniform(size=shape_array))
            f_array_shape = fn(indices, indexed_array.shape)
            np.testing.assert_equal(ref, f_array_shape())

            # shape testing
            self._compile_and_check(
                [],
                unravel_index(indices, shape_symb, order=order),
                [],
                UnravelIndex,
            )
Exemple #3
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def test_extra_ops():
    a = matrix("a")
    a.tag.test_value = np.arange(6, dtype=config.floatX).reshape((3, 2))

    out = at_extra_ops.cumsum(a, axis=0)
    fgraph = FunctionGraph([a], [out])
    compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    out = at_extra_ops.cumprod(a, axis=1)
    fgraph = FunctionGraph([a], [out])
    compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    out = at_extra_ops.diff(a, n=2, axis=1)
    fgraph = FunctionGraph([a], [out])
    compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    out = at_extra_ops.repeat(a, (3, 3), axis=1)
    fgraph = FunctionGraph([a], [out])
    compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    c = at.as_tensor(5)

    with pytest.raises(NotImplementedError):
        out = at_extra_ops.fill_diagonal(a, c)
        fgraph = FunctionGraph([a], [out])
        compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    with pytest.raises(NotImplementedError):
        out = at_extra_ops.fill_diagonal_offset(a, c, c)
        fgraph = FunctionGraph([a], [out])
        compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    with pytest.raises(NotImplementedError):
        out = at_extra_ops.Unique(axis=1)(a)
        fgraph = FunctionGraph([a], [out])
        compare_jax_and_py(fgraph, [get_test_value(i) for i in fgraph.inputs])

    indices = np.arange(np.product((3, 4)))
    out = at_extra_ops.unravel_index(indices, (3, 4), order="C")
    fgraph = FunctionGraph([], out)
    compare_jax_and_py(
        fgraph, [get_test_value(i) for i in fgraph.inputs], must_be_device_array=False
    )
Exemple #4
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 def fn(i, d):
     return function([], unravel_index(i, d, order=order))
Exemple #5
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    def test_unravel_index(self):
        def check(shape, index_ndim, order):
            indices = np.arange(np.product(shape))
            # test with scalars and higher-dimensional indices
            if index_ndim == 0:
                indices = indices[-1]
            elif index_ndim == 2:
                indices = indices[:, np.newaxis]
            indices_symb = aesara.shared(indices)

            # reference result
            ref = np.unravel_index(indices, shape, order=order)

            def fn(i, d):
                return function([], unravel_index(i, d, order=order))

            # shape given as a tuple
            f_array_tuple = fn(indices, shape)
            f_symb_tuple = fn(indices_symb, shape)
            np.testing.assert_equal(ref, f_array_tuple())
            np.testing.assert_equal(ref, f_symb_tuple())

            # shape given as an array
            shape_array = np.array(shape)
            f_array_array = fn(indices, shape_array)
            np.testing.assert_equal(ref, f_array_array())

            # shape given as an Aesara variable
            shape_symb = aesara.shared(shape_array)
            f_array_symb = fn(indices, shape_symb)
            np.testing.assert_equal(ref, f_array_symb())

            # shape given as a Shape op (unravel_index will use get_vector_length
            # to infer the number of dimensions)
            indexed_array = aesara.shared(np.random.uniform(size=shape_array))
            f_array_shape = fn(indices, indexed_array.shape)
            np.testing.assert_equal(ref, f_array_shape())

            # shape testing
            self._compile_and_check(
                [],
                unravel_index(indices, shape_symb, order=order),
                [],
                UnravelIndex,
            )

        for order in ("C", "F"):
            for index_ndim in (0, 1, 2):
                check((3, ), index_ndim, order)
                check((3, 4), index_ndim, order)
                check((3, 4, 5), index_ndim, order)

        # must specify ndim if length of dims is not fixed
        with pytest.raises(ValueError):
            unravel_index(ivector(), ivector())

        # must provide integers
        with pytest.raises(TypeError):
            unravel_index(fvector(), (3, 4))
        with pytest.raises(TypeError):
            unravel_index((3, 4), (3.4, 3.2))

        # dims must be a 1D sequence
        with pytest.raises(TypeError):
            unravel_index((3, 4), 3)
        with pytest.raises(TypeError):
            unravel_index((3, 4), ((3, 4), ))