Esempio n. 1
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def test_trust_region_for_default_state() -> None:
    tr = TrustRegion(NegativeLowerConfidenceBound(0))
    dataset = Dataset(tf.constant([[0.1, 0.2]]), tf.constant([[0.012]]))
    lower_bound = tf.constant([-2.2, -1.0])
    upper_bound = tf.constant([1.3, 3.3])
    search_space = Box(lower_bound, upper_bound)

    query_point, state = tr.acquire_single(search_space, dataset,
                                           QuadraticMeanAndRBFKernel(), None)

    npt.assert_array_almost_equal(query_point, tf.constant([[0.0, 0.0]]), 5)
    npt.assert_array_almost_equal(state.acquisition_space.lower, lower_bound)
    npt.assert_array_almost_equal(state.acquisition_space.upper, upper_bound)
    npt.assert_array_almost_equal(state.y_min, [0.012])
    assert state.is_global
Esempio n. 2
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def test_trust_region_for_default_state(
    rule: AcquisitionRule[TensorType, Box], expected_query_point: TensorType
) -> None:
    tr = TrustRegion(rule)
    dataset = Dataset(tf.constant([[0.1, 0.2]]), tf.constant([[0.012]]))
    lower_bound = tf.constant([-2.2, -1.0])
    upper_bound = tf.constant([1.3, 3.3])
    search_space = Box(lower_bound, upper_bound)

    state, query_point = tr.acquire_single(search_space, dataset, QuadraticMeanAndRBFKernel())(None)

    assert state is not None
    npt.assert_array_almost_equal(query_point, expected_query_point, 5)
    npt.assert_array_almost_equal(state.acquisition_space.lower, lower_bound)
    npt.assert_array_almost_equal(state.acquisition_space.upper, upper_bound)
    npt.assert_array_almost_equal(state.y_min, [0.012])
    assert state.is_global