예제 #1
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def test_dimension_or_perseus_file_constructor():
    # Create test file
    test_file = open("CubicalOneSphere.txt", "w")
    test_file.write("2\n3\n3\n0\n0\n0\n0\n100\n0\n0\n0\n0\n")
    test_file.close()
    # CubicalComplex can be constructed from dimensions and
    # top_dimensional_cells OR from a Perseus-style file name.
    cub = CubicalComplex(
        dimensions=[3, 3],
        top_dimensional_cells=[1, 2, 3, 4, 5, 6, 7, 8, 9],
        perseus_file="CubicalOneSphere.txt",
    )
    assert cub.__is_defined() == False
    assert cub.__is_persistence_defined() == False

    cub = CubicalComplex(
        top_dimensional_cells=[1, 2, 3, 4, 5, 6, 7, 8, 9],
        perseus_file="CubicalOneSphere.txt",
    )
    assert cub.__is_defined() == False
    assert cub.__is_persistence_defined() == False

    cub = CubicalComplex(dimensions=[3, 3],
                         perseus_file="CubicalOneSphere.txt")
    assert cub.__is_defined() == False
    assert cub.__is_persistence_defined() == False
예제 #2
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def simple_constructor(cub):
    cub = CubicalComplex(dimensions=[3, 3],
                         top_dimensional_cells=[1, 2, 3, 4, 5, 6, 7, 8, 9])
    assert cub.__is_defined() == True
    assert cub.__is_persistence_defined() == False
    assert cub.persistence() == [(0, (1.0, float("inf")))]
    assert cub.__is_persistence_defined() == True
    assert cub.betti_numbers() == [1, 0, 0]
    assert cub.persistent_betti_numbers(0, 1000) == [0, 0, 0]
예제 #3
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def test_dimension_file_constructor():
    # Create test file
    test_file = open("CubicalOneSphere.txt", "w")
    test_file.write("2\n3\n3\n0\n0\n0\n0\n100\n0\n0\n0\n0\n")
    test_file.close()
    cub = CubicalComplex(perseus_file="CubicalOneSphere.txt")
    assert cub.__is_defined() == True
    assert cub.__is_persistence_defined() == False
    assert cub.persistence() == [(1, (0.0, 100.0)), (0, (0.0, float("inf")))]
    assert cub.__is_persistence_defined() == True
    assert cub.betti_numbers() == [1, 0, 0]
    assert cub.persistent_betti_numbers(0, 1000) == [1, 0, 0]
예제 #4
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def test_user_case_simple_constructor():
    cub = CubicalComplex(
        dimensions=[3, 3],
        top_dimensional_cells=[
            float("inf"), 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0
        ],
    )
    assert cub.__is_defined() == True
    assert cub.__is_persistence_defined() == False
    assert cub.persistence() == [(1, (0.0, 1.0)), (0, (0.0, float("inf")))]
    assert cub.__is_persistence_defined() == True
    other_cub = CubicalComplex(
        dimensions=[3, 3],
        top_dimensional_cells=[1000.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0],
    )
    assert other_cub.persistence() == [(1, (0.0, 1.0)),
                                       (0, (0.0, float("inf")))]
예제 #5
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def test_non_existing_perseus_file_constructor():
    # Try to open a non existing file
    cub = CubicalComplex(perseus_file="pouetpouettralala.toubiloubabdou")
    assert cub.__is_defined() == False
    assert cub.__is_persistence_defined() == False
예제 #6
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def test_empty_constructor():
    # Try to create an empty CubicalComplex
    cub = CubicalComplex()
    assert cub.__is_defined() == False
    assert cub.__is_persistence_defined() == False