scikit-image

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from skimage.draw import line_nd
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from skimage._shared.testing import assert_equal
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def test_empty_line():
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    coords = line_nd((1, 1, 1), (1, 1, 1))
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    assert len(coords) == 3
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    assert all(len(c) == 0 for c in coords)
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def test_zero_line():
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    coords = line_nd((-1, -1), (2, 2))
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    assert_equal(coords, [[-1, 0, 1], [-1, 0, 1]])
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def test_no_round():
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    coords = line_nd((0.5, 0), (2.5, 0), integer=False, endpoint=True)
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    assert_equal(coords, [[0.5, 1.5, 2.5], [0, 0, 0]])
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