Source: gudhi
Version: 3.11.0+dfsg-1
Severity: serious
Justification: debci
X-Debbugs-Cc: [email protected]
User: [email protected]
Usertags: ppc64el
gudhi is failing test_ripser_interfaces during autopkgtest (debci)
tests on ppc64el:
98s =================================== FAILURES
===================================
98s ____________________________ test_ripser_interfaces
____________________________
98s
98s def test_ripser_interfaces():
98s > cmp_rips(points.sphere(n_samples=random.randint(100, 150),
ambient_dim=2))
98s
98s test/test_sklearn_rips_persistence.py:163:
98s _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _
98s
98s point_cloud = array([[-0.21236015, 0.97719147],
98s [ 0.9453926 , 0.32593379],
98s [-0.93585084, -0.35239638],
98s [-0.91...-0.97009724],
98s [ 0.43737629, 0.89927859],
98s [ 0.99975938, -0.02193595],
98s [-0.57846424, -0.81570774]])
98s
98s def cmp_rips(point_cloud):
98s primes = [2, 3, 11, 17, 29] # Small list so 2 is often selected
98s field = random.choice(primes)
98s print(f"random prime = {field}")
98s
98s print(f"nb points = {len(point_cloud)}, dim =
{point_cloud.shape[1]}")
98s dists = cdist(point_cloud, point_cloud)
98s
98s # Check cone radius
98s cr = dists.max(-1).min()
98s assert cr == _lower_cone_radius(dists)
98s assert cr < 2.0
98s
98s ## Compute with the SimplexTree
98s stree =
RipsComplex(distance_matrix=dists).create_simplex_tree(max_dimension=2)
98s stree.compute_persistence(homology_coeff_field=field,
persistence_dim_max=True)
98s dgm0 = stree.persistence_intervals_in_dimension(0)
98s dgm1 = stree.persistence_intervals_in_dimension(1)
98s
98s # Compute with Ripser
98s dgm = _full(dists, max_dimension=1, max_edge_length=float("inf"),
homology_coeff_field=field)
98s # The order of the intervals may differ, so we cannot compare the
arrays with np.testing.assert_almost_equal
98s assert bottleneck_distance(dgm0, dgm[0]) < 1e-8
98s > assert bottleneck_distance(dgm1, dgm[1]) < 1e-8
98s E assert 0.3300548399501084 < 1e-08
98s E + where 0.3300548399501084 =
bottleneck_distance(array([[0.23748386, 1.73508822]]), array([[0.23748386,
1.40503338]]))
98s
98s test/test_sklearn_rips_persistence.py:120: AssertionError
The test failure interferes with migration to testing of dependencies, like
scipy
