Bug#947058: pygalmesh: autopkgtest failure on arm64 (and ppc64el, s390x)

[Nico Schlömer]

Just can just relax the relative tolerance to 2.0e-3 with a patch,
I'll include in the next release.

Cheers,
Nico

On Mon, Dec 30, 2019 at 3:27 PM Graham Inggs <ginggs at debian.org> wrote:
>
> Control: reopen -1
>
> Hi Drew
>
> The test gets a little further [1], and now fails at:
>
> ___________________________________ test_inr ___________________________________
>
>     def test_inr():
>         this_dir = os.path.dirname(os.path.abspath(__file__))
>         mesh = pygalmesh.generate_from_inr(
>             os.path.join(this_dir, "meshes", "skull_2.9.inr"),
> cell_size=5.0, verbose=False
>         )
>
>         tol = 2.0e-3
>         ref = [2.031053e02, 3.739508e01, 2.425594e02, 2.558910e01,
> 2.300883e02, 1.775010e00]
>         assert abs(max(mesh.points[:, 0]) - ref[0]) < tol * ref[0]
>         assert abs(min(mesh.points[:, 0]) - ref[1]) < tol * ref[1]
>         assert abs(max(mesh.points[:, 1]) - ref[2]) < tol * ref[2]
>         assert abs(min(mesh.points[:, 1]) - ref[3]) < tol * ref[3]
>         assert abs(max(mesh.points[:, 2]) - ref[4]) < tol * ref[4]
>         assert abs(min(mesh.points[:, 2]) - ref[5]) < tol * ref[5]
>
>         vol = sum(helpers.compute_volumes(mesh.points, mesh.cells["tetra"]))
>         ref = 2.725335e06
> >       assert abs(vol - ref) < ref * 1.0e-3
> E       assert 4425.526206357405 < (2725335.0 * 0.001)
> E        +  where 4425.526206357405 = abs((2729760.5262063574 - 2725335.0))
>
> test/test_inr.py:24: AssertionError
>
> Regards
> Graham
>
>
> [1] https://ci.debian.net/data/autopkgtest/testing/arm64/p/pygalmesh/3810331/log.gz
>