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| author | Marc Glisse <marc.glisse@inria.fr> | 2020-11-13 13:59:05 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-13 13:59:05 +0100 |
| commit | d0636be036ba4a5f0e8681d3d4804aaf33ee5eb3 (patch) | |
| tree | e976dcec6ff5684ac9f94e1e2f14a2dd20161159 /src/python/test/test_bottleneck_distance.py | |
| parent | a6fe8d15a755c4843b2981cf6e1ba00b6eccd81b (diff) | |
| parent | 53376fde3f35576af18fac33d731e8398da7522e (diff) | |
Merge pull request #405 from mglisse/botneg
Bottleneck distance for one point or negative coordinates
Diffstat (limited to 'src/python/test/test_bottleneck_distance.py')
| -rwxr-xr-x | src/python/test/test_bottleneck_distance.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/python/test/test_bottleneck_distance.py b/src/python/test/test_bottleneck_distance.py index 6915bea8..07fcc9cc 100755 --- a/src/python/test/test_bottleneck_distance.py +++ b/src/python/test/test_bottleneck_distance.py @@ -25,3 +25,15 @@ def test_basic_bottleneck(): assert gudhi.bottleneck_distance(diag1, diag2, 0.1) == pytest.approx(0.75, abs=0.1) assert gudhi.hera.bottleneck_distance(diag1, diag2, 0) == 0.75 assert gudhi.hera.bottleneck_distance(diag1, diag2, 0.1) == pytest.approx(0.75, rel=0.1) + + import numpy as np + + # Translating both diagrams along the diagonal should not affect the distance, + # checks that negative numbers are not an issue + diag1 = np.array(diag1) - 100 + diag2 = np.array(diag2) - 100 + + assert gudhi.bottleneck_distance(diag1, diag2) == 0.75 + assert gudhi.bottleneck_distance(diag1, diag2, 0.1) == pytest.approx(0.75, abs=0.1) + assert gudhi.hera.bottleneck_distance(diag1, diag2, 0) == 0.75 + assert gudhi.hera.bottleneck_distance(diag1, diag2, 0.1) == pytest.approx(0.75, rel=0.1) |