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author | Vincent Rouvreau <vincent.rouvreau@inria.fr> | 2022-08-10 09:25:40 +0200 |
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committer | Vincent Rouvreau <vincent.rouvreau@inria.fr> | 2022-08-10 09:25:40 +0200 |
commit | 5fdb9e5e1ed77f7ad5a98c563fb9bfa09056271c (patch) | |
tree | 9f4036e73e8083be95153af91ad761892bc1b8b2 /src/python/test | |
parent | 69198e9a00648aa5f8f38e1cef2c7bd6b7299dbb (diff) | |
parent | 4f83706aa1263c04cb5e8763e1e8eb6c580bed3c (diff) |
Merge branch 'master' into sklearn_cubical
Diffstat (limited to 'src/python/test')
-rwxr-xr-x | src/python/test/test_representations.py | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/python/test/test_representations.py b/src/python/test/test_representations.py index d219ce7a..4a455bb6 100755 --- a/src/python/test/test_representations.py +++ b/src/python/test/test_representations.py @@ -152,7 +152,26 @@ def test_vectorization_empty_diagrams(): scv = Entropy(mode="vector", normalized=False, resolution=random_resolution)(empty_diag) assert not np.any(scv) assert scv.shape[0] == random_resolution - + +def test_entropy_miscalculation(): + diag_ex = np.array([[0.0,1.0], [0.0,1.0], [0.0,2.0]]) + def pe(pd): + l = pd[:,1] - pd[:,0] + l = l/sum(l) + return -np.dot(l, np.log(l)) + sce = Entropy(mode="scalar") + assert [[pe(diag_ex)]] == sce.fit_transform([diag_ex]) + sce = Entropy(mode="vector", resolution=4, normalized=False) + pef = [-1/4*np.log(1/4)-1/4*np.log(1/4)-1/2*np.log(1/2), + -1/4*np.log(1/4)-1/4*np.log(1/4)-1/2*np.log(1/2), + -1/2*np.log(1/2), + 0.0] + assert all(([pef] == sce.fit_transform([diag_ex]))[0]) + sce = Entropy(mode="vector", resolution=4, normalized=True) + pefN = (sce.fit_transform([diag_ex]))[0] + area = np.linalg.norm(pefN, ord=1) + assert area==1 + def test_kernel_empty_diagrams(): empty_diag = np.empty(shape = [0, 2]) assert SlicedWassersteinDistance(num_directions=100)(empty_diag, empty_diag) == 0. |