diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/test_bregman.py | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/test/test_bregman.py b/test/test_bregman.py index f70df10..f54ba9f 100644 --- a/test/test_bregman.py +++ b/test/test_bregman.py @@ -106,7 +106,6 @@ def test_sinkhorn_variants_log(): @pytest.mark.parametrize("method", ["sinkhorn", "sinkhorn_stabilized"]) def test_barycenter(method): - n_bins = 100 # nb bins # Gaussian distributions @@ -133,7 +132,6 @@ def test_barycenter(method): def test_barycenter_stabilization(): - n_bins = 100 # nb bins # Gaussian distributions @@ -161,7 +159,6 @@ def test_barycenter_stabilization(): def test_wasserstein_bary_2d(): - size = 100 # size of a square image a1 = np.random.randn(size, size) a1 += a1.min() @@ -185,7 +182,6 @@ def test_wasserstein_bary_2d(): def test_unmix(): - n_bins = 50 # nb bins # Gaussian distributions @@ -207,7 +203,7 @@ def test_unmix(): # wasserstein reg = 1e-3 - um = ot.bregman.unmix(a, D, M, M0, h0, reg, 1, alpha=0.01,) + um = ot.bregman.unmix(a, D, M, M0, h0, reg, 1, alpha=0.01, ) np.testing.assert_allclose(1, np.sum(um), rtol=1e-03, atol=1e-03) np.testing.assert_allclose([0.5, 0.5], um, rtol=1e-03, atol=1e-03) @@ -256,7 +252,7 @@ def test_empirical_sinkhorn(): def test_empirical_sinkhorn_divergence(): - #Test sinkhorn divergence + # Test sinkhorn divergence n = 10 a = ot.unif(n) b = ot.unif(n) @@ -337,3 +333,21 @@ def test_implemented_methods(): ot.bregman.sinkhorn(a, b, M, epsilon, method=method) with pytest.raises(ValueError): ot.bregman.sinkhorn2(a, b, M, epsilon, method=method) + + +def test_screenkhorn(): + # test screenkhorn + rng = np.random.RandomState(0) + n = 100 + a = ot.unif(n) + b = ot.unif(n) + + x = rng.randn(n, 2) + M = ot.dist(x, x) + # sinkhorn + G_sink = ot.sinkhorn(a, b, M, 1e-03) + # screenkhorn + G_screen = ot.bregman.screenkhorn(a, b, M, 1e-03, uniform=True, verbose=True) + # check marginals + np.testing.assert_allclose(G_sink.sum(0), G_screen.sum(0), atol=1e-02) + np.testing.assert_allclose(G_sink.sum(1), G_screen.sum(1), atol=1e-02) |