pep8 tests

1 files changed, 43 insertions, 0 deletions

diff --git a/test/test_bregman.py b/test/test_bregman.py
new file mode 100644
index 0000000..fd2c972
--- /dev/null
+++ b/test/test_bregman.py
@@ -0,0 +1,43 @@
+
+
+import ot
+import numpy as np
+
+# import pytest
+
+
+def test_sinkhorn():
+    # test sinkhorn
+    n = 100
+    np.random.seed(0)
+
+    x = np.random.randn(n, 2)
+    u = ot.utils.unif(n)
+
+    M = ot.dist(x, x)
+
+    G = ot.sinkhorn(u, u, M, 1, stopThr=1e-10)
+
+    # check constratints
+    assert np.allclose(u, G.sum(1), atol=1e-05)  # cf convergence sinkhorn
+    assert np.allclose(u, G.sum(0), atol=1e-05)  # cf convergence sinkhorn
+
+
+def test_sinkhorn_variants():
+    # test sinkhorn
+    n = 100
+    np.random.seed(0)
+
+    x = np.random.randn(n, 2)
+    u = ot.utils.unif(n)
+
+    M = ot.dist(x, x)
+
+    G0 = ot.sinkhorn(u, u, M, 1, method='sinkhorn', stopThr=1e-10)
+    Gs = ot.sinkhorn(u, u, M, 1, method='sinkhorn_stabilized', stopThr=1e-10)
+    Ges = ot.sinkhorn(
+        u, u, M, 1, method='sinkhorn_epsilon_scaling', stopThr=1e-10)
+
+    # check constratints
+    assert np.allclose(G0, Gs, atol=1e-05)
+    assert np.allclose(G0, Ges, atol=1e-05)