[MRG+1] reduce decimal restriction in test_singular_values to avoid non-deterministic test failure (scikit-learn#9162)

qinhanmin2014 · AishwaryaRK · commit 2a1e3a2e7e20 · 2017-08-29T09:58:55.000+05:30
* reduce decimal restriction

* change restriction
diff --git a/sklearn/decomposition/tests/test_pca.py b/sklearn/decomposition/tests/test_pca.py
@@ -272,7 +272,7 @@ def test_singular_values():
     assert_array_almost_equal(np.sum(pca.singular_values_**2.0),
                               np.linalg.norm(X_pca, "fro")**2.0, 12)
     assert_array_almost_equal(np.sum(apca.singular_values_**2.0),
-                              np.linalg.norm(X_apca, "fro")**2.0, 12)
+                              np.linalg.norm(X_apca, "fro")**2.0, 9)
     assert_array_almost_equal(np.sum(rpca.singular_values_**2.0),
                               np.linalg.norm(X_rpca, "fro")**2.0, 0)
 
