Reduce precision requirements for float32 PCA (#12825)

Fixes #12823
scikit-learn · Dec 19, 2018 · 57e058e · 57e058e
1 parent a941c2e
commit 57e058e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/sklearn/decomposition/tests/test_pca.py b/sklearn/decomposition/tests/test_pca.py
@@ -723,8 +723,9 @@ def check_pca_float_dtype_preservation(svd_solver):
     assert pca_64.transform(X_64).dtype == np.float64
     assert pca_32.transform(X_32).dtype == np.float32
 
+    # decimal=5 fails on mac with scipy = 1.1.0
     assert_array_almost_equal(pca_64.components_, pca_32.components_,
-                              decimal=5)
+                              decimal=4)
 
 
 def check_pca_int_dtype_upcast_to_double(svd_solver):