TST: Use fuzzy comparison in test_psd_csd_equal.

QuLogic · QuLogic · commit ec77e80e9f63 · 2017-10-07T05:44:21.000-04:00
Fixes #7158.
diff --git a/lib/matplotlib/tests/test_mlab.py b/lib/matplotlib/tests/test_mlab.py
@@ -7,7 +7,7 @@
 import warnings
 
 from numpy.testing import (assert_allclose, assert_almost_equal,
-                           assert_array_equal)
+                           assert_array_equal, assert_array_almost_equal_nulp)
 import numpy.ma.testutils as matest
 import numpy as np
 import datetime as datetime
@@ -1985,7 +1985,7 @@ def test_psd_csd_equal(self):
                                 noverlap=self.nover_density,
                                 pad_to=self.pad_to_density,
                                 sides=self.sides)
-        assert_array_equal(Pxx, Pxy)
+        assert_array_almost_equal_nulp(Pxx, Pxy)
         assert_array_equal(freqsxx, freqsxy)
 
     def test_specgram_auto_default_equal(self):
