Remove mlab.logspace

dstansby · dstansby · commit e40dc940813a · 2018-09-19T17:58:42.000+01:00
diff --git a/doc/api/next_api_changes/2018-09-18-DS.rst b/doc/api/next_api_changes/2018-09-18-DS.rst
@@ -0,0 +1,7 @@
+Removal of deprecated :mod:`matplotlib.mlab` code
+-------------------------------------------------
+
+Lots of code inside the :mod:`matplotlib.mlab` module which was deprecated
+in Matplotlib 2.2 has been removed. See below for a list:
+
+- `mlab.logspace`
diff --git a/lib/matplotlib/mlab.py b/lib/matplotlib/mlab.py
@@ -70,15 +70,6 @@
 import math
 
 
-@cbook.deprecated("2.2", alternative='numpy.logspace or numpy.geomspace')
-def logspace(xmin, xmax, N):
-    '''
-    Return N values logarithmically spaced between xmin and xmax.
-
-    '''
-    return np.exp(np.linspace(np.log(xmin), np.log(xmax), N))
-
-
 def window_hanning(x):
     '''
     Return x times the hanning window of len(x).
diff --git a/lib/matplotlib/tests/test_mlab.py b/lib/matplotlib/tests/test_mlab.py
@@ -55,25 +55,6 @@ def test_prctile(input, percentile):
                         np.percentile(input, percentile))
 
 
-@pytest.mark.parametrize('xmin, xmax, N', [
-    (.01, 1000., 6),
-    (.03, 1313., 7),
-    (.03, 1313., 0),
-    (.03, 1313., 1),
-], ids=[
-    'tens',
-    'primes',
-    'none',
-    'single',
-])
-def test_logspace(xmin, xmax, N):
-    with pytest.warns(MatplotlibDeprecationWarning):
-        res = mlab.logspace(xmin, xmax, N)
-    targ = np.logspace(np.log10(xmin), np.log10(xmax), N)
-    assert_allclose(targ, res)
-    assert res.size == N
-
-
 class TestStride(object):
     def get_base(self, x):
         y = x
