Remove mlab.cross_from_above and mlab.cross_from_below

dstansby · dstansby · commit 8aa540b719c2 · 2018-09-21T11:35:05.000+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
@@ -32,4 +32,6 @@ in Matplotlib 2.2 has been removed. See below for a list:
 - `mlab.vector_lengths`
 - `mlab.distances_along_curve`
 - `mlab.path_length`
+- `mlab.cross_from_above`
+- `mlab.cross_from_below`
 - `mlab.donothing_callback`
diff --git a/lib/matplotlib/mlab.py b/lib/matplotlib/mlab.py
@@ -2764,65 +2764,3 @@ def contiguous_regions(mask):
     True and we cover all such regions
     """
     return cbook.contiguous_regions(mask)
-
-
-@cbook.deprecated("2.2")
-def cross_from_below(x, threshold):
-    """
-    return the indices into *x* where *x* crosses some threshold from
-    below, e.g., the i's where::
-
-      x[i-1]<threshold and x[i]>=threshold
-
-    Example code::
-
-        import matplotlib.pyplot as plt
-
-        t = np.arange(0.0, 2.0, 0.1)
-        s = np.sin(2*np.pi*t)
-
-        fig, ax = plt.subplots()
-        ax.plot(t, s, '-o')
-        ax.axhline(0.5)
-        ax.axhline(-0.5)
-
-        ind = cross_from_below(s, 0.5)
-        ax.vlines(t[ind], -1, 1)
-
-        ind = cross_from_above(s, -0.5)
-        ax.vlines(t[ind], -1, 1)
-
-        plt.show()
-
-    See Also
-    --------
-    :func:`cross_from_above` and :func:`contiguous_regions`
-
-    """
-    x = np.asarray(x)
-    ind = np.nonzero((x[:-1] < threshold) & (x[1:] >= threshold))[0]
-    if len(ind):
-        return ind+1
-    else:
-        return ind
-
-
-@cbook.deprecated("2.2")
-def cross_from_above(x, threshold):
-    """
-    return the indices into *x* where *x* crosses some threshold from
-    below, e.g., the i's where::
-
-      x[i-1]>threshold and x[i]<=threshold
-
-    See Also
-    --------
-    :func:`cross_from_below` and :func:`contiguous_regions`
-
-    """
-    x = np.asarray(x)
-    ind = np.nonzero((x[:-1] >= threshold) & (x[1:] < threshold))[0]
-    if len(ind):
-        return ind+1
-    else:
-        return ind
