Remove mlab.longest_contiguous_ones

dstansby · dstansby · commit 7d03bf50363f · 2018-09-19T18:00:07.000+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
@@ -9,4 +9,6 @@ in Matplotlib 2.2 has been removed. See below for a list:
 - `mlab.entropy` (use scipy.stats.entropy instead)
 - `mlab.normpdf` (use scipy.stats.norm.pdf instead)
 - `mlab.find` (use ``np.nonzero(np.ravel(condition))`` instead)
+- `mlab.longest_contiguous_ones`
+- `mlab.longest_ones`
 - `mlab.donothing_callback`
diff --git a/lib/matplotlib/mlab.py b/lib/matplotlib/mlab.py
@@ -1194,40 +1194,6 @@ def cohere(x, y, NFFT=256, Fs=2, detrend=detrend_none, window=window_hanning,
     return Cxy, f
 
 
-@cbook.deprecated('2.2')
-def longest_contiguous_ones(x):
-    """
-    Return the indices of the longest stretch of contiguous ones in *x*,
-    assuming *x* is a vector of zeros and ones.  If there are two
-    equally long stretches, pick the first.
-    """
-    x = np.ravel(x)
-    if len(x) == 0:
-        return np.array([])
-
-    ind = (x == 0).nonzero()[0]
-    if len(ind) == 0:
-        return np.arange(len(x))
-    if len(ind) == len(x):
-        return np.array([])
-
-    y = np.zeros((len(x)+2,), x.dtype)
-    y[1:-1] = x
-    dif = np.diff(y)
-    up = (dif == 1).nonzero()[0]
-    dn = (dif == -1).nonzero()[0]
-    i = (dn-up == max(dn - up)).nonzero()[0][0]
-    ind = np.arange(up[i], dn[i])
-
-    return ind
-
-
-@cbook.deprecated('2.2')
-def longest_ones(x):
-    '''Alias for longest_contiguous_ones.'''
-    return longest_contiguous_ones(x)
-
-
 @cbook.deprecated('2.2')
 class PCA(object):
     def __init__(self, a, standardize=True):
diff --git a/lib/matplotlib/pylab.py b/lib/matplotlib/pylab.py
@@ -235,7 +235,7 @@
     dist_point_to_segment, distances_along_curve, exp_safe,
     fftsurr, frange, get_sparse_matrix, get_xyz_where, griddata,
     identity, inside_poly, is_closed_polygon, ispower2, isvector, l1norm,
-    l2norm, log2, longest_contiguous_ones, longest_ones, movavg, norm_flat,
+    l2norm, log2, movavg, norm_flat,
     path_length, poly_below, poly_between, prctile, prctile_rank,
     rec2csv, rec_append_fields, rec_drop_fields, rec_join, rk4, rms_flat,
     segments_intersect, slopes, stineman_interp, vector_lengths,
