DEP: remove deprecated np.lib.ufunclike.log2 function.

2 files changed, 1 insertions, 54 deletions

diff --git a/numpy/lib/tests/test_ufunclike.py b/numpy/lib/tests/test_ufunclike.py
index e9c41d09c..29b47f257 100644
--- a/numpy/lib/tests/test_ufunclike.py
+++ b/numpy/lib/tests/test_ufunclike.py
@@ -27,17 +27,6 @@ class TestUfunclike(TestCase):
         assert_equal(res, tgt)
         assert_equal(out, tgt)
 
-    @deprecated()
-    def test_log2(self):
-        a = nx.array([4.5, 2.3, 6.5])
-        out = nx.zeros(a.shape, float)
-        tgt = nx.array([2.169925, 1.20163386, 2.70043972])
-        res = ufl.log2(a)
-        assert_almost_equal(res, tgt)
-        res = ufl.log2(a, out)
-        assert_almost_equal(res, tgt)
-        assert_almost_equal(out, tgt)
-
     def test_fix(self):
         a = nx.array([[1.0, 1.1, 1.5, 1.8], [-1.0, -1.1, -1.5, -1.8]])
         out = nx.zeros(a.shape, float)
@@ -64,7 +53,7 @@ class TestUfunclike(TestCase):
         m = MyArray(a, metadata='foo')
         f = ufl.fix(m)
         assert_array_equal(f, nx.array([1,-1]))
-        assert isinstance(f, MyArray)
+        assert_(isinstance(f, MyArray))
         assert_equal(f.metadata, 'foo')
 
 if __name__ == "__main__":
diff --git a/numpy/lib/ufunclike.py b/numpy/lib/ufunclike.py
index 8f81fe4b2..b51365f41 100644
--- a/numpy/lib/ufunclike.py
+++ b/numpy/lib/ufunclike.py
@@ -172,45 +172,3 @@ def isneginf(x, y=None):
         y = nx.empty(x.shape, dtype=nx.bool_)
     nx.logical_and(nx.isinf(x), nx.signbit(x), y)
     return y
-
-
-_log2 = nx.log(2)
-def log2(x, y=None):
-    """
-    Return the base 2 logarithm of the input array, element-wise.
-    This function is now deprecated, use the np.log2 ufunc instead.
-
-    Parameters
-    ----------
-    x : array_like
-      Input array.
-    y : array_like
-      Optional output array with the same shape as `x`.
-
-    Returns
-    -------
-    y : ndarray
-      The logarithm to the base 2 of `x` element-wise.
-      NaNs are returned where `x` is negative.
-
-    See Also
-    --------
-    log, log1p, log10
-
-    Examples
-    --------
-    >>> np.log2([-1, 2, 4])
-    array([ NaN,   1.,   2.])
-
-    """
-    import warnings
-    msg = "numpy.lib.log2 is deprecated, use np.log2 instead."
-    warnings.warn(msg, DeprecationWarning)
-
-    x = nx.asanyarray(x)
-    if y is None:
-        y = nx.log(x)
-    else:
-        nx.log(x, y)
-    y /= _log2
-    return y