pydata/pandas — pull request #4585 by jreback (2013-08-16 20:58:01+00:00)
Title: BUG: Fix boolean comparison with a DataFrame on the lhs, and a list/tuple on the rhs GH5476

closes #4576

```
In [1]: df = DataFrame(np.arange(6).reshape((3,2)))

In [2]: b = np.array([2, 2])

In [3]: b_r = np.atleast_2d([2,2])

In [4]: b_c = b_r.T

In [5]: df>b
Out[5]:
0 1
0 False False
1 False True
2 True True

In [6]: df>b_r
Out[6]:
0 1
0 False False
1 False True
2 True True

In [7]: df>b_c
Out[7]:
0 1
0 False False
1 False True
2 True True

In [8]: df==b
Out[8]:
0 1
0 False False
1 True False
2 False False

In [9]: df==b_r
Out[9]:
0 1
0 False False
1 True False
2 False False

In [11]: df==b_c
Out[11]:
0 1
0 False False
1 True False
2 False False
```