BUG: Series.float divided by Series.interger (with 0's)
# problem when denominator is interger type and has 0 element
# no such problem with pandas <= 0.13.1

print pd.**version**
print np.**version**

testdata=pd.DataFrame({'TL': (1,0), 'PI': (-0.01,-0.02)})
print "--- direct pd.Series division (wrong) : \n", (testdata.PI)/testdata.TL
print "--- np.where filtered (still wrong!!): ",np.where(testdata.TL>0.001,testdata.PI/testdata.TL,0 )
print "--- direct pd.Series division (OK for float type) : \n", testdata.PI/(testdata.TL.astype(float))
print "--- values division (correct)", testdata.PI.values/testdata.TL.values

-------------- Output ---------
0.14.0
1.7.1
--- direct pd.Series division (wrong) : 
0   -inf
1   -inf
dtype: float64
--- np.where filtered (still wrong!!):  [-inf   0.]
--- direct pd.Series division (OK for float type) : 
0   -0.010000
1        -inf
dtype: float64
--- values division (correct) [-0.01  -inf]
