5.00, 5.00 ==> 5.00
5.00, -5.00 ==> -5.00
-5.00, 5.00 ==> 5.00
-5.00, -5.00 ==> -5.00
5.00, 4.00 ==> 5.00
5.00, -4.00 ==> -5.00
-5.00, 4.00 ==> 5.00
-5.00, -4.00 ==> -5.00
0.00, 5.00 ==> 0.00
0.00, -5.00 ==> -0.00
-0.00, 5.00 ==> 0.00
-0.00, -5.00 ==> -0.00
5.00, 0.00 ==> 5.00
5.00, -0.00 ==> -5.00
-5.00, 0.00 ==> 5.00
-5.00, -0.00 ==> -5.00
0.00, 0.00 ==> 0.00
0.00, -0.00 ==> -0.00
-0.00, 0.00 ==> 0.00
-0.00, -0.00 ==> -0.00
f: -0.000000
2