16
1 0.5
2 -0.5
3 -1.0000000
4 0.1
5 0.0000152587890625
6 0.0000152587890624
7 0.0000152587890626
8 -0.0000152587890625
9 -0.0000152587890624
10 -0.0000152587890626
11 0.9999999999999999
12 -0.9999999999999999
13 -5.3
14 9.1
15 -1.0000000000000001
16 0.31415926