sqlite или дурдом колокольчик

просто цитата с экрана

sqlite> select round(1.05,1);
1.1
sqlite> select round(1.15,1);
1.1
sqlite> select round(1.16,1);
1.2
sqlite> select round(1.049,1);
1.0
sqlite> select round(1.05,1);
1.1
sqlite> select round(1.15,1);
1.1
sqlite> select round(1.25,1);
1.3
sqlite> select round(1.35,1);
1.4
sqlite> select round(1.45,1);
1.5
sqlite> select round(1.55,1);
1.6
sqlite> select round(1.149,1);
1.1
sqlite> select round(1.150,1);
1.1
sqlite> select round(1.151,1);
1.2
sqlite> select round(0.15,1);
0.2
sqlite> select round(2.15,1);
2.1
sqlite> select round(3.15,1);
3.1
sqlite> select round(4.15,1);
4.2
sqlite> select round(5.15,1);
5.2