Jsoniter is not 100% compatible with json, encoutering issue with float conversion

[tungnk1993]

https://play.golang.org/p/9Kc_tdIXN6o

The code fails for jsoniter, but passed for default json
If we uncomment the [][2]float64 in the struct, both code will pass

[taowen]

can not reproduce the bug you reported by test

720ab8d