float32 vs float64 precision lost when casting to int

[trajber]

The float to int conversion behaves different for 32 and 64 precision.
https://play.golang.org/p/-zkCNSTbNa

Is this the correct behavior?

I'm using go version go1.7.4 linux/amd64

[bradfitz]

For questions about Go, see https://golang.org/wiki/Questions.

See also: http://floating-point-gui.de/