I believe this is because that expression is handled as an untyped constant by the compiler. If you actually create proper variables with the values you get the same result as Java, Python, etc.
https://play.golang.org/p/tIMpYT-bFzm On Wednesday, August 29, 2018 at 7:33:16 PM UTC-7, José Colón wrote: > > I read that a common way to demonstrate that floating point numbers suffer > from approximation problems is by calculating this: > > 0.3 - 0.1 * 3 > > which should produce 0 but in Java, Python, and Javascript for example, > they produce -5.551115123125783e-17 . > > Surprisingly (or not, ;) ), Go produces the correct 0 result! I wonder why > is this so? Is it some higher precision being used versus these other > languages? Or is it some extra correcting logic behind the scenes? > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
