Thanks guys. That's very helpful. I forgot that what I saw (and re-used) as the "height" was not precise enough to make it comparable.
On Thursday, February 22, 2018 at 3:33:38 PM UTC-5, Steve Bagwell wrote: > > > Hello Everyone, > > This looks like a Golang bug to me. What do you all think? > >> I have this function ... > > func getArea(base, side int64) float64 { >> var height, fSide, area float64 >> fSide = float64(side) >> halfBase := float64(base) / 2.0 >> height = math.Sqrt(fSide*fSide - halfBase*halfBase) >> area = halfBase * height >> fmt.Printf("halfBase: %f, height: %f, Area: %f\n", halfBase, height, area) >> > > >> hb2 := 151414.5 >> h2 := 262256.452301 >> fmt.Printf("Area 2: %f\n", hb2 * h2) >> > > >> return area >> } > > > When I call it with `result := getArea(302829, 302828)`, I get this > output ... > > halfBase: 151414.500000, height: 262256.452301, Area: 39709429597.000000 >> Area 2: 39709429596.929764 > > > I could see how some kind of rounding could produce the first Area value. > But in that case, why wouldn't Area2 be rounded as well? > -- 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.