float64 not showing decimal points

Question

Why doesn't my float64 have any decimal points?

I expected 40000/3 should return something like 13333.3333

package main

import (
    "fmt"
)

func main() {
    var f float64 = 40000 / 3
    fmt.Println(f)
}

`var f float64 = 40000 / float64(3) fmt.Printf("%f", f)` – Cully Aug 08 '21 at 04:14 — Cully, Aug 08 '21 at 04:14

score 2 · Accepted Answer · edited Aug 08 '21 at 19:23

2

40000/3 is an integer value. It is then converted to a float. To perform float division use float values. 40000.0/3 will result in a float value.

edited Aug 08 '21 at 19:23

y_159

answered Aug 08 '21 at 04:15

Burak Serdar

More precisely, `40000/3` is an untyped integer constant, not an `int`. – jub0bs Aug 08 '21 at 14:21
@jub0bs, 40000/3 is an untyped constant that is evaluated at compile time as an int. The result does not have a decimal part. – Burak Serdar Aug 08 '21 at 15:54
We're on the same page. – jub0bs Aug 08 '21 at 16:45

1 Answers1