fork(1) download
copy 
  1. package main
  2.  
  3. import (
  4. 	"fmt"
  5. 	"math"
  6. )
  7.  
  8. func Sqrt(x float64) float64 {
  9. 	z := float64(1)
  10.  
  11. 	for v := z - (math.Pow(z, 2)-x)/2/z; math.Abs(v-z) > 0.1; {
  12. 		z := v
  13. 		v := z - (math.Pow(z, 2)-x)/2/z
  14. 	}
  15.  
  16. 	return z
  17. }
  18.  
  19. func main() {
  20. 	fmt.Println(Sqrt(2))
  21. }
  22.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
copy 
Standard input is empty
compilation info 
# command-line-arguments
./prog.go:13: v declared and not used
stdout
copy 
Standard output is empty
https://ideone.com/cl125i
language:
Go (go 1.12.1)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!