A Tour of Go の練習問題 - Qiita

package main import ( "fmt" "math" ) const eps = 1e-9 func Sqrt(x float64) float64 { z := 1.0 p := z for { z = z - (z * z - x) / (2 * z) if math.Abs(z - p) < eps { break } p = z } return z } func main() { fmt.Println(math.Sqrt(2)) fmt.Println(Sqrt(2)) } package main import "code.google.com/p/go-tour/pic" func Pic(dx, dy int) [][]uint8 { image := make([][]uint8, dy) for y := range image { image[y]

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https://qiita.com/Blufe/items/1f7efbedf015a5c2ba9b

[Kureduki_Maari]

A Tour of Go の練習問題 on @Qiita