Contents

package armstrong

import "math"

func order(n int) (result int) {
	for n != 0 {
		result++
		n = n / 10
	}
	return
}

// IsNumber returns true for an armstrong number
func IsNumber(n int) bool {
	originalNumber := n
	pow := order(n)
	sum := 0
	for n != 0 {
		remainder := n % 10
		sum += int(math.Pow(float64(remainder), float64(pow)))
		n = n / 10
	}
	return originalNumber == sum
}

Version data entries

101 entries across 101 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.179	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.178	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.177	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.176	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.175	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.174	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.173	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.172	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.171	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.170	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.169	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.167	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.166	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.165	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.164	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.163	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.162	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.161	tracks/go/exercises/armstrong-numbers/example.go
trackler-2.2.1.160	tracks/go/exercises/armstrong-numbers/example.go