Mercurial > op > Looping
comparison Looping.go @ 10:308cc64c24b9 >>178
Goのソースコードを追加。
| author | "uncorrelated zombie" <uncorrelated@yahoo.co.jp> |
|---|---|
| date | Thu, 24 Feb 2011 07:31:17 +0900 |
| parents | |
| children |
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| 9:30b521e712f5 | 10:308cc64c24b9 |
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| 1 package main | |
| 2 | |
| 3 import fmt "fmt" | |
| 4 import tm "time" | |
| 5 | |
| 6 type Looping struct { | |
| 7 n0 int; | |
| 8 } | |
| 9 | |
| 10 func (this *Looping) calc(n int) (int) { | |
| 11 var n1 = this.n0 + (1 - 2*(n%2)) | |
| 12 this.n0 = n | |
| 13 return n1 | |
| 14 } | |
| 15 | |
| 16 func NewLooping () *Looping { | |
| 17 var o = new(Looping) | |
| 18 o.n0 = 0 | |
| 19 return o | |
| 20 } | |
| 21 | |
| 22 func main() { | |
| 23 var o = NewLooping() | |
| 24 var n = 1 | |
| 25 var t1 = tm.Nanoseconds() | |
| 26 for c:=0; c<2147483647; c++ { | |
| 27 n = o.calc(n) | |
| 28 } | |
| 29 var t2 = tm.Nanoseconds() | |
| 30 fmt.Printf("%d\nGo:\t%f\n", n, ((float64)(t2 - t1))/1000000000) | |
| 31 } | |
| 32 |