Go by Example: Random Numbers

Go’ning math/rand/v2 paketi psevdotasodifiy son generatsiyasini ta’minlaydi.

 
package main
 
import (
    "fmt"
    "math/rand/v2"
)
 
func main() {

Masalan, rand.IntN tasodifiy int n ni qaytaradi, 0 <= n < 100.

 
    fmt.Print(rand.IntN(100), ",")
    fmt.Print(rand.IntN(100))
    fmt.Println()

rand.Float64 float64 f ni qaytaradi, 0.0 <= f < 1.0.

 
    fmt.Println(rand.Float64())

Bundan boshqa oraliqlarda tasodifiy float lar generatsiya qilish uchun foydalanish mumkin, masalan 5.0 <= f' < 10.0.

 
    fmt.Print((rand.Float64()*5)+5, ",")
    fmt.Print((rand.Float64() * 5) + 5)
    fmt.Println()

Agar sizga ma’lum seed kerak bo’lsa, yangi rand.Source yarating va uni New konstruktoriga uzating. NewPCG ikkita uint64 sondan iborat seed talab qiladigan yangi PCG manbasini yaratadi.

 
    s2 := rand.NewPCG(42, 1024)
    r2 := rand.New(s2)
    fmt.Print(r2.IntN(100), ",")
    fmt.Print(r2.IntN(100))
    fmt.Println()
 
    s3 := rand.NewPCG(42, 1024)
    r3 := rand.New(s3)
    fmt.Print(r3.IntN(100), ",")
    fmt.Print(r3.IntN(100))
    fmt.Println()
}

Generatsiya qilingan sonlarning ba’zilari namunani ishga tushirganingizda boshqacha bo’lishi mumkin.

 
$ go run random-numbers.go
68,56
0.8090228139659177
5.840125017402497,6.937056298890035
94,49
94,49

Go ta’minlay oladigan boshqa tasodifiy miqdorlar haqida ma’lumot olish uchun math/rand/v2 paketi hujjatlariga qarang.

Keyingi misol: .

mualliflar: Mark McGranaghan va Eli Bendersky | tarjima: @elchintoyirov | manba | litsenziya