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math_utils.go
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/
math_utils.go
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package utils
import (
"math/rand"
"time"
)
func Min(x, y int) int {
if x < y {
return x
}
return y
}
func Max(x, y int) int {
if x > y {
return x
}
return y
}
func MinByte(x, y byte) byte {
return byte(Min(int(x), int(y)))
}
func MaxByte(x, y byte) byte {
return byte(Max(int(x), int(y)))
}
func MaxInt64(x, y int64) int64 {
if x > y {
return x
}
return y
}
func MinInt64(x, y int64) int64 {
if x < y {
return x
}
return y
}
func ShuffleString(slice []string) {
r := rand.New(rand.NewSource(time.Now().Unix()))
for len(slice) > 0 {
n := len(slice)
randIndex := r.Intn(n)
slice[n-1], slice[randIndex] = slice[randIndex], slice[n-1]
slice = slice[:n-1]
}
}
func ShuffleInt(slice []int) {
r := rand.New(rand.NewSource(time.Now().Unix()))
for len(slice) > 0 {
n := len(slice)
randIndex := r.Intn(n)
slice[n-1], slice[randIndex] = slice[randIndex], slice[n-1]
slice = slice[:n-1]
}
}