Курнат Андрей
38 lines
825 B
Go
38 lines
825 B
Go
package mathutil
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import (
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"math/rand"
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"time"
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)
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// RandomInt return a random int at the [min, max)
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//
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// Usage:
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//
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// RandomInt(10, 99)
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// RandomInt(100, 999)
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// RandomInt(1000, 9999)
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func RandomInt(min, max int) int {
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rr := rand.New(rand.NewSource(time.Now().UnixNano()))
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return min + rr.Intn(max-min)
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}
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// RandInt alias of RandomInt()
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func RandInt(min, max int) int { return RandomInt(min, max) }
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// RandIntWithSeed alias of RandomIntWithSeed()
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func RandIntWithSeed(min, max int, seed int64) int {
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return RandomIntWithSeed(min, max, seed)
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}
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// RandomIntWithSeed return a random int at the [min, max)
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//
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// Usage:
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//
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// seed := time.Now().UnixNano()
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// RandomIntWithSeed(1000, 9999, seed)
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func RandomIntWithSeed(min, max int, seed int64) int {
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rr := rand.New(rand.NewSource(seed))
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return min + rr.Intn(max-min)
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}
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