함수 rand between() 문서 원본 보기

[[category: 수학]]
{{lowercase title}}
;rand_between
;randint
*rand_between(1,6) → 1 or 2 or 3 or 4 or 5 or 6 (Uniform distribution)

==Bash==
[[category: bash]]
<syntaxhighlight lang='bash'>
MIN=1
MAX=6
R=$(($MIN+RANDOM%($MAX-$MIN+1)))
echo $R
# 1-6
</syntaxhighlight>
<syntaxhighlight lang='bash'>
function rand_between() {
  echo $(($1+RANDOM%($2-$1+1)))
}
R=`rand_between 1 6`
echo $R
# 1-6
</syntaxhighlight>

==Excel==
[[category: Excel]]
<syntaxhighlight lang='php'>
=RANDBETWEEN(1,6)
</syntaxhighlight>

==Go==
[[분류: Go]]
{{참고|Go randBetween()}}
<syntaxhighlight lang='go'>
package main

import (
	"fmt"
	"math/rand"
)

func randBetween(min, max int) int {
	return rand.Intn(max-min+1) + min
}

func main() {
	fmt.Println(randBetween(1, 6))
}
</syntaxhighlight>

==Java==
[[category: Java]]
<syntaxhighlight lang='java'>
import java.util.Random;

private static final Random rng = new Random();

public static int randBetween(int min, int max) {
  return min + rng.nextInt(max-min+1);
}
</syntaxhighlight>

==JavaScript==
[[category: JavaScript]]
<syntaxhighlight lang='javascript'>
function rand_between(min, max) {
  return min + Math.ceil( (max-min+1) * Math.random() ) - 1;
}
</syntaxhighlight>
<syntaxhighlight lang='JavaScript'>
var r = Math.floor(Math.random() * 3);
// range 0~2
</syntaxhighlight>

==Lua==
[[분류: Lua]]
{{참고|lua math.random()}}
<syntaxhighlight lang='lua' run>
local r = math.random(1, 6)
print(r) -- 1-6
</syntaxhighlight>

==Objective-C==
[[category: Objective-C]]
<syntaxhighlight lang='objc'>
- (int)rand_between:(int)min and:(int)max {
  return min + arc4random() % (max - min + 1)
}
</syntaxhighlight>

==Perl==
[[category: Perl]]
<syntaxhighlight lang='perl'>
sub rand_between {
  my ($min, $max) = @_;
  return $min + int(rand($max-$min+1));
}
</syntaxhighlight>

==PHP==
[[category: PHP]]
{{참고|PHP mt_rand()}}
{{참고|PHP rand()}}
<syntaxhighlight lang='php'>
$r = mt_rand(1,6);
</syntaxhighlight>
<syntaxhighlight lang='php'>
$r = rand(1,6);
</syntaxhighlight>

==Python==
[[category: Python]]
<syntaxhighlight lang='python'>
import random
r = random.randint(1,6)
</syntaxhighlight>
<syntaxhighlight lang='python'>
from random import randint
r = randint(1,6)
</syntaxhighlight>

==Ruby==
[[category: Ruby]]
<syntaxhighlight lang='ruby'>
def rand_between(min, max)
  min + rand(max-min+1)
end
</syntaxhighlight>

==Windows Batch==
<syntaxhighlight lang='batch'>
@echo off
SET MIN=1
SET MAX=6
SET /A R=%RANDOM% * %MAX% / 32768 + %MIN%
echo %R%
REM 1-6
</syntaxhighlight>

==SQL==
[[category: SQL]]
===MySQL===
[[category: MySQL]]
<syntaxhighlight lang='mysql'>
SELECT ROUND( RAND() * (10-6) +6 )
</syntaxhighlight>

==같이 보기==
* [[rand]]
* [[shuffle]]
* [[함수 rand_choice()]]

==참고==
*http://eqcode.com/wiki/Rand_between