반올림 함수 round() 편집하기

[[Category:Math]]
*Rounds a float
*round
*number_format

==Java==
[[Category:Java]]
<source lang='java'>
int i = Math.round(1.5F); // 2
</source>
<source lang='java'>
String str = String.format("%.3f", 1.2345678); // 1.235
</source>

==JavaScript==
[[category:JavaScript]]
<source lang='JavaScript'>
console.log( Math.round(10.6) ); // 11
</source>

==PHP==
[[Category:PHP]]
<source lang='php'>
echo round(7.4);         // 7
echo round(7.5);         // 8
echo round(7.6);         // 8
</source>
<source lang='php'>
echo round(7.7, 0);         // 8
echo round(3.14159, 2);  // 3.14
</source>
<source lang='php'>
echo number_format(9.98);  // 10
echo number_format(-9.98);  // -10
echo number_format(3.14159, 0);  // 3
echo number_format(3.14159, 2);  // 3.14
echo number_format(-3.14159, 0);  // -3
echo number_format(-3.14159, 2);  // -3.14
</source>

==SQL==
[[Category:SQL]]
===MySQL===
[[Category:MySQL]]
<source lang='sql'>
SELECT ROUND(2.71828, 2);
-- 2.72
</source>

===PostgreSQL===
[[Category:PostgreSQL]]
*[[#MySQL|See MySQL]]

==같이 보기==
*[[floor]]
*[[ceil]]
*[[byte to kilobyte]]
*[[반올림]]