Created
April 30, 2018 02:38
-
-
Save ATMarcks/aa34c67b7a5226c4fb74edbacb102c9d to your computer and use it in GitHub Desktop.
Java round double
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| public class ExcellentRounding { | |
| public static void main(String []args){ | |
| double x = -23.1; | |
| System.out.println(x); | |
| int rounded = round(x); | |
| System.out.println(rounded); | |
| } | |
| public static int round(double x) { | |
| if (~((int)x >> 31) == 0 ? false : true) { | |
| if (((int)(x * 10) % 10) >= 5) { | |
| return (int)(x + 1); | |
| } else { | |
| return (int)(x); | |
| } | |
| } else { | |
| if ((~((int)(x * 10)) % 10) + 1 >= 5) { | |
| return (int)(x - 1); | |
| } else { | |
| return (int)(x); | |
| } | |
| } | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment