Mega Code Archive
Use bitwise AND to make a number even
<![CDATA[
using System;
class Example {
public static void Main() {
ushort num;
ushort i;
for(i = 1; i <= 10; i++) {
num = i;
Console.WriteLine("num: " + num);
num = (ushort) (num & 0xFFFE); // num & 1111 1110
Console.WriteLine("num after turning off bit zero: "
+ num + "\n");
}
}
}
num: 1
num after turning off bit zero: 0
num: 2
num after turning off bit zero: 2
num: 3
num after turning off bit zero: 2
num: 4
num after turning off bit zero: 4
num: 5
num after turning off bit zero: 4
num: 6
num after turning off bit zero: 6
num: 7
num after turning off bit zero: 6
num: 8
num after turning off bit zero: 8
num: 9
num after turning off bit zero: 8
num: 10
num after turning off bit zero: 10
]]>