C#无符号右移

/// <summary>

/// 无符号右移，与JS中的>>>等价

/// </summary>

/// <param name="x">要移位的数</param>

/// <param name="y">移位数</param>

/// <returns></returns>

public static int UIntMoveRight(int x, int y)

{

int mask = 0x7fffffff; //Integer.MAX_VALUE

for (int i = 0; i < y; i++)

{

x >>= 1;

x &= mask;

}

return x;

}