//二进制逆序 by MoreWindows( http://blog.csdn.net/MoreWindows )
#include <stdio.h>
//二进制打印函数
template <class T>
void PrintfBinary(T a)
{
int i;
for (i = sizeof(a) * 8 - 1; i >= 0; --i)
{
if ((a >> i) & 1)
putchar('1');
else
putchar('0');
if (i == 8)
putchar(' ');
}
putchar('\n');
}
int main()
{
printf("二进制逆序 \n\n");
printf("逆序前: ");
unsigned short a = 0x1FFF;
PrintfBinary(a);
a = ((a & 0xAAAA) >> 1) | ((a & 0x5555) << 1);
a = ((a & 0xCCCC) >> 2) | ((a & 0x3333) << 2);
a = ((a & 0xF0F0) >> 4) | ((a & 0x0F0F) << 4);
a = ((a & 0xFF00) >> 8) | ((a & 0x00FF) << 8);
printf("逆序后: ");
PrintfBinary(a);
printf("false ");
}
转自:http://blog.csdn.net/MoreWindows