int int1, int2, int3;
 
// miscellaneous code
 
int3 = int1^int2;   // assign int3 to be bitwise XOR of num1 and num2

 
unsigned char long1 = '0xFF';
unsigned char long2 = '0xFF';
unsigned char long3 = '0xFF';
unsigned char long4 = '0xFF';
 
int long5 = long1 + long2 + long3 + long4;
 
 
int proper_longitude;
 
proper_longitude = longitude^long5;

unsigned int long5 = 0xFFFFFFFF;

#include <iostream>
using namespace std;
 
int main ()
{
    int num1 = 0xFFFD5538;
    cout << "0xFFFD5538 stored as an int is " << num1 << endl;
    unsigned int num2 = 0xFFFD5538;
    cout << "0xFFFD5538 stored as an unsigned int is " << num2 << endl;
    int num3 = 0x7FFFFFFF;
    cout << "0x7FFFFFFF stored as an int is " << num3 << endl;
    unsigned int num4 = 0x7FFFFFFF;
    cout << "0x7FFFFFFF stored as an int is " << num4 << endl;
    int num5 = 0x12345678;
    cout << "0x12345678 stored as an int is " << num5 << endl;
    int num6 = 0x12345678^0xFFFFFFFF;
    cout << "0x12345678 with its bits flipped is " << num6 << endl;
    cout << "Compare the last two numbers.  The second is the negative of "
         << "the first, but off by 1. That's why you add 1 after flipping bits."
         << endl;
    int num8 = 0xEDCBA987;
    cout << "0xEDCBA987 stored as an int is " << num8 << endl;
    cout << "the last two numbers should be equal." << endl;
    return 0;
}

 
	infile.read (&bytes1,sizeof (bytes1)) ;     // read in byte 0x7A
	infile.read (&bytes2,sizeof (bytes2)) ;     //read in byte 0x72
	infile.read (&bytes3,sizeof (bytes3)) ;     //read in byte 0xFC
	infile.read (&bytes4,sizeof (bytes4)) ;    //read in byte 0xFF
 
      int longitude;
		longitude = (bytes4 << 4) | (bytes3 << 16) | (bytes2 << 8) | bytes1 ;