#include
using namespace std;
union bits {
bits(double n);
void show_bits();
double d;
unsigned char c[sizeof(double)];
};
bits::bits(double n)
{
d = n;
}
void bits::show_bits()
{
int i, j;
for(j = sizeof(double)-1; j>=0; j--) {
cout << "Bit pattern in byte " << j << ": ";
for(i = 128; i; i >>= 1)
if(i & c[j]) cout << "1";
else cout << "0";
cout << endl;
}
}
int main()
{
bits ob(1991.829);
ob.show_bits();
return 0;
}