关于float

 1 #include <iostream>
 2 using namespace std;
 3 
 4 void main()
 5 {
 6     float a = 1.0f;
 7     cout << (int)a << endl;
 8     cout << (int&)a << endl;
 9     cout << boolalpha << ((int)a == (int&)a) << endl;
10     float b = 0.0f;
11     cout << (int)b << endl;
12     cout << (int&)b << endl;
13     cout << boolalpha << ((int)b == (int&)b) << endl;
14 }