1// { dg-do run  }
2extern "C" int printf (const char *, ...);
3template <class T> T max (const T&x, const T&y)
4{
5  return (x>y)?x:y;
6}
7
8class complex
9{
10  double re, im;
11 public:
12  complex (double r, double i=0) { re = r; im = i; }
13  friend int operator > (const complex& x, const complex &y);
14  void print () { printf ("re = %g; im = %g;\n", re, im); }
15};
16int operator >(const complex& x, const complex &y)
17{
18  double c1 = x.re * x.re + x.im * x.im;
19  double c2 = y.re * y.re + y.im * y.im;
20  return c1 > c2;
21}
22
23int main ()
24{
25  complex c1 (1, 0);
26  complex c2 (2, 0);
27  complex c3 (2, 3);
28  complex c4 (2, 1);
29
30  complex m1 = max (c1, c2);
31  complex m2 = max (c3, c4);
32  m1.print ();
33  m2.print ();
34  return 0;
35}
36