1 /* 2 * function-overloading.cpp 3 * 4 * zeigt das Ueberladen von Methoden. 5 * Beispielprogramm zur Systemprogrammierung, Teil 6. 6 * 7 * Autor: H.Drachenfels 8 * Version: 2.6.2023 9 */

10 #include <iostream>

11

12 int max(int, int);

13 double max(double, double);

14 extern "C" int max(int, int, int);

15 //extern "C" double max(double, double, double); // Namenskonflikt

16

17 int main()

18 {

19 std::cout << max(1, 2) << '\n';

20 //std::cout << max(1, 2.3) << '\n'; // mehrdeutig

21 std::cout << max(static_cast<double>(1), 2.3) << '\n';

22 std::cout << max(1, 2, 3) << '\n';

23 }

24

25 int max(int a, int b)

26 {

27 return a > b ? a : b;

28 }

29

30 double max(double a, double b)

31 {

32 return a > b ? a : b;

33 }

34

35 int max(int a, int b, int c)

36 {

37 return max(a, max(b, c));

38 }

39