1 unsigned int
f1(int diff)2 f1 (int diff)
3 {
4   return ((unsigned int) (diff < 0 ? -diff : diff));
5 }
6 
7 unsigned int
f2(unsigned int diff)8 f2 (unsigned int diff)
9 {
10   return ((unsigned int) ((signed int) diff < 0 ? -diff : diff));
11 }
12 
13 unsigned long long
f3(long long diff)14 f3 (long long diff)
15 {
16   return ((unsigned long long) (diff < 0 ? -diff : diff));
17 }
18 
19 unsigned long long
f4(unsigned long long diff)20 f4 (unsigned long long diff)
21 {
22   return ((unsigned long long) ((signed long long) diff < 0 ? -diff : diff));
23 }
24 
main()25 main ()
26 {
27   int i;
28   for (i = 0; i <= 10; i++)
29     {
30       if (f1 (i) != i)
31 	abort ();
32       if (f1 (-i) != i)
33 	abort ();
34       if (f2 (i) != i)
35 	abort ();
36       if (f2 (-i) != i)
37 	abort ();
38       if (f3 ((long long) i) != i)
39 	abort ();
40       if (f3 ((long long) -i) != i)
41 	abort ();
42       if (f4 ((long long) i) != i)
43 	abort ();
44       if (f4 ((long long) -i) != i)
45 	abort ();
46     }
47   exit (0);
48 }
49