1 typedef unsigned long long ULL;
2 ULL back;
3 ULL hpart, lpart;
4 ULL
build(long h,long l)5 build(long h, long l)
6 {
7   hpart = h;
8   hpart <<= 32;
9   lpart = l;
10   lpart &= 0xFFFFFFFFLL;
11   back = hpart | lpart;
12   return back;
13 }
14 
main()15 main()
16 {
17   if (build(0, 1) != 0x0000000000000001LL)
18     abort();
19   if (build(0, 0) != 0x0000000000000000LL)
20     abort();
21   if (build(0, 0xFFFFFFFF) != 0x00000000FFFFFFFFLL)
22     abort();
23   if (build(0, 0xFFFFFFFE) != 0x00000000FFFFFFFELL)
24     abort();
25   if (build(1, 1) != 0x0000000100000001LL)
26     abort();
27   if (build(1, 0) != 0x0000000100000000LL)
28     abort();
29   if (build(1, 0xFFFFFFFF) != 0x00000001FFFFFFFFLL)
30     abort();
31   if (build(1, 0xFFFFFFFE) != 0x00000001FFFFFFFELL)
32     abort();
33   if (build(0xFFFFFFFF, 1) != 0xFFFFFFFF00000001LL)
34     abort();
35   if (build(0xFFFFFFFF, 0) != 0xFFFFFFFF00000000LL)
36     abort();
37   if (build(0xFFFFFFFF, 0xFFFFFFFF) != 0xFFFFFFFFFFFFFFFFLL)
38     abort();
39   if (build(0xFFFFFFFF, 0xFFFFFFFE) != 0xFFFFFFFFFFFFFFFELL)
40     abort();
41   exit(0);
42 }
43