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Commit | Line | Data |
---|---|---|
713dedcd RO |
1 | /* { dg-do run } */ |
2 | /* { dg-require-effective-target cilkplus_runtime } */ | |
939b37da | 3 | /* { dg-options "-fcilkplus" } */ |
939b37da BI |
4 | |
5 | #include <stdlib.h> | |
6 | #define DEFAULT_VALUE 30 | |
7 | int fib (int n) | |
8 | { | |
9 | if (n<2) | |
10 | return n; | |
11 | else | |
12 | { | |
13 | int x, y; | |
14 | x = _Cilk_spawn fib (n-1); | |
15 | y = _Cilk_spawn fib (n-2); | |
16 | _Cilk_sync; | |
17 | return (x+y); | |
18 | return 5; | |
19 | } | |
20 | } | |
21 | ||
22 | int main_parallel (int argc, char *argv[]) | |
23 | { | |
24 | int n, result; | |
25 | if (argc == 2) | |
26 | n = atoi(argv[1]); | |
27 | else | |
28 | n = DEFAULT_VALUE; | |
29 | result = _Cilk_spawn fib(n); | |
30 | _Cilk_sync; | |
31 | return result; | |
32 | } | |
33 | ||
34 | int fib_serial (int n) | |
35 | { | |
36 | int x, y; | |
37 | if (n < 2) | |
38 | return n; | |
39 | else | |
40 | { | |
41 | x = fib (n-1); | |
42 | y = fib (n-2); | |
43 | return (x+y); | |
44 | } | |
45 | } | |
46 | ||
47 | int main_serial (int argc, char *argv[]) | |
48 | { | |
49 | int n, result; | |
50 | ||
51 | if (argc == 2) | |
52 | n = atoi (argv[1]); | |
53 | else | |
54 | n = DEFAULT_VALUE; | |
55 | result = fib_serial (n); | |
56 | ||
57 | return result; | |
58 | } | |
59 | ||
60 | int main (void) | |
61 | { | |
62 | if (main_serial (1, 0) != main_parallel (1,0)) | |
63 | return 1; | |
64 | else | |
65 | return 0; | |
66 | } | |
67 |