1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <random>
11 
12 // template <class UIntType, size_t w, size_t n, size_t m, size_t r,
13 //           UIntType a, size_t u, UIntType d, size_t s,
14 //           UIntType b, size_t t, UIntType c, size_t l, UIntType f>
15 // class mersenne_twister_engine;
16 
17 // template<class Sseq> void seed(Sseq& q);
18 
19 #include <random>
20 #include <cassert>
21 
22 void
23 test1()
24 {
25     unsigned a[] = {3, 5, 7};
26     std::seed_seq sseq(a, a+3);
27     std::mt19937 e1;
28     std::mt19937 e2(sseq);
29     assert(e1 != e2);
30     e1.seed(sseq);
31     assert(e1 == e2);
32 }
33 
34 void
35 test2()
36 {
37     unsigned a[] = {3, 5, 7};
38     std::seed_seq sseq(a, a+3);
39     std::mt19937_64 e1;
40     std::mt19937_64 e2(sseq);
41     assert(e1 != e2);
42     e1.seed(sseq);
43     assert(e1 == e2);
44 }
45 
46 int main()
47 {
48     test1();
49     test2();
50 }
51