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 Engine, size_t w, class UIntType>
13 // class independent_bits_engine
14 
15 // template<class Sseq> void seed(Sseq& q);
16 
17 #include <random>
18 #include <cassert>
19 
20 void
21 test1()
22 {
23     unsigned a[] = {3, 5, 7};
24     std::seed_seq sseq(a, a+3);
25     std::independent_bits_engine<std::ranlux24, 32, unsigned> e1;
26     std::independent_bits_engine<std::ranlux24, 32, unsigned> e2(sseq);
27     assert(e1 != e2);
28     e1.seed(sseq);
29     assert(e1 == e2);
30 }
31 
32 void
33 test2()
34 {
35     unsigned a[] = {3, 5, 7};
36     std::seed_seq sseq(a, a+3);
37     std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e1;
38     std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e2(sseq);
39     assert(e1 != e2);
40     e1.seed(sseq);
41     assert(e1 == e2);
42 }
43 
44 int main()
45 {
46     test1();
47     test2();
48 }
49