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
test1()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
test2()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
main()44 int main()
45 {
46 test1();
47 test2();
48 }
49