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> explicit independent_bits_engine(Sseq& q);
16
17 #include <random>
18 #include <sstream>
19 #include <cassert>
20
21 void
test1()22 test1()
23 {
24 const char* a = "13604817 711567 9760686 13278398 3323440 175548 5553651 "
25 "3028863 10748297 2216688 275779 14778841 14438394 9483441 4229545 "
26 "14657301 12636508 15978210 1653340 1718567 9272421 14302862 7940348 "
27 "889045 0 0";
28 unsigned as[] = {3, 5, 7};
29 std::seed_seq sseq(as, as+3);
30 std::independent_bits_engine<std::ranlux24, 32, unsigned> e1(sseq);
31 std::ostringstream os;
32 os << e1;
33 assert(os.str() == a);
34 }
35
36 void
test2()37 test2()
38 {
39 const char* a = "241408498702289 172342669275054 191026374555184 "
40 "61020585639411 231929771458953 142769679250755 198672786411514 "
41 "183712717244841 227473912549724 62843577252444 68782400568421 "
42 "159248704678140 0 0";
43 unsigned as[] = {3, 5, 7};
44 std::seed_seq sseq(as, as+3);
45 std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e1(sseq);
46 std::ostringstream os;
47 os << e1;
48 assert(os.str() == a);
49 }
50
main()51 int main()
52 {
53 test1();
54 test2();
55 }
56