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 charT, class traits,
16 // class Engine, size_t w, class UIntType>
17 // basic_ostream<charT, traits>&
18 // operator<<(basic_ostream<charT, traits>& os,
19 // const independent_bits_engine<Engine, w, UIntType>& x);
20 //
21 // template <class charT, class traits,
22 // class Engine, size_t w, class UIntType>
23 // basic_istream<charT, traits>&
24 // operator>>(basic_istream<charT, traits>& is,
25 // independent_bits_engine<Engine, w, UIntType>& x);
26
27 #include <random>
28 #include <sstream>
29 #include <cassert>
30
31 void
test1()32 test1()
33 {
34 typedef std::independent_bits_engine<std::ranlux24, 32, unsigned> E;
35 E e1;
36 e1.discard(100);
37 std::ostringstream os;
38 os << e1;
39 std::istringstream is(os.str());
40 E e2;
41 is >> e2;
42 assert(e1 == e2);
43 }
44
45 void
test2()46 test2()
47 {
48 typedef std::independent_bits_engine<std::ranlux48, 64, unsigned long long> E;
49 E e1;
50 e1.discard(100);
51 std::ostringstream os;
52 os << e1;
53 std::istringstream is(os.str());
54 E e2;
55 is >> e2;
56 assert(e1 == e2);
57 }
58
main()59 int main()
60 {
61 test1();
62 test2();
63 }
64