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 // void discard(unsigned long long z);
16
17 #include <random>
18 #include <cassert>
19
20 void
test1()21 test1()
22 {
23 std::independent_bits_engine<std::ranlux24, 32, unsigned> e1;
24 std::independent_bits_engine<std::ranlux24, 32, unsigned> e2 = e1;
25 assert(e1 == e2);
26 e1.discard(3);
27 assert(e1 != e2);
28 e2();
29 e2();
30 e2();
31 assert(e1 == e2);
32 }
33
34 void
test2()35 test2()
36 {
37 std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e1;
38 std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e2 = e1;
39 assert(e1 == e2);
40 e1.discard(3);
41 assert(e1 != e2);
42 e2();
43 e2();
44 e2();
45 assert(e1 == e2);
46 }
47
main()48 int main()
49 {
50 test1();
51 test2();
52 }
53