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 UIntType, size_t w, size_t s, size_t r>
13 // class subtract_with_carry_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::ranlux24_base e1;
24     std::ranlux24_base e2 = e1;
25     assert(e1 == e2);
26     e1.discard(3);
27     assert(e1 != e2);
28     (void)e2();
29     (void)e2();
30     (void)e2();
31     assert(e1 == e2);
32 }
33 
34 void
test2()35 test2()
36 {
37     std::ranlux48_base e1;
38     std::ranlux48_base e2 = e1;
39     assert(e1 == e2);
40     e1.discard(3);
41     assert(e1 != e2);
42     (void)e2();
43     (void)e2();
44     (void)e2();
45     assert(e1 == e2);
46 }
47 
main()48 int main()
49 {
50     test1();
51     test2();
52 }
53