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 p, size_t r>
13// class discard_block_engine
14// {
15// public:
16//     // types
17//     typedef typename Engine::result_type result_type;
18//
19//     // engine characteristics
20//     static constexpr size_t block_size = p;
21//     static constexpr size_t used_block = r;
22//     static constexpr result_type min() { return Engine::min(); }
23//     static constexpr result_type max() { return Engine::max(); }
24
25#include <random>
26#include <type_traits>
27#include <cassert>
28
29template <class _Tp>
30void where(const _Tp &) {}
31
32void
33test1()
34{
35    typedef std::ranlux24 E;
36    static_assert((E::block_size == 223), "");
37    static_assert((E::used_block == 23), "");
38    /*static_*/assert((E::min() == 0)/*, ""*/);
39    /*static_*/assert((E::max() == 0xFFFFFF)/*, ""*/);
40    where(E::block_size);
41    where(E::used_block);
42}
43
44void
45test2()
46{
47    typedef std::ranlux48 E;
48    static_assert((E::block_size == 389), "");
49    static_assert((E::used_block == 11), "");
50    /*static_*/assert((E::min() == 0)/*, ""*/);
51    /*static_*/assert((E::max() == 0xFFFFFFFFFFFFull)/*, ""*/);
52    where(E::block_size);
53    where(E::used_block);
54}
55
56int main()
57{
58    test1();
59    test2();
60}
61