1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <random>
10
11// template <class UIntType, size_t w, size_t n, size_t m, size_t r,
12// UIntType a, size_t u, UIntType d, size_t s,
13// UIntType b, size_t t, UIntType c, size_t l, UIntType f>
14// class mersenne_twister_engine;
15
16// explicit mersenne_twister_engine();
17
18#include <random>
19#include <cassert>
20
21#include "test_macros.h"
22
23void
24test1()
25{
26 std::mt19937 e1;
27 std::mt19937 e2(std::mt19937::default_seed);
28 assert(e1 == e2);
29 assert(e1() == 3499211612u);
30}
31
32void
33test2()
34{
35 std::mt19937_64 e1;
36 std::mt19937_64 e2(std::mt19937_64::default_seed);
37 assert(e1 == e2);
38 assert(e1() == 14514284786278117030ull);
39}
40
41int main(int, char**)
42{
43 test1();
44 test2();
45
46 return 0;
47}
48

source code of libcxx/test/std/numerics/rand/rand.eng/rand.eng.mers/default.pass.cpp