58 lines · cpp
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-exception6//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// void discard(unsigned long long z);17 18#include <random>19#include <cassert>20 21#include "test_macros.h"22 23void24test1()25{26 std::mt19937 e1;27 std::mt19937 e2 = e1;28 assert(e1 == e2);29 e1.discard(3);30 assert(e1 != e2);31 (void)e2();32 (void)e2();33 (void)e2();34 assert(e1 == e2);35}36 37void38test2()39{40 std::mt19937_64 e1;41 std::mt19937_64 e2 = e1;42 assert(e1 == e2);43 e1.discard(3);44 assert(e1 != e2);45 (void)e2();46 (void)e2();47 (void)e2();48 assert(e1 == e2);49}50 51int main(int, char**)52{53 test1();54 test2();55 56 return 0;57}58