48 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// UNSUPPORTED: no-localization10 11// <random>12 13// template<class IntType = int>14// class discrete_distribution15 16// template <class charT, class traits>17// basic_ostream<charT, traits>&18// operator<<(basic_ostream<charT, traits>& os,19// const discrete_distribution& x);20//21// template <class charT, class traits>22// basic_istream<charT, traits>&23// operator>>(basic_istream<charT, traits>& is,24// discrete_distribution& x);25 26#include <random>27#include <sstream>28#include <cassert>29 30#include "test_macros.h"31 32int main(int, char**)33{34 {35 typedef std::discrete_distribution<> D;36 double p0[] = {.3, .1, .6};37 D d1(p0, p0+3);38 std::ostringstream os;39 os << d1;40 std::istringstream is(os.str());41 D d2;42 is >> d2;43 assert(d1 == d2);44 }45 46 return 0;47}48