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 // UNSUPPORTED: libcpp-has-no-localization
10
11 // <random>
12
13 // template<class IntType = int>
14 // class poisson_distribution
15
16 // template <class CharT, class Traits, class IntType>
17 // basic_ostream<CharT, Traits>&
18 // operator<<(basic_ostream<CharT, Traits>& os,
19 // const poisson_distribution<RealType>& x);
20
21 // template <class CharT, class Traits, class IntType>
22 // basic_istream<CharT, Traits>&
23 // operator>>(basic_istream<CharT, Traits>& is,
24 // poisson_distribution<RealType>& x);
25
26 #include <random>
27 #include <sstream>
28 #include <cassert>
29
30 #include "test_macros.h"
31
main(int,char **)32 int main(int, char**)
33 {
34 {
35 typedef std::poisson_distribution<> D;
36 D d1(7);
37 std::ostringstream os;
38 os << d1;
39 std::istringstream is(os.str());
40 D d2;
41 is >> d2;
42 assert(d1 == d2);
43 }
44
45 return 0;
46 }
47