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 IntType = int>
13 // class poisson_distribution
14
15 // template <class CharT, class Traits, class IntType>
16 // basic_ostream<CharT, Traits>&
17 // operator<<(basic_ostream<CharT, Traits>& os,
18 // const poisson_distribution<RealType>& x);
19
20 // template <class CharT, class Traits, class IntType>
21 // basic_istream<CharT, Traits>&
22 // operator>>(basic_istream<CharT, Traits>& is,
23 // poisson_distribution<RealType>& x);
24
25 #include <random>
26 #include <sstream>
27 #include <cassert>
28
main()29 int main()
30 {
31 {
32 typedef std::poisson_distribution<> D;
33 D d1(7);
34 std::ostringstream os;
35 os << d1;
36 std::istringstream is(os.str());
37 D d2;
38 is >> d2;
39 assert(d1 == d2);
40 }
41 }
42