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 discrete_distribution
14
15 // template <class charT, class traits>
16 // basic_ostream<charT, traits>&
17 // operator<<(basic_ostream<charT, traits>& os,
18 // const discrete_distribution& x);
19 //
20 // template <class charT, class traits>
21 // basic_istream<charT, traits>&
22 // operator>>(basic_istream<charT, traits>& is,
23 // discrete_distribution& x);
24
25 #include <random>
26 #include <sstream>
27 #include <cassert>
28
main()29 int main()
30 {
31 {
32 typedef std::discrete_distribution<> D;
33 double p0[] = {.3, .1, .6};
34 D d1(p0, p0+3);
35 std::ostringstream os;
36 os << d1;
37 std::istringstream is(os.str());
38 D d2;
39 is >> d2;
40 assert(d1 == d2);
41 }
42 }
43