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 discrete_distribution
15
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
main(int,char **)32 int 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