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 // <random>
10 
11 // template<class IntType = int>
12 // class discrete_distribution
13 
14 // explicit discrete_distribution(const param_type& parm);
15 
16 #include <random>
17 
18 #include <cassert>
19 #include <vector>
20 
21 #include "test_macros.h"
22 
main(int,char **)23 int main(int, char**)
24 {
25     {
26         typedef std::discrete_distribution<> D;
27         typedef D::param_type P;
28         double p0[] = {10, 30};
29         P pa(p0, p0+2);
30         D d(pa);
31         std::vector<double> p = d.probabilities();
32         assert(p.size() == 2);
33         assert(p[0] == 0.25);
34         assert(p[1] == 0.75);
35     }
36 
37   return 0;
38 }
39