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 // explicit discrete_distribution(const param_type& parm);
16 
17 #include <random>
18 #include <cassert>
19 
main()20 int main()
21 {
22     {
23         typedef std::discrete_distribution<> D;
24         typedef D::param_type P;
25         double p0[] = {10, 30};
26         P pa(p0, p0+2);
27         D d(pa);
28         std::vector<double> p = d.probabilities();
29         assert(p.size() == 2);
30         assert(p[0] == 0.25);
31         assert(p[1] == 0.75);
32     }
33 }
34