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 RealType = double>
13 // class piecewise_linear_distribution
14 
15 // explicit piecewise_linear_distribution(const param_type& parm);
16 
17 #include <random>
18 #include <cassert>
19 
main()20 int main()
21 {
22     {
23         typedef std::piecewise_linear_distribution<> D;
24         typedef D::param_type P;
25         double b[] = {10, 14, 16, 17};
26         double p[] = {25, 62.5, 12.5, 0};
27         P pa(b, b+4, p);
28         D d(pa);
29         std::vector<double> iv = d.intervals();
30         assert(iv.size() == 4);
31         assert(iv[0] == 10);
32         assert(iv[1] == 14);
33         assert(iv[2] == 16);
34         assert(iv[3] == 17);
35         std::vector<double> dn = d.densities();
36         assert(dn.size() == 4);
37         assert(dn[0] == 25/256.25);
38         assert(dn[1] == 62.5/256.25);
39         assert(dn[2] == 12.5/256.25);
40         assert(dn[3] == 0);
41     }
42 }
43