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 normal_distribution
14 
15 // explicit normal_distribution(result_type mean = 0, result_type stddev = 1);
16 
17 #include <random>
18 #include <cassert>
19 
20 int main()
21 {
22     {
23         typedef std::normal_distribution<> D;
24         D d;
25         assert(d.mean() == 0);
26         assert(d.stddev() == 1);
27     }
28     {
29         typedef std::normal_distribution<> D;
30         D d(14.5);
31         assert(d.mean() == 14.5);
32         assert(d.stddev() == 1);
33     }
34     {
35         typedef std::normal_distribution<> D;
36         D d(14.5, 5.25);
37         assert(d.mean() == 14.5);
38         assert(d.stddev() == 5.25);
39     }
40 }
41