libcxx/test/std/numerics/rand/rand.dis/rand.dist.samp/rand.dist.samp.pconst/ctor_default.pass.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: c++98, c++03

// <random>

// template<class RealType = double>
// class piecewise_constant_distribution

// piecewise_constant_distribution(initializer_list<double> wl);

#include <random>
#include <cassert>

#include "test_macros.h"

int main(int, char**)
{
    {
        typedef std::piecewise_constant_distribution<> D;
        D d;
        std::vector<double> iv = d.intervals();
        assert(iv.size() == 2);
        assert(iv[0] == 0);
        assert(iv[1] == 1);
        std::vector<double> dn = d.densities();
        assert(dn.size() == 1);
        assert(dn[0] == 1);
    }

  return 0;
}