test/numerics/rand/rand.dis/rand.dist.samp/rand.dist.samp.discrete/ctor_param.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <random>

// template<class IntType = int>
// class discrete_distribution

// explicit discrete_distribution(const param_type& parm);

#include <random>
#include <cassert>

int main()
{
    {
        typedef std::discrete_distribution<> D;
        typedef D::param_type P;
        double p0[] = {10, 30};
        P pa(p0, p0+2);
        D d(pa);
        std::vector<double> p = d.probabilities();
        assert(p.size() == 2);
        assert(p[0] == 0.25);
        assert(p[1] == 0.75);
    }
}