final/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.poisson/ctor_param.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <random>

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

// explicit poisson_distribution(const param_type& parm);

#include <random>
#include <cassert>

int main()
{
    {
        typedef std::poisson_distribution<> D;
        typedef D::param_type P;
        P p(0.25);
        D d(p);
        assert(d.mean() == 0.25);
    }
}