File: ctor_param.pass.cpp

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//===----------------------------------------------------------------------===//
//
//                     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 RealType = double>
// class piecewise_constant_distribution

// explicit piecewise_constant_distribution(const param_type& parm);

#include <random>
#include <cassert>

int main()
{
    {
        typedef std::piecewise_constant_distribution<> D;
        typedef D::param_type P;
        double b[] = {10, 14, 16, 17};
        double p[] = {25, 62.5, 12.5};
        P pa(b, b+4, p);
        D d(pa);
        std::vector<double> iv = d.intervals();
        assert(iv.size() == 4);
        assert(iv[0] == 10);
        assert(iv[1] == 14);
        assert(iv[2] == 16);
        assert(iv[3] == 17);
        std::vector<double> dn = d.densities();
        assert(dn.size() == 3);
        assert(dn[0] == .0625);
        assert(dn[1] == .3125);
        assert(dn[2] == .125);
    }
}