Point in Polygin (boost) (simple test)

#include <iostream>
#include <list>

#include <thread>
#include <chrono>

#include <boost/geometry.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#include <boost/geometry/geometries/polygon.hpp>

//#include <boost/geometry/domains/gis/io/wkt/wkt.hpp>

long long timestamp()
{
    return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
}

int main()
{
    typedef boost::geometry::model::d2::point_xy<double> point_type;
    typedef boost::geometry::model::polygon<point_type> polygon_type;

    long long time_sleep_um = timestamp();

    std::cout << time_sleep_um << std::endl;

    polygon_type poly;
    boost::geometry::read_wkt(
        "POLYGON((2 1.3,2.4 1.7,2.8 1.8,3.4 1.2,3.7 1.6,3.4 2,4.1 3,5.3 2.6,5.4 1.2,4.9 0.8,2.9 0.7,2 1.3)"
            "(4.0 2.0, 4.2 1.4, 4.8 1.9, 4.4 2.2, 4.0 2.0))", poly);

    point_type p(40, 1);

    std::cout << "within: " << (boost::geometry::within(p, poly) ? "yes" : "no") << std::endl;

    //std::this_thread::sleep_for(std::chrono::milliseconds(500));
    //--------------
    long long time_sleep_dois = timestamp();

    std::cout << time_sleep_dois << std::endl;
    std::cout << "Tempo de execucao " << time_sleep_dois - time_sleep_um << " milisegundos" << std::endl;

    return 0;
}