Ticket #11982: test_distance.cc

#include <iostream>
#include <boost/geometry.hpp>

namespace bg = boost::geometry;
typedef bg::model::point<double, 2, bg::cs::spherical_equatorial<bg::degree> > pt;
typedef bg::model::linestring<pt> pt_line;

int main()
{
    const double earthRadius = 6371.0 * 1000.0;
    pt oslo(10.733557, 59.911923);
    pt sandvika(10.521812, 59.887214);
    pt trondheim(10.4, 63.43);

    // works correct
    double d1 = bg::distance(sandvika, trondheim, bg::strategy::distance::haversine<double>(earthRadius));
    double d2 = bg::distance(oslo, trondheim, bg::strategy::distance::haversine<double>(earthRadius));
    std::cout << "Sandvika-Trondheim " << d1 << std::endl;
    std::cout << "Oslo-Trondheim     " << d2 << std::endl;

    pt_line ll;
    ll.push_back(oslo);
    ll.push_back(sandvika);

    // Does not work
    double d3 = bg::distance(trondheim, ll, bg::strategy::distance::haversine<double>(earthRadius));
    std::cout << "Oslo-Sandvika - Trondheim " << d3 << std::endl;

    return 0;
}