osrm-backend/include/extractor/query_node.hpp

#ifndef QUERY_NODE_HPP
#define QUERY_NODE_HPP

#include "util/typedefs.hpp"

#include "osrm/coordinate.hpp"

#include <limits>

namespace osrm
{
namespace extractor
{

struct QueryNode
{
    using key_type = OSMNodeID; // type of NodeID
    using value_type = int;     // type of lat,lons

    explicit QueryNode(int lat, int lon, key_type node_id)
        : lat(lat), lon(lon), node_id(std::move(node_id))
    {
    }
    QueryNode()
        : lat(std::numeric_limits<int>::max()), lon(std::numeric_limits<int>::max()),
          node_id(SPECIAL_OSM_NODEID)
    {
    }

    int lat;
    int lon;
    key_type node_id;

    static QueryNode min_value()
    {
        return QueryNode(static_cast<int>(-90 * COORDINATE_PRECISION),
                         static_cast<int>(-180 * COORDINATE_PRECISION), MIN_OSM_NODEID);
    }

    static QueryNode max_value()
    {
        return QueryNode(static_cast<int>(90 * COORDINATE_PRECISION),
                         static_cast<int>(180 * COORDINATE_PRECISION), MAX_OSM_NODEID);
    }
};
}
}

#endif // QUERY_NODE_HPP