move geographical distance computation to floats

This commit is contained in:
Dennis Luxen
2014-05-21 12:33:54 +02:00
parent a8ff3231a8
commit 493b13364f
5 changed files with 103 additions and 191 deletions
+13 -12
View File
@@ -31,8 +31,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <functional>
#include <iosfwd> //for std::ostream
constexpr double COORDINATE_PRECISION = 1000000.;
typedef std::pair<double,double> Point;
constexpr float COORDINATE_PRECISION = 1000000.;
struct FixedPointCoordinate
{
@@ -53,10 +52,12 @@ struct FixedPointCoordinate
const FixedPointCoordinate &c2);
static float ApproximateEuclideanDistance(const FixedPointCoordinate &c1,
const FixedPointCoordinate &c2);
const FixedPointCoordinate &c2);
static float
ApproximateEuclideanDistance(const int lat1, const int lon1, const int lat2, const int lon2);
static float ApproximateEuclideanDistance(const int lat1, const int lon1, const int lat2, const int lon2);
static float ApproximateSquaredEuclideanDistance(const FixedPointCoordinate &c1,
const FixedPointCoordinate &c2);
static void convertInternalLatLonToString(const int value, std::string &output);
@@ -66,24 +67,24 @@ struct FixedPointCoordinate
static void convertInternalReversedCoordinateToString(const FixedPointCoordinate &coord,
std::string &output);
static double ComputePerpendicularDistance(const FixedPointCoordinate &point,
static float ComputePerpendicularDistance(const FixedPointCoordinate &point,
const FixedPointCoordinate &segA,
const FixedPointCoordinate &segB);
static double ComputePerpendicularDistance(const FixedPointCoordinate &coord_a,
static float ComputePerpendicularDistance(const FixedPointCoordinate &coord_a,
const FixedPointCoordinate &coord_b,
const FixedPointCoordinate &query_location,
FixedPointCoordinate &nearest_location,
double &r);
float &r);
static double GetBearing(const FixedPointCoordinate &A, const FixedPointCoordinate &B);
static float GetBearing(const FixedPointCoordinate &A, const FixedPointCoordinate &B);
double GetBearing(const FixedPointCoordinate &other) const;
float GetBearing(const FixedPointCoordinate &other) const;
void Output(std::ostream &out) const;
static double DegreeToRadian(const double degree);
static double RadianToDegree(const double radian);
static float DegreeToRadian(const float degree);
static float RadianToDegree(const float radian);
};
inline std::ostream &operator<<(std::ostream &o, FixedPointCoordinate const &c)