X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fmath%2FSGGeoc.hxx;h=cb603bc4bc89457392eea98c1f3861772f4c69e5;hb=7a52c2fa71355631a559d74e0860fa6c5efa424e;hp=7559dbf653673a42f08c74da6eadd5ef6eaf22e4;hpb=3fcc16c1a0efed1cf5c98bce6868d252a934cb3e;p=simgear.git

diff --git a/simgear/math/SGGeoc.hxx b/simgear/math/SGGeoc.hxx
index 7559dbf6..cb603bc4 100644
--- a/simgear/math/SGGeoc.hxx
+++ b/simgear/math/SGGeoc.hxx
@@ -74,6 +74,13 @@ public:
   /// Set the geocentric radius from the argument given in feet
   void setRadiusFt(double radius);
 
+  SGGeoc advanceRadM(double course, double distance) const;
+  static double courseRad(const SGGeoc& from, const SGGeoc& to);
+  static double courseDeg(const SGGeoc& from, const SGGeoc& to);
+  static double distanceM(const SGGeoc& from, const SGGeoc& to);
+
+  // Compare two geocentric positions for equality
+  bool operator == ( const SGGeoc & other ) const;
 private:
   /// This one is private since construction is not unique if you do
   /// not know the units of the arguments, use the factory methods for
@@ -288,6 +295,45 @@ SGGeoc::setRadiusFt(double radius)
   _radius = radius*SG_FEET_TO_METER;
 }
 
+inline
+SGGeoc
+SGGeoc::advanceRadM(double course, double distance) const
+{
+  SGGeoc result;
+  SGGeodesy::advanceRadM(*this, course, distance, result);
+  return result;
+}
+
+inline
+double
+SGGeoc::courseRad(const SGGeoc& from, const SGGeoc& to)
+{
+  return SGGeodesy::courseRad(from, to);
+}
+
+inline
+double
+SGGeoc::courseDeg(const SGGeoc& from, const SGGeoc& to)
+{
+  return SGMiscd::rad2deg(courseRad(from, to));
+}
+
+inline
+double
+SGGeoc::distanceM(const SGGeoc& from, const SGGeoc& to)
+{
+  return SGGeodesy::distanceM(from, to);
+}
+
+inline
+bool
+SGGeoc::operator == ( const SGGeoc & other ) const
+{
+  return _lon == other._lon &&
+         _lat == other._lat &&
+         _radius == other._radius;
+}
+
 /// Output to an ostream
 template<typename char_type, typename traits_type>
 inline