Using LatLon for WGS coordinates in cross routing.

1 files changed, 24 insertions, 1 deletions

diff --git a/geometry/latlon.hpp b/geometry/latlon.hpp
index d5512993f6..4d5d105c29 100644
--- a/geometry/latlon.hpp
+++ b/geometry/latlon.hpp
@@ -1,5 +1,7 @@
 #pragma once
 
+#include "base/math.hpp"
+
 #include "std/string.hpp"
 
 namespace ms
@@ -9,8 +11,29 @@ namespace ms
 class LatLon
 {
 public:
-  LatLon(double lat, double lon) : lat(lat), lon(lon) {}
   double lat, lon;
+
+  LatLon(double lat, double lon) : lat(lat), lon(lon) {}
+
+  static LatLon Zero() { return LatLon(0., 0.); }
+
+  bool operator == (ms::LatLon const & p) const
+  {
+    return lat == p.lat && lon == p.lon;
+  }
+
+  bool EqualDxDy(LatLon const & p, double eps) const
+  {
+    return ((fabs(lat - p.lat) < eps) && (fabs(lon - p.lon) < eps));
+  }
+
+  struct Hash
+  {
+    size_t operator()(ms::LatLon const & p) const
+    {
+      return my::Hash(p.lat, p.lon);
+    }
+  };
 };
 
 string DebugPrint(LatLon const & t);