move common code into Util header

UnitTests/DataStructures/StaticRTreeTest.cpp

@@ -1,9 +1,11 @@
 #include "../../DataStructures/StaticRTree.h"
 #include "../../DataStructures/QueryNode.h"
 #include "../../DataStructures/EdgeBasedNode.h"
-#include "../../Include/osrm/Coordinate.h"
+#include "../../Util/NumericUtil.h"
 #include "../../typedefs.h"
 
+#include <osrm/Coordinate.h>
+
 #include <boost/test/unit_test.hpp>
 #include <boost/test/test_case_template.hpp>
 #include <boost/mpl/list.hpp>
@@ -156,12 +158,6 @@ public:
         return result_phantom_node.location.isValid();
     }
 
-    template<typename FloatT>
-    inline bool EpsilonCompare(const FloatT d1, const FloatT d2) const
-    {
-        return (std::abs(d1 - d2) < std::numeric_limits<FloatT>::epsilon());
-    }
-
 private:
     const std::shared_ptr<std::vector<FixedPointCoordinate>>& coords;
     const std::vector<TestData>& edges;