removing all FLT_EPSILONs

Descriptors/DescriptionFactory.cpp

@@ -166,7 +166,7 @@ void DescriptionFactory::Run(const SearchEngine &sEngine, const unsigned zoomLev
     //    SimpleLogger().Write() << "#segs: " << pathDescription.size();
 
     //Post-processing to remove empty or nearly empty path segments
-    if(FLT_EPSILON > pathDescription.back().length) {
+    if(std::numeric_limits<double>::epsilon() > pathDescription.back().length) {
         //        SimpleLogger().Write() << "#segs: " << pathDescription.size() << ", last ratio: " << targetPhantom.ratio << ", length: " << pathDescription.back().length;
         if(pathDescription.size() > 2){
             pathDescription.pop_back();
@@ -178,7 +178,7 @@ void DescriptionFactory::Run(const SearchEngine &sEngine, const unsigned zoomLev
     } else {
         pathDescription[indexOfSegmentBegin].duration *= (1.-targetPhantom.ratio);
     }
-    if(FLT_EPSILON > pathDescription[0].length) {
+    if(std::numeric_limits<double>::epsilon() > pathDescription[0].length) {
         //TODO: this is never called actually?
         if(pathDescription.size() > 2) {
             pathDescription.erase(pathDescription.begin());

Descriptors/DescriptionFactory.h

@@ -30,6 +30,7 @@
 #include "../Util/SimpleLogger.h"
 #include "../typedefs.h"
 
+#include <limits>
 #include <vector>
 
 /* This class is fed with all way segments in consecutive order