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Fixes a rounding issue related to issues #98, #105, #115 and #116.

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Problems were partially caused by the limits of floating point accuracy.
This commit is contained in:
DennisOSRM
2012-02-13 13:30:13 +01:00
parent f94ebf5296
commit 8d16c047cc
3 changed files with 15 additions and 17 deletions
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Descriptors/DescriptionFactory.cpp
+4 -2
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@@ -98,7 +98,8 @@ void DescriptionFactory::Run(const unsigned zoomLevel, const unsigned duration)
//Post-processing to remove empty or nearly empty path segments
if(0. == startPhantom.ratio || 0 == pathDescription[0].length) {
pathDescription.erase(pathDescription.begin());
if(pathDescription.size() > 2)
pathDescription.erase(pathDescription.begin());
pathDescription[0].turnInstruction = TurnInstructions.HeadOn;
pathDescription[0].necessary = true;
startPhantom.nodeBasedEdgeNameID = pathDescription[0].nameID;
@@ -106,7 +107,8 @@ void DescriptionFactory::Run(const unsigned zoomLevel, const unsigned duration)
pathDescription[0].duration *= startPhantom.ratio;
}
if(1. == targetPhantom.ratio || 0 == pathDescription.back().length) {
pathDescription.pop_back();
if(pathDescription.size() > 2)
pathDescription.pop_back();
pathDescription.back().necessary = true;
pathDescription.back().turnInstruction = TurnInstructions.NoTurn;
targetPhantom.nodeBasedEdgeNameID = (pathDescription.end()-2)->nameID;