#include "RecoEgamma/EgammaPhotonAlgos/interface/ConversionFastHelix.h"
#include "RecoTracker/TkSeedGenerator/interface/FastLine.h"
#include "TrackingTools/TrajectoryParametrization/interface/GlobalTrajectoryParameters.h"
#include "TrackingTools/TrajectoryParametrization/interface/CurvilinearTrajectoryError.h"
#include "TrackingTools/TrajectoryParametrization/interface/CartesianTrajectoryError.h"
#include <cfloat>