/data/refman/pasoursint/CMSSW_5_2_7_hltpatch2/src/TrackingTools/MaterialEffects/src/CombinedMaterialEffectsUpdator.cc

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#include "TrackingTools/MaterialEffects/interface/CombinedMaterialEffectsUpdator.h"

//
// Computation: combine updates on momentum and cov. matrix from the multiple
// scattering and energy loss updators and store them in private variables
//
void CombinedMaterialEffectsUpdator::compute (const TrajectoryStateOnSurface& TSoS,
                                              const PropagationDirection propDir) const
{
  theDeltaP = theMSUpdator.deltaP(TSoS,propDir) + theELUpdator.deltaP(TSoS,propDir);
  theDeltaCov = theMSUpdator.deltaLocalError(TSoS,propDir) + theELUpdator.deltaLocalError(TSoS,propDir);
}