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/*
*
* This is a part of CTPPS offline software.
* Author:
* Fabrizio Ferro (ferro@ge.infn.it)
* Enrico Robutti (robutti@ge.infn.it)
* Fabio Ravera (fabio.ravera@cern.ch)
*
*/
#include "DataFormats/CTPPSReco/interface/CTPPSPixelLocalTrack.h"
//----------------------------------------------------------------------------------------------------
AlgebraicSymMatrix22 CTPPSPixelLocalTrack::trackPointInterpolationCovariance(float z) const {
math::Matrix<2, dimension>::type h;
h(0, 0) = 1;
h(1, 1) = 1;
h(0, 2) = z - z0_;
h(1, 3) = z - z0_;
return ROOT::Math::Similarity(h, par_covariance_matrix_);
}
//----------------------------------------------------------------------------------------------------
CTPPSPixelLocalTrack::CTPPSPixelLocalTrack(float z0,
const ParameterVector &track_params_vector,
const CovarianceMatrix &par_covariance_matrix,
float chiSquared)
: track_params_vector_(track_params_vector),
z0_(z0),
par_covariance_matrix_(par_covariance_matrix),
chiSquared_(chiSquared),
valid_(true),
numberOfPointsUsedForFit_(0),
recoInfo_(CTPPSpixelLocalTrackReconstructionInfo::invalid) {}
bool CTPPSPixelLocalTrack::operator<(const CTPPSPixelLocalTrack &r) {
if (z0_ < r.z0_)
return true;
if (z0_ > r.z0_)
return false;
for (int i = 0; i < CTPPSPixelLocalTrack::dimension; ++i) {
if (track_params_vector_[i] < r.track_params_vector_[i])
return true;
if (track_params_vector_[i] > r.track_params_vector_[i])
return false;
}
return false;
}
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