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Belle II Software
light-2205-abys
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Belle II Software
light-2205-abys
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this class More...
#include <FitManager.h>
Public Types | |
| enum | VertexStatus { Success = 0 , NonConverged , BadInput , Failed , UnFitted } |
| status flag of the fit-itereation (the step in the newton method) | |
Public Member Functions | |
| FitManager () | |
| constructor | |
| FitManager (Belle2::Particle *particle, const ConstraintConfiguration &config, double prec=0.01, bool updateDaughters=false, const bool useReferencing=false) | |
| constructor | |
| FitManager (const FitManager &other)=delete | |
| use default copy constructor | |
| FitManager & | operator= (const FitManager &other)=delete |
| use default assignment op | |
| ~FitManager () | |
| destructor does stuff | |
| bool | fit () |
| main fit function that uses the kalman filter | |
| void | setExtraInfo (Belle2::Particle *part, const std::string &name, const double value) const |
| add extrainfo to particle | |
| bool | updateCand (Belle2::Particle &particle, const bool isTreeHead) const |
| update particles parameters with the fit results | |
| void | updateCand (const ParticleBase &pb, Belle2::Particle &cand, const bool isTreeHead) const |
| locate particle base for a belle2 particle and update the particle with the values from particle base | |
| void | updateTree (Belle2::Particle &particle, const bool isTreeHead) const |
| update the Belle2::Particles with the fit results | |
| void | getCovFromPB (const ParticleBase *pb, TMatrixFSym &returncov) const |
| extract cov from particle base | |
| std::tuple< double, double > | getLifeTime (Belle2::Particle &cand) const |
| get lifetime | |
| std::tuple< double, double > | getDecayLength (const ParticleBase *pb) const |
| get decay length | |
| std::tuple< double, double > | getDecayLength (const ParticleBase *pb, const FitParams &fitparams) const |
| get decay length | |
| std::tuple< double, double > | getDecayLength (Belle2::Particle &cand) const |
| get decay length | |
| int | posIndex (Belle2::Particle *particle) const |
| getter for the index of the vertex position in the state vector | |
| int | momIndex (Belle2::Particle *particle) const |
| getter for the index of the momentum in the state vector | |
| int | tauIndex (Belle2::Particle *particle) const |
| getter for the index of tau, the lifetime in the statevector | |
| double | chiSquare () const |
| getter for chi2 of the newton iteration | |
| int | nDof () const |
| getter for degrees of freedom of the fitparameters | |
| int | status () const |
| getter for the status of the newton iteration | |
| int | nIter () const |
| getter for the current iteration number of the newton iteration | |
| const ErrCode & | errCode () |
| getter for some errorcode flag FIXME isn't this covered by the status-flag? | |
| const DecayChain * | decaychain () const |
| const getter for the decay chain | |
| Belle2::Particle * | particle () |
| getter for the head of the tree | |
Private Attributes | |
| Belle2::Particle * | m_particle |
| head of the tree | |
| DecayChain * | m_decaychain |
| the decay tree | |
| int | m_status |
| status of the current iteration | |
| double | m_chiSquare |
| chi2 of the current iteration | |
| int | m_niter |
| iteration index | |
| double | m_prec |
| precision that is needed for status:converged (delta chi2) | |
| ErrCode | m_errCode |
| errorcode | |
| const bool | m_updateDaugthers |
| if this is set all daughters will be updated otherwise only the head of the tree | |
| int | m_ndf |
| number of degrees of freedom for this topology | |
| FitParams * | m_fitparams |
| parameters to be fitted | |
| bool | m_useReferencing |
| use referencing | |
| const ConstraintConfiguration | m_config |
| config container | |
this class
Definition at line 22 of file FitManager.h.
1.9.1