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ParametrizationHelper.h
Go to the documentation of this file.
1 #ifndef DataFormats_PatCandidates_interface_ParametrizationHelper_h
2 #define DataFormats_PatCandidates_interface_ParametrizationHelper_h
3 
5 #include <string>
6 
7 namespace pat { namespace helper {
8 namespace ParametrizationHelper {
9 
11  inline uint32_t dimension(pat::CandKinResolution::Parametrization parametrization) {
12  return (static_cast<uint32_t>(parametrization) & 0x0F);
13  }
14 
17 
19  const char * name(pat::CandKinResolution::Parametrization param) ;
20 
26  const math::PtEtaPhiMLorentzVector &initialP4) ;
27 
33  const math::XYZTLorentzVector &initialP4) ;
34 
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43 
46 
48  template <typename T>
50 
52 
61  const math::XYZTLorentzVector &p4ini, const math::XYZTLorentzVector &p4fin) ;
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84 
90  bool isPhysical(pat::CandKinResolution::Parametrization parametrization, const AlgebraicVector4 &v4, const math::PtEtaPhiMLorentzVector &initialP4) ;
91 } } }
92 
93 #endif
dictionary parameters
Definition: Parameters.py:2
AlgebraicVector4 parametersFromP4(pat::CandKinResolution::Parametrization parametrization, const math::XYZTLorentzVector &p4)
Returns a vector of coordinates values given a coordinate frame and a 4-vector.
const char * name(pat::CandKinResolution::Parametrization param)
Convert a number into a string.
PtEtaPhiMLorentzVectorD PtEtaPhiMLorentzVector
Lorentz vector with cartesian internal representation.
Definition: LorentzVector.h:26
XYZTLorentzVectorD XYZTLorentzVector
Lorentz vector with cylindrical internal representation using pseudorapidity.
Definition: LorentzVector.h:30
double p4[4]
Definition: TauolaWrapper.h:92
void setParametersFromP4(pat::CandKinResolution::Parametrization parametrization, AlgebraicVector4 &pars, const math::XYZTLorentzVector &p4)
Set the values of the parameters for a given 4-momentum.
bool isAlwaysMassive(pat::CandKinResolution::Parametrization parametrization)
Is this parametrization usable only with massive objects?
math::PtEtaPhiMLorentzVector polarP4fromParameters(pat::CandKinResolution::Parametrization parametrization, const AlgebraicVector4 &parameters, const math::PtEtaPhiMLorentzVector &initialP4)
AlgebraicVector4 diffToParameters(pat::CandKinResolution::Parametrization parametrization, const math::XYZTLorentzVector &p4ini, const math::XYZTLorentzVector &p4fin)
Expresses the difference between two 4-momentum vectors as a shift in coordinates in a given frame...
bool isPhysical(pat::CandKinResolution::Parametrization parametrization, const AlgebraicVector4 &v4, const math::PtEtaPhiMLorentzVector &initialP4)
math::XYZTLorentzVector p4fromParameters(pat::CandKinResolution::Parametrization parametrization, const AlgebraicVector4 &parameters, const math::XYZTLorentzVector &initialP4)
void setParametersFromAnyVector(pat::CandKinResolution::Parametrization parametrization, AlgebraicVector4 &pars, const T &p4)
For internal use only, so we provide only the interface. Use the &#39;setParametersFromP4&#39;.
pat::CandKinResolution::Parametrization fromString(const std::string &name)
Convert a name into a parametrization code.
ROOT::Math::SVector< double, 4 > AlgebraicVector4
long double T
uint32_t dimension(pat::CandKinResolution::Parametrization parametrization)
Returns the number of free parameters in a parametrization (3 or 4)
bool isAlwaysMassless(pat::CandKinResolution::Parametrization parametrization)
Is this parametrization usable only with massless objects?
bool isMassConstrained(pat::CandKinResolution::Parametrization parametrization)
If this parametrization has a mass constraint (including the &#39;isAlwaysMassless&#39; case) ...