genfit::HMatrixPhi Class Reference

AbsHMatrix implementation for one-dimensional MeasurementOnPlane and RKTrackRep parameterization. More...

#include <HMatrixPhi.h>

Inheritance diagram for genfit::HMatrixPhi:

Collaboration diagram for genfit::HMatrixPhi:

Public Member Functions
	HMatrixPhi (double phi=0)
const TMatrixD &	getMatrix () const
	Get the actual matrix representation.
TVectorD	Hv (const TVectorD &v) const
	H*v.
TMatrixD	MHt (const TMatrixDSym &M) const
	M*H^t.
TMatrixD	MHt (const TMatrixD &M) const
void	HMHt (TMatrixDSym &M) const
	similarity: H*M*H^t
virtual AbsHMatrix *	clone () const
virtual bool	isEqual (const AbsHMatrix &other) const
Public Member Functions inherited from genfit::AbsHMatrix
	AbsHMatrix ()
virtual	~AbsHMatrix ()
bool	operator== (const AbsHMatrix &other) const
bool	operator!= (const AbsHMatrix &other) const
virtual void	Print (const Option_t *="") const

Public Attributes
ClassDef(HMatrixPhi, 1) private double	cosPhi_
double	sinPhi_

Additional Inherited Members
Protected Member Functions inherited from genfit::AbsHMatrix
	AbsHMatrix (const AbsHMatrix &o)
AbsHMatrix &	operator= (const AbsHMatrix &)

Detailed Description

AbsHMatrix implementation for one-dimensional MeasurementOnPlane and RKTrackRep parameterization.

For one dimensional measurements which are rotated by phi against U of the DetPlane H = (0, 0, 0, cos(phi), sin(phi))

Definition at line 37 of file HMatrixPhi.h.

Constructor & Destructor Documentation

HMatrixPhi()

genfit::HMatrixPhi::HMatrixPhi

(

double

phi = 0

)

Definition at line 33 of file HMatrixPhi.cc.

                                 :
  phi_(phi),
  cosPhi_(cos(phi)),
  sinPhi_(sin(phi))
{
  ;
}

Member Function Documentation

clone()

virtual AbsHMatrix * genfit::HMatrixPhi::clone ( ) const

inlinevirtual

Implements genfit::AbsHMatrix.

Definition at line 52 of file HMatrixPhi.h.

{return new HMatrixPhi(*this);}

getMatrix()

const TMatrixD & genfit::HMatrixPhi::getMatrix ( ) const

virtual

Get the actual matrix representation.

Implements genfit::AbsHMatrix.

Definition at line 41 of file HMatrixPhi.cc.

                                            {
  static const double HMatrixContent[5] = {0, 0, 0, cosPhi_, sinPhi_};
 
  static const TMatrixD HMatrix(1,5, HMatrixContent);
 
  return HMatrix;
}

HMHt()

void genfit::HMatrixPhi::HMHt ( TMatrixDSym &  M ) const

virtual

similarity: H*M*H^t

Reimplemented from genfit::AbsHMatrix.

Definition at line 89 of file HMatrixPhi.cc.

                                          {
  assert (M.GetNrows() == 5);
 
  M(0,0) =   cosPhi_ * (cosPhi_*M(3,3) + sinPhi_*M(3,4))
           + sinPhi_ * (cosPhi_*M(4,3) + sinPhi_*M(4,4));
 
  M.ResizeTo(1,1);
}

Hv()

TVectorD genfit::HMatrixPhi::Hv ( const TVectorD &  v ) const

virtual

H*v.

Reimplemented from genfit::AbsHMatrix.

Definition at line 50 of file HMatrixPhi.cc.

                                               {
  assert (v.GetNrows() == 5);
 
  double* retValArray =(double *)alloca(sizeof(double) * 1);
 
  retValArray[0] = cosPhi_*v(3) + sinPhi_*v(4);
 
  return TVectorD(1, retValArray);
}

isEqual()

bool genfit::HMatrixPhi::isEqual ( const AbsHMatrix &  other ) const

virtual

Implements genfit::AbsHMatrix.

Definition at line 99 of file HMatrixPhi.cc.

                                                      {
  if (dynamic_cast<const HMatrixPhi*>(&other) == NULL)
    return false;
 
  return (phi_ == static_cast<const HMatrixPhi*>(&other)->phi_);
}

MHt() [1/2]

TMatrixD genfit::HMatrixPhi::MHt ( const TMatrixD &  M ) const

virtual

Reimplemented from genfit::AbsHMatrix.

Definition at line 75 of file HMatrixPhi.cc.

                                                {
  assert (M.GetNcols() == 5);
 
  double* retValArray =(double *)alloca(sizeof(double) * M.GetNrows());
  const double* MatArray = M.GetMatrixArray();
 
  for (int i = 0; i < M.GetNrows(); ++i) {
    retValArray[i] = cosPhi_*MatArray[i*5 + 3] + sinPhi_*MatArray[i*5 + 4];
  }
 
  return TMatrixD(M.GetNrows(),1, retValArray);
}

MHt() [2/2]

TMatrixD genfit::HMatrixPhi::MHt ( const TMatrixDSym &  M ) const

virtual

M*H^t.

Reimplemented from genfit::AbsHMatrix.

Definition at line 61 of file HMatrixPhi.cc.

                                                   {
  assert (M.GetNcols() == 5);
 
  double* retValArray =(double *)alloca(sizeof(double) * 5);
  const double* MatArray = M.GetMatrixArray();
 
  for (unsigned int i=0; i<5; ++i) {
    retValArray[i] = cosPhi_*MatArray[i*5 + 3] + sinPhi_*MatArray[i*5 + 4];
  }
 
  return TMatrixD(5,1, retValArray);
}

Member Data Documentation

cosPhi_

ClassDef (HMatrixPhi,1) private double genfit::HMatrixPhi::cosPhi_

Definition at line 61 of file HMatrixPhi.h.

sinPhi_

double genfit::HMatrixPhi::sinPhi_

Definition at line 62 of file HMatrixPhi.h.

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The documentation for this class was generated from the following files:

• genfit/measurements/include/HMatrixPhi.h
• genfit/measurements/src/HMatrixPhi.cc