StRoot  1
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
Classes | Public Types | Public Member Functions | Static Public Member Functions | Protected Member Functions | Protected Attributes | Static Protected Attributes | List of all members
TRungeKutta Class Reference
Inheritance diagram for TRungeKutta:

Classes

class  TRKutaPars_t
 
class  TRKutaPoint
 

Public Types

typedef std::list< TRKutaPoint > TRKutaList
 

Public Member Functions

 TRungeKutta (int charge, const double xyz[3], const double mom[3], TRKuttaMag *mag=0)
 
 TRungeKutta (const TRungeKutta &from)
 
 TRungeKutta (const TRungeKutta *from)
 
 TRungeKutta (const THelixTrack_ &from, TRKuttaMag *mag=0)
 
TRungeKutta & operator= (const TRungeKutta &from)
 
void SetMag (TRKuttaMag *mag)
 
void ZetMag (const double *h)
 
void Set (int charge, const double xyz[3], const double mom[3])
 
void SetEmx (const double *err=0)
 
void SetEmx (const THEmx3d_t *err)
 
THEmx3d_t * Emx () const
 
void SetDerOn (int derOn=1)
 
int IsDerOn () const
 
void Backward ()
 Change direction.
 
double Move (double step)
 Move along track.
 
double Eval (double step, double xyz[3]=0, double mom[3]=0) const
 Evaluate params with given step along helix.
 
double Path (const double point[3], int idir=0, int ndca=3) const
 
double Path (double x, double y, int idir=0) const
 Path to nearest point to given 2dim point.
 
double Move ()
 Move to point founded before.
 
double Dca (double x, double y, double *dcaErr=0) const
 DCA to given 2dim point (with error matrix)
 
double Dca (const double point[3], double *dcaErr) const
 
const double * Pos () const
 
const double * Dir () const
 
const double * Mom () const
 
const double * Mag () const
 
double MomTot () const
 
double Pinv () const
 
void SetPinv (double Pinv)
 
int Charge () const
 
double GetCurv () const
 
int GetDir () const
 
const THDer3d_t * Der () const
 
const TkDir_t & TkDir (int idx) const
 
void Print (Option_t *opt="") const
 

Static Public Member Functions

static void SetMAG (TRKuttaMag *mag)
 
static void Test (int flag=3)
 
static void Test2 ()
 
static void Test3 ()
 
static void TestBak ()
 
static void TestDer ()
 
static void TestDer2 ()
 
static void TestErr (int charge=1)
 
static void TestErr2 (int charge=1)
 
static void TestSign ()
 

Protected Member Functions

void MakeMtx ()
 
void grkuta (double CHARGE, double STEP, const TRKutaPars_t &VECT, TRKutaPars_t &VOUT) const
 

Protected Attributes

char fBeg [1]
 
char fDerOn
 
char fCharge
 
TRKuttaMag * fGUFLD
 
TRKutaPars_t fInp
 
THEmx3d_t * fEmx3d
 
THDer3d_t * fDer3d
 
int fNStps
 
double fLen
 
TRKutaPars_t fOut
 
double fBInp [3]
 
double fBOut [3]
 
char fEnd [1]
 

Static Protected Attributes

static TRKuttaMag * fgMag =0
 

Detailed Description

Definition at line 20 of file TRungeKutta.h.

Member Function Documentation

double TRungeKutta::Path ( const double  point[3],
int  idir = 0,
int  ndca = 3 
) const

Get current parameters Path to nearest point to given space point

Definition at line 167 of file TRungeKutta.cxx.

Referenced by Path(), and TestErr().

void TRungeKutta::TestErr ( int  charge = 1)
static

??? TH1.Backward();

Definition at line 1134 of file TRungeKutta.cxx.

References Eval(), Move(), Path(), TCL::trasat(), and TCL::trsinv().

The documentation for this class was generated from the following files:
Generated by   doxygen 1.8.5