smearFunctionType2 Class Reference

#include <Functions.h>

Inheritance diagram for smearFunctionType2:

Public Member Functions
virtual void	smear (double &pt, double &eta, double &phi, const double *y, const std::vector< double > &parSmear)
Public Member Functions inherited from smearFunctionBase
	smearFunctionBase ()
virtual	~smearFunctionBase ()=0

Additional Inherited Members
Protected Member Functions inherited from smearFunctionBase
void	smearEta (double &eta)
Protected Attributes inherited from smearFunctionBase
double	cotgth_
TRandom *	gRandom_

Detailed Description

Definition at line 2888 of file Functions.h.

Member Function Documentation

virtual void smearFunctionType2::smear ( double &  pt, double &  eta, double &  phi, const double *  y, const std::vector< double > &  parSmear  )

inlinevirtual

Implements smearFunctionBase.

Definition at line 2890 of file Functions.h.

References funct::cos(), smearFunctionBase::cotgth_, create_public_lumi_plots::exp, funct::sin(), smearFunctionBase::smearEta(), and tmp.

                                                                                                                    {
    pt = pt*(1.0+y[0]*parSmear[0]*pt+y[1]*parSmear[1]*std::fabs(eta));
    phi = phi*(1.0+y[2]*parSmear[2]);
    double tmp = 2*atan(exp(-eta));
    cotgth_ = cos(tmp)/sin(tmp)*(1.0+y[3]*parSmear[3]);
    smearEta(eta);
  }