smearFunctionBase Class Reference

#include <Functions.h>

Inheritance diagram for smearFunctionBase:

List of all members.

Public Member Functions
virtual void	smear (double &pt, double &eta, double &phi, const double *y, const std::vector< double > &parSmear)=0
	smearFunctionBase ()
virtual	~smearFunctionBase ()=0
Protected Member Functions
void	smearEta (double &eta)
Protected Attributes
double	cotgth_
TRandom *	gRandom_

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Detailed Description

Definition at line 1345 of file Functions.h.

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Constructor & Destructor Documentation

smearFunctionBase::smearFunctionBase

(

)

[inline]

Definition at line 1348 of file Functions.h.

References cotgth_, and gRandom_.

                      {
    cotgth_ = 0.;
    gRandom_ = new TRandom();
  }

smearFunctionBase::~smearFunctionBase

(

)

[inline, pure virtual]

Definition at line 1367 of file Functions.h.

{ }  // defined even though it's pure virtual; should be faster this way.

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Member Function Documentation

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

Implemented in smearFunctionType0, smearFunctionType1, smearFunctionType2, smearFunctionType3, smearFunctionType4, smearFunctionType5, smearFunctionType6, and smearFunctionType7.

Referenced by MuScleFitUtils::applySmearing().

void smearFunctionBase::smearEta

(

double &

eta

)

[inline, protected]

Definition at line 1354 of file Functions.h.

References cotgth_, funct::log(), Pi, funct::tan(), and theta().

Referenced by smearFunctionType3::smear(), smearFunctionType4::smear(), smearFunctionType5::smear(), smearFunctionType1::smear(), and smearFunctionType2::smear().

                              {
    double theta;
    if (cotgth_!=0) {
      theta = atan(1/cotgth_);
    } else {
      theta = TMath::Pi()/2;
    }
    if (theta<0) theta += TMath::Pi();
    eta = -log(tan(theta/2));
  }

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Member Data Documentation

double smearFunctionBase::cotgth_ [protected]

Definition at line 1364 of file Functions.h.

Referenced by smearFunctionType3::smear(), smearFunctionType4::smear(), smearFunctionType5::smear(), smearFunctionType1::smear(), smearFunctionType2::smear(), smearEta(), and smearFunctionBase().

TRandom* smearFunctionBase::gRandom_ [protected]

Definition at line 1365 of file Functions.h.

Referenced by smearFunctionType6::smear(), and smearFunctionBase().