RooCMSShape Class Reference

#include <RooCMSShape.h>

List of all members.

Public Member Functions
	ClassDef (RooCMSShape, 1)
virtual TObject *	clone (const char *newname) const
Double_t	evaluate () const
	RooCMSShape ()
	RooCMSShape (const char *name, const char *title, RooAbsReal &_x, RooAbsReal &_alpha, RooAbsReal &_beta, RooAbsReal &_gamma, RooAbsReal &_peak)
	RooCMSShape (const RooCMSShape &other, const char *name)
	~RooCMSShape ()
Protected Attributes
RooRealProxy	alpha
RooRealProxy	beta
RooRealProxy	gamma
RooRealProxy	peak
RooRealProxy	x

---

Detailed Description

Definition at line 33 of file RooCMSShape.h.

---

Constructor & Destructor Documentation

RooCMSShape::RooCMSShape

(

)

[inline]

Definition at line 35 of file RooCMSShape.h.

Referenced by clone().

{};

RooCMSShape::RooCMSShape	(	const char *	name,
		const char *	title,
		RooAbsReal &	_x,
		RooAbsReal &	_alpha,
		RooAbsReal &	_beta,
		RooAbsReal &	_gamma,
		RooAbsReal &	_peak
	)

RooCMSShape::RooCMSShape	(	const RooCMSShape &	other,
		const char *	name
	)

Definition at line 43 of file RooCMSShape.cc.

                                                                   :
   RooAbsPdf(other,name), 
   x("x",this,other.x),
   alpha("alpha",this,other.alpha),
   beta("beta",this,other.beta),
   gamma("gamma",this,other.gamma),
   peak("peak",this,other.peak)
 { } 

RooCMSShape::~RooCMSShape

(

)

[inline]

Definition at line 45 of file RooCMSShape.h.

{}

---

Member Function Documentation

RooCMSShape::ClassDef	(	RooCMSShape	,
		1
	)

virtual TObject* RooCMSShape::clone

(

const char *

newname

)

const [inline, virtual]

Definition at line 44 of file RooCMSShape.h.

References RooCMSShape().

{ return new RooCMSShape(*this,newname); }

Double_t RooCMSShape::evaluate

(

)

const

Definition at line 54 of file RooCMSShape.cc.

References alpha, beta, funct::exp(), gamma, peak, and x.

 { 
  // ENTER EXPRESSION IN TERMS OF VARIABLE ARGUMENTS HERE 

  //Double_t erf = TMath::Erfc((alpha - x) * beta);
  Double_t erf = RooMath::erfc((alpha - x) * beta);
  Double_t u = (x - peak)*gamma;

  if(u < -70) u = 1e20;
  else if( u>70 ) u = 0;
  else u = exp(-u);   //exponential decay
  return erf*u;
 } 

---

Member Data Documentation

RooRealProxy RooCMSShape::alpha [protected]

Definition at line 54 of file RooCMSShape.h.

Referenced by evaluate().

RooRealProxy RooCMSShape::beta [protected]

Definition at line 55 of file RooCMSShape.h.

Referenced by evaluate().

RooRealProxy RooCMSShape::gamma [protected]

Definition at line 56 of file RooCMSShape.h.

Referenced by evaluate().

RooRealProxy RooCMSShape::peak [protected]

Definition at line 57 of file RooCMSShape.h.

Referenced by evaluate().

RooRealProxy RooCMSShape::x [protected]

Definition at line 53 of file RooCMSShape.h.

Referenced by evaluate().