RooCBExGaussShape Class Reference

#include <RooCBExGaussShape.h>

Inheritance diagram for RooCBExGaussShape:

Public Member Functions
TObject *	clone (const char *newname) const override
Double_t	evaluate () const override
	RooCBExGaussShape ()
	RooCBExGaussShape (const char *name, const char *title, RooAbsReal &_m, RooAbsReal &_m0, RooAbsReal &_sigma, RooAbsReal &_alpha, RooAbsReal &_n, RooAbsReal &_sigma_2, RooAbsReal &_frac)
	RooCBExGaussShape (const RooCBExGaussShape &other, const char *name)
	~RooCBExGaussShape () override

Protected Attributes
RooRealProxy	alpha
RooRealProxy	frac
RooRealProxy	m
RooRealProxy	m0
RooRealProxy	n
RooRealProxy	sigma
RooRealProxy	sigma_2

Detailed Description

Definition at line 14 of file RooCBExGaussShape.h.

Constructor & Destructor Documentation

RooCBExGaussShape::RooCBExGaussShape ( )

inline

Definition at line 16 of file RooCBExGaussShape.h.

Referenced by clone().

{};

RooCBExGaussShape::RooCBExGaussShape	(	const char *	name,
		const char *	title,
		RooAbsReal &	_m,
		RooAbsReal &	_m0,
		RooAbsReal &	_sigma,
		RooAbsReal &	_alpha,
		RooAbsReal &	_n,
		RooAbsReal &	_sigma_2,
		RooAbsReal &	_frac
	)

Definition at line 5 of file RooCBExGaussShape.cc.

    : RooAbsPdf(name, title),
      m("m", "m", this, _m),
      m0(" m0", " m0", this, _m0),
      sigma(" sigma", " sigma", this, _sigma),
      alpha(" alpha", " alpha", this, _alpha),
      n(" n", " n", this, _n),
      sigma_2(" sigma_2", " sigma_2", this, _sigma_2),
      frac(" frac", " frac", this, _frac) {}

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

Definition at line 23 of file RooCBExGaussShape.cc.

    : RooAbsPdf(other, name),
      m("m", this, other.m),
      m0(" m0", this, other.m0),
      sigma(" sigma", this, other.sigma),
      alpha(" alpha", this, other.alpha),
      n(" n", this, other.n),
      sigma_2(" sigma_2", this, other.sigma_2),
      frac(" frac", this, other.frac) {}

RooCBExGaussShape::~RooCBExGaussShape ( )

inlineoverride

Definition at line 29 of file RooCBExGaussShape.h.

{}

Member Function Documentation

TObject* RooCBExGaussShape::clone ( const char *  newname ) const

inlineoverride

Definition at line 28 of file RooCBExGaussShape.h.

References RooCBExGaussShape().

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

Double_t RooCBExGaussShape::evaluate ( ) const

override

Definition at line 33 of file RooCBExGaussShape.cc.

References a, alpha, b, funct::exp(), frac, m, m0, n, sigma, sigma_2, submitPVValidationJobs::t, and FrontierCondition_GT_autoExpress_cfi::t0.

                                           {
  Double_t rval = 0;

  Double_t t = (m - m0) / sigma;
  Double_t t0 = (m - m0) / sigma_2;
  if (alpha < 0) {
    t = -t;
    t0 = -t0;
  }

  Double_t absAlpha = fabs((Double_t)alpha);

  if (t >= -absAlpha) {
    rval = frac * exp(-0.5 * t * t) + (1.0 - frac) * exp(-0.5 * t0 * t0);
  } else {
    Double_t a = TMath::Power(n / absAlpha, n) * exp(-0.5 * absAlpha * absAlpha);
    Double_t b = n / absAlpha - absAlpha;
    rval = a / TMath::Power(b - t, n);
  }

  //std::cout<<"RooCBExGaussShape: m, evaluate= "<<m<<", "<<rval<<std::endl;
  return rval;
}

Member Data Documentation

RooRealProxy RooCBExGaussShape::alpha

protected

Definition at line 39 of file RooCBExGaussShape.h.

Referenced by evaluate().

RooRealProxy RooCBExGaussShape::frac

protected

Definition at line 42 of file RooCBExGaussShape.h.

Referenced by evaluate().

RooRealProxy RooCBExGaussShape::m

protected

Definition at line 36 of file RooCBExGaussShape.h.

Referenced by evaluate().

RooRealProxy RooCBExGaussShape::m0

protected

Definition at line 37 of file RooCBExGaussShape.h.

Referenced by evaluate().

RooRealProxy RooCBExGaussShape::n

protected

Definition at line 40 of file RooCBExGaussShape.h.

Referenced by evaluate().

RooRealProxy RooCBExGaussShape::sigma

protected

Definition at line 38 of file RooCBExGaussShape.h.

Referenced by evaluate().

RooRealProxy RooCBExGaussShape::sigma_2

protected

Definition at line 41 of file RooCBExGaussShape.h.

Referenced by evaluate().