RooPower Class Reference

#include <HGGRooPdfs.h>

Inheritance diagram for RooPower:

Public Member Functions
Double_t	analyticalIntegral (Int_t code, const char *rangeName=0) const
virtual TObject *	clone (const char *newname) const
Int_t	getAnalyticalIntegral (RooArgSet &allVars, RooArgSet &analVars, const char *rangeName=0) const
	RooPower ()
	RooPower (const char *name, const char *title, RooAbsReal &_x, RooAbsReal &_c)
	RooPower (const RooPower &other, const char *name=0)
virtual	~RooPower ()

Protected Member Functions
Double_t	evaluate () const

Protected Attributes
RooRealProxy	c
RooRealProxy	x

Detailed Description

Definition at line 25 of file HGGRooPdfs.h.

Constructor & Destructor Documentation

RooPower::RooPower ( )

inline

Definition at line 27 of file HGGRooPdfs.h.

Referenced by clone().

{} ;

RooPower::RooPower	(	const char *	name,
		const char *	title,
		RooAbsReal &	_x,
		RooAbsReal &	_c
	)

Definition at line 37 of file HGGRooPdfs.cc.

                                                   :
  RooAbsPdf(name, title), 
  x("x","Dependent",this,_x),
  c("c","Power",this,_c)
{
}

RooPower::RooPower	(	const RooPower &	other,
		const char *	name = 0
	)

Definition at line 47 of file HGGRooPdfs.cc.

                                                          :
  RooAbsPdf(other, name), x("x",this,other.x), c("c",this,other.c)
{
}

virtual RooPower::~RooPower ( )

inlinevirtual

Definition at line 32 of file HGGRooPdfs.h.

{ }

Member Function Documentation

Double_t RooPower::analyticalIntegral	(	Int_t	code,
		const char *	rangeName = 0
	)		const

Definition at line 69 of file HGGRooPdfs.cc.

References c, create_public_lumi_plots::log, funct::pow(), run_regression::ret, and x.

{
  switch(code) {
  case 1: 
    {
      Double_t ret(0) ;
      if(c == 0.0) {
    ret = (x.max(rangeName) - x.min(rangeName));
      } else if (c== -1.0) {
    ret =  ( log( x.max(rangeName)) - log( x.min(rangeName)) );

      } else {
//  ret =  ( exp( c*x.max(rangeName) ) - exp( c*x.min(rangeName) ) )/c;
    ret =  ( pow( x.max(rangeName),  c+1 ) - pow( x.min(rangeName),c+1 ) )/(c+1);
      }

      //cout << "Int_exp_dx(c=" << c << ", xmin=" << x.min(rangeName) << ", xmax=" << x.max(rangeName) << ")=" << ret << endl ;
      return ret ;
    }
  }
  
  assert(0) ;
  return 0 ;
}

virtual TObject* RooPower::clone ( const char *  newname ) const

inlinevirtual

Definition at line 31 of file HGGRooPdfs.h.

References RooPower().

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

Double_t RooPower::evaluate ( ) const

protected

Definition at line 54 of file HGGRooPdfs.cc.

References c, funct::pow(), and x.

                                 {
  //cout << "pow(x=" << x << ",c=" << c << ")=" << pow(x,c) << endl ;
  return pow(x,c);
}

Int_t RooPower::getAnalyticalIntegral	(	RooArgSet &	allVars,
		RooArgSet &	analVars,
		const char *	rangeName = 0
	)		const

Definition at line 61 of file HGGRooPdfs.cc.

References x.

{
  if (matchArgs(allVars,analVars,x)) return 1 ;
  return 0 ;
}

Member Data Documentation

RooRealProxy RooPower::c

protected

Definition at line 39 of file HGGRooPdfs.h.

Referenced by analyticalIntegral(), and evaluate().

RooRealProxy RooPower::x

protected

Definition at line 38 of file HGGRooPdfs.h.

Referenced by python.rootplot.utilities.Hist::__init_TGraph(), svgfig.Curve.Sample::__repr__(), svgfig.Ellipse::__repr__(), python.rootplot.root2matplotlib.Hist::_prepare_xaxis(), python.rootplot.root2matplotlib.Hist::_prepare_yaxis(), analyticalIntegral(), Vispa.Gui.WidgetContainer.WidgetContainer::autosize(), Vispa.Gui.VispaWidget.VispaWidget::boundingRect(), python.rootplot.root2matplotlib.Hist2D::box(), python.rootplot.root2matplotlib.Hist2D::contour(), python.rootplot.root2matplotlib.Hist::errorbar(), python.rootplot.root2matplotlib.Hist::errorbarh(), evaluate(), getAnalyticalIntegral(), geometryXMLparser.Alignable::pos(), Vispa.Gui.ConnectableWidget.ConnectableWidget::positionizeMenuWidget(), and python.rootplot.utilities.Hist::TGraph().