ROOT logo
/*****************************************************************************
 * Project: RooFit                                                           *
 * Package: RooFitModels                                                     *
 *    File: $Id: RooChiSquarePdf.h 28259 2009-04-16 16:21:16Z wouter $
 * Authors:                                                                  *
 *   Kyle Cranmer
 *                                                                           *
 *                                                                           *
 * Redistribution and use in source and binary forms,                        *
 * with or without modification, are permitted according to the terms        *
 * listed in LICENSE (http://roofit.sourceforge.net/license.txt)             *
 *****************************************************************************/
#ifndef ROO_CHISQUARE
#define ROO_CHISQUARE

#include "RooAbsPdf.h"
#include "RooRealProxy.h"

class RooRealVar;
class RooArgList ;

class RooChiSquarePdf : public RooAbsPdf {
public:

  RooChiSquarePdf() ;
  RooChiSquarePdf(const char *name, const char *title,
               RooAbsReal& x,  RooAbsReal& ndof) ;

  RooChiSquarePdf(const RooChiSquarePdf& other, const char* name = 0);
  virtual TObject* clone(const char* newname) const { return new RooChiSquarePdf(*this, newname); }
  inline virtual ~RooChiSquarePdf() { }

  
  Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=0) const ;
  Double_t analyticalIntegral(Int_t code, const char* rangeName=0) const ;
  

private:

  RooRealProxy _x;
  RooRealProxy _ndof;

  Double_t evaluate() const;

  ClassDef(RooChiSquarePdf,1) // Chi Square distribution (eg. the PDF )
};

#endif
 RooChiSquarePdf.h:1
 RooChiSquarePdf.h:2
 RooChiSquarePdf.h:3
 RooChiSquarePdf.h:4
 RooChiSquarePdf.h:5
 RooChiSquarePdf.h:6
 RooChiSquarePdf.h:7
 RooChiSquarePdf.h:8
 RooChiSquarePdf.h:9
 RooChiSquarePdf.h:10
 RooChiSquarePdf.h:11
 RooChiSquarePdf.h:12
 RooChiSquarePdf.h:13
 RooChiSquarePdf.h:14
 RooChiSquarePdf.h:15
 RooChiSquarePdf.h:16
 RooChiSquarePdf.h:17
 RooChiSquarePdf.h:18
 RooChiSquarePdf.h:19
 RooChiSquarePdf.h:20
 RooChiSquarePdf.h:21
 RooChiSquarePdf.h:22
 RooChiSquarePdf.h:23
 RooChiSquarePdf.h:24
 RooChiSquarePdf.h:25
 RooChiSquarePdf.h:26
 RooChiSquarePdf.h:27
 RooChiSquarePdf.h:28
 RooChiSquarePdf.h:29
 RooChiSquarePdf.h:30
 RooChiSquarePdf.h:31
 RooChiSquarePdf.h:32
 RooChiSquarePdf.h:33
 RooChiSquarePdf.h:34
 RooChiSquarePdf.h:35
 RooChiSquarePdf.h:36
 RooChiSquarePdf.h:37
 RooChiSquarePdf.h:38
 RooChiSquarePdf.h:39
 RooChiSquarePdf.h:40
 RooChiSquarePdf.h:41
 RooChiSquarePdf.h:42
 RooChiSquarePdf.h:43
 RooChiSquarePdf.h:44
 RooChiSquarePdf.h:45
 RooChiSquarePdf.h:46
 RooChiSquarePdf.h:47
 RooChiSquarePdf.h:48