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/*****************************************************************************
 * Project: RooFit                                                           *
 * Package: RooFitModels                                                     *
 *    File: $Id: RooGaussian.h,v 1.16 2007/07/12 20:30:49 wouter Exp $
 * Authors:                                                                  *
 *   WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu       *
 *   DK, David Kirkby,    UC Irvine,         dkirkby@uci.edu                 *
 *                                                                           *
 * Copyright (c) 2000-2005, Regents of the University of California          *
 *                          and Stanford University. All rights reserved.    *
 *                                                                           *
 * 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_GAUSSIAN
#define ROO_GAUSSIAN

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

class RooRealVar;

class RooGaussian : public RooAbsPdf {
public:
  RooGaussian() {   TRACE_CREATE } ;
  RooGaussian(const char *name, const char *title,
	      RooAbsReal& _x, RooAbsReal& _mean, RooAbsReal& _sigma);
  RooGaussian(const RooGaussian& other, const char* name=0) ;
  virtual TObject* clone(const char* newname) const { return new RooGaussian(*this,newname); }
  inline virtual ~RooGaussian() { TRACE_DESTROY }

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

  Int_t getGenerator(const RooArgSet& directVars, RooArgSet &generateVars, Bool_t staticInitOK=kTRUE) const;
  void generateEvent(Int_t code);

  Double_t getLogVal(const RooArgSet* set) const ;

protected:

  RooRealProxy x ;
  RooRealProxy mean ;
  RooRealProxy sigma ;
  
  Double_t evaluate() const ;

private:

  ClassDef(RooGaussian,1) // Gaussian PDF
};

#endif
 RooGaussian.h:1
 RooGaussian.h:2
 RooGaussian.h:3
 RooGaussian.h:4
 RooGaussian.h:5
 RooGaussian.h:6
 RooGaussian.h:7
 RooGaussian.h:8
 RooGaussian.h:9
 RooGaussian.h:10
 RooGaussian.h:11
 RooGaussian.h:12
 RooGaussian.h:13
 RooGaussian.h:14
 RooGaussian.h:15
 RooGaussian.h:16
 RooGaussian.h:17
 RooGaussian.h:18
 RooGaussian.h:19
 RooGaussian.h:20
 RooGaussian.h:21
 RooGaussian.h:22
 RooGaussian.h:23
 RooGaussian.h:24
 RooGaussian.h:25
 RooGaussian.h:26
 RooGaussian.h:27
 RooGaussian.h:28
 RooGaussian.h:29
 RooGaussian.h:30
 RooGaussian.h:31
 RooGaussian.h:32
 RooGaussian.h:33
 RooGaussian.h:34
 RooGaussian.h:35
 RooGaussian.h:36
 RooGaussian.h:37
 RooGaussian.h:38
 RooGaussian.h:39
 RooGaussian.h:40
 RooGaussian.h:41
 RooGaussian.h:42
 RooGaussian.h:43
 RooGaussian.h:44
 RooGaussian.h:45
 RooGaussian.h:46
 RooGaussian.h:47
 RooGaussian.h:48
 RooGaussian.h:49
 RooGaussian.h:50
 RooGaussian.h:51
 RooGaussian.h:52
 RooGaussian.h:53
 RooGaussian.h:54
 RooGaussian.h:55