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/*****************************************************************************
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* Project: RooFit *
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* *
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* This code was autogenerated by RooClassFactory *
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*****************************************************************************/
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// Your description goes here...
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#include "Riostream.h"
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#include "RooSUSYNPdf.h"
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#include "RooAbsReal.h"
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#include "RooAbsCategory.h"
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#include "TMath.h"
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ClassImp(RooSUSYNPdf)
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RooSUSYNPdf::RooSUSYNPdf(const char *name, const char *title,
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RooAbsReal& _inv,
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RooAbsReal& _a,
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RooAbsReal& _s,
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RooAbsReal& _m0) :
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RooAbsPdf(name,title),
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inv("inv","inv",this,_inv),
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a("a","a",this,_a),
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s("s","s",this,_s),
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m0("m0","m0",this,_m0)
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{
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}
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RooSUSYNPdf::RooSUSYNPdf(const RooSUSYNPdf& other, const char* name) :
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RooAbsPdf(other,name),
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inv("inv",this,other.inv),
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a("a",this,other.a),
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s("s",this,other.s),
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m0("m0",this,other.m0)
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{
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}
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Double_t RooSUSYNPdf::evaluate() const
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{
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// ENTER EXPRESSION IN TERMS OF VARIABLE ARGUMENTS HERE
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//quadratic
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Double_t value =
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(a+inv+1)*(-s)*TMath::Exp(-0.5*(a-inv)*(a-inv)/(s*s))/(sqrt(TMath::TwoPi()))
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+(inv*inv+s*s+inv)*TMath::Erf((a-inv)/(sqrt(2)*s))/2
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+inv*s*TMath::Exp(-0.5*inv*inv/(s*s))/(sqrt(TMath::TwoPi()))
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+(inv*inv+s*s)*TMath::Erf(sqrt(2)*(inv)/(2*s))/2
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-inv*TMath::Erf((m0-inv)/(sqrt(2)*s))/2
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+s*TMath::Exp(-0.5*(m0-inv)*(m0-inv)/(s*s))/(sqrt(TMath::TwoPi()));
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//+inv*TMath::Erf((a-inv)/(sqrt(2)*s))/2
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//-s*TMath::Exp(-0.5*(a-inv)*(a-inv)/(s*s))/(sqrt(TMath::TwoPi()));
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if(value>0) return value;
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else return 0.;
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}
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