#include "RooFit.h"
#include "RooGenericPdf.h"
#include "RooGenericPdf.h"
#include "RooStreamParser.h"
#include "RooArgList.h"
ClassImp(RooGenericPdf)
RooGenericPdf::RooGenericPdf(const char *name, const char *title, const RooArgList& dependents) :
RooAbsPdf(name,title),
_actualVars("actualVars","Variables used by PDF expression",this),
_formula(name,title,dependents)
{
_actualVars.add(dependents) ;
if (_actualVars.getSize()==0) _value = traceEval(0) ;
}
RooGenericPdf::RooGenericPdf(const char *name, const char *title,
const char* formula, const RooArgList& dependents) :
RooAbsPdf(name,title),
_actualVars("actualVars","Variables used by PDF expression",this),
_formula(name,formula,dependents)
{
_actualVars.add(dependents) ;
if (_actualVars.getSize()==0) _value = traceEval(0) ;
}
RooGenericPdf::RooGenericPdf(const RooGenericPdf& other, const char* name) :
RooAbsPdf(other, name),
_actualVars("actualVars",this,other._actualVars),
_formula(other._formula)
{
}
RooGenericPdf::~RooGenericPdf()
{
}
Double_t RooGenericPdf::evaluate() const
{
return _formula.eval(_normMgr.lastNormSet()) ;
}
Bool_t RooGenericPdf::setFormula(const char* formula)
{
if (_formula.reCompile(formula)) return kTRUE ;
SetTitle(formula) ;
setValueDirty() ;
return kFALSE ;
}
Bool_t RooGenericPdf::isValidReal(Double_t , Bool_t ) const {
return kTRUE ;
}
Bool_t RooGenericPdf::redirectServersHook(const RooAbsCollection& newServerList, Bool_t mustReplaceAll, Bool_t nameChange, Bool_t )
{
return _formula.changeDependents(newServerList,mustReplaceAll,nameChange) ;
}
void RooGenericPdf::printToStream(ostream& os, PrintOption opt, TString indent) const
{
RooAbsPdf::printToStream(os,opt,indent);
if(opt >= Verbose) {
indent.Append(" ");
os << indent;
_formula.printToStream(os,opt,indent);
}
}
Bool_t RooGenericPdf::readFromStream(istream& is, Bool_t compact, Bool_t )
{
if (compact) {
cout << "RooGenericPdf::readFromStream(" << GetName() << "): can't read in compact mode" << endl ;
return kTRUE ;
} else {
RooStreamParser parser(is) ;
return setFormula(parser.readLine()) ;
}
}
void RooGenericPdf::writeToStream(ostream& os, Bool_t compact) const
{
if (compact) {
cout << getVal() << endl ;
} else {
os << GetTitle() ;
}
}
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