RegularFormula.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
 
/**********************************************************************************
 * Class  : RegularFormula                                                       *
 *                                                                                *
 * Authors (alphabetical):                                                        *
 *      Max Baak <mbaak@cern.ch> - CERN, Switzerland                              *
 **********************************************************************************/
 
#ifndef __RegularFormula__
#define __RegularFormula__
 
#include "TFormula.h"
#include "TString.h"
#include <list>
 
namespace Root {
 
   class RegularFormula : public TFormula {
      
   public:
 
      RegularFormula();      
      RegularFormula(const char* name, const char* expression);
      virtual ~RegularFormula();
 
      RegularFormula(const Root::RegularFormula& other) ;
      RegularFormula& operator=(const RegularFormula& other) ;
 
      Int_t setFormula(const char *expression);
 
      inline unsigned int getNPars() const { return m_par.size(); }
      const std::list<TString>& getParNames() const { return m_par; }
 
   private:
 
      void parseExpression(const char* expression, TString& expr) ;
 
      TString m_expr;
      std::list<TString> m_par;
 
      ClassDef(RegularFormula,0)
   };
}
 
#endif