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IFnPtr.h

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#ifndef FASTSHOWER_IFNPTR_H
#define FASTSHOWER_IFNPTR_H

#ifndef FASTSHOWER_DEBUGBASE_H
#include "FastShowerUtils/DebugBase.h"
#endif

#ifndef FASTSHOWER_SP_H
#include "FastShowerUtils/SP.h"
#endif

#ifndef FASTSHOWER_POLYARGS_H
#include "FastShowerUtils/PolyArgs.h"
#endif

#ifndef STD_STRING_H
#define STD_STRING_H
#include <string>
#endif

#include <iostream>
#include <string>

namespace FastShower{
  class PolyArgs;
  class IFnPtr: public IFn, private DebugBase{
  public:
  //
    IFnPtr(IFn* f, std::string s="");
    IFnPtr(const IFnPtr & f);
    IFnPtr& operator=(const IFnPtr& f);
    ~IFnPtr(){};
    //IFn interface
    virtual double value(const PolyArgs&) const;
    virtual IFnPtr* clone() const;
    //
    private:
    SP<IFn> m_pointee;
  };
  //
  inline
    IFnPtr::IFnPtr(IFn* f, std::string s):
    DebugBase(s),m_pointee(f){}
  //
  inline
    IFnPtr::IFnPtr(const IFnPtr& f):IFn(f),DebugBase(f){ 
    m_pointee = f.m_pointee;
  }
  //
  inline
    IFnPtr& IFnPtr::operator=(const IFnPtr& rhs){
    
    if (this  == &rhs ) return *this;
    
    IFn::operator=(rhs);
    DebugBase::operator=(rhs);
    m_pointee = rhs.m_pointee;
    
    return *this;
  }
  //
  inline
    double IFnPtr::value(const PolyArgs& pa)const{
    double x = m_pointee->value(pa);
    this->bumpStats(x, pa.pp() );
    //    cout.precision(3);
    //    cout<<text()<<"  "<<x<<endl;
    return x;
  }
  //
  inline
    IFnPtr* IFnPtr::clone() const {
    IFnPtr* nptr = new IFnPtr(*this);
    return nptr;
  }
  //
}
#endif

  

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