ErrorOfSigma.h

#ifndef ErrorOfSigma_h
#define ErrorOfSigma_h 1

namespace marlin{

  class ErrorOfSigma {
    
  public:
    
    ErrorOfSigma( unsigned n ) ;
    
    virtual ~ErrorOfSigma() {} 
    
    double lowerError( double sigma ) ;
    
    double upperError( double sigma ) ;
    
  protected:
    
    virtual double getChiSquaredPlus() ;
    
    virtual double getChiSquaredMinus() ;
    
    unsigned _n ;
  } ;
  


} // end namespace 

#endif

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