residual.hpp

/* abstract_residual.hpp */
/* $Id: abstract_residual.hpp,v 1.1 2008/09/23 15:52:28 urij Exp $ */
#ifndef __abstract_residual_hpp
#define __abstract_residual_hpp

#include <vector>

class AbstractResidual
{
public:
  
  virtual ~AbstractResidual(){};
  
  double operator()(const std::vector<double> &x) const {return calc(x);}

protected:
   
  virtual double calc(const std::vector<double> &x) const = 0;
};
  
#endif /* __abstract_residual_hpp */