ConstrainedOptPack_MeritFuncNLP.hpp

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#ifndef MERIT_FUNC_NLP_H
#define MERIT_FUNC_NLP_H

#include <iosfwd>

#include "ConstrainedOptPack_Types.hpp"

namespace ConstrainedOptPack {

class MeritFuncNLP {
public:

  class InvalidInitialization : public std::logic_error
  {public: InvalidInitialization(const std::string& what_arg) : std::logic_error(what_arg) {}};

  virtual ~MeritFuncNLP() {}


  virtual MeritFuncNLP& operator=(const MeritFuncNLP&);

  virtual value_type value(
    value_type             f
    ,const Vector    *c
    ,const Vector    *h
    ,const Vector    *hl
    ,const Vector    *hu
    ) const = 0;

  virtual value_type deriv() const = 0;

  virtual void print_merit_func(
    std::ostream& out, const std::string& leading_str ) const = 0;


};  // end class MeritFuncNLP

} // end namespace ConstrainedOptPack

#endif  // MERIT_FUNC_NLP_H