ConstrainedOptPack_MeritFuncCalc1D.hpp

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#ifndef MERIT_FUNC_CALC_1D_H
#define MERIT_FUNC_CALC_1D_H

#include "ConstrainedOptPack_Types.hpp"

namespace ConstrainedOptPack {

class MeritFuncCalc1D {
public:

  virtual ~MeritFuncCalc1D() {}

  virtual value_type operator()( value_type alpha ) 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 MeritFuncCalc1D

} // end namespace ConstrainedOptPack

#endif  // MERIT_FUNC_CALC_1D_H