ConstrainedOptPack_MeritFuncCalc1DQuadratic.hpp

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// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
//                  Copyright (2003) Sandia Corporation
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#ifndef MERIT_FUNC_CALC_1D_QUADRATIC_H
#define MERIT_FUNC_CALC_1D_QUADRATIC_H

#include "ConstrainedOptPack_MeritFuncCalc1D.hpp"
#include "ConstrainedOptPack_MeritFuncCalc.hpp"

namespace ConstrainedOptPack {

class MeritFuncCalc1DQuadratic : public MeritFuncCalc1D {
public:

  typedef const Vector*   const_VectorWithOp_ptr;


  MeritFuncCalc1DQuadratic(
    const MeritFuncCalc&      phi
    ,size_type                p
    ,const_VectorWithOp_ptr   d[]
    ,VectorMutable*     x
    );



  value_type operator()(value_type alpha) const;

  value_type deriv() const;

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


private:
  const MeritFuncCalc&        phi_;
  size_type                   p_;
  const_VectorWithOp_ptr      d_[3];
  VectorMutable         *x_;

  // not defined and not to be called
  MeritFuncCalc1DQuadratic();
  MeritFuncCalc1DQuadratic& operator=( const MeritFuncCalc1DQuadratic& );

};  // end class MeritFuncCalc1DQuadratic

} // end namespace ConstrainedOptPack

#endif  // MERIT_FUNC_CALC_1D_QUADRATIC_H