ROL_PQNObjective.hpp

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// @HEADER
// *****************************************************************************
//               Rapid Optimization Library (ROL) Package
//
// Copyright 2014 NTESS and the ROL contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER
 
#ifndef ROL_PQNOBJECTIVE_H
#define ROL_PQNOBJECTIVE_H
 
#include "ROL_Objective.hpp"
#include "ROL_Secant.hpp"

 
 
namespace ROL {
 
template<typename Real>
class PQNObjective : public Objective<Real> {
private:
  const Ptr<Secant<Real>> secant_;
  const Ptr<Vector<Real>> x_, g_, pwa_, dwa_;
 
public:
  PQNObjective(const Ptr<Secant<Real>> &secant,
               const Vector<Real> &x,
               const Vector<Real> &g);
 
  Real value( const Vector<Real> &x, Real &tol ) override;
  void gradient( Vector<Real> &g, const Vector<Real> &x, Real &tol ) override;
  void hessVec( Vector<Real> &hv, const Vector<Real> &v, const Vector<Real> &x, Real &tol ) override;
 
  void setAnchor(const Vector<Real> &x, const Vector<Real> &g);
}; // class PQNObjective
 
} // namespace ROL
 
#include "ROL_PQNObjective_Def.hpp"
 
#endif