ROL_ConstraintFromObjective.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_CONSTRAINTFROMOBJECTIVE_H
#define ROL_CONSTRAINTFROMOBJECTIVE_H
 
#include "ROL_Objective.hpp"
#include "ROL_Constraint.hpp"
#include "ROL_SingletonVector.hpp"

 
 
namespace ROL {
 
template<typename Real> 
class ConstraintFromObjective : public Constraint<Real> {
private:
  const Ptr<Objective<Real>> obj_;
  Ptr<Vector<Real>>          dualVector_;
  const Real                 offset_;
  bool                       isDualInitialized_;
 
public:
  ConstraintFromObjective( const Ptr<Objective<Real>> &obj, const Real offset = 0 );
 
  const Ptr<Objective<Real>> getObjective(void) const;
 
  void setParameter( const std::vector<Real> &param ) override;
 
  void update( const Vector<Real>& x, UpdateType type, int iter = -1 ) override;
  void update( const Vector<Real>& x, bool flag = true, int iter = -1 ) override;
  void value( Vector<Real>& c, const Vector<Real>& x, Real& tol ) override;
  void applyJacobian( Vector<Real>& jv, const Vector<Real>& v, const Vector<Real>& x, Real& tol ) override;
  void applyAdjointJacobian( Vector<Real>& ajv, const Vector<Real>& v, const Vector<Real>& x, Real& tol ) override;
  void applyAdjointHessian( Vector<Real>& ahuv, const Vector<Real>& u, const Vector<Real>& v, const Vector<Real>& x, Real& tol ) override;
 
private:
  Real getValue( const Vector<Real>& x ); 
  void setValue( Vector<Real>& x, Real val );
 
}; // ConstraintFromObjective
 
} // namespace ROL
 
#include "ROL_ConstraintFromObjective_Def.hpp"
 
#endif // ROL_CONSTRAINTFROMOBJECTIVE_H