ROL_Objective_FSsolver.hpp

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#ifndef ROL_OBJECTIVE_FSSOLVER_H
#define ROL_OBJECTIVE_FSSOLVER_H

#include "ROL_Objective.hpp"

namespace ROL {

template <class Real>
class Objective_FSsolver : public Objective<Real> {
public:

  Real value( const Vector<Real> &u, Real &tol ) {
    return static_cast<Real>(0.5)*u.dot(u.dual());
  }

  void gradient( Vector<Real> &g, const Vector<Real> &u, Real &tol ) {
    g.set(u.dual());
  }

  void hessVec( Vector<Real> &hv, const Vector<Real> &v, const Vector<Real> &u, Real &tol ) {
    hv.set(v.dual());
  }

  void setParameter(const std::vector<Real> &param) {}

}; // class Objective_FSsolver

} // namespace ROL

#endif