ROL
ROL_LinMoreModel.hpp
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43
44#ifndef ROL_LINMOREMODEL_HPP
45#define ROL_LINMOREMODEL_HPP
46
49
58namespace ROL {
59
60template<class Real>
61class LinMoreModel : public TrustRegionModel<Real> {
62private:
63 Ptr<Vector<Real>> pwa_, dwa_;
64
65public:
66
68 const Vector<Real> &x, const Vector<Real> &g,
69 const Ptr<Secant<Real>> &secant = nullPtr,
70 const bool useSecantPrecond = false, const bool useSecantHessVec = false)
71 : TrustRegionModel<Real>::TrustRegionModel(obj,bnd,x,g,secant,useSecantPrecond,useSecantHessVec) {
72 pwa_ = x.clone();
73 dwa_ = g.clone();
74 }
75
76 void applyFullHessian(Vector<Real> &hv, const Vector<Real> &v, Real &tol) {
78 }
79
80 void applyFreeHessian(Vector<Real> &hv, const Vector<Real> &v, const Vector<Real> &x, Real &tol) {
81 const Real zero(0);
82 pwa_->set(v);
84 applyFullHessian(hv,*pwa_,tol);
86 }
87
88 void applyFullPrecond(Vector<Real> &pv, const Vector<Real> &v, Real &tol) {
90 }
91
92 void applyFreePrecond(Vector<Real> &pv, const Vector<Real> &v, const Vector<Real> &x, Real &tol) {
93 const Real zero(0);
94 dwa_->set(v);
96 applyFullPrecond(pv,*dwa_,tol);
98 }
99
100};
101
102} // namespace ROL
103
104#endif
Objective_SerialSimOpt(const Ptr< Obj > &obj, const V &ui) z0_ zero()
Provides the interface to apply upper and lower bound constraints.
Provides the interface to evaluate projected trust-region model functions from the Kelley-Sachs bound...
void applyFullHessian(Vector< Real > &hv, const Vector< Real > &v, Real &tol)
void applyFreePrecond(Vector< Real > &pv, const Vector< Real > &v, const Vector< Real > &x, Real &tol)
void applyFullPrecond(Vector< Real > &pv, const Vector< Real > &v, Real &tol)
LinMoreModel(Objective< Real > &obj, BoundConstraint< Real > &bnd, const Vector< Real > &x, const Vector< Real > &g, const Ptr< Secant< Real > > &secant=nullPtr, const bool useSecantPrecond=false, const bool useSecantHessVec=false)
void applyFreeHessian(Vector< Real > &hv, const Vector< Real > &v, const Vector< Real > &x, Real &tol)
Ptr< Vector< Real > > pwa_
Ptr< Vector< Real > > dwa_
Provides the interface to evaluate objective functions.
Provides interface for and implements limited-memory secant operators.
Definition: ROL_Secant.hpp:79
Provides the interface to evaluate trust-region model functions.
void applyHessian(Vector< Real > &hv, const Vector< Real > &v, Real &tol)
void applyPrecond(Vector< Real > &Pv, const Vector< Real > &v, Real &tol)
virtual const Ptr< BoundConstraint< Real > > getBoundConstraint(void) const
Defines the linear algebra or vector space interface.
Definition: ROL_Vector.hpp:84
virtual ROL::Ptr< Vector > clone() const =0
Clone to make a new (uninitialized) vector.