ROL
ROL_AugmentedSystemOperator.hpp
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43
44#ifndef ROL_AUGMENTED_SYSTEM_OPERATOR_H
45#define ROL_AUGMENTED_SYSTEM_OPERATOR_H
46
47#include "ROL_Constraint.hpp"
49
57namespace ROL {
58
59template <class Real>
61private:
62 const Ptr<Constraint<Real>> con_;
63 const Ptr<const Vector<Real>> x_;
64 const Real delta_;
65
66public:
69 const Ptr<const Vector<Real>> &x,
70 const Real delta = 0.0)
71 : con_(con), x_(x), delta_(delta) {}
72
73 void apply( Vector<Real> &Hv, const Vector<Real> &v, Real &tol ) const {
74 PartitionedVector<Real> &Hvp = dynamic_cast<PartitionedVector<Real>&>(Hv);
75 const PartitionedVector<Real> &vp = dynamic_cast<const PartitionedVector<Real>&>(v);
76
77 Ptr<Vector<Real>> h1 = Hvp.get(0)->dual().clone();
78 con_->applyAdjointJacobian(*h1, *(vp.get(1)), *x_, tol);
79 //con_->applyAdjointJacobian(*(Hvp.get(0)), *(vp.get(1)), *x_, tol);
80 //Hvp.get(0)->plus(*(vp.get(0)));
81 Hvp.get(0)->set(h1->dual()); Hvp.get(0)->plus(*(vp.get(0)));
82
83 con_->applyJacobian(*(Hvp.get(1)), *(vp.get(0)), *x_, tol);
84 if ( delta_ > static_cast<Real>(0) ) {
85 Hvp.get(1)->axpy(-delta_*delta_, *(vp.get(1)));
86 }
87 }
88
89 void applyAdjoint( Vector<Real> &Hv, const Vector<Real> &v, Real &tol ) const {
90 apply(Hv,v,tol);
91 }
92
93 void applyInverse( Vector<Real> &Hv, const Vector<Real> &v, Real &tol ) const {
94 throw Exception::NotImplemented(">>> AugmentedSystemOperator::applyInverse : Not implemented!");
95 }
96
97 void applyAdjointInverse( Vector<Real> &Hv, const Vector<Real> &v, Real &tol ) const {
98 throw Exception::NotImplemented(">>> AugmentedSystemOperator::applyAdjointInverse : Not implemented!");
99 }
100
101}; // class AugmentedSystemOperator
102
103} // namespace ROL
104
105#endif
Apply the augmented system operator.
AugmentedSystemOperator(const Ptr< Constraint< Real > > &con, const Ptr< const Vector< Real > > &x, const Real delta=0.0)
void applyAdjointInverse(Vector< Real > &Hv, const Vector< Real > &v, Real &tol) const
Apply adjoint of the inverse linear operator.
const Ptr< const Vector< Real > > x_
void apply(Vector< Real > &Hv, const Vector< Real > &v, Real &tol) const
Apply linear operator.
const Ptr< Constraint< Real > > con_
void applyAdjoint(Vector< Real > &Hv, const Vector< Real > &v, Real &tol) const
Apply adjoint of linear operator.
void applyInverse(Vector< Real > &Hv, const Vector< Real > &v, Real &tol) const
Apply inverse of linear operator.
Defines the general constraint operator interface.
Provides the interface to apply a linear operator.
Defines the linear algebra of vector space on a generic partitioned vector.
ROL::Ptr< const Vector< Real > > get(size_type i) const
const V & dual(void) const
Return dual representation of , for example, the result of applying a Riesz map, or change of basis,...
Defines the linear algebra or vector space interface.
Definition: ROL_Vector.hpp:84