ROL
ROL_RiskLessObjective_Def.hpp
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43
44#ifndef ROL_RISKLESSOBJECTIVE_DEF_HPP
45#define ROL_RISKLESSOBJECTIVE_DEF_HPP
46
47namespace ROL {
48
49template<typename Real>
51
52template<typename Real>
54 Ptr<const Vector<Real>> x0
55 = dynamic_cast<const RiskVector<Real>&>(x).getVector();
56 obj_->update(*x0,type,iter);
57}
58
59template<typename Real>
60void RiskLessObjective<Real>::update( const Vector<Real> &x, bool flag, int iter ) {
61 Ptr<const Vector<Real>> x0
62 = dynamic_cast<const RiskVector<Real>&>(x).getVector();
63 obj_->update(*x0,flag,iter);
64}
65
66template<typename Real>
67Real RiskLessObjective<Real>::value( const Vector<Real> &x, Real &tol ) {
68 Ptr<const Vector<Real>> x0
69 = dynamic_cast<const RiskVector<Real>&>(x).getVector();
70 return obj_->value(*x0,tol);
71}
72
73template<typename Real>
75 Ptr<Vector<Real>> g0
76 = dynamic_cast<RiskVector<Real>&>(g).getVector();
77 Ptr<const Vector<Real>> x0
78 = dynamic_cast<const RiskVector<Real>&>(x).getVector();
79 obj_->gradient(*g0,*x0,tol);
80}
81
82template<typename Real>
84 const Vector<Real> &x, Real &tol ) {
85 Ptr<Vector<Real>> hv0
86 = dynamic_cast<RiskVector<Real>&>(hv).getVector();
87 Ptr<const Vector<Real>> v0
88 = dynamic_cast<const RiskVector<Real>&>(v).getVector();
89 Ptr<const Vector<Real>> x0
90 = dynamic_cast<const RiskVector<Real>&>(x).getVector();
91 obj_->hessVec(*hv0,*v0,*x0,tol);
92}
93
94template<typename Real>
96 const Vector<Real> &x, Real &tol ) {
97 Ptr<Vector<Real>> Pv0
98 = dynamic_cast<RiskVector<Real>&>(Pv).getVector();
99 Ptr<const Vector<Real>> v0
100 = dynamic_cast<const RiskVector<Real>&>(v).getVector();
101 Ptr<const Vector<Real>> x0
102 = dynamic_cast<const RiskVector<Real>&>(x).getVector();
103 obj_->precond(*Pv0,*v0,*x0,tol);
104}
105
106template<typename Real>
107void RiskLessObjective<Real>::setParameter(const std::vector<Real> &param) {
109 obj_->setParameter(param);
110}
111
112}
113
114#endif
const Ptr< Obj > obj_
Provides the interface to evaluate objective functions.
virtual void setParameter(const std::vector< Real > &param)
void precond(Vector< Real > &Pv, const Vector< Real > &v, const Vector< Real > &x, Real &tol) override
Apply preconditioner to vector.
Real value(const Vector< Real > &x, Real &tol) override
Compute value.
void setParameter(const std::vector< Real > &param) override
void gradient(Vector< Real > &g, const Vector< Real > &x, Real &tol) override
Compute gradient.
void hessVec(Vector< Real > &hv, const Vector< Real > &v, const Vector< Real > &x, Real &tol) override
Apply Hessian approximation to vector.
RiskLessObjective(const Ptr< Objective< Real > > &obj)
void update(const Vector< Real > &x, UpdateType type, int iter=-1) override
Update objective function.
Defines the linear algebra or vector space interface.