ROL
ROL_LinearObjective_Def.hpp
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43
44#ifndef ROL_LINEAR_OBJECTIVE_DEF_H
45#define ROL_LINEAR_OBJECTIVE_DEF_H
46
47namespace ROL {
48
49template<typename Real>
50LinearObjective<Real>::LinearObjective(const Ptr<const Vector<Real>> &cost) : cost_(cost) {
51 dual_cost_ = cost_->dual().clone();
52 dual_cost_->set(cost_->dual());
53}
54
55template<typename Real>
56Real LinearObjective<Real>::value( const Vector<Real> &x, Real &tol ) {
57 return x.dot(*dual_cost_);
58}
59
60template<typename Real>
62 g.set(*cost_);
63}
64
65template<typename Real>
66void LinearObjective<Real>::hessVec( Vector<Real> &hv, const Vector<Real> &v, const Vector<Real> &x, Real &tol ) {
67 hv.zero();
68}
69
70} // namespace ROL
71
72#endif
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.
LinearObjective(const Ptr< const Vector< Real > > &cost)
const Ptr< const Vector< Real > > dual_cost_
Real value(const Vector< Real > &x, Real &tol) override
Compute value.
const Ptr< const Vector< Real > > cost_
Defines the linear algebra or vector space interface.
Definition: ROL_Vector.hpp:84
virtual void set(const Vector &x)
Set where .
Definition: ROL_Vector.hpp:209
virtual void zero()
Set to zero vector.
Definition: ROL_Vector.hpp:167
virtual Real dot(const Vector &x) const =0
Compute where .