ROL
ROL_Objective_FSsolver_Def.hpp
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43 
44 #ifndef ROL_OBJECTIVE_FSSOLVER_DEF_H
45 #define ROL_OBJECTIVE_FSSOLVER_DEF_H
46 
47 namespace ROL {
48 
49 template<typename Real>
50 Real Objective_FSsolver<Real>::value( const Vector<Real> &u, Real &tol ) {
51  return static_cast<Real>(0.5)*u.dot(u);
52 }
53 
54 template<typename Real>
56  g.set(u.dual());
57 }
58 
59 template<typename Real>
60 void Objective_FSsolver<Real>::hessVec( Vector<Real> &hv, const Vector<Real> &v, const Vector<Real> &u, Real &tol ) {
61  hv.set(v.dual());
62 }
63 
64 } // namespace ROL
65 
66 #endif
virtual const Vector & dual() const
Return dual representation of , for example, the result of applying a Riesz map, or change of basis...
Definition: ROL_Vector.hpp:226
Defines the linear algebra or vector space interface.
Definition: ROL_Vector.hpp:80
void gradient(Vector< Real > &g, const Vector< Real > &u, Real &tol) override
Compute gradient.
virtual Real dot(const Vector &x) const =0
Compute where .
Real value(const Vector< Real > &u, Real &tol) override
Compute value.
virtual void set(const Vector &x)
Set where .
Definition: ROL_Vector.hpp:209
void hessVec(Vector< Real > &hv, const Vector< Real > &v, const Vector< Real > &u, Real &tol) override
Apply Hessian approximation to vector.