ROL
ROL_DaiFletcherProjection.hpp
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44
45#ifndef ROL_DAIFLETCHERPROJECTION_H
46#define ROL_DAIFLETCHERPROJECTION_H
47
49#include "ROL_ParameterList.hpp"
50
51namespace ROL {
52
53template<typename Real>
55private:
56 int dim_;
57 Ptr<Vector<Real>> xnew_, Px_;
59
62
65
66 Real ctol_;
67
74
75 void initialize(const Vector<Real> &xprim,
76 const Vector<Real> &xdual,
77 const Ptr<BoundConstraint<Real>> &bnd,
78 const Ptr<Constraint<Real>> &con,
79 const Vector<Real> &mul,
80 const Vector<Real> &res);
81
82public:
83
85 const Vector<Real> &xdual,
86 const Ptr<BoundConstraint<Real>> &bnd,
87 const Ptr<Constraint<Real>> &con,
88 const Vector<Real> &mul,
89 const Vector<Real> &res);
90
92 const Vector<Real> &xdual,
93 const Ptr<BoundConstraint<Real>> &bnd,
94 const Ptr<Constraint<Real>> &con,
95 const Vector<Real> &mul,
96 const Vector<Real> &res,
97 ParameterList &list);
98
99 void project(Vector<Real> &x, std::ostream &stream = std::cout) override;
100
101private:
102
103 Real residual(const Vector<Real> &x) const;
104
105 void update_primal(Vector<Real> &y, const Vector<Real> &x, const Real lam) const;
106
107 void project_df(Vector<Real> &x, Real &lam, Real &dlam, std::ostream &stream = std::cout) const;
108
109}; // class DaiFletcherProjection
110
111} // namespace ROL
112
114
115#endif
Provides the interface to apply upper and lower bound constraints.
Defines the general constraint operator interface.
void project_df(Vector< Real > &x, Real &lam, Real &dlam, std::ostream &stream=std::cout) const
void project(Vector< Real > &x, std::ostream &stream=std::cout) override
DaiFletcherProjection(const Vector< Real > &xprim, const Vector< Real > &xdual, const Ptr< BoundConstraint< Real > > &bnd, const Ptr< Constraint< Real > > &con, const Vector< Real > &mul, const Vector< Real > &res)
Real residual(const Vector< Real > &x) const
void initialize(const Vector< Real > &xprim, const Vector< Real > &xdual, const Ptr< BoundConstraint< Real > > &bnd, const Ptr< Constraint< Real > > &con, const Vector< Real > &mul, const Vector< Real > &res)
void update_primal(Vector< Real > &y, const Vector< Real > &x, const Real lam) const
const Ptr< Constraint< Real > > con_
const Ptr< BoundConstraint< Real > > bnd_
Defines the linear algebra or vector space interface.