ROL
ROL_DouglasRachfordProjection.hpp
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44
45#ifndef ROL_DOUGLASRACHFORDPROJECTION_H
46#define ROL_DOUGLASRACHFORDPROJECTION_H
47
49#include "ROL_ParameterList.hpp"
50
51namespace ROL {
52
53template<typename Real>
55private:
56 int dim_;
57 Ptr<Vector<Real>> tmp_, p_, q_, y_, z_;
58 Real b_, cdot_;
59
63
64 Real atol_, rtol_;
67
74
75public:
76
78 const Vector<Real> &xdual,
79 const Ptr<BoundConstraint<Real>> &bnd,
80 const Ptr<Constraint<Real>> &con,
81 const Vector<Real> &mul,
82 const Vector<Real> &res);
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 ParameterList &list);
91
92 void project(Vector<Real> &x, std::ostream &stream = std::cout) override;
93
94private:
95
96 Real residual_1d(const Vector<Real> &x) const;
97
98 void residual_nd(Vector<Real> &r, const Vector<Real> &y) const;
99
100 void project_bnd(Vector<Real> &x, const Vector<Real> &y) const;
101
102 void project_con(Vector<Real> &x, const Vector<Real> &y) const;
103
104 void project_DouglasRachford(Vector<Real> &x, std::ostream &stream = std::cout) const;
105
106}; // class DouglasRachfordProjection
107
108} // namespace ROL
109
111
112#endif
Provides the interface to apply upper and lower bound constraints.
Defines the general constraint operator interface.
void project(Vector< Real > &x, std::ostream &stream=std::cout) override
Real residual_1d(const Vector< Real > &x) const
void project_DouglasRachford(Vector< Real > &x, std::ostream &stream=std::cout) const
void project_bnd(Vector< Real > &x, const Vector< Real > &y) const
void project_con(Vector< Real > &x, const Vector< Real > &y) const
void residual_nd(Vector< Real > &r, const Vector< Real > &y) const
const Ptr< Constraint< Real > > con_
const Ptr< BoundConstraint< Real > > bnd_
Defines the linear algebra or vector space interface.
Definition: ROL_Vector.hpp:84