ROL
Public Member Functions | Private Attributes | List of all members
SPGTrustRegion_U Class Reference

Provides interface for truncated CG trust-region subproblem solver. More...

#include <ROL_SPGTrustRegion_U.hpp>

+ Inheritance diagram for SPGTrustRegion_U:

Public Member Functions

 SPGTrustRegion_U (ParameterList &parlist)
 
void initialize (const Vector< Real > &x, const Vector< Real > &g)
 
void solve (Vector< Real > &s, Real &snorm, Real &pRed, int &iflag, int &iter, const Real del, TrustRegionModel_U< Real > &model)
 
- Public Member Functions inherited from TrustRegion_U< Real >
virtual ~TrustRegion_U ()
 

Private Attributes

Ptr< Vector< Real > > dwa_
 
Ptr< Vector< Real > > pwa_
 
Ptr< Vector< Real > > pwa1_
 
Ptr< Vector< Real > > gmod_
 
Ptr< Vector< Real > > smin_
 
Real lambdaMin_
 
Real lambdaMax_
 
Real gamma_
 
int maxSize_
 
int maxit_
 
Real tol1_
 
Real tol2_
 
bool useMin_
 
bool useNMSP_
 

Detailed Description

Provides interface for truncated CG trust-region subproblem solver.

Constructor & Destructor Documentation

◆ SPGTrustRegion_U()

SPGTrustRegion_U::SPGTrustRegion_U ( ParameterList & parlist)
inline

Definition at line 76 of file ROL_SPGTrustRegion_U.hpp.

Member Function Documentation

◆ initialize()

void SPGTrustRegion_U::initialize ( const Vector< Real > & x,
const Vector< Real > & g )
inlinevirtual

Reimplemented from TrustRegion_U< Real >.

Definition at line 90 of file ROL_SPGTrustRegion_U.hpp.

◆ solve()

void SPGTrustRegion_U::solve ( Vector< Real > & s,
Real & snorm,
Real & pRed,
int & iflag,
int & iter,
const Real del,
TrustRegionModel_U< Real > & model )
inlinevirtual

Implements TrustRegion_U< Real >.

Definition at line 98 of file ROL_SPGTrustRegion_U.hpp.

References TrustRegionModel_U::getGradient(), gnorm, TrustRegionModel_U::hessVec(), iter, snorm, and zero.

Member Data Documentation

◆ dwa_

Ptr<Vector<Real> > SPGTrustRegion_U::dwa_
private

Definition at line 61 of file ROL_SPGTrustRegion_U.hpp.

◆ pwa_

Ptr<Vector<Real> > SPGTrustRegion_U::pwa_
private

Definition at line 61 of file ROL_SPGTrustRegion_U.hpp.

◆ pwa1_

Ptr<Vector<Real> > SPGTrustRegion_U::pwa1_
private

Definition at line 61 of file ROL_SPGTrustRegion_U.hpp.

◆ gmod_

Ptr<Vector<Real> > SPGTrustRegion_U::gmod_
private

Definition at line 61 of file ROL_SPGTrustRegion_U.hpp.

◆ smin_

Ptr<Vector<Real> > SPGTrustRegion_U::smin_
private

Definition at line 61 of file ROL_SPGTrustRegion_U.hpp.

◆ lambdaMin_

Real SPGTrustRegion_U::lambdaMin_
private

Definition at line 63 of file ROL_SPGTrustRegion_U.hpp.

◆ lambdaMax_

Real SPGTrustRegion_U::lambdaMax_
private

Definition at line 64 of file ROL_SPGTrustRegion_U.hpp.

◆ gamma_

Real SPGTrustRegion_U::gamma_
private

Definition at line 65 of file ROL_SPGTrustRegion_U.hpp.

◆ maxSize_

int SPGTrustRegion_U::maxSize_
private

Definition at line 66 of file ROL_SPGTrustRegion_U.hpp.

◆ maxit_

int SPGTrustRegion_U::maxit_
private

Definition at line 67 of file ROL_SPGTrustRegion_U.hpp.

◆ tol1_

Real SPGTrustRegion_U::tol1_
private

Definition at line 68 of file ROL_SPGTrustRegion_U.hpp.

◆ tol2_

Real SPGTrustRegion_U::tol2_
private

Definition at line 69 of file ROL_SPGTrustRegion_U.hpp.

◆ useMin_

bool SPGTrustRegion_U::useMin_
private

Definition at line 70 of file ROL_SPGTrustRegion_U.hpp.

◆ useNMSP_

bool SPGTrustRegion_U::useNMSP_
private

Definition at line 71 of file ROL_SPGTrustRegion_U.hpp.

The documentation for this class was generated from the following file:
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