ROL::SPGTrustRegion_U< Real > Class Template Reference

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

#include <ROL_SPGTrustRegion_U.hpp>

Inheritance diagram for ROL::SPGTrustRegion_U< Real >:

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 ROL::ROL::TrustRegion_U< Real >
virtual	~TrustRegion_U ()
virtual void	initialize (const Vector< Real > &x, const Vector< Real > &g)
virtual void	solve (Vector< Real > &s, Real &snorm, Real &pRed, int &iflag, int &iter, const Real del, TrustRegionModel_U< Real > &model)=0

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

template<typename Real>
class ROL::SPGTrustRegion_U< Real >

Provides interface for truncated CG trust-region subproblem solver.

Definition at line 59 of file ROL_SPGTrustRegion_U.hpp.

Constructor & Destructor Documentation

SPGTrustRegion_U()

template<typename Real>

ROL::SPGTrustRegion_U< Real >::SPGTrustRegion_U ( ParameterList & parlist )

inline

Definition at line 76 of file ROL_SPGTrustRegion_U.hpp.

References gamma_, lambdaMax_, lambdaMin_, maxit_, maxSize_, tol1_, tol2_, useMin_, and useNMSP_.

Member Function Documentation

initialize()

template<typename Real>

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

inline

Definition at line 90 of file ROL_SPGTrustRegion_U.hpp.

References ROL::Vector< Real >::clone(), dwa_, gmod_, pwa1_, pwa_, and smin_.

solve()

template<typename Real>

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

inline

Definition at line 98 of file ROL_SPGTrustRegion_U.hpp.

References ROL::Vector< Real >::axpy(), dwa_, gamma_, ROL::TrustRegionModel_U< Real >::getGradient(), gmod_, ROL::TrustRegionModel_U< Real >::hessVec(), lambdaMax_, lambdaMin_, maxit_, maxSize_, ROL::Vector< Real >::norm(), pwa1_, pwa_, ROL::ROL_EPSILON(), ROL::Vector< Real >::scale(), ROL::Vector< Real >::set(), smin_, tol1_, tol2_, useMin_, useNMSP_, and zero.

Member Data Documentation

dwa_

template<typename Real>

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

private

Definition at line 61 of file ROL_SPGTrustRegion_U.hpp.

Referenced by initialize(), and solve().

pwa_

template<typename Real>

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

private

Definition at line 61 of file ROL_SPGTrustRegion_U.hpp.

Referenced by initialize(), and solve().

pwa1_

template<typename Real>

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

private

Definition at line 61 of file ROL_SPGTrustRegion_U.hpp.

Referenced by initialize(), and solve().

gmod_

template<typename Real>

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

private

Definition at line 61 of file ROL_SPGTrustRegion_U.hpp.

Referenced by initialize(), and solve().

smin_

template<typename Real>

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

private

Definition at line 61 of file ROL_SPGTrustRegion_U.hpp.

Referenced by initialize(), and solve().

lambdaMin_

template<typename Real>

Real ROL::SPGTrustRegion_U< Real >::lambdaMin_

private

Definition at line 63 of file ROL_SPGTrustRegion_U.hpp.

Referenced by solve(), and SPGTrustRegion_U().

lambdaMax_

template<typename Real>

Real ROL::SPGTrustRegion_U< Real >::lambdaMax_

private

Definition at line 64 of file ROL_SPGTrustRegion_U.hpp.

Referenced by solve(), and SPGTrustRegion_U().

gamma_

template<typename Real>

Real ROL::SPGTrustRegion_U< Real >::gamma_

private

Definition at line 65 of file ROL_SPGTrustRegion_U.hpp.

Referenced by solve(), and SPGTrustRegion_U().

maxSize_

template<typename Real>

int ROL::SPGTrustRegion_U< Real >::maxSize_

private

Definition at line 66 of file ROL_SPGTrustRegion_U.hpp.

Referenced by solve(), and SPGTrustRegion_U().

maxit_

template<typename Real>

int ROL::SPGTrustRegion_U< Real >::maxit_

private

Definition at line 67 of file ROL_SPGTrustRegion_U.hpp.

Referenced by solve(), and SPGTrustRegion_U().

tol1_

template<typename Real>

Real ROL::SPGTrustRegion_U< Real >::tol1_

private

Definition at line 68 of file ROL_SPGTrustRegion_U.hpp.

Referenced by solve(), and SPGTrustRegion_U().

tol2_

template<typename Real>

Real ROL::SPGTrustRegion_U< Real >::tol2_

private

Definition at line 69 of file ROL_SPGTrustRegion_U.hpp.

Referenced by solve(), and SPGTrustRegion_U().

useMin_

template<typename Real>

bool ROL::SPGTrustRegion_U< Real >::useMin_

private

Definition at line 70 of file ROL_SPGTrustRegion_U.hpp.

Referenced by solve(), and SPGTrustRegion_U().

useNMSP_

template<typename Real>

bool ROL::SPGTrustRegion_U< Real >::useNMSP_

private

Definition at line 71 of file ROL_SPGTrustRegion_U.hpp.

Referenced by solve(), and SPGTrustRegion_U().

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

• ROL_SPGTrustRegion_U.hpp