ROL: ROL::DogLeg< Real > Class Template Reference

ROL

Provides interface for dog leg trust-region subproblem solver. More...

#include <ROL_DogLeg.hpp>

Inheritance diagram for ROL::DogLeg< Real >:

Public Member Functions
	DogLeg (ROL::ParameterList &parlist)

void	initialize (const Vector< Real > &x, const Vector< Real > &s, const Vector< Real > &g)

void	run (Vector< Real > &s, Real &snorm, int &iflag, int &iter, const Real del, TrustRegionModel< Real > &model)

Public Member Functions inherited from ROL::TrustRegion< Real >
virtual	~TrustRegion ()

	TrustRegion (ROL::ParameterList &parlist)

virtual void	update (Vector< Real > &x, Real &fnew, Real &del, int &nfval, int &ngrad, ETrustRegionFlag &flagTR, const Vector< Real > &s, const Real snorm, const Real fold, const Vector< Real > &g, int iter, Objective< Real > &obj, BoundConstraint< Real > &bnd, TrustRegionModel< Real > &model)

void	setPredictedReduction (const Real pRed)

Real	getPredictedReduction (void) const

Private Attributes
ROL::Ptr< CauchyPoint< Real > >	cpt_

ROL::Ptr< Vector< Real > >	s_

ROL::Ptr< Vector< Real > >	Hp_

Real	pRed_

Detailed Description

template<class Real>
class ROL::DogLeg< Real >

Provides interface for dog leg trust-region subproblem solver.

Definition at line 23 of file ROL_DogLeg.hpp.

Constructor & Destructor Documentation

template<class Real >

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

inline

Definition at line 36 of file ROL_DogLeg.hpp.

References ROL::DogLeg< Real >::cpt_.

Member Function Documentation

template<class Real >

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

inlinevirtual

Reimplemented from ROL::TrustRegion< Real >.

Definition at line 40 of file ROL_DogLeg.hpp.

References ROL::Vector< Real >::clone(), ROL::DogLeg< Real >::cpt_, ROL::DogLeg< Real >::Hp_, ROL::TrustRegion< Real >::initialize(), and ROL::DogLeg< Real >::s_.

template<class Real >

void ROL::DogLeg< Real >::run	(	Vector< Real > &	s,
		Real &	snorm,
		int &	iflag,
		int &	iter,
		const Real	del,
		TrustRegionModel< Real > &	model
	)

inlinevirtual

Implements ROL::TrustRegion< Real >.

Definition at line 47 of file ROL_DogLeg.hpp.

References ROL::Vector< Real >::axpy(), ROL::DogLeg< Real >::cpt_, ROL::Vector< Real >::dual(), ROL::TrustRegionModel< Real >::dualTransform(), ROL::TrustRegionModel< Real >::getGradient(), ROL::TrustRegionModel< Real >::hessVec(), ROL::DogLeg< Real >::Hp_, ROL::TrustRegionModel< Real >::invHessVec(), ROL::Vector< Real >::norm(), ROL::DogLeg< Real >::pRed_, ROL::TrustRegionModel< Real >::primalTransform(), ROL::DogLeg< Real >::s_, ROL::Vector< Real >::scale(), ROL::Vector< Real >::set(), ROL::TrustRegion< Real >::setPredictedReduction(), and zero.

Member Data Documentation

template<class Real >

ROL::Ptr<CauchyPoint<Real> > ROL::DogLeg< Real >::cpt_

private

Definition at line 26 of file ROL_DogLeg.hpp.

Referenced by ROL::DogLeg< Real >::DogLeg(), ROL::DogLeg< Real >::initialize(), and ROL::DogLeg< Real >::run().

template<class Real >

ROL::Ptr<Vector<Real> > ROL::DogLeg< Real >::s_

private

Definition at line 28 of file ROL_DogLeg.hpp.

Referenced by ROL::DogLeg< Real >::initialize(), and ROL::DogLeg< Real >::run().

template<class Real >

ROL::Ptr<Vector<Real> > ROL::DogLeg< Real >::Hp_

private

Definition at line 29 of file ROL_DogLeg.hpp.

Referenced by ROL::DogLeg< Real >::initialize(), and ROL::DogLeg< Real >::run().

template<class Real >

Real ROL::DogLeg< Real >::pRed_

private

Definition at line 31 of file ROL_DogLeg.hpp.

Referenced by ROL::DogLeg< Real >::run().

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

ROL_DogLeg.hpp