ROL::TruncatedCG_U< Real > Class Template Reference

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

#include <ROL_TruncatedCG_U.hpp>

Inheritance diagram for ROL::TruncatedCG_U< Real >:

Public Member Functions
	TruncatedCG_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 > >	s_
Ptr< Vector< Real > >	g_
Ptr< Vector< Real > >	v_
Ptr< Vector< Real > >	p_
Ptr< Vector< Real > >	Hp_
int	maxit_
Real	tol1_
Real	tol2_

Detailed Description

template<class Real>
class ROL::TruncatedCG_U< Real >

Provides interface for truncated CG trust-region subproblem solver.

Definition at line 23 of file ROL_TruncatedCG_U.hpp.

Constructor & Destructor Documentation

TruncatedCG_U()

template<class Real>

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

inline

Definition at line 34 of file ROL_TruncatedCG_U.hpp.

References maxit_, tol1_, and tol2_.

Member Function Documentation

initialize()

template<class Real>

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

inline

Definition at line 42 of file ROL_TruncatedCG_U.hpp.

References ROL::Vector< Real >::clone(), g_, Hp_, p_, s_, and v_.

solve()

template<class Real>

void ROL::TruncatedCG_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 50 of file ROL_TruncatedCG_U.hpp.

References ROL::Vector< Real >::axpy(), g_, ROL::TrustRegionModel_U< Real >::getGradient(), ROL::TrustRegionModel_U< Real >::hessVec(), Hp_, maxit_, p_, ROL::TrustRegionModel_U< Real >::precond(), ROL::ROL_EPSILON(), s_, ROL::Vector< Real >::set(), tol1_, tol2_, v_, ROL::Vector< Real >::zero(), and zero.

Member Data Documentation

s_

template<class Real>

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

private

Definition at line 25 of file ROL_TruncatedCG_U.hpp.

Referenced by initialize(), and solve().

g_

template<class Real>

Ptr<Vector<Real> > ROL::TruncatedCG_U< Real >::g_

private

Definition at line 25 of file ROL_TruncatedCG_U.hpp.

Referenced by initialize(), and solve().

v_

template<class Real>

Ptr<Vector<Real> > ROL::TruncatedCG_U< Real >::v_

private

Definition at line 25 of file ROL_TruncatedCG_U.hpp.

Referenced by initialize(), and solve().

p_

template<class Real>

Ptr<Vector<Real> > ROL::TruncatedCG_U< Real >::p_

private

Definition at line 25 of file ROL_TruncatedCG_U.hpp.

Referenced by initialize(), and solve().

Hp_

template<class Real>

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

private

Definition at line 25 of file ROL_TruncatedCG_U.hpp.

Referenced by initialize(), and solve().

maxit_

template<class Real>

int ROL::TruncatedCG_U< Real >::maxit_

private

Definition at line 27 of file ROL_TruncatedCG_U.hpp.

Referenced by solve(), and TruncatedCG_U().

tol1_

template<class Real>

Real ROL::TruncatedCG_U< Real >::tol1_

private

Definition at line 28 of file ROL_TruncatedCG_U.hpp.

Referenced by solve(), and TruncatedCG_U().

tol2_

template<class Real>

Real ROL::TruncatedCG_U< Real >::tol2_

private

Definition at line 29 of file ROL_TruncatedCG_U.hpp.

Referenced by solve(), and TruncatedCG_U().

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

• ROL_TruncatedCG_U.hpp