IterationScaling_U Class Reference

Provides an implementation of iteration scaled line search. More...

#include <ROL_IterationScaling_U.hpp>

Inheritance diagram for IterationScaling_U:

Public Member Functions
	IterationScaling_U (ParameterList &parlist)
void	initialize (const Vector< Real > &x, const Vector< Real > &g) override
void	run (Real &alpha, Real &fval, int &ls_neval, int &ls_ngrad, const Real &gs, const Vector< Real > &s, const Vector< Real > &x, Objective< Real > &obj) override
Public Member Functions inherited from LineSearch_U< Real >
virtual	~LineSearch_U ()
	LineSearch_U (ParameterList &parlist)
void	setMaxitUpdate (Real &alpha, Real &fnew, const Real &fold)

Private Attributes
int	algo_iter_
Ptr< Vector< Real > >	xnew_

Additional Inherited Members
Protected Member Functions inherited from LineSearch_U< Real >
virtual bool	status (const ELineSearchU type, int &ls_neval, int &ls_ngrad, const Real alpha, const Real fold, const Real sgold, const Real fnew, const Vector< Real > &x, const Vector< Real > &s, Objective< Real > &obj)
virtual Real	getInitialAlpha (int &ls_neval, int &ls_ngrad, const Real fval, const Real gs, const Vector< Real > &x, const Vector< Real > &s, Objective< Real > &obj)
void	setNextInitialAlpha (Real alpha)
bool	useLocalMinimizer ()
bool	takeNoStep ()

Detailed Description

Provides an implementation of iteration scaled line search.

Constructor & Destructor Documentation

IterationScaling_U()

IterationScaling_U::IterationScaling_U ( ParameterList & parlist )

inline

Definition at line 65 of file ROL_IterationScaling_U.hpp.

Member Function Documentation

initialize()

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

inlineoverridevirtual

Reimplemented from LineSearch_U< Real >.

Definition at line 67 of file ROL_IterationScaling_U.hpp.

References LineSearch_U::initialize().

run()

void IterationScaling_U::run ( Real & alpha, Real & fval, int & ls_neval, int & ls_ngrad, const Real & gs, const Vector< Real > & s, const Vector< Real > & x, Objective< Real > & obj )

inlineoverridevirtual

Implements LineSearch_U< Real >.

Definition at line 73 of file ROL_IterationScaling_U.hpp.

References LineSearch_U< Real >::getInitialAlpha().

Member Data Documentation

algo_iter_

int IterationScaling_U::algo_iter_

private

Definition at line 58 of file ROL_IterationScaling_U.hpp.

xnew_

Ptr<Vector<Real> > IterationScaling_U::xnew_

private

Definition at line 59 of file ROL_IterationScaling_U.hpp.

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

• ROL_IterationScaling_U.hpp