PathBasedTargetLevel_U Class Reference

Provides an implementation of path-based target leve line search. More...

#include <ROL_PathBasedTargetLevel_U.hpp>

Inheritance diagram for PathBasedTargetLevel_U:

Public Member Functions
	PathBasedTargetLevel_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
Ptr< Vector< Real > >	xnew_
Real	min_value_
Real	rec_value_
Real	target_
Real	delta_
Real	sigma_
Real	bound_

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 path-based target leve line search.

Constructor & Destructor Documentation

PathBasedTargetLevel_U()

PathBasedTargetLevel_U::PathBasedTargetLevel_U ( ParameterList & parlist )

inline

Definition at line 69 of file ROL_PathBasedTargetLevel_U.hpp.

Member Function Documentation

initialize()

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

inlineoverridevirtual

Reimplemented from LineSearch_U< Real >.

Definition at line 78 of file ROL_PathBasedTargetLevel_U.hpp.

References LineSearch_U::initialize().

run()

void PathBasedTargetLevel_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 84 of file ROL_PathBasedTargetLevel_U.hpp.

References zero.

Member Data Documentation

xnew_

Ptr<Vector<Real> > PathBasedTargetLevel_U::xnew_

private

Definition at line 58 of file ROL_PathBasedTargetLevel_U.hpp.

min_value_

Real PathBasedTargetLevel_U::min_value_

private

Definition at line 60 of file ROL_PathBasedTargetLevel_U.hpp.

rec_value_

Real PathBasedTargetLevel_U::rec_value_

private

Definition at line 61 of file ROL_PathBasedTargetLevel_U.hpp.

target_

Real PathBasedTargetLevel_U::target_

private

Definition at line 62 of file ROL_PathBasedTargetLevel_U.hpp.

delta_

Real PathBasedTargetLevel_U::delta_

private

Definition at line 63 of file ROL_PathBasedTargetLevel_U.hpp.

sigma_

Real PathBasedTargetLevel_U::sigma_

private

Definition at line 64 of file ROL_PathBasedTargetLevel_U.hpp.

bound_

Real PathBasedTargetLevel_U::bound_

private

Definition at line 65 of file ROL_PathBasedTargetLevel_U.hpp.

---

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

• ROL_PathBasedTargetLevel_U.hpp