ROL
Public Member Functions | Private Attributes | List of all members
ROL::Bisection< Real > Class Template Reference

Implements a bisection line search. More...

#include <ROL_Bisection.hpp>

+ Inheritance diagram for ROL::Bisection< Real >:

Public Member Functions

virtual ~Bisection ()
 
 Bisection (ROL::ParameterList &parlist)
 
void initialize (const Vector< Real > &x, const Vector< Real > &s, const Vector< Real > &g, Objective< Real > &obj, BoundConstraint< Real > &con)
 
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, BoundConstraint< Real > &con)
 
- Public Member Functions inherited from ROL::LineSearch< Real >
virtual ~LineSearch ()
 
 LineSearch (ROL::ParameterList &parlist)
 
void setData (Real &eps, const Vector< Real > &g)
 
void setMaxitUpdate (Real &alpha, Real &fnew, const Real &fold)
 

Private Attributes

Real tol_
 
ROL::Ptr< Vector< Real > > xnew_
 
ROL::Ptr< LineSearch< Real > > btls_
 

Additional Inherited Members

- Protected Member Functions inherited from ROL::LineSearch< Real >
virtual bool status (const ELineSearch 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, BoundConstraint< Real > &con)
 
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, BoundConstraint< Real > &con)
 
void setNextInitialAlpha (Real alpha)
 
void updateIterate (Vector< Real > &xnew, const Vector< Real > &x, const Vector< Real > &s, Real alpha, BoundConstraint< Real > &con)
 
bool useLocalMinimizer ()
 
bool takeNoStep ()
 

Detailed Description

template<class Real>
class ROL::Bisection< Real >

Implements a bisection line search.

Definition at line 57 of file ROL_Bisection.hpp.

Constructor & Destructor Documentation

template<class Real >
virtual ROL::Bisection< Real >::~Bisection ( )
inlinevirtual

Definition at line 65 of file ROL_Bisection.hpp.

template<class Real >
ROL::Bisection< Real >::Bisection ( ROL::ParameterList &  parlist)
inline

Member Function Documentation

template<class Real >
void ROL::Bisection< Real >::initialize ( const Vector< Real > &  x,
const Vector< Real > &  s,
const Vector< Real > &  g,
Objective< Real > &  obj,
BoundConstraint< Real > &  con 
)
inlinevirtual
template<class Real >
void ROL::Bisection< Real >::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,
BoundConstraint< Real > &  con 
)
inlinevirtual

Member Data Documentation

template<class Real >
Real ROL::Bisection< Real >::tol_
private
template<class Real >
ROL::Ptr<Vector<Real> > ROL::Bisection< Real >::xnew_
private
template<class Real >
ROL::Ptr<LineSearch<Real> > ROL::Bisection< Real >::btls_
private

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