DescentDirection_U Class Reference

Provides the interface to compute unconstrained optimization steps for line search. More...

#include <ROL_DescentDirection_U.hpp>

Public Member Functions
virtual	~DescentDirection_U ()
virtual void	initialize (const Vector< Real > &x, const Vector< Real > &g)
virtual void	compute (Vector< Real > &s, Real &snorm, Real &sdotg, int &iter, int &flag, const Vector< Real > &x, const Vector< Real > &g, Objective< Real > &obj)=0
virtual void	update (const Vector< Real > &x, const Vector< Real > &s, const Vector< Real > &gold, const Vector< Real > &gnew, const Real snorm, const int iter)
virtual std::string	printName (void) const

Detailed Description

Provides the interface to compute unconstrained optimization steps for line search.

Constructor & Destructor Documentation

~DescentDirection_U()

virtual DescentDirection_U::~DescentDirection_U ( )

inlinevirtual

Definition at line 60 of file ROL_DescentDirection_U.hpp.

Member Function Documentation

initialize()

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

inlinevirtual

Definition at line 62 of file ROL_DescentDirection_U.hpp.

compute()

virtual void DescentDirection_U::compute ( Vector< Real > & s, Real & snorm, Real & sdotg, int & iter, int & flag, const Vector< Real > & x, const Vector< Real > & g, Objective< Real > & obj )

pure virtual

Implemented in Gradient_U, and QuasiNewton_U.

update()

virtual void DescentDirection_U::update ( const Vector< Real > & x, const Vector< Real > & s, const Vector< Real > & gold, const Vector< Real > & gnew, const Real snorm, const int iter )

inlinevirtual

Reimplemented in QuasiNewton_U.

Definition at line 67 of file ROL_DescentDirection_U.hpp.

printName()

virtual std::string DescentDirection_U::printName ( void ) const

inlinevirtual

Reimplemented in Gradient_U, QuasiNewton_U, ROL::Newton_U< Real >, ROL::NewtonKrylov_U< Real >, and ROL::NonlinearCG_U< Real >.

Definition at line 71 of file ROL_DescentDirection_U.hpp.

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

• ROL_DescentDirection_U.hpp