Playa::SimpleBacktracking Class Reference

Inheritance diagram for Playa::SimpleBacktracking:

List of all members.

Public Member Functions
	SimpleBacktracking (const ParameterList &params)
LineSearchStatus	search (const RCP< ObjectiveBase > &obj, const Vector< double > &x0, const double &f0, const Vector< double > &direction, const double &alphaMax, Vector< double > &xn, Vector< double > &gradF, double &fVal) const
std::string	description () const
void	print (std::ostream &os) const

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Detailed Description

Simple backtracking line search

Definition at line 54 of file PlayaSimpleBacktracking.hpp.

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Constructor & Destructor Documentation

Playa::SimpleBacktracking::SimpleBacktracking

(

const ParameterList &

params

)

Definition at line 53 of file PlayaSimpleBacktracking.cpp.

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Member Function Documentation

std::string Playa::SimpleBacktracking::description

(

)

const

Definition at line 57 of file PlayaSimpleBacktracking.cpp.

References Playa::LineSearchBase::maxSteps(), and Playa::LineSearchBase::minStepSize().

Referenced by print().

void Playa::SimpleBacktracking::print

(

std::ostream &

os

)

const [inline, virtual]

Implements Playa::Printable.

Definition at line 74 of file PlayaSimpleBacktracking.hpp.

References description().

LineSearchStatus Playa::SimpleBacktracking::search	(	const RCP< ObjectiveBase > &	obj,
		const Vector< double > &	x0,
		const double &	f0,
		const Vector< double > &	direction,
		const double &	alphaMax,
		Vector< double > &	xn,
		Vector< double > &	gradF,
		double &	fVal
	)		const [virtual]

Implements Playa::LineSearchBase.

Definition at line 65 of file PlayaSimpleBacktracking.cpp.

References Playa::LS_Crashed, Playa::LS_ExceededMaxiters, Playa::LS_StepTooSmall, Playa::LS_Success, Playa::LineSearchBase::maxSteps(), Playa::LineSearchBase::minStepSize(), Playa::Out::os(), Playa::Out::root(), and Playa::ObjectWithVerbosity::verb().