Class LineSearch

• Defined in File linesearch.hpp

Inheritance Relationships

Derived Types

• private pele::BacktrackingLineSearch (Class BacktrackingLineSearch)

• private pele::BracketingLineSearch (Class BracketingLineSearch)

• public pele::MoreThuente (Class MoreThuente)

• private pele::NocedalWrightLineSearch (Class NocedalWrightLineSearch)

• public pele::OldLineSearch (Class OldLineSearch)

Class Documentation

class LineSearch

Abstract base class for Line Search Methods in optimizers.

All Line search methods should ideally derive from this class

Subclassed by pele::BacktrackingLineSearch, pele::BracketingLineSearch, pele::MoreThuente, pele::NocedalWrightLineSearch, pele::OldLineSearch

Public Functions

inline LineSearch(GradientOptimizer *opt, double max_stepnorm)

inline virtual ~LineSearch()

virtual double line_search(Array<double> &x, Array<double> step) = 0

Compute the step size given a step and a position.

inline void set_max_stepnorm_(double max_stepnorm_in)

Protected Attributes

Array<double> end_gradient

double end_energy

double stepnorm

double max_stepnorm_

GradientOptimizer *opt_