Package gov.nih.mipav.model.algorithms

Class CeresSolver.LineSearchFunction

java.lang.Object

gov.nih.mipav.model.algorithms.CeresSolver.LineSearchFunction

Enclosing class:

CeresSolver

class CeresSolver.LineSearchFunction
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.Vector<java.lang.Double>	direction_
private CeresSolver.Evaluator	evaluator_
private double	initial_evaluator_jacobian_time_in_seconds
private double	initial_evaluator_residual_time_in_seconds
private java.util.Vector<java.lang.Double>	position_
private java.util.Vector<java.lang.Double>	scaled_direction_

Constructor Summary

Constructors

Constructor	Description
LineSearchFunction(CeresSolver.Evaluator evaluator)

Method Summary

Modifier and Type	Method	Description
java.util.Vector<java.lang.Double>	direction()
double	DirectionInfinityNorm()
void	Evaluate(double x, boolean evaluate_gradient, CeresSolver.FunctionSample output)
void	Init(double[] position, java.util.Vector<java.lang.Double> direction)
void	Init(java.util.Vector<java.lang.Double> position, java.util.Vector<java.lang.Double> direction)
java.util.Vector<java.lang.Double>	position()
void	ResetTimeStatistics()
void	TimeStatistics(double[] cost_evaluation_time_in_seconds, double[] gradient_evaluation_time_in_seconds)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

evaluator_

private CeresSolver.Evaluator evaluator_

position_

private java.util.Vector<java.lang.Double> position_

direction_

private java.util.Vector<java.lang.Double> direction_

scaled_direction_

private java.util.Vector<java.lang.Double> scaled_direction_

initial_evaluator_residual_time_in_seconds

private double initial_evaluator_residual_time_in_seconds

initial_evaluator_jacobian_time_in_seconds

private double initial_evaluator_jacobian_time_in_seconds

Constructor Detail

LineSearchFunction

public LineSearchFunction(CeresSolver.Evaluator evaluator)

Method Detail

Init

public void Init(java.util.Vector<java.lang.Double> position,
                 java.util.Vector<java.lang.Double> direction)

Init

public void Init(double[] position,
                 java.util.Vector<java.lang.Double> direction)

Evaluate

public void Evaluate(double x,
                     boolean evaluate_gradient,
                     CeresSolver.FunctionSample output)

DirectionInfinityNorm

public double DirectionInfinityNorm()

ResetTimeStatistics

public void ResetTimeStatistics()

TimeStatistics

public void TimeStatistics(double[] cost_evaluation_time_in_seconds,
                           double[] gradient_evaluation_time_in_seconds)

position

public java.util.Vector<java.lang.Double> position()

direction

public java.util.Vector<java.lang.Double> direction()