org.encog.app.quant.util

Class BarBuffer

java.lang.Object

org.encog.app.quant.util.BarBuffer

public class BarBuffer
extends java.lang.Object

A buffer of bar segments.

Constructor Summary

Constructors

Constructor and Description
BarBuffer(int thePeriods) Construct the object.

Method Summary

Modifier and Type	Method and Description
void	add(double d) Add a bar.
void	add(double[] d) Add a bar.
double	average(int idx) Average all of the bars.
double	averageGain(int idx) Get the average gain.
double	averageLoss(int idx) Get the average loss.
java.util.List<double[]>	getData()
boolean	getFull() Determine if the buffer is full.
double	max(int idx) Get the max for the specified index.
double	min(int idx) Get the min for the specified index.
double[]	pop() Pop (and remove) the oldest bar in the buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

BarBuffer

public BarBuffer(int thePeriods)

Construct the object.

Parameters:

thePeriods - The number of periods.

Method Detail

add

public final void add(double d)

Add a bar.

Parameters:

d - The bar data.

add

public final void add(double[] d)

Add a bar.

Parameters:

d - The bar data.

average

public final double average(int idx)

Average all of the bars.

Parameters:

idx - The bar index to average.

Returns:

The average.

averageGain

public final double averageGain(int idx)

Get the average gain.

Parameters:

idx - The field to get the average gain for.

Returns:

The average gain.

averageLoss

public final double averageLoss(int idx)

Get the average loss.

Parameters:

idx - The index to check for.

Returns:

The average loss.

getData

public final java.util.List<double[]> getData()

Returns:

The data.

getFull

public final boolean getFull()

Determine if the buffer is full.

Returns:

True if the buffer is full.

max

public final double max(int idx)

Get the max for the specified index.

Parameters:

idx - The index to check.

Returns:

The max.

min

public final double min(int idx)

Get the min for the specified index.

Parameters:

idx - The index to check.

Returns:

The min.

pop

public final double[] pop()

Pop (and remove) the oldest bar in the buffer.

Returns:

The oldest bar in the buffer.