ru.sscc.util.data
Class DoublePointer

java.lang.Object
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  +--ru.sscc.util.data.RealPointer
        |
        +--ru.sscc.util.data.DoublePointer

public final class DoublePointer

extends RealPointer

An implementation of RealPointer based on double[] type container.

Fields inherited from class ru.sscc.util.data.RealPointer

index, step

Constructor Summary

DoublePointer(double[] data)
Simple constructor (sets the pointer to the beginning of a data container with a unit increment).

DoublePointer(double[] data, int index, int step)
General constructor.

Method Summary

double	add(double value) Adds a value to the entry at the current pointer position.
double	get() Gets an entry value at the current pointer position.
double	mul(double value) Multiplies the entry at the current pointer position by a value.
double	set(double value) Sets an entry value at the current pointer position.

Methods inherited from class ru.sscc.util.data.RealPointer

by, clone, invert, next, previous, reset, restore, save, shift

Methods inherited from class java.lang.Object

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

Constructor Detail

DoublePointer

public DoublePointer(double[] data)

Simple constructor (sets the pointer to the beginning of a data container with a unit increment).

Parameters:

data - a data container

DoublePointer

public DoublePointer(double[] data,
                     int index,
                     int step)

General constructor.

Parameters:

data - a data container

index - a starting index in the container

step - an increment step

Method Detail

get

public double get()

Gets an entry value at the current pointer position.

Overrides:

get in class RealPointer

Returns:

value of the current entry

set

public double set(double value)

Sets an entry value at the current pointer position.

Overrides:

set in class RealPointer

Parameters:

value - a value to set

Returns:

the set value

add

public double add(double value)

Adds a value to the entry at the current pointer position.

Overrides:

add in class RealPointer

Parameters:

value - a value to add

Returns:

the result of addition

mul

public double mul(double value)

Multiplies the entry at the current pointer position by a value.

Overrides:

mul in class RealPointer

Parameters:

value - a value to multiply

Returns:

the result of multiplication