cc.redberry.core.transformations.expand

Class ExpandTransformation

java.lang.Object

cc.redberry.core.transformations.expand.ExpandTransformation

All Implemented Interfaces:

Transformation

public final class ExpandTransformation
extends java.lang.Object

Expands out products and positive integer powers in tensor.

Since:

1.0

Nested Class Summary

Nested classes/interfaces inherited from interface cc.redberry.core.transformations.Transformation

Transformation.Util

Field Summary

Fields

Modifier and Type	Field and Description
static TraverseGuide	DefaultExpandTraverseGuide
static ExpandTransformation	EXPAND The default instance.

Fields inherited from interface cc.redberry.core.transformations.Transformation

INDENTITY

Constructor Summary

Constructors

Constructor and Description
ExpandTransformation(Transformation... transformations) Creates expand transformation with specified additional transformations to be applied after each step of expand.
ExpandTransformation(Transformation[] transformations, TraverseGuide traverseGuide) Creates expand transformation with specified additional transformations to be applied after each step of expand and leaves unexpanded parts of expression specified by traverseGuide.

Method Summary

Modifier and Type	Method and Description
static Tensor	expand(Tensor tensor) Expands out products and positive integer powers in tensor.
static Tensor	expand(Tensor tensor, Transformation... transformations) Expands out products and positive integer powers in tensor and applies specified transformations after each step of expand.
Tensor	transform(Tensor tensor) Transforms specified tensor and returns the result.

Methods inherited from class java.lang.Object

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

Field Detail

EXPAND

public static final ExpandTransformation EXPAND

The default instance.

DefaultExpandTraverseGuide

public static TraverseGuide DefaultExpandTraverseGuide

Constructor Detail

ExpandTransformation

public ExpandTransformation(Transformation... transformations)

Creates expand transformation with specified additional transformations to be applied after each step of expand.

Parameters:

transformations - transformations to be applied after each step of expand

ExpandTransformation

public ExpandTransformation(Transformation[] transformations,
                            TraverseGuide traverseGuide)

Creates expand transformation with specified additional transformations to be applied after each step of expand and leaves unexpanded parts of expression specified by traverseGuide.

Parameters:

transformations - transformations to be applied after each step of expand

traverseGuide - traverse guide

Method Detail

expand

public static Tensor expand(Tensor tensor)

Expands out products and positive integer powers in tensor.

Parameters:

tensor - tensor

Returns:

result

expand

public static Tensor expand(Tensor tensor,
                            Transformation... transformations)

Expands out products and positive integer powers in tensor and applies specified transformations after each step of expand.

Parameters:

tensor - tensor

transformations - to be applied after each step of expand

Returns:

result

transform

public Tensor transform(Tensor tensor)

Description copied from interface: Transformation

Transforms specified tensor and returns the result.

Specified by:

transform in interface Transformation

Parameters:

tensor - tensor

Returns:

transformed tensor