fuzzydl

Class DegreeExpression

java.lang.Object

fuzzydl.Degree

fuzzydl.DegreeExpression

public class DegreeExpression
extends Degree

Degree defined using an expression.

Author:

Fernando Bobillo

Field Summary

Fields inherited from class fuzzydl.Degree

ONE

Constructor Summary

Constructors

Constructor and Description
DegreeExpression(Expression expr)

Method Summary

Modifier and Type	Method and Description
Expression	addToExpression(Expression expr) Adds the degree to an expression.
Inequation	createInequalityWithDegreeRHS(Expression expr, char inequationType) Gets an inequality of the form (expression, type, degree).
boolean	equals(Degree d) Checks if two degrees are equal.
Expression	getExpression() Gets the expression which defines the degree.
boolean	isNumberNotOne() Checks if the degree is a number different than 1.0.
boolean	isNumberZero() Checks if the degree is number 0.0.
boolean	isNumeric() Checks if the object is a numeric degree.
Expression	multiplyConstant(java.lang.Double constant) Multiplies the degree and a real number.
Expression	subtractFromExpression(Expression expr) Subtracts the degree to an expression.
java.lang.String	toString() Gets the name of the degree.

Methods inherited from class fuzzydl.Degree

getDegree, getDegree, getDegree

Methods inherited from class java.lang.Object

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

Constructor Detail

DegreeExpression

public DegreeExpression(Expression expr)

Method Detail

getExpression

public Expression getExpression()

Gets the expression which defines the degree.

Returns:

Expression which defines the degree.

createInequalityWithDegreeRHS

public Inequation createInequalityWithDegreeRHS(Expression expr,
                                                char inequationType)

Description copied from class: Degree

Gets an inequality of the form (expression, type, degree).

Specified by:

createInequalityWithDegreeRHS in class Degree

Parameters:

expr - An expression.

inequationType - A type of inequality.

Returns:

An inequality of the form (expression, type, degree).

toString

public java.lang.String toString()

Description copied from class: Degree

Gets the name of the degree.

Specified by:

toString in class Degree

Returns:

Name of the degree.

isNumeric

public boolean isNumeric()

Description copied from class: Degree

Checks if the object is a numeric degree.

Specified by:

isNumeric in class Degree

Returns:

true if the object is a numeric degree; false otherwise.

addToExpression

public Expression addToExpression(Expression expr)

Description copied from class: Degree

Adds the degree to an expression.

Specified by:

addToExpression in class Degree

Parameters:

expr - An expression.

Returns:

A new expression with the sum.

subtractFromExpression

public Expression subtractFromExpression(Expression expr)

Description copied from class: Degree

Subtracts the degree to an expression.

Specified by:

subtractFromExpression in class Degree

Parameters:

expr - An expression.

Returns:

A new expression with the subtraction expr - this.

multiplyConstant

public Expression multiplyConstant(java.lang.Double constant)

Description copied from class: Degree

Multiplies the degree and a real number.

Specified by:

multiplyConstant in class Degree

Parameters:

constant - A real number.

Returns:

A new expression with the product.

equals

public boolean equals(Degree d)

Description copied from class: Degree

Checks if two degrees are equal.

Specified by:

equals in class Degree

Parameters:

d - A degree.

Returns:

true if the degrees are equal; false otherwise.

isNumberNotOne

public boolean isNumberNotOne()

Description copied from class: Degree

Checks if the degree is a number different than 1.0.

Returns:

true if the degree is a number different than 1.0; false otherwise.

isNumberZero

public boolean isNumberZero()

Description copied from class: Degree

Checks if the degree is number 0.0.

Returns:

true if the degree is 0.0; false otherwise.