org.matheclipse.core.polynomials

Class ExprPolynomialComparator

java.lang.Object

org.matheclipse.core.polynomials.ExprPolynomialComparator

All Implemented Interfaces:

java.io.Serializable, java.util.Comparator<ExprPolynomial>

public class ExprPolynomialComparator
extends java.lang.Object
implements java.io.Serializable, java.util.Comparator<ExprPolynomial>

Comparator for polynomials.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
boolean	reverse
ExprTermOrder	tord

Constructor Summary

Constructors

Constructor and Description
ExprPolynomialComparator(ExprTermOrder t, boolean reverse) Constructor.

Method Summary

Modifier and Type	Method and Description
int	compare(ExprPolynomial p1, ExprPolynomial p2) Compare polynomials.
boolean	equals(java.lang.Object o) Equals test of comparator.
int	hashCode() Hash code for this PolynomialComparator.
java.lang.String	toString() toString.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Detail

tord

public final ExprTermOrder tord

reverse

public final boolean reverse

Constructor Detail

ExprPolynomialComparator

public ExprPolynomialComparator(ExprTermOrder t,
                                boolean reverse)

Constructor.

Parameters:

t - TermOrder.

reverse - flag if reverse ordering is requested.

Method Detail

compare

public int compare(ExprPolynomial p1,
                   ExprPolynomial p2)

Compare polynomials.

Specified by:

compare in interface java.util.Comparator<ExprPolynomial>

Parameters:

p1 - first polynomial.

p2 - second polynomial.

Returns:

0 if ( p1 == p2 ), -1 if ( p1 < p2 ) and +1 if ( p1 > p2 ).

equals

public boolean equals(java.lang.Object o)

Equals test of comparator.

Specified by:

equals in interface java.util.Comparator<ExprPolynomial>

Overrides:

equals in class java.lang.Object

Parameters:

o - other object.

Returns:

true if this = o, else false.

hashCode

public int hashCode()

Hash code for this PolynomialComparator.

Overrides:

hashCode in class java.lang.Object

See Also:

Object.hashCode()

toString

public java.lang.String toString()

toString.

Overrides:

toString in class java.lang.Object