Package org.moddingx.libx.util.math

Class IntPolynomial

java.lang.Object

org.moddingx.libx.util.math.Polynomial<Integer>

org.moddingx.libx.util.math.IntPolynomial

All Implemented Interfaces:

Function<Integer,Integer>, IntFunction<Integer>, IntUnaryOperator, UnaryOperator<Integer>

public final class IntPolynomial
extends Polynomial<Integer>
implements IntUnaryOperator, IntFunction<Integer>

A polynomial with integer coefficients.

Field Summary

Fields

Modifier and Type	Field	Description
static final com.mojang.serialization.Codec<IntPolynomial>	CODEC
static final IntPolynomial	IDENTITY	The identity polynomial.
static final IntPolynomial	ONE	The polynomial that is always one.
static final IntPolynomial	ZERO	The polynomial that is always zero.

Constructor Summary

Constructors

Constructor	Description
IntPolynomial(int... coefficients)	Creates a new polynomial with the given coefficients.

Method Summary

Modifier and Type	Method	Description
IntPolynomial	add(Polynomial<Integer> other)	Adds two polynomials together.
Integer	apply(int x)	Computes the value of the polynomial at the given input.
Integer	apply(Integer x)	Computes the value of the polynomial at the given input.
int	applyAsInt(int x)	Computes the value of the polynomial at the given input.
List<Integer>	coefficients()	Gets the coefficients of this polynomial.
IntPolynomial	derivative()	Computes the derivative of this polynomial.
boolean	equals(Object obj)
int	hashCode()
IntPolynomial	multiply(Polynomial<Integer> other)	Multiplies two polynomials.
IntPolynomial	negate()	Negates this polynomial.
DoublePolynomial	toDouble()	Converts this polynomial to a DoublePolynomial.

Methods inherited from class org.moddingx.libx.util.math.Polynomial

subtract, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Function

andThen, compose

Methods inherited from interface java.util.function.IntUnaryOperator

andThen, compose

Field Details

CODEC

public static final com.mojang.serialization.Codec<IntPolynomial> CODEC

ZERO

public static final IntPolynomial ZERO

The polynomial that is always zero.

ONE

public static final IntPolynomial ONE

The polynomial that is always one.

IDENTITY

public static final IntPolynomial IDENTITY

The identity polynomial.

Constructor Details

IntPolynomial

public IntPolynomial(int... coefficients)

Creates a new polynomial with the given coefficients. new IntPolynomial(2,0,1) gives for example the polynomial 2x²+1.

Method Details

coefficients

public List<Integer> coefficients()

Description copied from class: Polynomial

Gets the coefficients of this polynomial. For example, the coefficients [2, 0 1] represent the polynomial 2x²+1.

Specified by:

coefficients in class Polynomial<Integer>

applyAsInt

public int applyAsInt(int x)

Computes the value of the polynomial at the given input.

Specified by:

applyAsInt in interface IntUnaryOperator

apply

public Integer apply(int x)

Computes the value of the polynomial at the given input.

Specified by:

apply in interface IntFunction<Integer>

apply

public Integer apply(Integer x)

Computes the value of the polynomial at the given input.

Specified by:

apply in interface Function<Integer,Integer>

derivative

public IntPolynomial derivative()

Description copied from class: Polynomial

Computes the derivative of this polynomial.

Specified by:

derivative in class Polynomial<Integer>

negate

public IntPolynomial negate()

Description copied from class: Polynomial

Negates this polynomial.

Specified by:

negate in class Polynomial<Integer>

add

public IntPolynomial add(Polynomial<Integer> other)

Description copied from class: Polynomial

Adds two polynomials together.

Specified by:

add in class Polynomial<Integer>

multiply

public IntPolynomial multiply(Polynomial<Integer> other)

Description copied from class: Polynomial

Multiplies two polynomials.

Specified by:

multiply in class Polynomial<Integer>

toDouble

public DoublePolynomial toDouble()

Converts this polynomial to a DoublePolynomial.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object