Package org.moddingx.libx.util.math

Class DoublePolynomial

java.lang.Object

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

org.moddingx.libx.util.math.DoublePolynomial

All Implemented Interfaces:

DoubleFunction<Double>, DoubleUnaryOperator, Function<Double,Double>, UnaryOperator<Double>

public final class DoublePolynomial
extends Polynomial<Double>
implements DoubleUnaryOperator, DoubleFunction<Double>

A polynomial with double coefficients.

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
DoublePolynomial(double... coefficients)	Creates a new polynomial with the given coefficients.

Method Summary

Modifier and Type	Method	Description
DoublePolynomial	add(Polynomial<Double> other)	Adds two polynomials together.
Double	apply(double x)	Computes the value of the polynomial at the given input.
Double	apply(Double x)	Computes the value of the polynomial at the given input.
double	applyAsDouble(double x)	Computes the value of the polynomial at the given input.
List<Double>	coefficients()	Gets the coefficients of this polynomial.
DoublePolynomial	derivative()	Computes the derivative of this polynomial.
boolean	equals(Object obj)
int	hashCode()
DoublePolynomial	integrate()	Integrates this polynomial with constant part 0.
DoublePolynomial	integrate(double constant)	Integrates this polynomial with the given constant part.
DoublePolynomial	multiply(Polynomial<Double> other)	Multiplies two polynomials.
DoublePolynomial	negate()	Negates this polynomial.

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.DoubleUnaryOperator

andThen, compose

Methods inherited from interface java.util.function.Function

andThen, compose

Field Details

CODEC

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

ZERO

public static final DoublePolynomial ZERO

The polynomial that is always zero.

ONE

public static final DoublePolynomial ONE

The polynomial that is always one.

IDENTITY

public static final DoublePolynomial IDENTITY

The identity polynomial.

Constructor Details

DoublePolynomial

public DoublePolynomial(double... coefficients)

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

Method Details

coefficients

public List<Double> 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<Double>

applyAsDouble

public double applyAsDouble(double x)

Computes the value of the polynomial at the given input.

Specified by:

applyAsDouble in interface DoubleUnaryOperator

apply

public Double apply(double x)

Computes the value of the polynomial at the given input.

Specified by:

apply in interface DoubleFunction<Double>

apply

public Double apply(Double x)

Computes the value of the polynomial at the given input.

Specified by:

apply in interface Function<Double,Double>

derivative

public DoublePolynomial derivative()

Description copied from class: Polynomial

Computes the derivative of this polynomial.

Specified by:

derivative in class Polynomial<Double>

integrate

public DoublePolynomial integrate()

Integrates this polynomial with constant part 0.

integrate

public DoublePolynomial integrate(double constant)

Integrates this polynomial with the given constant part.

negate

public DoublePolynomial negate()

Description copied from class: Polynomial

Negates this polynomial.

Specified by:

negate in class Polynomial<Double>

add

public DoublePolynomial add(Polynomial<Double> other)

Description copied from class: Polynomial

Adds two polynomials together.

Specified by:

add in class Polynomial<Double>

multiply

public DoublePolynomial multiply(Polynomial<Double> other)

Description copied from class: Polynomial

Multiplies two polynomials.

Specified by:

multiply in class Polynomial<Double>

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object