Class BesselHelper

java.lang.Object

org.apfloat.BesselHelper

class BesselHelper
extends Object

Helper class for Bessel functions.

Since:

1.13.0

Version:

1.14.0

Field Summary

Fields

Modifier and Type	Field	Description
private int	radix
private long	targetPrecision
private Apint	two
private long	workingPrecision
private Apcomplex	z
private Apcomplex	ν

Constructor Summary

Constructors

Modifier	Constructor	Description
private	BesselHelper(Apcomplex ν, Apcomplex z)	Helper for Bessel functions.

Method Summary

Modifier and Type	Method	Description
private Apcomplex	besselFirstKind(Apcomplex ν, boolean negate)
private Apcomplex	besselI()
private Apcomplex	besselI(Apcomplex ν)
static Apcomplex	besselI(Apcomplex ν, Apcomplex z)
private Apcomplex	besselJ()
private Apcomplex	besselJ(Apcomplex ν)
static Apcomplex	besselJ(Apcomplex ν, Apcomplex z)
private Apcomplex	besselK()
static Apcomplex	besselK(Apcomplex ν, Apcomplex z)
private Apcomplex	besselSecondKind(BiFunction<Apcomplex, Apcomplex, Apcomplex> f)
private Apcomplex	besselY()
static Apcomplex	besselY(Apcomplex ν, Apcomplex z)
private Apcomplex	ensurePrecision(Apcomplex z)
private Apfloat	offset(long scale)

Methods inherited from class Object

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

Field Details

targetPrecision

private long targetPrecision

workingPrecision

private long workingPrecision

radix

private int radix

ν

private Apcomplex ν

z

private Apcomplex z

two

private Apint two

Constructor Details

BesselHelper

private BesselHelper(Apcomplex ν,
 Apcomplex z)

Helper for Bessel functions.

Parameters:

ν - The first argument.

z - The second argument.

Method Details

besselJ

public static Apcomplex besselJ(Apcomplex ν,
 Apcomplex z)
                         throws ArithmeticException,
ApfloatRuntimeException

Throws:

ArithmeticException

ApfloatRuntimeException

besselI

public static Apcomplex besselI(Apcomplex ν,
 Apcomplex z)
                         throws ArithmeticException,
ApfloatRuntimeException

Throws:

ArithmeticException

ApfloatRuntimeException

besselY

public static Apcomplex besselY(Apcomplex ν,
 Apcomplex z)
                         throws ArithmeticException,
ApfloatRuntimeException

Throws:

ArithmeticException

ApfloatRuntimeException

besselK

public static Apcomplex besselK(Apcomplex ν,
 Apcomplex z)
                         throws ArithmeticException,
ApfloatRuntimeException

Throws:

ArithmeticException

ApfloatRuntimeException

besselJ

private Apcomplex besselJ()
                   throws ArithmeticException,
ApfloatRuntimeException

Throws:

ArithmeticException

ApfloatRuntimeException

besselI

private Apcomplex besselI()
                   throws ArithmeticException,
ApfloatRuntimeException

Throws:

ArithmeticException

ApfloatRuntimeException

besselJ

private Apcomplex besselJ(Apcomplex ν)
                   throws ArithmeticException,
ApfloatRuntimeException

Throws:

ArithmeticException

ApfloatRuntimeException

besselI

private Apcomplex besselI(Apcomplex ν)
                   throws ArithmeticException,
ApfloatRuntimeException

Throws:

ArithmeticException

ApfloatRuntimeException

besselFirstKind

private Apcomplex besselFirstKind(Apcomplex ν,
 boolean negate)
                           throws ArithmeticException,
ApfloatRuntimeException

Throws:

ArithmeticException

ApfloatRuntimeException

besselY

private Apcomplex besselY()
                   throws ArithmeticException,
ApfloatRuntimeException

Throws:

ArithmeticException

ApfloatRuntimeException

besselK

private Apcomplex besselK()
                   throws ArithmeticException,
ApfloatRuntimeException

Throws:

ArithmeticException

ApfloatRuntimeException

besselSecondKind

private Apcomplex besselSecondKind(BiFunction<Apcomplex, Apcomplex, Apcomplex> f)
                            throws ArithmeticException,
ApfloatRuntimeException

Throws:

ArithmeticException

ApfloatRuntimeException

offset

private Apfloat offset(long scale)

ensurePrecision

private Apcomplex ensurePrecision(Apcomplex z)