Class QuadrupleImmutableMath

java.lang.Object

gaiasky.util.math.QuadrupleImmutableMath

public final class QuadrupleImmutableMath
extends Object

Approximates some trigonometric functions using double-precision arithmetics. It also contains the implementation of Object.toString().

Field Summary

Fields

Modifier and Type	Field	Description
static final QuadrupleImmutable	PI
static QuadrupleImmutable	PI_2
static final QuadrupleImmutable	PI_OVER_2

Constructor Summary

Constructors

Constructor	Description
QuadrupleImmutableMath()

Method Summary

Modifier and Type	Method	Description
static QuadrupleImmutable	atan(QuadrupleImmutable x)	High-level arctan for any x: If |x|≤1, directly use series; else use identity atan(x)=sign(x)*(π/2 − atan(1/|x|)).
static QuadrupleImmutable	atan2(QuadrupleImmutable y, QuadrupleImmutable x)	Quadrant-aware atan2: y=opposite, x=adjacent

Methods inherited from class Object

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

Field Details

PI

public static final QuadrupleImmutable PI

PI_2

public static QuadrupleImmutable PI_2

PI_OVER_2

public static final QuadrupleImmutable PI_OVER_2

Constructor Details

QuadrupleImmutableMath

public QuadrupleImmutableMath()

Method Details

atan

public static QuadrupleImmutable atan(QuadrupleImmutable x)

High-level arctan for any x: If |x|≤1, directly use series; else use identity atan(x)=sign(x)*(π/2 − atan(1/|x|)).

atan2

public static QuadrupleImmutable atan2(QuadrupleImmutable y,
 QuadrupleImmutable x)

Quadrant-aware atan2: y=opposite, x=adjacent