DQuaternion

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gnu.math

Class DQuaternion

java.lang.Object
- java.lang.Number
- - gnu.math.Numeric
  - - gnu.math.Quantity
    - - gnu.math.Quaternion
      - gnu.math.DQuaternion

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable
```
public class DQuaternion
extends Quaternion
implements java.io.Externalizable
```
A quaternion number using plain double values.

See Also:

Serialized Form

Field Summary
- Fields inherited from class gnu.math.Numeric
  CEILING, FLOOR, NONNEG_MOD, ROUND, TRUNCATE

Constructor Summary

Constructors
Constructor and Description

DQuaternion ()

DQuaternion (double real, double imag, double jmag, double kmag)

Constructors
Constructor and Description
`DQuaternion ()`
`DQuaternion (double real, double imag, double jmag, double kmag)`

Method Summary

All Methods
Modifier and Type	Method and Description
`Numeric`	`add (java.lang.Object y, int k)` Return this + k * obj.
`static Quaternion`	`cos (double x_re, double x_im, double x_jm, double x_km)`
`static Quaternion`	`div (double x_re, double x_im, double x_jm, double x_km, double y_re, double y_im, double y_jm, double y_km)`
`Numeric`	`div (java.lang.Object y)`
`double`	`doubleImagValue ()` The value of the imaginary component, as a double.
`double`	`doubleJmagValue ()` The value of the "j" component, as a double.
`double`	`doubleKmagValue ()` The value of the "k" component, as a double.
`double`	`doubleValue ()` The value of the real component, as a double.
`boolean`	`equals (java.lang.Object obj)`
`static Quaternion`	`exp (double x_re, double x_im, double x_jm, double x_km)`
`static double`	`hypot3 (double x, double y, double z)`
`static double`	`hypot4 (double w, double x, double y, double z)`
`RealNum`	`im ()` The value of the imaginary component, as a RealNum.
`boolean`	`isExact ()`
`RealNum`	`jm ()` The value of the "j" component, as a RealNum.
`RealNum`	`km ()` The value of the "k" component, as a RealNum.
`static Quaternion`	`log (double x_re, double x_im, double x_jm, double x_km)`
`Numeric`	`mul (java.lang.Object y)`
`Numeric`	`neg ()`
`static Quaternion`	`power (double x_re, double x_im, double x_jm, double x_km, double y_re, double y_im, double y_jm, double y_km)`
`RealNum`	`re ()` The value of the real component, as a RealNum.
`void`	`readExternal (java.io.ObjectInput in)`
`static Quaternion`	`sin (double x_re, double x_im, double x_jm, double x_km)`
`static Quaternion`	`sqrt (double x_re, double x_im, double x_jm, double x_km)`
`static Quaternion`	`tan (double x_re, double x_im, double x_jm, double x_km)`
`Quaternion`	`toExact ()`
`java.lang.String`	`toString ()`
`java.lang.String`	`toString (int radix)`
`void`	`writeExternal (java.io.ObjectOutput out)`

Methods inherited from class gnu.math.Quaternion
abs, add, addReversed, angle, classifyFinite, colatitude, compare, compare, complexPart, conjugate, cos, divide, divReversed, doubleRealValue, equals, exp, isZero, jmMinusOne, jmOne, kmMinusOne, kmOne, log, longitude, longValue, make, make, mulReversed, neg, number, polar, polar, power, sin, sqrt, tan, times, toInexact, unitQuaternion, unitVector, vectorPart

Methods inherited from class gnu.math.Quantity
add, compare, compareReversed, dimensions, divide, imValue, jmValue, kmValue, make, make, make, reValue, times, unit

Methods inherited from class gnu.math.Numeric
add, asNumericOrNull, div_inv, floatValue, geq, grt, intValue, mul_ident, power, sub

Methods inherited from class java.lang.Number
byteValue, shortValue

Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - DQuaternion
```
public DQuaternion()
```
  - DQuaternion
```
public DQuaternion(double real,
 double imag,
 double jmag,
 double kmag)
```
- Method Detail
  - re
```
public RealNum re()
```
    Description copied from class: Quantity
    
    The value of the real component, as a RealNum. The unit() is not factored in, so you actually need to multiply by unit() to get the true real component.
    
    Overrides:
    
    re in class Quantity
  - doubleValue
```
public double doubleValue()
```
    Description copied from class: Quantity
    
    The value of the real component, as a double. This is relative to the unit().dims - i.e. unit()/doubleValue() is factored in.
    
    Overrides:
    
    doubleValue in class Quaternion
  - im
```
public RealNum im()
```
    Description copied from class: Quantity
    
    The value of the imaginary component, as a RealNum. The unit() is not factored in, so you actually need to multiply by unit() to get the true imaginary component.
    
    Overrides:
    
    im in class Quantity
  - doubleImagValue
```
public double doubleImagValue()
```
    Description copied from class: Quantity
    
    The value of the imaginary component, as a double. This is relative to the unit().dims - i.e. unit()/doubleValue() is factored in.
    
    Overrides:
    
    doubleImagValue in class Quaternion
  - jm
```
public RealNum jm()
```
    Description copied from class: Quantity
    
    The value of the "j" component, as a RealNum. The unit() is not factored in, so you actually need to multiply by unit() to get the true "j" component.
    
    Overrides:
    
    jm in class Quantity
  - doubleJmagValue
```
public double doubleJmagValue()
```
    Description copied from class: Quantity
    
    The value of the "j" component, as a double. This is relative to the unit().dims - i.e. unit()/doubleValue() is factored in.
    
    Overrides:
    
    doubleJmagValue in class Quaternion
  - km
```
public RealNum km()
```
    Description copied from class: Quantity
    
    The value of the "k" component, as a RealNum. The unit() is not factored in, so you actually need to multiply by unit() to get the true "k" component.
    
    Overrides:
    
    km in class Quantity
  - doubleKmagValue
```
public double doubleKmagValue()
```
    Description copied from class: Quantity
    
    The value of the "k" component, as a double. This is relative to the unit().dims - i.e. unit()/doubleValue() is factored in.
    
    Overrides:
    
    doubleKmagValue in class Quaternion
  - isExact
```
public boolean isExact()
```
    Overrides:
    
    isExact in class Quaternion
  - toExact
```
public Quaternion toExact()
```
    Overrides:
    
    toExact in class Quaternion
  - equals
```
public boolean equals(java.lang.Object obj)
```
    Overrides:
    
    equals in class Quaternion
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class Numeric
  - toString
```
public java.lang.String toString(int radix)
```
    Overrides:
    
    toString in class Quaternion
  - neg
```
public final Numeric neg()
```
    Overrides:
    
    neg in class Quaternion
  - add
```
public Numeric add(java.lang.Object y,
 int k)
```
    Description copied from class: Numeric
    
    Return this + k * obj.
    
    Overrides:
    
    add in class Quaternion
  - mul
```
public Numeric mul(java.lang.Object y)
```
    Overrides:
    
    mul in class Quaternion
  - div
```
public Numeric div(java.lang.Object y)
```
    Overrides:
    
    div in class Quaternion
  - hypot4
```
public static double hypot4(double w,
 double x,
 double y,
 double z)
```
  - hypot3
```
public static double hypot3(double x,
 double y,
 double z)
```
  - power
```
public static Quaternion power(double x_re,
 double x_im,
 double x_jm,
 double x_km,
 double y_re,
 double y_im,
 double y_jm,
 double y_km)
```
  - exp
```
public static Quaternion exp(double x_re,
 double x_im,
 double x_jm,
 double x_km)
```
  - log
```
public static Quaternion log(double x_re,
 double x_im,
 double x_jm,
 double x_km)
```
  - div
```
public static Quaternion div(double x_re,
 double x_im,
 double x_jm,
 double x_km,
 double y_re,
 double y_im,
 double y_jm,
 double y_km)
```
  - sqrt
```
public static Quaternion sqrt(double x_re,
 double x_im,
 double x_jm,
 double x_km)
```
  - sin
```
public static Quaternion sin(double x_re,
 double x_im,
 double x_jm,
 double x_km)
```
  - cos
```
public static Quaternion cos(double x_re,
 double x_im,
 double x_jm,
 double x_km)
```
  - tan
```
public static Quaternion tan(double x_re,
 double x_im,
 double x_jm,
 double x_km)
```
  - writeExternal
```
public void writeExternal(java.io.ObjectOutput out)
 throws java.io.IOException
```
    Specified by:
    
    writeExternal in interface java.io.Externalizable
    
    Throws:
    
    java.io.IOException
  - readExternal
```
public void readExternal(java.io.ObjectInput in)
 throws java.io.IOException,
 java.lang.ClassNotFoundException
```
    Specified by:
    
    readExternal in interface java.io.Externalizable
    
    Throws:
    
    java.io.IOException
    
    java.lang.ClassNotFoundException

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Summary:
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Field |
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Detail:
Field |
Constr |
Method

Class DQuaternion

Field Summary

Fields inherited from class gnu.math.Numeric

Constructor Summary

Method Summary

Methods inherited from class gnu.math.Quaternion

Methods inherited from class gnu.math.Quantity

Methods inherited from class gnu.math.Numeric

Methods inherited from class java.lang.Number

Methods inherited from class java.lang.Object

Constructor Detail

DQuaternion

DQuaternion

Method Detail

re

doubleValue

im

doubleImagValue

jm

doubleJmagValue

km

doubleKmagValue

isExact

toExact

equals

toString

toString

neg

add

mul

div

hypot4

hypot3

power

exp

log

div

sqrt

sin

cos

tan

writeExternal

readExternal