vec_math
Class Complex

java.lang.Object
  java.lang.Number
      vec_math.Complex

All Implemented Interfaces:

Serializable

public class Complex
extends Number

A number representing a complex number. All methods that access the number as a primitive data type return the length of the complex number. A complex number always consists of two Doubles, the real part and the imaginary part.

See Also:

Serialized Form

Field Summary

private double	imaginary The imaginary part of the complex.
private double	real The real part of the complex.

Constructor Summary

Complex(double r, double i)
Constructs a new Complex from two primitive doubles, the first is the real part, the second the imaginary part.

Complex(String comp)
Constructs a new Complex from a String.

Method Summary

Complex	add(Complex b) return a new object whose value is (this + b)
Complex	conjugate()
double	doubleValue() Converts the complex to a double.
boolean	equals(Object other) Checks for equality.
float	floatValue() Converts the complex to a float.
double	getImaginary() Returns the imaginary part.
double	getReal() Returns the real part of the complex.
int	intValue() Converts the complex to an integer.
double	length() Returns the length of this complex.
double	lengthSq() Returns the square length of this complex.
long	longValue() Converts the complex to a long.
static void	main(String[] arg) Testing.
Complex	multiply(Complex b) return a new object whose value is (this * b)
Complex	multiply(double alpha) return a new complex stretched by the factor.
Complex	subtract(Complex b) return a new object whose value is (this - b)
double	theta() Returns the theta of this complex.
String	toString() Retunrs the complex as a string.

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

Field Detail

real

private double real

The real part of the complex.

imaginary

private double imaginary

The imaginary part of the complex.

Constructor Detail

Complex

public Complex(String comp)

Constructs a new Complex from a String. The format of the string must be two doubles, separated by the letter 'i', without any whitespaces.

Complex

public Complex(double r,
               double i)

Constructs a new Complex from two primitive doubles, the first is the real part, the second the imaginary part.

Method Detail

intValue

public int intValue()

Converts the complex to an integer. Returns the length of the complex.

Specified by:

intValue in class Number

longValue

public long longValue()

Converts the complex to a long. The rounded length is returned.

Specified by:

longValue in class Number

floatValue

public float floatValue()

Converts the complex to a float. The length is returned.

Specified by:

floatValue in class Number

doubleValue

public double doubleValue()

Converts the complex to a double. The length is returned.

Specified by:

doubleValue in class Number

theta

public double theta()

Returns the theta of this complex.

length

public double length()

Returns the length of this complex.

lengthSq

public double lengthSq()

Returns the square length of this complex.

getReal

public double getReal()

Returns the real part of the complex.

getImaginary

public double getImaginary()

Returns the imaginary part.

add

public Complex add(Complex b)

return a new object whose value is (this + b)

subtract

public Complex subtract(Complex b)

return a new object whose value is (this - b)

multiply

public Complex multiply(Complex b)

return a new object whose value is (this * b)

multiply

public Complex multiply(double alpha)

return a new complex stretched by the factor.

conjugate

public Complex conjugate()

equals

public boolean equals(Object other)

Checks for equality. Two Complex are equal if both, their real and their imaginary parts are equal.

Overrides:

equals in class Object

toString

public String toString()

Retunrs the complex as a string. The string representation can be used in the constructor.

Overrides:

toString in class Object

main

public static void main(String[] arg)

Testing.