Class ComplexNumber

java.lang.Object
  |
  +--ComplexNumber

public class ComplexNumber

extends java.lang.Object

Programm: ComplexCalc
Copyright: 2002 Frank Schubert, Andreas Gohr
License: GPL2 or higher

Info: Complex number calculations

Constructor Summary

ComplexNumber()
dummy constructor (initializes with 0+0i)

ComplexNumber(double re, double im)
constructor

ComplexNumber(java.lang.String str)
constructor #2 uses regular expression for complex number as String

Method Summary

ComplexNumber	add(ComplexNumber i) add two complex numbers result is returned
ComplexNumber	div(ComplexNumber i) divide two complex numbers result is returned Throws exeption on division by Zero
double	getIm() returns imaginary value as double
double	getRe() returns real value as double
ComplexNumber	mul(ComplexNumber i) multiply two complex numbers result is returned
ComplexNumber	sub(ComplexNumber i) subtract two complex numbers result is returned
java.lang.String	toString() returns complex number as rounded String

Methods inherited from class java.lang.Object

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

Constructor Detail

ComplexNumber

public ComplexNumber()

dummy constructor (initializes with 0+0i)

ComplexNumber

public ComplexNumber(double re,
                     double im)

constructor

ComplexNumber

public ComplexNumber(java.lang.String str)

constructor #2 uses regular expression for complex number as String

Method Detail

getRe

public double getRe()

returns real value as double

getIm

public double getIm()

returns imaginary value as double

toString

public java.lang.String toString()

returns complex number as rounded String

Overrides:

toString in class java.lang.Object

add

public ComplexNumber add(ComplexNumber i)

add two complex numbers
result is returned

sub

public ComplexNumber sub(ComplexNumber i)

subtract two complex numbers
result is returned

mul

public ComplexNumber mul(ComplexNumber i)

multiply two complex numbers
result is returned

div

public ComplexNumber div(ComplexNumber i)
                  throws DbZ

divide two complex numbers
result is returned
Throws exeption on division by Zero

DbZ