Opus5
Class Complex

java.lang.Object
  |
  +--Opus5.Complex

public class Complex

extends java.lang.Object

A complex number.

Version:

$Id: Complex.java,v 3.2 1998/07/28 01:56:23 brpreiss Exp $

Author:

Bruno R. Preiss, P.Eng.

Constructor Summary

Complex()
Constructs a Complex with the the value zero.

Complex(double x)
Constructs a Complex with the specified real part.

Complex(double x, double y)
Constructs a Complex with the specified real and imaginary parts.

Method Summary

void	assign(Complex c) Assigns the value of the specified complex number to this complex number.
double	getImag() Returns the imaginary part of this complex number.
double	getR() Returns the magnitude of this complex number.
double	getReal() Returns the real part of this complex number.
double	getTheta() Returns the angle of this complex number.
void	setImag(double y) Sets the imaginary part of this complex number to the specified value.
void	setR(double r) Sets the magnitude of this complex number to the specified value.
void	setReal(double x) Sets the real part of this complex number to the specified value.
void	setTheta(double theta) Sets the angle of this complex number to the specified value.
java.lang.String	toString() Returns a string representation of this complex number.

Methods inherited from class java.lang.Object

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

Constructor Detail

Complex

public Complex(double x,
               double y)

Constructs a Complex with the specified real and imaginary parts.

Parameters:

x - The desired real value.

y - The desired imaginary value.

Complex

public Complex()

Constructs a Complex with the the value zero.

Complex

public Complex(double x)

Constructs a Complex with the specified real part.

Parameters:

x - The desired real value.

Method Detail

setReal

public void setReal(double x)

Sets the real part of this complex number to the specified value.

Parameters:

x - The desired real value.

setImag

public void setImag(double y)

Sets the imaginary part of this complex number to the specified value.

Parameters:

y - The desired imaginary value.

getReal

public double getReal()

Returns the real part of this complex number.

Returns:

The real part of this complex number.

getImag

public double getImag()

Returns the imaginary part of this complex number.

Returns:

The imaginary part of this complex number.

getR

public double getR()

Returns the magnitude of this complex number.

Returns:

The magnitude of this complex number.

getTheta

public double getTheta()

Returns the angle of this complex number.

Returns:

the angle of this complex number.

toString

public java.lang.String toString()

Returns a string representation of this complex number.

Overrides:

toString in class java.lang.Object

Returns:

A string representation of this complex number.

setR

public void setR(double r)

Sets the magnitude of this complex number to the specified value.

Parameters:

r - The desired magnitude.

setTheta

public void setTheta(double theta)

Sets the angle of this complex number to the specified value.

Parameters:

theta - The desired angle.

assign

public void assign(Complex c)

Assigns the value of the specified complex number to this complex number.

Parameters:

c - The desired complex value.