jmathlib.toolbox.jmathlib.matrix._private.Jampack
Class Z1

java.lang.Object
  jmathlib.toolbox.jmathlib.matrix._private.Jampack.Z1

public class Z1
extends java.lang.Object

Z1 implements a one-dimensional array of complex numbers as a two arrays of type double. The addressing is zero based. It is necessary to provided one-dimensional complex arrays whose real and imaginary parts are contiguous in storage.

Version:

Pre-alpha

Author:

G. W. Stewart

Field Summary

protected double[]	im
protected int	n
protected double[]	re

Constructor Summary

Z1(int n)
Creates a Z1 initializes to zero.

Method Summary

Z	get(int i) Returns the ith element of a Z1 as a Z.
void	put(int i, double real, double imag) Sets the real and imaginary parts of the ith element of a Z1.
void	put(int i, Z z) Sets the ith element of a Z1 to a Z.
void	Times(int i, Z z) Multiplies the ith element of a Z1 by a Z.

Methods inherited from class java.lang.Object

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

Field Detail

n

protected int n

re

protected double[] re

im

protected double[] im

Constructor Detail

Z1

public Z1(int n)
   throws JampackException

Creates a Z1 initializes to zero.

Parameters:

n - a positive integer

Throws:

JampackException - Thrown if n<=0.

Method Detail

get

public Z get(int i)

Returns the ith element of a Z1 as a Z.

Parameters:

i - an integer

Returns:

The ith elemeent of this Z1

put

public void put(int i,
                Z z)

Sets the ith element of a Z1 to a Z.

Parameters:

i - an integer

z - a Z

put

public void put(int i,
                double real,
                double imag)

Sets the real and imaginary parts of the ith element of a Z1.

Parameters:

i - an integer

real - a double

imag - a double

Times

public void Times(int i,
                  Z z)

Multiplies the ith element of a Z1 by a Z.

Parameters:

i - an integer

z - a Z