Package com.tagtraum.audiokern.math

Class JavaFFT

java.lang.Object

com.tagtraum.audiokern.math.JavaFFT

All Implemented Interfaces:

Transform

public class JavaFFT
extends Object
implements Transform

Default implementation for a Java FFT.

Constructor Summary

Constructors

Constructor	Description
JavaFFT(int numberOfSamples)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	hashCode()
float[][]	inverseTransform(float[] real, float[] imaginary)
String	toString()
void	transform(boolean inverse, float[] realIn, float[] imaginaryIn, float[] realOut, float[] imaginaryOut)	Actual fast Fourier transform implementation.
float[][]	transform(float[] real)
float[][]	transform(float[] real, float[] imaginary)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

JavaFFT

public JavaFFT(int numberOfSamples)

Method Detail

inverseTransform

public float[][] inverseTransform(float[] real,
                                  float[] imaginary)
                           throws UnsupportedOperationException

Specified by:

inverseTransform in interface Transform

Throws:

UnsupportedOperationException

transform

public float[][] transform(float[] real)
                    throws UnsupportedOperationException

Specified by:

transform in interface Transform

Throws:

UnsupportedOperationException

transform

public float[][] transform(float[] real,
                           float[] imaginary)
                    throws UnsupportedOperationException

Specified by:

transform in interface Transform

Throws:

UnsupportedOperationException

transform

public void transform(boolean inverse,
                      float[] realIn,
                      float[] imaginaryIn,
                      float[] realOut,
                      float[] imaginaryOut)

Actual fast Fourier transform implementation.

Parameters:

inverse - inverse or not

realIn - real portion input

imaginaryIn - imaginary in

realOut - real out

imaginaryOut - imaginary out

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object