RealFFT Class Reference

class RealFFT controls fftw plans and executes fwd/inv transforms More...

#include <RealFFT.H>

Collaboration diagram for RealFFT:

Public Member Functions
	RealFFT (void)
	fft init ... don't forget to associate data using switchData More...
	RealFFT (RealFFTData *d)
virtual	~RealFFT (void)
	fft deconstructor More...
void	switchData (RealFFTData *d)
	Use this to change associated fft data (for fft'ing) More...
void	switchData (RealFFTData &d)
	Use this to change associated fft data (for fft'ing) More...
void	fwdTransform ()
	Forward transform the data (in to out) More...
void	invTransform ()
	Inverse transform the data (out to in) More...

Protected Attributes
RealFFTData *	data
	The pointer to the relevant data. More...

Private Member Functions
void	createPlan (void)
	Method to create the plans. More...
void	destroyPlan (void)
	Method to destroy the plans. More...

Private Attributes
fftw_plan	fwdPlan
	The fwd/inv plans. More...
fftw_plan	invPlan

Detailed Description

class RealFFT controls fftw plans and executes fwd/inv transforms

Examples:

AudioMaskerExample.C, and RealFFTExample.C.

Definition at line 24 of file RealFFT.H.

Constructor & Destructor Documentation

RealFFT() [1/2]

RealFFT::RealFFT

(

void

)

fft init ... don't forget to associate data using switchData

Definition at line 34 of file RealFFT.C.

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RealFFT() [2/2]

RealFFT::RealFFT

(

RealFFTData *

d

)

fft init ... data pointed to by 'd'

Parameters

d	The data to use.,

Definition at line 39 of file RealFFT.C.

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~RealFFT()

RealFFT::~RealFFT ( void  )

virtual

fft deconstructor

Definition at line 45 of file RealFFT.C.

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Member Function Documentation

createPlan()

void RealFFT::createPlan ( void  )

private

Method to create the plans.

Definition at line 19 of file RealFFT.C.

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destroyPlan()

void RealFFT::destroyPlan ( void  )

private

Method to destroy the plans.

Definition at line 27 of file RealFFT.C.

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fwdTransform()

void RealFFT::fwdTransform

(

)

Forward transform the data (in to out)

Examples:

AudioMaskerExample.C, and RealFFTExample.C.

Definition at line 59 of file RealFFT.C.

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invTransform()

void RealFFT::invTransform

(

)

Inverse transform the data (out to in)

Examples:

RealFFTExample.C.

Definition at line 66 of file RealFFT.C.

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switchData() [1/2]

void RealFFT::switchData

(

RealFFTData *

d

)

Use this to change associated fft data (for fft'ing)

Definition at line 49 of file RealFFT.C.

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switchData() [2/2]

void RealFFT::switchData

(

RealFFTData &

d

)

Use this to change associated fft data (for fft'ing)

Definition at line 55 of file RealFFT.C.

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Member Data Documentation

data

RealFFTData* RealFFT::data

protected

The pointer to the relevant data.

Definition at line 36 of file RealFFT.H.

fwdPlan

fftw_plan RealFFT::fwdPlan

private

The fwd/inv plans.

Definition at line 26 of file RealFFT.H.

invPlan

fftw_plan RealFFT::invPlan

private

Definition at line 26 of file RealFFT.H.

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The documentation for this class was generated from the following files:

• /tmp/gtkiostream/include/fft/RealFFT.H
• /tmp/gtkiostream/src/RealFFT.C