ComplexFFTData Class Reference

class ComplexFFTData controls and manipulates complex fft data More...

#include <ComplexFFTData.H>

Public Member Functions
	ComplexFFTData (int sz)
	Constructor with all memory to be allocated internally. More...
	~ComplexFFTData (void)
	Deconstructor. More...
void	switchData (ComplexFFTData *d)
	Use this to change associated fft data (for fft'ing) More...
int	limitHalfPowerSpec (double lim)
	Limits the maximum to 'lim' and returns the last fft bin with max. More...
int	getSize ()
	Returns the number of elements in the input and output arrays. More...
int	compPowerSpec ()
	This function computes the power spectrum and returns the max bin. More...
int	sqrtPowerSpec ()
	This function computes the square root of the power spectrum and returns the max bin. More...

Public Attributes
int	size
	Specifies the size of the data array. More...
fftw_complex *	in
	the input and output arrays More...
fftw_complex *	out
fftw_real *	power_spectrum
	the power_spectrum array More...
double	totalPower
	The total power (summed) of the power spectrum as used in the method compPowerSpec. More...
int	minPowerBin
	Specifies the minimum and maximum power bins as used in the methods findMaxMinPowerBins and compPowerSpec. More...
int	maxPowerBin

Detailed Description

class ComplexFFTData controls and manipulates complex fft data

Examples:

ComplexFFTExample.C.

Definition at line 24 of file ComplexFFTData.H.

Constructor & Destructor Documentation

ComplexFFTData()

ComplexFFTData::ComplexFFTData

(

int

sz

)

Constructor with all memory to be allocated internally.

Definition at line 21 of file ComplexFFTData.C.

~ComplexFFTData()

ComplexFFTData::~ComplexFFTData

(

void

)

Deconstructor.

Definition at line 48 of file ComplexFFTData.C.

Member Function Documentation

compPowerSpec()

int ComplexFFTData::compPowerSpec

(

)

This function computes the power spectrum and returns the max bin.

Examples:

ComplexFFTExample.C.

Definition at line 60 of file ComplexFFTData.C.

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getSize()

int ComplexFFTData::getSize ( void  )

inline

Returns the number of elements in the input and output arrays.

Definition at line 49 of file ComplexFFTData.H.

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limitHalfPowerSpec()

int ComplexFFTData::limitHalfPowerSpec

(

double

lim

)

Limits the maximum to 'lim' and returns the last fft bin with max.

sqrtPowerSpec()

int ComplexFFTData::sqrtPowerSpec

(

)

This function computes the square root of the power spectrum and returns the max bin.

Examples:

ComplexFFTExample.C.

Definition at line 81 of file ComplexFFTData.C.

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switchData()

void ComplexFFTData::switchData

(

ComplexFFTData *

d

)

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

Member Data Documentation

in

fftw_complex* ComplexFFTData::in

the input and output arrays

Examples:

ComplexFFTExample.C.

Definition at line 29 of file ComplexFFTData.H.

maxPowerBin

int ComplexFFTData::maxPowerBin

Definition at line 35 of file ComplexFFTData.H.

minPowerBin

int ComplexFFTData::minPowerBin

Specifies the minimum and maximum power bins as used in the methods findMaxMinPowerBins and compPowerSpec.

Definition at line 35 of file ComplexFFTData.H.

out

fftw_complex * ComplexFFTData::out

Examples:

ComplexFFTExample.C.

Definition at line 29 of file ComplexFFTData.H.

power_spectrum

fftw_real* ComplexFFTData::power_spectrum

the power_spectrum array

Examples:

ComplexFFTExample.C.

Definition at line 31 of file ComplexFFTData.H.

size

int ComplexFFTData::size

Specifies the size of the data array.

Definition at line 27 of file ComplexFFTData.H.

totalPower

double ComplexFFTData::totalPower

The total power (summed) of the power spectrum as used in the method compPowerSpec.

Definition at line 33 of file ComplexFFTData.H.

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

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