Inheritance diagram for FastFourierTransform:

Public Types
enum	WindowFunctionOptions { RECTANGULAR_WINDOW =0, BARTLETT_WINDOW, HAMMING_WINDOW, HANNING_WINDOW }

Public Member Functions
	FastFourierTransform (const FastFourierTransform &rhs)

FastFourierTransform &	operator= (const FastFourierTransform &rhs)

bool	init (const unsigned int windowSize, const unsigned int windowFunction=RECTANGULAR_WINDOW, const bool computeMagnitude=true, const bool computePhase=true, bool enableZeroPadding=true)

bool	computeFFT (VectorFloat &data)

VectorFloat	getMagnitudeData () const

VectorFloat	getPhaseData () const

VectorFloat	getPowerData () const

Float	getAveragePower () const

Float *	getMagnitudeDataPtr ()

Float *	getPhaseDataPtr ()

Float *	getPowerDataPtr ()

UINT	getFFTSize () const

Public Member Functions inherited from GRTBase
	GRTBase (const std::string &id="")

virtual	~GRTBase (void)

bool	copyGRTBaseVariables (const GRTBase *GRTBase)

	GRT_DEPRECATED_MSG ("getClassType is deprecated, use getId() instead!", std::string getClassType() const )

std::string	getId () const

std::string	getLastWarningMessage () const

std::string	getLastErrorMessage () const

std::string	getLastInfoMessage () const

bool	setInfoLoggingEnabled (const bool loggingEnabled)

bool	setWarningLoggingEnabled (const bool loggingEnabled)

bool	setErrorLoggingEnabled (const bool loggingEnabled)

bool	setDebugLoggingEnabled (const bool loggingEnabled)

GRTBase *	getGRTBasePointer ()

const GRTBase *	getGRTBasePointer () const

Float	scale (const Float &x, const Float &minSource, const Float &maxSource, const Float &minTarget, const Float &maxTarget, const bool constrain=false)

Float	SQR (const Float &x) const

Protected Member Functions
bool	windowData (VectorFloat &data)

bool	realFFT (const VectorFloat &realIn, Float realOut, Float imagOut)

bool	FFT (int NumSamples, bool InverseTransform, Float realIn, Float imagIn, Float realOut, Float imagOut)

int	numberOfBitsNeeded (int PowerOfTwo)

int	reverseBits (int index, int NumBits)

void	initFFT ()

int	fastReverseBits (const int i, const int NumBits)

bool	isPowerOfTwo (const unsigned int x)

Protected Attributes
unsigned int	windowSize

unsigned int	windowFunction

bool	initialized

bool	computeMagnitude

bool	computePhase

bool	enableZeroPadding

VectorFloat	fftReal

VectorFloat	fftImag

VectorFloat	tmpReal

VectorFloat	tmpImag

VectorFloat	magnitude

VectorFloat	phase

VectorFloat	power

Float	averagePower

Vector< Vector< int > >	bitTable

Protected Attributes inherited from GRTBase
std::string	classId
	Stores the name of the class (e.g., MinDist)

DebugLog	debugLog

ErrorLog	errorLog

InfoLog	infoLog

WarningLog	warningLog

Static Protected Attributes
static const int	MAX_FAST_BITS = 16

Additional Inherited Members
Static Public Member Functions inherited from GRTBase
static std::string	getGRTVersion (bool returnRevision=true)

static std::string	getGRTRevison ()

Detailed Description

Definition at line 34 of file FastFourierTransform.h.

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

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Static Protected Attributes

Additional Inherited Members

Detailed Description