r8b::CDSPRealFFTSetup Class Reference

Real-valued FFT setup class. More...

#include <CDSPRealFFT.h>

Inheritance diagram for r8b::CDSPRealFFTSetup:

Public Member Functions
double	getInvMulConst () const
	Return a multiplication constant that should be used after inverse transform to obtain a correct value scale.
int	getLen () const
	Returns the length (the number of real values in a transform) of this FFT setup object.
int	getLenBits () const
	Returns the length (the number of real values in a transform) of this FFT setup object, expressed as Nth power of 2.

Friends
class	CDSPRealFFT
class	CDSPRealFFTKeeper
class	CPtrKeeper< CDSPRealFFTSetup >

Detailed Description

Real-valued FFT setup class.

This class stores pre-calculated data for FFT functions of a specific length. Only a single object of this class is required for all FFT transform objects utilized concurrently.