An amplitude preserving Discrete Fourier Transform converter. More...

#include <das2/dft.h>

Public Member Functions
DAS_API Das2Dft *	new_Dft (DftPlan pPlan, const char sWindow)
	Create a new DFT calculator. More...

DAS_API void	del_Dft (Das2Dft *pThis)
	Free a DFT (Discrete Fourier Transform) calculator. More...

DAS_API DasErrCode	Dft_calculate (Das2Dft pThis, const double pReal, const double *pImg)
	Calculate a discrete Fourier transform. More...

DAS_API const double *	Dft_getImg (Das2Dft pThis, size_t pLen)
	Return the imaginary component after a calculation. More...

DAS_API const double *	Dft_getMagnitude (Das2Dft pThis, size_t pLen)
	Get the amplitude magnitude vector from a calculation. More...

Detailed Description

An amplitude preserving Discrete Fourier Transform converter.

On POSIX systems this code uses pthreads and fftw to handle simutaneous FFTs. The windows implemetation doesn't exist yet, but will not alter the call interface. An example of using this class follows:

The documentation for this struct was generated from the following file:

das2/dft.h

Public Member Functions

Detailed Description