RealFFT.h File Reference

Prototypes
REAL4FFTPlan *	XLALCreateREAL4FFTPlan (UINT4 size, int fwdflg, int measurelvl)
	Returns a new REAL4FFTPlan A REAL4FFTPlan is required to perform a FFT that involves real data. More...
REAL4FFTPlan *	XLALCreateForwardREAL4FFTPlan (UINT4 size, int measurelvl)
	Returns a new REAL4FFTPlan for a forward transform. More...
REAL4FFTPlan *	XLALCreateReverseREAL4FFTPlan (UINT4 size, int measurelvl)
	Returns a new REAL4FFTPlan for a reverse transform. More...
void	XLALDestroyREAL4FFTPlan (REAL4FFTPlan *plan)
	Destroys a REAL4FFTPlan. More...
int	XLALREAL4ForwardFFT (COMPLEX8Vector *output, const REAL4Vector *input, const REAL4FFTPlan *plan)
	Performs a forward FFT of REAL4 data. More...
int	XLALREAL4ReverseFFT (REAL4Vector *output, const COMPLEX8Vector *input, const REAL4FFTPlan *plan)
	Performs a reverse FFT of REAL4 data. More...
int	XLALREAL4VectorFFT (REAL4Vector *_LAL_RESTRICT_ output, const REAL4Vector *_LAL_RESTRICT_ input, const REAL4FFTPlan *plan)
	Perform a REAL4Vector to REAL4Vector FFT. More...
int	XLALREAL4PowerSpectrum (REAL4Vector *_LAL_RESTRICT_ spec, const REAL4Vector *_LAL_RESTRICT_ data, const REAL4FFTPlan *plan)
	Computes the power spectrum of REAL4 data. More...
REAL8FFTPlan *	XLALCreateREAL8FFTPlan (UINT4 size, int fwdflg, int measurelvl)
	Returns a new REAL8FFTPlan. More...
REAL8FFTPlan *	XLALCreateForwardREAL8FFTPlan (UINT4 size, int measurelvl)
	Returns a new REAL8FFTPlan for a forward transform. More...
REAL8FFTPlan *	XLALCreateReverseREAL8FFTPlan (UINT4 size, int measurelvl)
	Returns a new REAL8FFTPlan for a reverse transform. More...
void	XLALDestroyREAL8FFTPlan (REAL8FFTPlan *plan)
	Destroys a REAL8FFTPlan. More...
int	XLALREAL8ForwardFFT (COMPLEX16Vector *output, const REAL8Vector *input, const REAL8FFTPlan *plan)
	Performs a forward FFT of REAL8 data. More...
int	XLALREAL8ReverseFFT (REAL8Vector *output, const COMPLEX16Vector *input, const REAL8FFTPlan *plan)
	Performs a reverse FFT of REAL8 data. More...
int	XLALREAL8VectorFFT (REAL8Vector *output, const REAL8Vector *input, const REAL8FFTPlan *plan)
	Perform a REAL8Vector to REAL8Vector FFT. More...
int	XLALREAL8PowerSpectrum (REAL8Vector *spec, const REAL8Vector *data, const REAL8FFTPlan *plan)
	Computes the power spectrum of REAL8 data. More...

Go to the source code of this file.

Macros
#define	tagRealFFTPlan   tagREAL4FFTPlan
#define	RealFFTPlan   REAL4FFTPlan
Error Codes
#define	REALFFTH_ENULL   1
	Null pointer. More...
#define	REALFFTH_ENNUL   2
	Non-null pointer. More...
#define	REALFFTH_ESIZE   4
	Invalid input size. More...
#define	REALFFTH_ESZMM   8
	Size mismatch. More...
#define	REALFFTH_ESLEN   16
	Invalid/mismatched sequence lengths. More...
#define	REALFFTH_ESAME   32
	Input/Output data vectors are the same. More...
#define	REALFFTH_ESIGN   64
	Incorrect plan sign. More...
#define	REALFFTH_EDATA   128
	Bad input data: DC/Nyquist should be real. More...
#define	REALFFTH_EALOC   256
	Memory allocation failed. More...
#define	REALFFTH_EFFTW   512
	Error in FFTW. More...
#define	REALFFTH_ESNGL   1024
	FFTW library is not single-precision. More...
#define	REALFFTH_EINTL   2048
	Error in Intel FFT library. More...