Discrete Fourier Transforms and Helpers

Functions
NTTW_DLL_SYM void	fft (int rank, const int *sizes, fftw_complex *data, fftw_complex *fftOfData)
	The Complex valued Fast Fourier Transform (FFT). Uses the FFTW C library.
NTTW_DLL_SYM void	ifft (int rank, const int *sizes, fftw_complex *fftOfData, fftw_complex *data)
NTTW_DLL_SYM void	fft_norm (fftw_complex *data, const size_t n)
	Normalises data of length n in the complex field.

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Function Documentation

fft	(	int	rank,
		const int *	sizes,
		fftw_complex *	data,
		fftw_complex *	fftOfData
	)

The Complex valued Fast Fourier Transform (FFT). Uses the FFTW C library.

The Complex valued Inverse Fast Fourier Transform (iFFT). Uses the FFTW C library.

Definition at line 27 of file fourier.c.

fft_norm	(	fftw_complex *	data,
		const size_t	n
	)

Normalises data of length n in the complex field.

Definition at line 49 of file fourier.c.

NTTW_DLL_SYM void ifft	(	int	rank,
		const int *	sizes,
		fftw_complex *	fftOfData,
		fftw_complex *	data
	)

Definition at line 38 of file fourier.c.