NSFFT - Nonequispaced sparse FFT

Direct and fast computation of the nonequispaced FFT on the hyperbolic cross. More...

Data Structures
struct	nsfft_plan
	data structure for an NSFFT (nonequispaced sparse fast Fourier transform) plan with double precision More...

Macros
#define	NSDFT   (1U<< 12)

Detailed Description

Direct and fast computation of the nonequispaced FFT on the hyperbolic cross.

Macro Definition Documentation

NSDFT

#define NSDFT   (1U<< 12)

If this flag is set, the member index_sparse_to_full is (de)allocated and initialised for the use in the routine nsfft_direct_trafo and nsdft_adjoint.

See also

nsfft_init

Author

Stefan Kunis

Definition at line 482 of file nfft3.h.