NFFT  3.3.2alpha
Data Fields
nfsftf_plan Struct Reference

data structure for an NFSFT (nonequispaced fast spherical Fourier transform) plan with float precision More...

#include <nfft3.h>

Data Fields

NFFT_INT N_total
 Total number of Fourier coefficients. More...
 
NFFT_INT M_total
 Total number of samples. More...
 
fftwf_complex * f_hat
 Fourier coefficients. More...
 
fftwf_complex * f
 Samples. More...
 
void(* mv_trafo )(void *)
 Transform. More...
 
void(* mv_adjoint )(void *)
 Adjoint transform. More...
 
int N
 the bandwidth $N$
 
float * x
 the nodes $\mathbf{x}(m) = \left(x_1,x_2\right) \in [-\frac{1}{2},\frac{1}{2}) \times [0,\frac{1}{2}]$ for $m=0,\ldots, M-1$, $M \in \mathbb{N},$
 
int t
 the logarithm of NPT with respect to the basis 2
 
unsigned int flags
 the planner flags
 
nfftf_plan plan_nfft
 the internal NFFT plan
 
fftwf_complex * f_hat_intern
 Internally used pointer to spherical Fourier coefficients.
 
double MEASURE_TIME_t [3]
 Measured time for each step if MEASURE_TIME is set.
 

Detailed Description

data structure for an NFSFT (nonequispaced fast spherical Fourier transform) plan with float precision

Definition at line 574 of file nfft3.h.

Field Documentation

§ N_total

NFFT_INT nfsftf_plan::N_total

Total number of Fourier coefficients.

Definition at line 574 of file nfft3.h.

§ M_total

NFFT_INT nfsftf_plan::M_total

Total number of samples.

Definition at line 574 of file nfft3.h.

§ f_hat

fftwf_complex* nfsftf_plan::f_hat

Fourier coefficients.

Definition at line 574 of file nfft3.h.

§ f

fftwf_complex* nfsftf_plan::f

Samples.

Definition at line 574 of file nfft3.h.

§ mv_trafo

void(* nfsftf_plan::mv_trafo) (void *)

Transform.

Definition at line 574 of file nfft3.h.

§ mv_adjoint

void(* nfsftf_plan::mv_adjoint) (void *)

Adjoint transform.

Definition at line 574 of file nfft3.h.


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