NFFT 3.5.3alpha
Data Fields
nfsftl_plan Struct Reference

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

#include <nfft3.h>

Data Fields

NFFT_INT N_total
 Total number of Fourier coefficients.
 
NFFT_INT M_total
 Total number of samples.
 
fftwl_complex * f_hat
 Fourier coefficients.
 
fftwl_complex * f
 Samples.
 
void(* mv_trafo )(void *)
 Transform.
 
void(* mv_adjoint )(void *)
 Adjoint transform.
 
int N
 the bandwidth $N$
 
long double * 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
 
nfftl_plan plan_nfft
 the internal NFFT plan
 
fftwl_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 long double precision

Definition at line 582 of file nfft3.h.

Field Documentation

◆ N_total

NFFT_INT nfsftl_plan::N_total

Total number of Fourier coefficients.

Definition at line 582 of file nfft3.h.

◆ M_total

NFFT_INT nfsftl_plan::M_total

Total number of samples.

Definition at line 582 of file nfft3.h.

◆ f_hat

fftwl_complex* nfsftl_plan::f_hat

Fourier coefficients.

Definition at line 582 of file nfft3.h.

◆ f

fftwl_complex* nfsftl_plan::f

Samples.

Definition at line 582 of file nfft3.h.

◆ mv_trafo

void(* nfsftl_plan::mv_trafo) (void *)

Transform.

Definition at line 582 of file nfft3.h.

◆ mv_adjoint

void(* nfsftl_plan::mv_adjoint) (void *)

Adjoint transform.

Definition at line 582 of file nfft3.h.

◆ N

int nfsftl_plan::N

the bandwidth $N$

Definition at line 582 of file nfft3.h.

◆ x

long double* nfsftl_plan::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 $m=0,\ldots,     M-1$, $M \in \mathbb{N},$

Definition at line 582 of file nfft3.h.

◆ t

int nfsftl_plan::t

the logarithm of NPT with respect to the basis 2

Definition at line 582 of file nfft3.h.

◆ flags

unsigned int nfsftl_plan::flags

the planner flags

Definition at line 582 of file nfft3.h.

◆ plan_nfft

nfftl_plan nfsftl_plan::plan_nfft

the internal NFFT plan

Definition at line 582 of file nfft3.h.

◆ f_hat_intern

fftwl_complex* nfsftl_plan::f_hat_intern

Internally used pointer to spherical Fourier coefficients.

Definition at line 582 of file nfft3.h.

◆ MEASURE_TIME_t

double nfsftl_plan::MEASURE_TIME_t[3]

Measured time for each step if MEASURE_TIME is set.

Definition at line 582 of file nfft3.h.


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