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#include <nfft3.h>
Data Fields | |
int | N_total |
Total number of Fourier \ coefficients. | |
int | M_total |
Total number of samples. | |
double complex * | f_hat |
Vector of Fourier coefficients, \ size is N_total float_types. | |
double complex * | f |
Vector of samples, \ size is M_total float types. | |
int | d |
dimension, rank | |
double * | sigma |
oversampling-factor | |
double * | a |
1 + 2*m/N1 | |
int * | N |
cut-off-frequencies | |
int * | N1 |
sigma*N | |
int * | aN1 |
sigma*a*N | |
int | m |
cut-off parameter in time-domain | |
double * | b |
shape parameters | |
int | K |
number of precomp. | |
int | aN1_total |
aN1_total=aN1[0]* . | |
nfft_plan * | direct_plan |
plan for the nfft | |
unsigned | nnfft_flags |
flags for precomputation, malloc | |
int * | n |
n=N1, for the window function | |
double * | x |
nodes (in time/spatial domain) | |
double * | v |
nodes (in fourier domain) | |
double * | c_phi_inv |
precomputed data, matrix D | |
double * | psi |
precomputed data, matrix B | |
int | size_psi |
only for thin B | |
int * | psi_index_g |
only for thin B | |
int * | psi_index_f |
only for thin B | |
double complex * | F |
double * | spline_coeffs |
input for de Boor algorithm, if B_SPLINE or SINC_2m is defined |
Definition at line 961 of file nfft3.h.
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number of precomp. uniform psi Definition at line 977 of file nfft3.h. Referenced by nnfft_precompute_lin_psi(). |
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aN1_total=aN1[0]* . .. *aN1[d-1] |