![]() |
NFFT
3.5.0
|
NFFT-based pseudo-polar FFT and inverse. More...
#include <math.h>#include <stdlib.h>#include <complex.h>#include "nfft3mp.h"
Go to the source code of this file.
Functions | |
| static int | linogram_grid (int T, int rr, NFFT_R *x, NFFT_R *w) |
| Generates the points x with weights w for the linogram grid with T slopes and R offsets. | |
| static int | linogram_dft (NFFT_C *f_hat, int NN, NFFT_C *f, int T, int rr, int m) |
| discrete pseudo-polar FFT | |
| static int | linogram_fft (NFFT_C *f_hat, int NN, NFFT_C *f, int T, int rr, int m) |
| NFFT-based pseudo-polar FFT. | |
| static int | inverse_linogram_fft (NFFT_C *f, int T, int rr, NFFT_C *f_hat, int NN, int max_i, int m) |
| NFFT-based inverse pseudo-polar FFT. | |
| static int | comparison_fft (FILE *fp, int N, int T, int rr) |
| Comparison of the FFTW, linogram FFT, and inverse linogram FFT. | |
| int | main (int argc, char **argv) |
| test program for various parameters | |
Variables | |
| NFFT_R | GLOBAL_elapsed_time |
NFFT-based pseudo-polar FFT and inverse.
Computes the NFFT-based pseudo-polar FFT and its inverse.
Definition in file linogram_fft_test.c.
1.8.11