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#include <math.h>
#include <stdlib.h>
#include "util.h"
#include "nfft3.h"
Go to the source code of this file.
Functions | |
| int | linogram_grid (int T, int R, double *x, double *w) |
| Generates the points x with weights w for the linogram grid with T slopes and R offsets. | |
| int | linogram_dft (fftw_complex *f_hat, int NN, fftw_complex *f, int T, int R, int m) |
| discrete pseudo-polar FFT | |
| int | linogram_fft (fftw_complex *f_hat, int NN, fftw_complex *f, int T, int R, int m) |
| NFFT-based pseudo-polar FFT. | |
| int | inverse_linogram_fft (fftw_complex *f, int T, int R, fftw_complex *f_hat, int NN, int max_i, int m) |
| NFFT-based inverse pseudo-polar FFT. | |
| int | comparison_fft (FILE *fp, int N, int T, int R) |
| Comparison of the FFTW, linogram FFT, and inverse linogram FFT. | |
| int | main (int argc, char **argv) |
| test program for various parameters | |
Variables | |
| double | GLOBAL_elapsed_time |
Computes the NFFT-based pseudo-polar FFT and its inverse.
Definition in file linogram_fft_test.c.