NFFT  3.4.1
Macros | Functions
polar_fft_test.c File Reference

NFFT-based 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 polar_grid (int T, int S, NFFT_R *x, NFFT_R *w)
 Generates the points $x_{t,j}$ with weights $w_{t,j}$ for the polar grid with $T$ angles and $R$ offsets. More...
 
static int polar_dft (NFFT_C *f_hat, int NN, NFFT_C *f, int T, int S, int m)
 discrete polar FFT
 
static int polar_fft (NFFT_C *f_hat, int NN, NFFT_C *f, int T, int S, int m)
 NFFT-based polar FFT.
 
static int inverse_polar_fft (NFFT_C *f, int T, int S, NFFT_C *f_hat, int NN, int max_i, int m)
 inverse NFFT-based polar FFT
 
int main (int argc, char **argv)
 test program for various parameters
 

Detailed Description

NFFT-based polar FFT and inverse.

Computes the NFFT-based polar FFT and its inverse for various parameters.

Author
Markus Fenn
Date
2006

Definition in file polar_fft_test.c.