![]() |
|
#include <complex.h>
#include "util.h"
#include "nfft3.h"
Go to the source code of this file.
Defines | |
#define | EXACT_NEARFIELD (1U<< 0) |
Constant symbols. | |
Typedefs | |
typedef fastsum_plan_ | fastsum_plan |
plan for fast summation algorithm | |
Functions | |
double | regkern (complex(*kernel)(), double xx, int p, const double *param, double a, double b) |
double | kubintkern (double x, double *Add, int Ad, double a) |
cubic spline interpolation in near field with even kernels |
reference: M. Fenn, G. Steidl, Fast NFFT based summation of radial functions. Sampl. Theory Signal Image Process., 3, 1-28, 2004.
Definition in file fastsum.h.