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#include <complex.h>
#include "util.h"
#include "nfft3.h"
Go to the source code of this file.
Data Structures | |
| struct | fastsum_plan_ |
| plan for fast summation algorithm More... | |
Defines | |
| #define | EXACT_NEARFIELD (1U<< 0) |
| Constant symbols. | |
Typedefs | |
| typedef fastsum_plan_ | fastsum_plan |
| plan for fast summation algorithm | |
Functions | |
| void | fastsum_init_guru (fastsum_plan *ths, int d, int N_total, int M_total, complex(*kernel)(), double *param, unsigned flags, int nn, int m, int p, double eps_I, double eps_B) |
| initialization of fastsum plan | |
| void | fastsum_finalize (fastsum_plan *ths) |
| finalization of fastsum plan | |
| void | fastsum_exact (fastsum_plan *ths) |
| direct computation of sums | |
| void | fastsum_precompute (fastsum_plan *ths) |
| precomputation for fastsum | |
| void | fastsum_trafo (fastsum_plan *ths) |
| fast NFFT-based summation | |
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.