|
|
3.2.3 |
plan for fast summation algorithm More...
#include <fastsum.h>
Data Fields | |
| int | d |
| api | |
| int | N_total |
| number of source knots | |
| int | M_total |
| number of target knots | |
| double _Complex * | alpha |
| source coefficients | |
| double _Complex * | f |
| target evaluations | |
| double * | x |
| source knots in d-ball with radius 1/4-eps_b/2 | |
| double * | y |
| target knots in d-ball with radius 1/4-eps_b/2 | |
| kernel | k |
| kernel function | |
| double * | kernel_param |
| parameters for kernel function | |
| unsigned | flags |
| flags precomp. | |
| double _Complex * | pre_K |
| internal | |
| int | n |
| FS__ - fast summation. | |
| fftw_complex * | b |
| expansion coefficients | |
| int | p |
| degree of smoothness of regularization | |
| double | eps_I |
| inner boundary | |
| double | eps_B |
| outer boundary | |
| nfft_plan | mv1 |
| source nfft plan | |
| nfft_plan | mv2 |
| target nfft plan | |
| int | Ad |
| near field | |
| double _Complex * | Add |
| spline values | |
| fftw_plan | fft_plan |
| int | box_count |
| int | box_count_per_dim |
| int * | box_offset |
| double * | box_x |
| double _Complex * | box_alpha |
| double | MEASURE_TIME_t [8] |
| Measured time for each step if MEASURE_TIME is set. | |
| int fastsum_plan_::d |
api
number of dimensions
Definition at line 75 of file fastsum.h.
Referenced by BuildBox(), fastsum_exact(), fastsum_init_guru(), fastsum_precompute(), fastsum_trafo(), and SearchBox().
| unsigned fastsum_plan_::flags |
flags precomp.
and approx.type
Definition at line 89 of file fastsum.h.
Referenced by fastsum_finalize(), fastsum_init_guru(), fastsum_precompute(), fastsum_trafo(), and SearchBox().
| double _Complex* fastsum_plan_::pre_K |
| int fastsum_plan_::n |
FS__ - fast summation.
expansion degree
Definition at line 97 of file fastsum.h.
Referenced by fastsum_init_guru(), and fastsum_precompute().
| int fastsum_plan_::Ad |
near field
number of spline knots for nearfield computation of regularized kernel
Definition at line 108 of file fastsum.h.
Referenced by fastsum_init_guru(), fastsum_precompute(), fastsum_trafo(), and SearchBox().