|   | 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().