plan for fast summation algorithm
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#include <fastsum.h>
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| NFFT (plan) mv1 |
| source nfft plan
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| NFFT (plan) mv2 |
| target nfft plan
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| FFTW (plan) fft_plan |
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int | d |
| api More...
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int | N_total |
| number of source knots
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int | M_total |
| number of target knots
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C * | alpha |
| source coefficients
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C * | f |
| target evaluations
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R * | x |
| source knots in d-ball with radius 1/4-eps_b/2
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R * | y |
| target knots in d-ball with radius 1/4-eps_b/2
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kernel | k |
| kernel function
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R * | kernel_param |
| parameters for kernel function
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unsigned | flags |
| flags precomp. More...
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C * | pre_K |
| internal More...
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int | n |
| FS__ - fast summation. More...
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C * | b |
| expansion coefficients
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int | p |
| degree of smoothness of regularization
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R | eps_I |
| inner boundary
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R | eps_B |
| outer boundary
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int | Ad |
| near field More...
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C * | Add |
| spline values
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int | box_count |
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int | box_count_per_dim |
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int * | box_offset |
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R * | box_x |
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C * | box_alpha |
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R | MEASURE_TIME_t [8] |
| Measured time for each step if MEASURE_TIME is set.
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plan for fast summation algorithm
Definition at line 72 of file fastsum.h.
§ flags
unsigned fastsum_plan_::flags |
flags precomp.
and approx.type
Definition at line 90 of file fastsum.h.
§ pre_K
internal
DS_PRE - direct summation precomputed K(x_j-y_l)
Definition at line 95 of file fastsum.h.
FS__ - fast summation.
expansion degree
Definition at line 98 of file fastsum.h.
§ Ad
near field
number of spline knots for nearfield computation of regularized kernel
Definition at line 109 of file fastsum.h.
The documentation for this struct was generated from the following file: