libftsh
A Fast Transform for Spherical Harmonics
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Hold workspace and a few precomputed values for the fast synthesis/analysis. More...
#include <libftsh.h>
Data Fields | |
int | numpts |
int | band_limit |
Dense_Vector | dvect_coef [2] |
Dense_Vector | dvect_fcn [2] |
REAL * | eval_fcn [2] |
REAL * | over_rootsin |
REAL * | mod_weight |
Hold workspace and a few precomputed values for the fast synthesis/analysis.
In normal usage,
int band_limit |
The limit on the degree n allowed, used here to specify the memory needed.
An array of two Dense_Vectors, of length (band_limit+1)/2 and band_limit/2
An array of two Dense_Vectors, of length (numpts+1)/2 and numpts/2
An array of REALs of length numpts
int numpts |
The number of points in the full interval, used here to specify the memory needed and set over_rootin
An array of REALs of length numpts