blob: f837233413b1d7df1919ec291f0429ddc5e9d904 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
/*
* Recursive computation of (arbitrary degree) normalization constants
* for spherical harmonics, according to Gumerov and Duraiswami,
* "The Fast Multipole Methods for the Helmholtz Equation in Three Dimensions",
* Elsevier, 2005.
*
* Implementation by Franz Zotter, Institute of Electronic Music and Acoustics
* (IEM), University of Music and Dramatic Arts (KUG), Graz, Austria
* http://iem.at/Members/zotter, 2008.
*
* This code is published under the Gnu General Public License, see
* "LICENSE.txt"
*/
#ifndef _sharmonics_normalization_h__
#define _sharmonics_normalization_h__
#include <math.h>
#include <stdlib.h>
typedef struct _SHNorml_
{
double *n;
size_t nmax;
} SHNorml;
SHNorml *sharmonics_normalization_new (const size_t nmax);
void sharmonics_normalization_free (SHNorml *wn);
#endif
|
