NFFT  3.3.1
wigner.h
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00001 /*
00002  * Copyright (c) 2002, 2016 Jens Keiner, Stefan Kunis, Daniel Potts
00003  *
00004  * This program is free software; you can redistribute it and/or modify it under
00005  * the terms of the GNU General Public License as published by the Free Software
00006  * Foundation; either version 2 of the License, or (at your option) any later
00007  * version.
00008  *
00009  * This program is distributed in the hope that it will be useful, but WITHOUT
00010  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00011  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
00012  * details.
00013  *
00014  * You should have received a copy of the GNU General Public License along with
00015  * this program; if not, write to the Free Software Foundation, Inc., 51
00016  * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00017  */
00018 
00026 #ifndef WIGNER_H
00027 #define WIGNER_H
00028 
00037 double SO3_alpha(int k, int m, int l);
00046 double SO3_beta(int k, int m, int l);
00055 double SO3_gamma(int k, int m, int l);
00065 void SO3_alpha_row(double *alpha, int N, int m, int n);
00075 void SO3_beta_row(double *beta, int N, int m, int n);
00085 void SO3_gamma_row(double *gamma, int N, int m, int n);
00095 void SO3_alpha_matrix(double *alpha, int N, int n);
00105 void SO3_beta_matrix(double *beta, int N, int n);
00115 void SO3_gamma_matrix(double *gamma, int N, int n);
00116 
00125 void SO3_alpha_all(double *alpha, int N);
00134 void SO3_beta_all(double *beta, int N);
00143 void SO3_gamma_all(double *gamma, int N);
00144 
00160 void eval_wigner(double *x, double *y, int size, int l, double *alpha,
00161     double *beta, double *gamma);
00178 int eval_wigner_thresh(double *x, double *y, int size, int l, double *alpha,
00179     double *beta, double *gamma, double threshold);
00180 
00193 double wigner_start(int n1, int n2, double theta);
00194 
00195 #endif