1 /* specfunc/gsl_sf_elljac.h
3 * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or (at
8 * your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 /* Author: G. Jungman */
22 #ifndef __GSL_SF_ELLJAC_H__
23 #define __GSL_SF_ELLJAC_H__
28 # define __BEGIN_DECLS extern "C" {
29 # define __END_DECLS }
31 # define __BEGIN_DECLS /* empty */
32 # define __END_DECLS /* empty */
38 /* Jacobian elliptic functions sn, dn, cn,
39 * by descending Landen transformations
41 * exceptions: GSL_EDOM
43 int gsl_sf_elljac_e(double u, double m, double * sn, double * cn, double * dn);
48 #endif /* __GSL_SF_ELLJAC_H__ */