1/* specfunc/gsl_sf_elljac.h
2 *
3 * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman
4 *
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.
9 *
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.
14 *
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.
18 */
19
20/* Author: G. Jungman */
21
22#ifndef __GSL_SF_ELLJAC_H__
23#define __GSL_SF_ELLJAC_H__
24
25#undef __BEGIN_DECLS
26#undef __END_DECLS
27#ifdef __cplusplus
28# define __BEGIN_DECLS extern "C" {
29# define __END_DECLS }
30#else
31# define __BEGIN_DECLS /* empty */
32# define __END_DECLS /* empty */
33#endif
34
35__BEGIN_DECLS
36
37
38/* Jacobian elliptic functions sn, dn, cn,
39 * by descending Landen transformations
40 *
41 * exceptions: GSL_EDOM
42 */
43int gsl_sf_elljac_e(double u, double m, double * sn, double * cn, double * dn);
44
45
46__END_DECLS
47
48#endif /* __GSL_SF_ELLJAC_H__ */
49