libnova v 0.15.0
vsop87.h
1/*
2 * This library is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU Lesser General Public
4 * License as published by the Free Software Foundation; either
5 * version 2 of the License, or (at your option) any later version.
6 *
7 * This library is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * Lesser General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
15 *
16 * Copyright (C) 2000 - 2005 Liam Girdwood
17 */
18
19#ifndef _LN_VSOP87_H
20#define _LN_VSOP87_H
21
22#include <libnova/ln_types.h>
23
24#ifdef __cplusplus
25extern "C" {
26#endif
27
38/* equation 31.3 Pg 207 */
39/* JD Julian Day */
40void LIBNOVA_EXPORT ln_vsop87_to_fk5 (struct ln_helio_posn * position, double JD);
41
42
43struct ln_vsop
44{
45 double A;
46 double B;
47 double C;
48};
49
50
51double LIBNOVA_EXPORT ln_calc_series (const struct ln_vsop * data, int terms, double t);
52
53#ifdef __cplusplus
54};
55#endif
56
57#endif
Heliocentric position.
Definition ln_types.h:217
Definition vsop87.h:44