/usr/include/libnova/vsop87.h is in libnova-dev 0.16-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | /*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2000 - 2005 Liam Girdwood
*/
#ifndef _LN_VSOP87_H
#define _LN_VSOP87_H
#include <libnova/ln_types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*! \defgroup VSOP87 VSOP87 Theory
*
* Thanks to Messrs. Bretagnon and Francou for publishing planetary
* solution VSOP87.
*/
/*! \fn void ln_vsop87_to_fk5(struct ln_helio_posn *position, double JD);
* \ingroup VSOP87
* \brief Transform from VSOP87 to FK5 reference system.
*/
/* equation 31.3 Pg 207 */
/* JD Julian Day */
void LIBNOVA_EXPORT ln_vsop87_to_fk5(struct ln_helio_posn *position, double JD);
struct ln_vsop
{
double A;
double B;
double C;
};
double LIBNOVA_EXPORT ln_calc_series(const struct ln_vsop *data, int terms,
double t);
#ifdef __cplusplus
};
#endif
#endif
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