/usr/include/libnova/venus.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 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | /*
* 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_VENUS_H
#define _LN_VENUS_H
#include <libnova/ln_types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*! \defgroup venus Venus
*
* Functions relating to the planet Venus.
*
* All angles are expressed in degrees.
*/
/*! \fn double ln_get_venus_sdiam(double JD)
* \brief Calculate the semidiameter of Venus in arc seconds.
* \ingroup venus
*/
double LIBNOVA_EXPORT ln_get_venus_sdiam(double JD);
/*! \fn double ln_get_venus_rst(double JD, struct ln_lnlat_posn *observer, struct ln_rst_time *rst);
* \brief Calculate the time of rise, set and transit for Venus.
* \ingroup venus
*/
int LIBNOVA_EXPORT ln_get_venus_rst(double JD, struct ln_lnlat_posn *observer,
struct ln_rst_time *rst);
/*! \fn void ln_get_venus_helio_coords(double JD, struct ln_helio_posn *position);
* \brief Calculate Venus heliocentric coordinates
* \ingroup venus
*/
/* Chapter 31 Pg 206-207 Equ 31.1 31.2 , 31.3 using VSOP 87 */
void LIBNOVA_EXPORT ln_get_venus_helio_coords(double JD,
struct ln_helio_posn *position);
/*! \fn void ln_get_venus_equ_coords(double JD, struct ln_equ_posn *position);
* \brief Calculate Venus equatorial coordinates
* \ingroup venus
*/
/* Chapter 31 Pg 206-207 Equ 31.1 31.2 , 31.3 using VSOP 87 */
void LIBNOVA_EXPORT ln_get_venus_equ_coords(double JD,
struct ln_equ_posn *position);
/*! \fn double ln_get_venus_earth_dist(double JD);
* \brief Calculate the distance between Venus and the Earth.
* \ingroup venus
* \return Distance in AU
*/
/* Chapter ?? */
double LIBNOVA_EXPORT ln_get_venus_earth_dist(double JD);
/*! \fn double ln_get_venus_solar_dist(double JD);
* \brief Calculate the distance between Venus and the Sun.
* \ingroup venus
* \return Distance in AU
*/
/* Chapter ?? */
double LIBNOVA_EXPORT ln_get_venus_solar_dist(double JD);
/*! \fn double ln_get_venus_magnitude(double JD);
* \brief Calculate the visible magnitude of Venus
* \ingroup venus
* \return Visible magnitude of Venus
*/
/* Chapter ?? */
double LIBNOVA_EXPORT ln_get_venus_magnitude(double JD);
/*! \fn double ln_get_venus_disk(double JD);
* \brief Calculate the illuminated fraction of Venus disk
* \ingroup venus
* \return Illuminated fraction of Venus disk
*/
/* Chapter 41 */
double LIBNOVA_EXPORT ln_get_venus_disk(double JD);
/*! \fn double ln_get_venus_phase(double JD);
* \brief Calculate the phase angle of Venus.
* \ingroup venus
* \return Phase angle of Venus (degrees)
*/
/* Chapter 41 */
double LIBNOVA_EXPORT ln_get_venus_phase(double JD);
/*! \fn void ln_get_venus_rect_helio(double JD, struct ln_rect_posn *position)
* \ingroup venus
* \brief Calculate Venus rectangular heliocentric coordinates.
*/
void LIBNOVA_EXPORT ln_get_venus_rect_helio(double JD,
struct ln_rect_posn *position);
#ifdef __cplusplus
};
#endif
#endif
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