/usr/include/libnova/pluto.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.
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* 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_PLUTO_H
#define _LN_PLUTO_H
#include <libnova/ln_types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*! \defgroup pluto Pluto
*
* Functions relating to the planet Pluto.
*
* All angles are expressed in degrees.
*/
/*! \fn double ln_get_pluto_sdiam(double JD)
* \brief Calculate the semidiameter of Pluto in arc seconds.
* \ingroup pluto
*/
double LIBNOVA_EXPORT ln_get_pluto_sdiam(double JD);
/*! \fn double ln_get_pluto_rst(double JD, struct ln_lnlat_posn *observer, struct ln_rst_time *rst);
* \brief Calculate the time of rise, set and transit for Pluto.
* \ingroup pluto
*/
int LIBNOVA_EXPORT ln_get_pluto_rst(double JD, struct ln_lnlat_posn *observer,
struct ln_rst_time *rst);
/*! \fn void ln_get_pluto_helio_coords(double JD, struct ln_helio_posn *position);
* \brief Calculate Pluto's heliocentric coordinates.
* \ingroup pluto
*/
/* Chapter 37 Pg 263 */
void LIBNOVA_EXPORT ln_get_pluto_helio_coords(double JD,
struct ln_helio_posn *position);
/*! \fn void ln_get_pluto_equ_coords(double JD, struct ln_equ_posn *position);
* \brief Calculate Pluto's equatorial coordinates.
* \ingroup pluto
*/
/* Chapter 37 */
void LIBNOVA_EXPORT ln_get_pluto_equ_coords(double JD,
struct ln_equ_posn *position);
/*! \fn double ln_get_pluto_earth_dist(double JD);
* \brief Calculate the distance between Pluto and the Earth.
* \ingroup pluto
* \return distance in AU
*/
/* Chapter 37 */
double LIBNOVA_EXPORT ln_get_pluto_earth_dist(double JD);
/*! \fn double ln_get_pluto_solar_dist(double JD);
* \brief Calculate the distance between Pluto and the Sun.
* \ingroup pluto
* \return Distance in AU
*/
/* Chapter 37 */
double LIBNOVA_EXPORT ln_get_pluto_solar_dist(double JD);
/*! \fn double ln_get_pluto_magnitude(double JD);
* \brief Calculate the visible magnitude of Pluto
* \ingroup pluto
* \return Visible magnitude of Pluto.
*/
/* Chapter 41 */
double LIBNOVA_EXPORT ln_get_pluto_magnitude(double JD);
/*! \fn double ln_get_pluto_disk(double JD);
* \brief Calculate the illuminated fraction of Pluto's disk
* \ingroup pluto
* \return Illuminated fraction of Pluto's disk
*/
/* Chapter 41 */
double LIBNOVA_EXPORT ln_get_pluto_disk(double JD);
/*! \fn double ln_get_pluto_phase(double JD);
* \brief Calculate the phase angle of Pluto.
* \ingroup pluto
* \return Phase angle of Pluto (degrees).
*/
/* Chapter 41 */
double LIBNOVA_EXPORT ln_get_pluto_phase(double JD);
/*! \fn void ln_get_pluto_rect_helio(double JD, struct ln_rect_posn *position)
* \ingroup pluto
* \brief Calculate Plutos rectangular heliocentric coordinates.
*/
void LIBNOVA_EXPORT ln_get_pluto_rect_helio(double JD,
struct ln_rect_posn *position);
#ifdef __cplusplus
};
#endif
#endif
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