/usr/include/libnova/earth.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 | /*
* 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_EARTH_H
#define _LN_EARTH_H
#include <libnova/ln_types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*! \defgroup earth Earth
*
* Functions relating to the planet Earth.
*
* All angles are expressed in degrees.
*/
/*
** Earth
*/
/*! \fn void ln_get_earth_helio_coords(double JD, struct ln_helio_posn *position);
* \brief Calculate Earth's heliocentric coordinates
* \ingroup earth
*/
/* Chapter 31 Pg 206-207 Equ 31.1 31.2 , 31.3 using VSOP 87 */
void LIBNOVA_EXPORT ln_get_earth_helio_coords(double JD,
struct ln_helio_posn *position);
/*! \fn void ln_get_earth_solar_dist(double JD);
* \brief Calculate the distance between Earth and the Sun.
* \ingroup earth
* \return Distance in AU
*/
/* Chapter ?? */
double LIBNOVA_EXPORT ln_get_earth_solar_dist(double JD);
/*! \fn void ln_get_earth_rect_helio(double JD, struct ln_rect_posn *position)
* \ingroup earth
* \brief Calculate the Earths rectangular heliocentric coordinates.
*/
void LIBNOVA_EXPORT ln_get_earth_rect_helio(double JD,
struct ln_rect_posn *position);
/*! \fn void ln_get_earth_centre_dist(float height, double latitude, double *p_sin_o, double *p_cos_o);
* \ingroup earth
* \brief Calculate Earth globe centre distance.
*/
void LIBNOVA_EXPORT ln_get_earth_centre_dist(float height, double latitude,
double *p_sin_o, double *p_cos_o);
#ifdef __cplusplus
};
#endif
#endif
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