libnova v 0.15.0
julian_day.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_JULIAN_DAY_H
20#define _LN_JULIAN_DAY_H
21
22#ifdef __WIN32
23#define __WIN32__
24#endif
25
26#include <time.h>
27#include <libnova/ln_types.h>
28
29#ifdef __cplusplus
30extern "C" {
31#endif
32
40double LIBNOVA_EXPORT ln_get_julian_day (struct ln_date * date);
41
46void LIBNOVA_EXPORT ln_get_date (double JD, struct ln_date * date);
47
52void LIBNOVA_EXPORT ln_get_date_from_timet (time_t * t, struct ln_date * date);
53
58void LIBNOVA_EXPORT ln_get_date_from_tm (struct tm * t, struct ln_date * date);
59
64void LIBNOVA_EXPORT ln_get_local_date (double JD, struct ln_zonedate * zonedate);
65
70unsigned int LIBNOVA_EXPORT ln_get_day_of_week (struct ln_date *date);
71
76double LIBNOVA_EXPORT ln_get_julian_from_sys ();
77
78
83void LIBNOVA_EXPORT ln_get_date_from_sys (struct ln_date * date);
84
89double LIBNOVA_EXPORT ln_get_julian_from_timet (time_t * in_time);
90
95void LIBNOVA_EXPORT ln_get_timet_from_julian (double JD, time_t * in_time);
96
101double LIBNOVA_EXPORT ln_get_julian_local_date(struct ln_zonedate* zonedate);
102
107int LIBNOVA_EXPORT ln_get_date_from_mpc (struct ln_date* date, char* mpc_date);
108
113double LIBNOVA_EXPORT ln_get_julian_from_mpc (char* mpc_date);
114
119void LIBNOVA_EXPORT ln_date_to_zonedate (struct ln_date * date, struct ln_zonedate * zonedate, long gmtoff);
120
125void LIBNOVA_EXPORT ln_zonedate_to_date (struct ln_zonedate * zonedate, struct ln_date * date);
126
127#ifdef __cplusplus
128};
129#endif
130
131#endif
double LIBNOVA_EXPORT ln_get_julian_local_date(struct ln_zonedate *zonedate)
Calculate Julian day from local date.
Definition julian_day.c:267
void LIBNOVA_EXPORT ln_get_timet_from_julian(double JD, time_t *in_time)
Calculate time_t from julian day.
Definition julian_day.c:239
double LIBNOVA_EXPORT ln_get_julian_from_mpc(char *mpc_date)
Calculate the julian day from the a MPC packed date.
Definition julian_day.c:371
void LIBNOVA_EXPORT ln_get_date_from_sys(struct ln_date *date)
Calculate date from system date.
Definition julian_day.c:189
double LIBNOVA_EXPORT ln_get_julian_day(struct ln_date *date)
Calculate the julian day from date.
Definition julian_day.c:40
unsigned int LIBNOVA_EXPORT ln_get_day_of_week(struct ln_date *date)
Calculate day of the week.
Definition julian_day.c:88
double LIBNOVA_EXPORT ln_get_julian_from_sys()
Calculate julian day from system time.
Definition julian_day.c:249
void LIBNOVA_EXPORT ln_get_date(double JD, struct ln_date *date)
Calculate the date from the julian day.
Definition julian_day.c:107
double LIBNOVA_EXPORT ln_get_julian_from_timet(time_t *in_time)
Calculate julian day from time_t.
Definition julian_day.c:217
int LIBNOVA_EXPORT ln_get_date_from_mpc(struct ln_date *date, char *mpc_date)
Calculate the local date from the a MPC packed date.
Definition julian_day.c:316
void LIBNOVA_EXPORT ln_date_to_zonedate(struct ln_date *date, struct ln_zonedate *zonedate, long gmtoff)
convert ln_date to ln_zonedate, zero zone info
Definition julian_day.c:389
void LIBNOVA_EXPORT ln_zonedate_to_date(struct ln_zonedate *zonedate, struct ln_date *date)
convert ln_zonedate to ln_date
Definition julian_day.c:414
Human readable Date and time used by libnova.
Definition ln_types.h:67
Human readable Date and time with timezone information used by libnova.
Definition ln_types.h:87