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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
30 extern "C" {
31 #endif
32
40 double LIBNOVA_EXPORT ln_get_julian_day (struct ln_date * date);
41
46 void LIBNOVA_EXPORT ln_get_date (double JD, struct ln_date * date);
47
52 void LIBNOVA_EXPORT ln_get_date_from_timet (time_t * t, struct ln_date * date);
53
58 void LIBNOVA_EXPORT ln_get_date_from_tm (struct tm * t, struct ln_date * date);
59
64 void LIBNOVA_EXPORT ln_get_local_date (double JD, struct ln_zonedate * zonedate);
65
70 unsigned int LIBNOVA_EXPORT ln_get_day_of_week (struct ln_date *date);
71
76 double LIBNOVA_EXPORT ln_get_julian_from_sys ();
77
78
83 void LIBNOVA_EXPORT ln_get_date_from_sys (struct ln_date * date);
84
89 double LIBNOVA_EXPORT ln_get_julian_from_timet (time_t * in_time);
90
95 void LIBNOVA_EXPORT ln_get_timet_from_julian (double JD, time_t * in_time);
96
101 double LIBNOVA_EXPORT ln_get_julian_local_date(struct ln_zonedate* zonedate);
102
107 int LIBNOVA_EXPORT ln_get_date_from_mpc (struct ln_date* date, char* mpc_date);
108
113 double LIBNOVA_EXPORT ln_get_julian_from_mpc (char* mpc_date);
114
119 void LIBNOVA_EXPORT ln_date_to_zonedate (struct ln_date * date, struct ln_zonedate * zonedate, long gmtoff);
120
125 void LIBNOVA_EXPORT ln_zonedate_to_date (struct ln_zonedate * zonedate, struct ln_date * date);
126
127 #ifdef __cplusplus
128 };
129 #endif
130
131 #endif
ln_get_timet_from_julian
void ln_get_timet_from_julian(double JD, time_t *in_time)
Calculate time_t from julian day.
Definition: julian_day.c:239
ln_zonedate
Human readable Date and time with timezone information used by libnova.
Definition: ln_types.h:86
ln_date_to_zonedate
void 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
ln_get_day_of_week
unsigned int ln_get_day_of_week(struct ln_date *date)
Calculate day of the week.
Definition: julian_day.c:88
ln_zonedate_to_date
void ln_zonedate_to_date(struct ln_zonedate *zonedate, struct ln_date *date)
convert ln_zonedate to ln_date
Definition: julian_day.c:414
ln_get_julian_day
double ln_get_julian_day(struct ln_date *date)
Calculate the julian day from date.
Definition: julian_day.c:40
ln_get_date
void ln_get_date(double JD, struct ln_date *date)
Calculate the date from the julian day.
Definition: julian_day.c:107
ln_get_julian_from_sys
double ln_get_julian_from_sys()
Calculate julian day from system time.
Definition: julian_day.c:249
ln_get_date_from_sys
void ln_get_date_from_sys(struct ln_date *date)
Calculate date from system date.
Definition: julian_day.c:189
ln_get_date_from_mpc
int 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
ln_date
Human readable Date and time used by libnova.
Definition: ln_types.h:66
ln_get_julian_from_timet
double ln_get_julian_from_timet(time_t *in_time)
Calculate julian day from time_t.
Definition: julian_day.c:217
ln_get_julian_local_date
double ln_get_julian_local_date(struct ln_zonedate *zonedate)
Calculate Julian day from local date.
Definition: julian_day.c:267
ln_get_julian_from_mpc
double ln_get_julian_from_mpc(char *mpc_date)
Calculate the julian day from the a MPC packed date.
Definition: julian_day.c:371