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auxil.c@ 1516

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Last change on this file since 1516 was 1457, checked in by cmv, 25 years ago
import de la partie libastro de Xephem cmv+rz 10/4/2001
File size: 1017 bytes

Line
1	/* aux functions so programs besides XEphem can use this library.
2	*/
3
4	#include <stdio.h>
5
6	#if defined (__STDC__)
7	#include <stdlib.h>
8	#endif
9
10	#include "P_.h"
11	#include "astro.h"
12	#include "circum.h"
13	#include "preferences.h"
14
15	static int prefs[NPREFS] = {
16	PREF_TOPO, PREF_METRIC, PREF_MDY, PREF_UTCTZ, PREF_HIPREC, PREF_NOMSGBELL,
17	PREF_PREFILL, PREF_TIPSON, PREF_CONFIRMON
18	};
19
20	/* called anytime we want to know a preference.
21	*/
22	int
23	pref_get(pref)
24	Preferences pref;
25	{
26	return (prefs[pref]);
27	}
28
29	/* call to force a certain preference, return the old setting.
30	*/
31	int
32	pref_set (pref, new)
33	Preferences pref;
34	int new;
35	{
36	int prior = pref_get(pref);
37	prefs[pref] = new;
38	return (prior);
39	}
40
41	/* given an mjd, return it modified for terrestial dynamical time */
42	double
43	mm_mjed (np)
44	Now *np;
45	{
46	return (mjd + deltat(mjd)/86400.0);
47	}
48
49	/* For RCS Only -- Do Not Edit */
50	static char rcsid[2] = {(char )rcsid, "@(#) $RCSfile: auxil.c,v $ $Date: 2001-04-10 14:40:46 $ $Revision: 1.1.1.1 $ $Name: not supported by cvs2svn $"};

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