1 #include	<u.h>
2 #include	<libc.h>
3 
4 //#pragma	varargck	type	"R"	double
5 //#pragma	varargck	type	"D"	double
6 
7 typedef	struct	Obj1	Obj1;
8 typedef	struct	Obj2	Obj2;
9 typedef	struct	Obj3	Obj3;
10 typedef	struct	Occ	Occ;
11 typedef	struct	Event	Event;
12 typedef	struct	Tim	Tim;
13 typedef	struct	Moontab	Moontab;
14 
15 #define	NPTS	12
16 #define	PER	1.0
17 
18 enum
19 {
20 	DARK	= 1<<0,
21 	SIGNIF	= 1<<1,
22 	PTIME	= 1<<2,
23 	LIGHT	= 1<<3,
24 };
25 
26 struct	Obj1
27 {
28 	double	ra;
29 	double	decl2;
30 	double	semi2;
31 	double	az;
32 	double	el;
33 	double	mag;
34 };
35 struct	Obj2
36 {
37 	char*	name;
38 	char*	name1;
39 	void	(*obj)(void);
40 	Obj1	point[NPTS+2];
41 };
42 struct	Obj3
43 {
44 	double	t1;
45 	double	e1;
46 	double	t2;
47 	double	e2;
48 	double	t3;
49 	double	e3;
50 	double	t4;
51 	double	e4;
52 	double	t5;
53 	double	e5;
54 };
55 struct Event
56 {
57 	char*	format;
58 	char*	arg1;
59 	char*	arg2;
60 	double	tim;
61 	int	flag;
62 };
63 struct	Moontab
64 {
65 	double	f;
66 	char	c[4];
67 };
68 struct	Occ
69 {
70 	Obj1	act;
71 	Obj1	del0;
72 	Obj1	del1;
73 	Obj1	del2;
74 };
75 struct	Tim
76 {
77 	double	ifa[5];
78 	char	tz[4];
79 };
80 
81 double	converge;
82 
83 char	flags[128];
84 int	nperiods;
85 double	wlong, awlong, nlat, elev;
86 double	obliq, phi, eps, tobliq;
87 double	dphi, deps;
88 double	day, deld, per;
89 double	eday, capt, capt2, capt3, gst;
90 double	pi, pipi, radian, radsec, deltat;
91 double	erad, glat;
92 double	xms, yms, zms;
93 double	xdot, ydot, zdot;
94 
95 double	ecc, incl, node, argp, mrad, anom, motion;
96 
97 double	lambda, beta, rad, mag, semi;
98 double	alpha, delta, rp, hp;
99 double	ra, decl, semi2;
100 double	lha, decl2, lmb2;
101 double	az, el;
102 
103 double	meday, seday, mhp, salph, sdelt, srad;
104 
105 double*	cafp;
106 char*	cacp;
107 
108 double	rah, ram, ras, dday, dmin, dsec;
109 long	sao;
110 double	da, dd, px, epoch;
111 char	line[100];
112 Obj2	osun;
113 Obj2	omoon;
114 Obj2	oshad;
115 Obj2	omerc;
116 Obj2	ovenus;
117 Obj2	omars;
118 Obj2	osat;
119 Obj2	ouran;
120 Obj2	onept;
121 Obj2	oplut;
122 Obj2	ojup;
123 Obj2	ostar;
124 Obj2	ocomet;
125 Obj3	occ;
126 Obj2*	eobj1;
127 Obj2*	eobj2;
128 
129 char*	startab;
130 
131 extern	int	dmo[];
132 extern	Obj2*	objlst[];
133 
134 extern	double	venfp[];
135 extern	char	vencp[];
136 extern	double	sunfp[];
137 extern	char	suncp[];
138 extern	double	mercfp[];
139 extern	char	merccp[];
140 extern	double	nutfp[];
141 extern	char	nutcp[];
142 extern	Moontab moontab[];
143 
144 extern	void	args(int, char**);
145 extern	void	bdtsetup(double, Tim*);
146 extern	double	betcross(double);
147 extern	double	convdate(Tim*);
148 extern	double	cosadd(int, double, ...);
149 extern	double	cosx(double, int, int, int, int, double);
150 extern	double	dist(Obj1*, Obj1*);
151 extern	double	dsrc(double, Tim*, int);
152 extern	void	dtsetup(double, Tim*);
153 //extern	int	evcomp(void*, void*);
154 extern	void	event(char*, char*, char*, double, int);
155 extern	void	evflush(void);
156 extern	double	fmod(double, double);
157 extern	void	fstar(void);
158 extern	void	fsun(void);
159 extern	void	geo(void);
160 extern	void	helio(void);
161 extern	void	icosadd(double*, char*);
162 extern	void	init(void);
163 extern	void	jup(void);
164 extern	int	lastsun(Tim*, int);
165 extern	int	main(int, char**);
166 extern	void	mars(void);
167 extern	double	melong(Obj2*);
168 extern	void	merc(void);
169 extern	void	moon(void);
170 extern	void	numb(int);
171 extern	void	nutate(void);
172 extern	void	occult(Obj2*, Obj2*, double);
173 extern	void	output(char*, Obj1*);
174 extern	void	pdate(double);
175 extern	double	pinorm(double);
176 extern	void	ptime(double);
177 extern	void	pstime(double);
178 extern	double	pyth(double);
179 extern	double	readate(void);
180 extern	double	readdt(void);
181 extern	void	readlat(int);
182 extern	double	rise(Obj2*, double);
183 extern	int	rline(int);
184 extern	void	sat(void);
185 extern	void	uran(void);
186 extern	void	nept(void);
187 extern	void	plut(void);
188 extern	void	satel(double);
189 extern	void	satels(void);
190 extern	void	search(void);
191 extern	double	set(Obj2*, double);
192 extern	void	set3pt(Obj2*, int, Occ*);
193 extern	void	setime(double);
194 extern	void	setobj(Obj1*);
195 extern	void	setpt(Occ*, double);
196 extern	void	shad(void);
197 extern	double	sinadd(int, double, ...);
198 extern	double	sinx(double, int, int, int, int, double);
199 extern	char*	skip(int);
200 extern	double	solstice(int);
201 extern	void	star(void);
202 extern	void	stars(void);
203 #undef sun
204 #define sun astrosun	/* not the machine! */
205 extern	void	sun(void);
206 extern	double	sunel(double);
207 extern	void	venus(void);
208 extern	int	vis(double, double, double, double);
209 extern	void	comet(void);
210 extern	int	Rconv(Fmt*);
211 extern	int	Dconv(Fmt*);
212 extern	double	etdate(long, int, double);