ref: 8188b4f4f0e07b6669e6ae3c6c1099af917eaab4
dir: /sys/src/cmd/astro/astro.h/
#include <u.h>
#include <libc.h>
#pragma varargck type "R" double
#pragma varargck type "D" double
typedef struct Obj1 Obj1;
typedef struct Obj2 Obj2;
typedef struct Obj3 Obj3;
typedef struct Occ Occ;
typedef struct Event Event;
typedef struct Tim Tim;
typedef struct Moontab Moontab;
#define NPTS 12
#define PER 1.0
enum
{
DARK = 1<<0,
SIGNIF = 1<<1,
PTIME = 1<<2,
LIGHT = 1<<3,
};
struct Obj1
{
double ra;
double decl2;
double semi2;
double az;
double el;
double mag;
};
struct Obj2
{
char* name;
char* name1;
void (*obj)(void);
Obj1 point[NPTS+2];
};
struct Obj3
{
double t1;
double e1;
double t2;
double e2;
double t3;
double e3;
double t4;
double e4;
double t5;
double e5;
};
struct Event
{
char* format;
char* arg1;
char* arg2;
double tim;
int flag;
};
struct Moontab
{
double f;
char c[4];
};
struct Occ
{
Obj1 act;
Obj1 del0;
Obj1 del1;
Obj1 del2;
};
struct Tim
{
double ifa[5];
char tz[4];
};
double converge;
char flags[128];
int nperiods;
double wlong, awlong, nlat, elev;
double obliq, phi, eps, tobliq;
double dphi, deps;
double day, deld, per;
double eday, capt, capt2, capt3, gst;
double pi, pipi, radian, radsec, deltat;
double erad, glat;
double xms, yms, zms;
double xdot, ydot, zdot;
double ecc, incl, node, argp, mrad, anom, motion;
double lambda, beta, rad, mag, semi;
double alpha, delta, rp, hp;
double ra, decl, semi2;
double lha, decl2, lmb2;
double az, el;
double meday, seday, mhp, salph, sdelt, srad;
double* cafp;
char* cacp;
double rah, ram, ras, dday, dmin, dsec;
long sao;
double da, dd, px, epoch;
char line[100];
Obj2 osun;
Obj2 omoon;
Obj2 oshad;
Obj2 omerc;
Obj2 ovenus;
Obj2 omars;
Obj2 osat;
Obj2 ouran;
Obj2 onept;
Obj2 oplut;
Obj2 ojup;
Obj2 ostar;
Obj2 ocomet;
Obj3 occ;
Obj2* eobj1;
Obj2* eobj2;
char* startab;
extern int dmo[];
extern Obj2* objlst[];
extern double venfp[];
extern char vencp[];
extern double sunfp[];
extern char suncp[];
extern double mercfp[];
extern char merccp[];
extern double nutfp[];
extern char nutcp[];
extern Moontab moontab[];
extern void args(int, char**);
extern void bdtsetup(double, Tim*);
extern double betcross(double);
extern double convdate(Tim*);
extern double cosadd(int, double, ...);
extern double cosx(double, int, int, int, int, double);
extern double dist(Obj1*, Obj1*);
extern double dsrc(double, Tim*, int);
extern void dtsetup(double, Tim*);
extern int evcomp(void*, void*);
extern void event(char*, char*, char*, double, int);
extern void evflush(void);
extern double fmod(double, double);
extern void fstar(void);
extern void fsun(void);
extern void geo(void);
extern void helio(void);
extern void icosadd(double*, char*);
extern void init(void);
extern void jup(void);
extern int lastsun(Tim*, int);
extern void main(int, char**);
extern void mars(void);
extern double melong(Obj2*);
extern void merc(void);
extern void moon(void);
extern void numb(int);
extern void nutate(void);
extern void occult(Obj2*, Obj2*, double);
extern void output(char*, Obj1*);
extern void pdate(double);
extern double pinorm(double);
extern void ptime(double);
extern void pstime(double);
extern double pyth(double);
extern double readate(void);
extern double readdt(void);
extern void readlat(int);
extern double rise(Obj2*, double);
extern int rline(int);
extern void sat(void);
extern void uran(void);
extern void nept(void);
extern void plut(void);
extern void satel(double);
extern void satels(void);
extern void search(void);
extern double set(Obj2*, double);
extern void set3pt(Obj2*, int, Occ*);
extern void setime(double);
extern void setobj(Obj1*);
extern void setpt(Occ*, double);
extern void shad(void);
extern double sinadd(int, double, ...);
extern double sinx(double, int, int, int, int, double);
extern char* skip(int);
extern double solstice(int);
extern void star(void);
extern void stars(void);
extern void sun(void);
extern double sunel(double);
extern void venus(void);
extern int vis(double, double, double, double);
extern void comet(void);
extern int Rconv(Fmt*);
extern int Dconv(Fmt*);
extern double etdate(long, int, double);