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Reindented Swiss Ephemeris source files for better reabability

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This commit is contained in:
Gergely Polonkai 2013-08-12 17:14:09 +02:00
parent b47bc9b4fb
commit b1b99e0302
22 changed files with 31520 additions and 29124 deletions
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1185
swe/src/swecl.c
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File diff suppressed because it is too large Load Diff

94
swe/src/swedate.c
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@ -1,3 +1,4 @@
/*********************************************************
$Header: /home/dieter/sweph/RCS/swedate.c,v 1.75 2009/04/08 07:17:29 dieter Exp $
version 15-feb-89 16:30
@ -7,6 +8,7 @@
swe_julday()
************************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -89,9 +91,8 @@
static AS_BOOL init_leapseconds_done = FALSE;
int FAR PASCAL_CONV swe_date_conversion(int y,
int m,
int d, /* day, month, year */
int FAR PASCAL_CONV
swe_date_conversion(int y, int m, int d, /* day, month, year */
double uttime, /* UT in hours (decimal) */
char c, /* calendar g[regorian]|j[ulian] */
double *tjd)
@ -107,7 +108,8 @@ int FAR PASCAL_CONV swe_date_conversion(int y,
*tjd = jd;
if (rmon == m && rday == d && ryear == y) {
return OK;
} else {
}
else {
return ERR;
}
} /* end date_conversion */
@ -161,23 +163,28 @@ int FAR PASCAL_CONV swe_date_conversion(int y,
and notifies errors like 32 January.
****************************************************************/
double FAR PASCAL_CONV swe_julday(int year, int month, int day, double hour, int gregflag)
double FAR PASCAL_CONV
swe_julday(int year, int month, int day, double hour, int gregflag)
{
double jd;
double u, u0, u1, u2;
u = year;
if (month < 3) u -=1;
if (month < 3)
u -= 1;
u0 = u + 4712.0;
u1 = month + 1.0;
if (u1 < 4) u1 += 12.0;
if (u1 < 4)
u1 += 12.0;
jd = floor(u0 * 365.25)
+ floor(30.6 * u1 + 0.000001)
+ day + hour / 24.0 - 63.5;
if (gregflag == SE_GREG_CAL) {
u2 = floor(fabs(u) / 100) - floor(fabs(u) / 400);
if (u < 0.0) u2 = -u2;
if (u < 0.0)
u2 = -u2;
jd = jd - u2 + 2;
if ((u < 0.0) && (u/100 == floor(u/100)) && (u/400 != floor(u/400)))
if ((u < 0.0) && (u / 100 == floor(u / 100))
&& (u / 400 != floor(u / 400)))
jd -= 1;
}
return jd;
@ -202,21 +209,24 @@ double FAR PASCAL_CONV swe_julday(int year, int month, int day, double hour, int
Original author Mark Pottenger, Los Angeles.
with bug fix for year < -4711 16-aug-88 Alois Treindl
*************************************************************************/
void FAR PASCAL_CONV swe_revjul (double jd, int gregflag,
int *jyear, int *jmon, int *jday, double *jut)
void FAR PASCAL_CONV
swe_revjul(double jd, int gregflag, int *jyear, int *jmon, int *jday,
double *jut)
{
double u0, u1, u2, u3, u4;
u0 = jd + 32082.5;
if (gregflag == SE_GREG_CAL) {
u1 = u0 + floor(u0 / 36525.0) - floor(u0 / 146100.0) - 38.0;
if (jd >= 1830691.5) u1 +=1;
if (jd >= 1830691.5)
u1 += 1;
u0 = u0 + floor(u1 / 36525.0) - floor(u1 / 146100.0) - 38.0;
}
u2 = floor(u0 + 123.0);
u3 = floor((u2 - 122.2) / 365.25);
u4 = floor((u2 - floor(365.25 * u3)) / 30.6001);
*jmon = (int)(u4 - 1.0);
if (*jmon > 12) *jmon -= 12;
if (*jmon > 12)
*jmon -= 12;
*jday = (int)(u2 - floor(365.25 * u3) - floor(30.6001 * u4));
*jyear = (int)(u3 + floor((u4 - 2.0) / 12.0) - 4800);
*jut = (jd - floor(jd + 0.5) + 0.5) * 24.0;
@ -236,13 +246,11 @@ void FAR PASCAL_CONV swe_revjul (double jd, int gregflag,
* For conversion from local time to utc, use +d_timezone.
* For conversion from utc to local time, use -d_timezone.
*/
void FAR PASCAL_CONV swe_utc_time_zone(
int32 iyear, int32 imonth, int32 iday,
int32 ihour, int32 imin, double dsec,
double d_timezone,
void FAR PASCAL_CONV
swe_utc_time_zone(int32 iyear, int32 imonth, int32 iday, int32 ihour,
int32 imin, double dsec, double d_timezone,
int32 * iyear_out, int32 * imonth_out, int32 * iday_out,
int32 *ihour_out, int32 *imin_out, double *dsec_out
)
int32 * ihour_out, int32 * imin_out, double *dsec_out)
{
double tjd, d;
AS_BOOL have_leapsec = FALSE;
@ -305,12 +313,14 @@ static int leap_seconds[NLEAP_SECONDS_SPACE] = {
20081231,
0 /* keep this 0 as end mark */
};
#define J1972 2441317.5
#define NLEAP_INIT 10
/* Read additional leap second dates from external file, if given.
*/
static int init_leapsec(void)
static int
init_leapsec(void)
{
FILE *fp;
int ndat, ndat_last;
@ -323,11 +333,13 @@ static int init_leapsec(void)
tabsiz = NLEAP_SECONDS;
ndat_last = leap_seconds[NLEAP_SECONDS - 1];
/* no error message if file is missing */
if ((fp = swi_fopen(-1, "seleapsec.txt", swed.ephepath, NULL)) == NULL)
if ((fp =
swi_fopen(-1, "seleapsec.txt", swed.ephepath, NULL)) == NULL)
return NLEAP_SECONDS;
while (fgets(s, AS_MAXCH, fp) != NULL) {
sp = s;
while (*sp == ' ' || *sp == '\t') sp++;
while (*sp == ' ' || *sp == '\t')
sp++;
sp++;
if (*sp == '#' || *sp == '\n')
continue;
@ -340,7 +352,8 @@ static int init_leapsec(void)
leap_seconds[tabsiz] = ndat;
tabsiz++;
}
if (tabsiz > NLEAP_SECONDS) leap_seconds[tabsiz] = 0; /* end mark */
if (tabsiz > NLEAP_SECONDS)
leap_seconds[tabsiz] = 0; /* end mark */
fclose(fp);
return tabsiz;
}
@ -374,7 +387,9 @@ static int init_leapsec(void)
* the leap seconds table (or the Swiss Ephemeris version) is not updated
* for a long time.
*/
int32 FAR PASCAL_CONV swe_utc_to_jd(int32 iyear, int32 imonth, int32 iday, int32 ihour, int32 imin, double dsec, int32 gregflag, double *dret, char *serr)
int32 FAR PASCAL_CONV
swe_utc_to_jd(int32 iyear, int32 imonth, int32 iday, int32 ihour, int32 imin,
double dsec, int32 gregflag, double *dret, char *serr)
{
double tjd_ut1, tjd_et, tjd_et_1972, dhour, d;
int iyear2, imonth2, iday2;
@ -386,13 +401,13 @@ int32 FAR PASCAL_CONV swe_utc_to_jd(int32 iyear, int32 imonth, int32 iday, int32
swe_revjul(tjd_ut1, gregflag, &iyear2, &imonth2, &iday2, &d);
if (iyear != iyear2 || imonth != imonth2 || iday != iday2) {
if (serr != NULL)
sprintf(serr, "invalid date: year = %d, month = %d, day = %d", iyear, imonth, iday);
sprintf(serr, "invalid date: year = %d, month = %d, day = %d",
iyear, imonth, iday);
return ERR;
}
if (ihour < 0 || ihour > 23
|| imin < 0 || imin > 59
|| dsec < 0 || dsec >= 61
|| (dsec >= 60 && (imin < 59 || ihour < 23 || tjd_ut1 < J1972))) {
if (ihour < 0 || ihour > 23 || imin < 0 || imin > 59 || dsec < 0
|| dsec >= 61 || (dsec >= 60
&& (imin < 59 || ihour < 23 || tjd_ut1 < J1972))) {
if (serr != NULL)
sprintf(serr, "invalid time: %d:%d:%.2f", ihour, imin, dsec);
return ERR;
@ -449,7 +464,8 @@ int32 FAR PASCAL_CONV swe_utc_to_jd(int32 iyear, int32 imonth, int32 iday, int32
}
if (j != 1) {
if (serr != NULL)
sprintf(serr, "invalid time (no leap second!): %d:%d:%.2f", ihour, imin, dsec);
sprintf(serr, "invalid time (no leap second!): %d:%d:%.2f",
ihour, imin, dsec);
return ERR;
}
}
@ -484,7 +500,9 @@ int32 FAR PASCAL_CONV swe_utc_to_jd(int32 iyear, int32 imonth, int32 iday, int32
* the leap seconds table (or the Swiss Ephemeris version) has not been
* updated for a long time.
*/
void FAR PASCAL_CONV swe_jdet_to_utc(double tjd_et, int32 gregflag, int32 *iyear, int32 *imonth, int32 *iday, int32 *ihour, int32 *imin, double *dsec)
void FAR PASCAL_CONV
swe_jdet_to_utc(double tjd_et, int32 gregflag, int32 * iyear, int32 * imonth,
int32 * iday, int32 * ihour, int32 * imin, double *dsec)
{
int i;
int second_60 = 0;
@ -526,18 +544,22 @@ void FAR PASCAL_CONV swe_jdet_to_utc(double tjd_et, int32 gregflag, int32 *iyear
iday2 = i % 100;
tjd = swe_julday(iyear2, imonth2, iday2, 0, SE_GREG_CAL);
swe_revjul(tjd + 1, SE_GREG_CAL, &iyear2, &imonth2, &iday2, &d);
swe_utc_to_jd(iyear2,imonth2,iday2, 0, 0, 0, SE_GREG_CAL, dret, NULL);
swe_utc_to_jd(iyear2, imonth2, iday2, 0, 0, 0, SE_GREG_CAL, dret,
NULL);
d = tjd_et - dret[0];
if (d >= 0) {
nleap++;
} else if (d < 0 && d > -1.0/86400.0) {
}
else if (d < 0 && d > -1.0 / 86400.0) {
second_60 = 1;
}
}
/*
* UTC, still unsure about one leap second
*/
tjd = J1972 + (tjd_et - tjd_et_1972) - ((double) nleap + second_60) / 86400.0;
tjd =
J1972 + (tjd_et - tjd_et_1972) - ((double)nleap +
second_60) / 86400.0;
swe_revjul(tjd, SE_GREG_CAL, iyear, imonth, iday, &d);
*ihour = (int32) d;
d -= (double)*ihour;
@ -580,7 +602,9 @@ void FAR PASCAL_CONV swe_jdet_to_utc(double tjd_et, int32 gregflag, int32 *iyear
* the leap seconds table (or the Swiss Ephemeris version) has not been
* updated for a long time.
*/
void FAR PASCAL_CONV swe_jdut1_to_utc(double tjd_ut, int32 gregflag, int32 *iyear, int32 *imonth, int32 *iday, int32 *ihour, int32 *imin, double *dsec)
void FAR PASCAL_CONV
swe_jdut1_to_utc(double tjd_ut, int32 gregflag, int32 * iyear, int32 * imonth,
int32 * iday, int32 * ihour, int32 * imin, double *dsec)
{
double tjd_et = tjd_ut + swe_deltat(tjd_ut);
swe_jdet_to_utc(tjd_et, gregflag, iyear, imonth, iday, ihour, imin, dsec);

19
swe/src/swedate.h
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@ -1,3 +1,4 @@
/*********************************************************
$Header: /home/dieter/sweph/RCS/swedate.h,v 1.74 2008/06/16 10:07:20 dieter Exp $
version 15-feb-89 16:30
@ -58,24 +59,26 @@
*/
#ifdef __cplusplus
extern "C" {
extern "C"
{
#endif
#ifndef _SWEDLL_H
extern EXP32 int FAR PASCAL_CONV EXP16 swe_date_conversion (
int y , int m , int d , /* year, month, day */
extern EXP32 int FAR PASCAL_CONV EXP16 swe_date_conversion(int y, int m, int d, /* year, month, day */
double utime, /* universal time in hours (decimal) */
char c, /* calendar g[regorian]|j[ulian]|a[stro = greg] */
double *tgmt);
extern EXP32 double *FAR PASCAL_CONV EXP16 swe_julday(
int year, int month, int day, double hour,
extern EXP32 double *FAR PASCAL_CONV EXP16 swe_julday(int year, int month,
int day,
double hour,
int gregflag);
extern EXP32 void FAR PASCAL_CONV EXP16 swe_revjul (
double jd,
extern EXP32 void FAR PASCAL_CONV EXP16 swe_revjul(double jd,
int gregflag,
int *jyear, int *jmon, int *jday, double *jut);
int *jyear, int *jmon,
int *jday,
double *jut);
#endif
#ifdef __cplusplus
} /* extern C */

659
swe/src/swedll.h
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@ -1,3 +1,4 @@
/* SWISSEPH
* $Header: /home/dieter/sweph/RCS/swedll.h,v 1.75 2009/04/08 07:19:08 dieter Exp $
*
@ -5,6 +6,7 @@
*
**************************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -59,277 +61,358 @@
for promoting such software, products or services.
*/
/* $Id: swedll.h,v 1.75 2009/04/08 07:19:08 dieter Exp $ */
#ifdef __cplusplus
extern "C" {
#endif
extern "C"
{
#endif /* */
#ifndef _SWEDLL_H
#define _SWEDLL_H
#ifndef _SWEPHEXP_INCLUDED
#include "swephexp.h"
#endif
#endif /* */
#ifdef USE_DLL16 /* 16bit DLL */
#define DllImport extern
#else
#else /* */
#ifdef __cplusplus
#define DllImport extern "C" __declspec( dllimport )
# else
#else /* */
#define DllImport __declspec( dllimport )
# endif
#endif
#endif /* */
#endif /* */
DllImport int32 FAR PASCAL swe_heliacal_ut(double JDNDaysUTStart,
double *geopos, double *datm,
double *dobs,
char *ObjectName,
int32 TypeEvent, int32 iflag,
double *dret, char *serr);
DllImport int32 FAR PASCAL swe_heliacal_pheno_ut(double JDNDaysUT,
double *geopos,
double *datm,
double *dobs,
char *ObjectName,
int32 TypeEvent,
int32 helflag,
double *darr,
char *serr);
DllImport int32 FAR PASCAL swe_vis_limit_mag(double tjdut,
double *geopos,
double *datm, double *dobs,
char *ObjectName,
int32 helflag,
double *dret, char *serr);
DllImport int32 FAR PASCAL swe_heliacal_ut(double JDNDaysUTStart, double *geopos, double *datm, double *dobs, char *ObjectName, int32 TypeEvent, int32 iflag, double *dret, char *serr);
DllImport int32 FAR PASCAL swe_heliacal_pheno_ut(double JDNDaysUT, double *geopos, double *datm, double *dobs, char *ObjectName, int32 TypeEvent, int32 helflag, double *darr, char *serr);
DllImport int32 FAR PASCAL swe_vis_limit_mag(double tjdut, double *geopos, double *datm, double *dobs, char *ObjectName, int32 helflag, double *dret, char *serr);
/* the following are secret, for Victor Reijs' */
DllImport int32 FAR PASCAL swe_heliacal_angle(double tjdut, double *dgeo, double *datm, double *dobs, int32 helflag, double mag, double azi_obj, double azi_sun, double azi_moon, double alt_moon, double *dret, char *serr);
DllImport int32 FAR PASCAL swe_topo_arcus_visionis(double tjdut, double *dgeo, double *datm, double *dobs, int32 helflag, double mag, double azi_obj, double alt_obj, double azi_sun, double azi_moon, double alt_moon, double *dret, char *serr);
DllImport int32 FAR PASCAL swe_heliacal_angle(double tjdut,
double *dgeo,
double *datm,
double *dobs,
int32 helflag, double mag,
double azi_obj,
double azi_sun,
double azi_moon,
double alt_moon,
double *dret, char *serr);
DllImport int32 FAR PASCAL swe_topo_arcus_visionis(double tjdut,
double *dgeo,
double *datm,
double *dobs,
int32 helflag,
double mag,
double azi_obj,
double alt_obj,
double azi_sun,
double azi_moon,
double alt_moon,
double *dret,
char *serr);
DllImport double FAR PASCAL swe_degnorm(double deg);
DllImport char *FAR PASCAL swe_version(char *);
DllImport int32 FAR PASCAL swe_calc(
double tjd, int ipl, int32 iflag,
double *xx,
DllImport int32 FAR PASCAL swe_calc( double tjd, int ipl, int32 iflag,
double *xx, char *serr);
DllImport int32 FAR PASCAL swe_calc_ut( double tjd_ut, int32 ipl,
int32 iflag, double *xx,
char *serr);
DllImport int32 FAR PASCAL swe_calc_ut(
double tjd_ut, int32 ipl, int32 iflag,
double *xx,
DllImport int32 FAR PASCAL swe_fixstar( char *star, double tjd,
int32 iflag, double *xx,
char *serr);
DllImport int32 FAR PASCAL swe_fixstar(
char *star, double tjd, int32 iflag,
double *xx,
DllImport int32 FAR PASCAL swe_fixstar_ut( char *star, double tjd_ut,
int32 iflag, double *xx,
char *serr);
DllImport int32 FAR PASCAL swe_fixstar_ut(
char *star, double tjd_ut, int32 iflag,
double *xx,
DllImport int32 FAR PASCAL swe_fixstar_mag( char *star, double *xx,
char *serr);
DllImport int32 FAR PASCAL swe_fixstar_mag(
char *star, double *xx, char *serr);
DllImport double FAR PASCAL swe_sidtime0(double tjd_ut, double ecl, double nut);
DllImport double FAR PASCAL swe_sidtime0(double tjd_ut, double ecl,
double nut);
DllImport double FAR PASCAL swe_sidtime(double tjd_ut);
DllImport double FAR PASCAL swe_deltat(double tjd);
DllImport int FAR PASCAL swe_houses(
double tjd_ut, double geolat, double geolon, int hsys,
DllImport int FAR PASCAL swe_houses( double tjd_ut, double geolat,
double geolon, int hsys,
double *hcusps, double *ascmc);
DllImport int FAR PASCAL swe_houses_ex(
double tjd_ut, int32 iflag, double geolat, double geolon, int hsys,
double *hcusps, double *ascmc);
DllImport int FAR PASCAL swe_houses_armc(
double armc, double geolat, double eps, int hsys,
double *hcusps, double *ascmc);
DllImport double FAR PASCAL swe_house_pos(
double armc, double geolon, double eps, int hsys, double *xpin, char *serr);
DllImport int32 FAR PASCAL swe_gauquelin_sector(
double t_ut, int32 ipl, char *starname, int32 iflag, int32 imeth, double *geopos, double atpress, double attemp, double *dgsect, char *serr);
DllImport void FAR PASCAL swe_set_sid_mode(
int32 sid_mode, double t0, double ayan_t0);
DllImport int FAR PASCAL swe_houses_ex( double tjd_ut, int32 iflag,
double geolat, double geolon,
int hsys, double *hcusps,
double *ascmc);
DllImport int FAR PASCAL swe_houses_armc( double armc, double geolat,
double eps, int hsys,
double *hcusps,
double *ascmc);
DllImport double FAR PASCAL swe_house_pos( double armc, double geolon,
double eps, int hsys,
double *xpin, char *serr);
DllImport int32 FAR PASCAL swe_gauquelin_sector( double t_ut, int32 ipl,
char *starname,
int32 iflag,
int32 imeth,
double *geopos,
double atpress,
double attemp,
double *dgsect,
char *serr);
DllImport void FAR PASCAL swe_set_sid_mode( int32 sid_mode, double t0,
double ayan_t0);
DllImport double FAR PASCAL swe_get_ayanamsa(double tjd_et);
DllImport double FAR PASCAL swe_get_ayanamsa_ut(double tjd_ut);
DllImport char *FAR PASCAL swe_get_ayanamsa_name(int32 isidmode);
DllImport int FAR PASCAL swe_date_conversion(
int y , int m , int d , /* year, month, day */
DllImport int FAR PASCAL swe_date_conversion( int y, int m, int d, /* year, month, day */
double utime, /* universal time in hours (decimal) */
char c, /* calendar g[regorian]|j[ulian]|a[stro = greg] */
double *tjd);
DllImport double FAR PASCAL swe_julday(
int year, int mon, int mday,
double hour,
int gregflag);
DllImport void FAR PASCAL swe_revjul(
double jd, int gregflag,
DllImport double FAR PASCAL swe_julday( int year, int mon, int mday,
double hour, int gregflag);
DllImport void FAR PASCAL swe_revjul( double jd, int gregflag,
int *year, int *mon, int *mday,
double *hour);
DllImport void FAR PASCAL swe_utc_time_zone(
int32 iyear, int32 imonth, int32 iday,
int32 ihour, int32 imin, double dsec,
DllImport void FAR PASCAL swe_utc_time_zone( int32 iyear, int32 imonth,
int32 iday, int32 ihour,
int32 imin, double dsec,
double d_timezone,
int32 *iyear_out, int32 *imonth_out, int32 *iday_out,
int32 *ihour_out, int32 *imin_out, double *dsec_out);
DllImport int32 FAR PASCAL swe_utc_to_jd(
int32 iyear, int32 imonth, int32 iday,
int32 ihour, int32 imin, double dsec,
int32 gregflag, double *dret, char *serr);
DllImport void FAR PASCAL swe_jdet_to_utc(
double tjd_et, int32 gregflag,
int32 *iyear, int32 *imonth, int32 *iday,
int32 *ihour, int32 *imin, double *dsec);
DllImport void FAR PASCAL swe_jdut1_to_utc(
double tjd_ut, int32 gregflag,
int32 *iyear, int32 *imonth, int32 *iday,
int32 *ihour, int32 *imin, double *dsec);
DllImport int FAR PASCAL swe_time_equ(
double tjd, double *e, char *serr);
int32 * iyear_out,
int32 * imonth_out,
int32 * iday_out,
int32 * ihour_out,
int32 * imin_out,
double *dsec_out);
DllImport int32 FAR PASCAL swe_utc_to_jd( int32 iyear, int32 imonth,
int32 iday, int32 ihour,
int32 imin, double dsec,
int32 gregflag, double *dret,
char *serr);
DllImport void FAR PASCAL swe_jdet_to_utc( double tjd_et,
int32 gregflag,
int32 * iyear,
int32 * imonth, int32 * iday,
int32 * ihour, int32 * imin,
double *dsec);
DllImport void FAR PASCAL swe_jdut1_to_utc( double tjd_ut,
int32 gregflag,
int32 * iyear,
int32 * imonth, int32 * iday,
int32 * ihour, int32 * imin,
double *dsec);
DllImport int FAR PASCAL swe_time_equ( double tjd, double *e,
char *serr);
DllImport double FAR PASCAL swe_get_tid_acc(void);
DllImport void FAR PASCAL swe_set_tid_acc(double tidacc);
DllImport void FAR PASCAL swe_set_ephe_path(char *path);
DllImport void FAR PASCAL swe_set_jpl_file(char *fname);
DllImport void FAR PASCAL swe_close(void);
DllImport char *FAR PASCAL swe_get_planet_name(int ipl, char *spname);
DllImport void FAR PASCAL swe_cotrans(double *xpo, double *xpn, double eps);
DllImport void FAR PASCAL swe_cotrans_sp(double *xpo, double *xpn, double eps);
DllImport void FAR PASCAL swe_cotrans(double *xpo, double *xpn,
double eps);
DllImport void FAR PASCAL swe_cotrans_sp(double *xpo, double *xpn,
double eps);
DllImport void FAR PASCAL swe_set_topo(double geolon, double geolat,
double height);
DllImport void FAR PASCAL swe_set_topo(double geolon, double geolat, double height);
/****************************
* from swecl.c
****************************/
/* computes geographic location and attributes of solar
* eclipse at a given tjd */
DllImport int32 FAR PASCAL swe_sol_eclipse_where(double tjd, int32 ifl, double *geopos, double *attr, char *serr);
DllImport int32 FAR PASCAL swe_lun_occult_where(double tjd, int32 ipl, char *starname, int32 ifl, double *geopos, double *attr, char *serr);
/* computes attributes of a solar eclipse for given tjd, geolon, geolat */
DllImport int32 FAR PASCAL swe_sol_eclipse_how(double tjd, int32 ifl, double *geopos, double *attr, char *serr);
/* finds time of next local eclipse */
DllImport int32 FAR PASCAL swe_sol_eclipse_when_loc(double tjd_start, int32 ifl, double *geopos, double *tret, double *attr, int32 backward, char *serr);
DllImport int32 FAR PASCAL swe_lun_occult_when_loc(double tjd_start, int32 ipl, char *starname, int32 ifl, double *geopos, double *tret, double *attr, int32 backward, char *serr);
/* finds time of next eclipse globally */
DllImport int32 FAR PASCAL swe_sol_eclipse_when_glob(double tjd_start, int32 ifl, int32 ifltype, double *tret, int32 backward, char *serr);
/* finds time of next occultation globally */
DllImport int32 FAR PASCAL swe_lun_occult_when_glob(double tjd_start, int32 ipl, char *starname, int32 ifl, int32 ifltype, double *tret, int32 backward, char *serr);
/* computes attributes of a lunar eclipse for given tjd */
DllImport int32 FAR PASCAL swe_lun_eclipse_how(
double tjd_ut,
DllImport int32 FAR PASCAL swe_sol_eclipse_where(double tjd, int32 ifl,
double *geopos,
double *attr,
char *serr);
DllImport int32 FAR PASCAL swe_lun_occult_where(double tjd, int32 ipl,
char *starname,
int32 ifl,
double *geopos,
double *attr,
char *serr);
DllImport int32 FAR PASCAL swe_lun_eclipse_when(double tjd_start, int32 ifl, int32 ifltype, double *tret, int32 backward, char *serr);
/* computes attributes of a solar eclipse for given tjd, geolon, geolat */
DllImport int32 FAR PASCAL swe_sol_eclipse_how(double tjd, int32 ifl,
double *geopos,
double *attr,
char *serr);
/* finds time of next local eclipse */
DllImport int32 FAR PASCAL swe_sol_eclipse_when_loc(double tjd_start,
int32 ifl,
double *geopos,
double *tret,
double *attr,
int32 backward,
char *serr);
DllImport int32 FAR PASCAL swe_lun_occult_when_loc(double tjd_start,
int32 ipl,
char *starname,
int32 ifl,
double *geopos,
double *tret,
double *attr,
int32 backward,
char *serr);
/* finds time of next eclipse globally */
DllImport int32 FAR PASCAL swe_sol_eclipse_when_glob(double tjd_start,
int32 ifl,
int32 ifltype,
double *tret,
int32 backward,
char *serr);
/* finds time of next occultation globally */
DllImport int32 FAR PASCAL swe_lun_occult_when_glob(double tjd_start,
int32 ipl,
char *starname,
int32 ifl,
int32 ifltype,
double *tret,
int32 backward,
char *serr);
/* computes attributes of a lunar eclipse for given tjd */
DllImport int32 FAR PASCAL swe_lun_eclipse_how( double tjd_ut,
int32 ifl,
double *geopos,
double *attr,
char *serr);
DllImport int32 FAR PASCAL swe_lun_eclipse_when(double tjd_start,
int32 ifl,
int32 ifltype,
double *tret,
int32 backward,
char *serr);
/* planetary phenomena */
DllImport int32 FAR PASCAL swe_pheno(double tjd, int32 ipl, int32 iflag,
double *attr, char *serr);
DllImport int32 FAR PASCAL swe_pheno_ut(double tjd_ut, int32 ipl, int32 iflag, double *attr, char *serr);
DllImport double FAR PASCAL swe_refrac(double inalt, double atpress, double attemp, int32 calc_flag);
DllImport double FAR PASCAL swe_refrac_extended(double inalt, double geoalt, double atpress, double attemp, double lapse_rate, int32 calc_flag, double *dret);
DllImport void FAR PASCAL swe_set_lapse_rate(double lapse_rate);
DllImport void FAR PASCAL swe_azalt(
double tjd_ut,
DllImport int32 FAR PASCAL swe_pheno_ut(double tjd_ut, int32 ipl,
int32 iflag, double *attr,
char *serr);
DllImport double FAR PASCAL swe_refrac(double inalt, double atpress,
double attemp, int32 calc_flag);
DllImport double FAR PASCAL swe_refrac_extended(double inalt,
double geoalt,
double atpress,
double attemp,
double lapse_rate,
int32 calc_flag,
double *dret);
DllImport void FAR PASCAL swe_set_lapse_rate(double lapse_rate);
DllImport void FAR PASCAL swe_azalt( double tjd_ut, int32 calc_flag,
double *geopos, double atpress,
double attemp, double *xin,
double *xaz);
DllImport void FAR PASCAL swe_azalt_rev( double tjd_ut,
int32 calc_flag,
double *geopos, double *xin,
double *xout);
DllImport int32 FAR PASCAL swe_rise_trans( double tjd_ut, int32 ipl,
char *starname,
int32 epheflag, int32 rsmi,
double *geopos,
double atpress,
double attemp, double *tret,
char *serr);
DllImport int32 FAR PASCAL swe_rise_trans_true_hor( double tjd_ut,
int32 ipl,
char *starname,
int32 epheflag,
int32 rsmi,
double *geopos,
double atpress,
double attemp,
double *xin,
double *xaz);
DllImport void FAR PASCAL swe_azalt_rev(
double tjd_ut,
int32 calc_flag,
double *geopos,
double *xin,
double *xout);
DllImport int32 FAR PASCAL swe_rise_trans(
double tjd_ut, int32 ipl, char *starname,
int32 epheflag, int32 rsmi,
double *geopos,
double atpress, double attemp,
double *tret,
char *serr);
DllImport int32 FAR PASCAL swe_rise_trans_true_hor(
double tjd_ut, int32 ipl, char *starname,
int32 epheflag, int32 rsmi,
double *geopos,
double atpress, double attemp,
double horhgt,
double *tret,
char *serr);
DllImport int32 FAR PASCAL swe_nod_aps(double tjd_et, int32 ipl, int32 iflag,
int32 method,
DllImport int32 FAR PASCAL swe_nod_aps(double tjd_et, int32 ipl,
int32 iflag, int32 method,
double *xnasc, double *xndsc,
double *xperi, double *xaphe,
char *serr);
DllImport int32 FAR PASCAL swe_nod_aps_ut(double tjd_ut, int32 ipl,
int32 iflag, int32 method,
double *xnasc, double *xndsc,
double *xperi, double *xaphe,
char *serr);
DllImport int32 FAR PASCAL swe_nod_aps_ut(double tjd_ut, int32 ipl, int32 iflag,
int32 method,
double *xnasc, double *xndsc,
double *xperi, double *xaphe,
char *serr);
/*DllImport int32 FAR PASCAL HeliacalAngle(double Magn, double Age, int SN, double AziO, double AltM, double AziM, double JDNDaysUT, double AziS, double Lat, double HeightEye, double Temperature, double Pressure, double RH, double VR, double *dangret, char *serr);
DllImport int32 FAR PASCAL HeliacalJDut(double JDNDaysUTStart, double Age, int SN, double Lat, double Longitude, double HeightEye, double Temperature, double Pressure, double RH, double VR, char *ObjectName, int TypeEvent, char *AVkind, double *dret, char *serr);*/
/*******************************************************
* other functions from swephlib.c;
* they are not needed for Swiss Ephemeris,
* but may be useful to former Placalc users.
********************************************************/
/* normalize argument into interval [0..DEG360] */
DllImport centisec FAR PASCAL swe_csnorm(centisec p);
/* distance in centisecs p1 - p2 normalized to [0..360[ */
DllImport centisec FAR PASCAL swe_difcsn(centisec p1, centisec p2);
DllImport double FAR PASCAL swe_difdegn(double p1, double p2);
/* distance in centisecs p1 - p2 normalized to [-180..180[ */
DllImport centisec FAR PASCAL swe_difcs2n(centisec p1, centisec p2);
DllImport double FAR PASCAL swe_difdeg2n(double p1, double p2);
DllImport double FAR PASCAL swe_difdeg2n(double p1, double p2);
DllImport double FAR PASCAL swe_difrad2n(double p1, double p2);
DllImport double FAR PASCAL swe_rad_midp(double x1, double x0);
DllImport double FAR PASCAL swe_deg_midp(double x1, double x0);
/* round second, but at 29.5959 always down */
DllImport centisec FAR PASCAL swe_csroundsec(centisec x);
/* double to int32 with rounding, no overflow check */
DllImport int32 FAR PASCAL swe_d2l(double x);
DllImport void FAR PASCAL swe_split_deg(double ddeg, int32 roundflag,
int32 * ideg, int32 * imin,
int32 * isec, double *dsecfr,
int32 * isgn);
DllImport void FAR PASCAL swe_split_deg(double ddeg, int32 roundflag, int32 *ideg, int32 *imin, int32 *isec, double *dsecfr, int32 *isgn);
/* monday = 0, ... sunday = 6 */
DllImport int FAR PASCAL swe_day_of_week(double jd);
DllImport char *FAR PASCAL swe_cs2timestr(CSEC t, int sep, AS_BOOL suppressZero, char *a);
DllImport char *FAR PASCAL swe_cs2lonlatstr(CSEC t, char pchar, char mchar, char *s);
DllImport char *FAR PASCAL swe_cs2timestr(CSEC t, int sep,
AS_BOOL suppressZero,
char *a);
DllImport char *FAR PASCAL swe_cs2lonlatstr(CSEC t, char pchar,
char mchar, char *s);
DllImport char *FAR PASCAL swe_cs2degstr(CSEC t, char *a);
@ -338,188 +421,198 @@ DllImport char *FAR PASCAL swe_cs2degstr(CSEC t, char *a);
* char -> char *
* void -> int
*/
DllImport int32 FAR PASCAL swe_calc_d(
double *tjd, int ipl, int32 iflag,
double *x,
DllImport int32 FAR PASCAL swe_calc_d( double *tjd, int ipl,
int32 iflag, double *x,
char *serr);
DllImport int32 FAR PASCAL swe_calc_ut_d(
double *tjd, int16 ipl, int32 iflag,
double *x,
DllImport int32 FAR PASCAL swe_calc_ut_d( double *tjd, int16 ipl,
int32 iflag, double *x,
char *serr);
DllImport int32 FAR PASCAL swe_fixstar_d(
char *star, double *tjd, int32 iflag,
double *x,
DllImport int32 FAR PASCAL swe_fixstar_d( char *star, double *tjd,
int32 iflag, double *x,
char *serr);
DllImport int32 FAR PASCAL swe_fixstar_ut_d(
char *star, double *tjd, int32 iflag,
double *x,
DllImport int32 FAR PASCAL swe_fixstar_ut_d( char *star, double *tjd,
int32 iflag, double *x,
char *serr);
DllImport int FAR PASCAL swe_close_d(int ivoid);
DllImport int FAR PASCAL swe_set_ephe_path_d(char *path);
DllImport int FAR PASCAL swe_set_jpl_file_d(char *fname);
DllImport char *FAR PASCAL swe_get_planet_name_d(int ipl, char *spname);
DllImport int FAR PASCAL swe_deltat_d(double *tjd, double *deltat);
DllImport int FAR PASCAL swe_sidtime0_d(double *tjd_ut, double *eps,
double *nut, double *sidt);
DllImport int FAR PASCAL swe_sidtime_d(double *tjd_ut, double *sidt);
DllImport int FAR PASCAL swe_set_sid_mode_d(
int32 sid_mode, double *t0, double *ayan_t0);
DllImport int FAR PASCAL swe_get_ayanamsa_d(double *tjd_et, double *ayan);
DllImport int FAR PASCAL swe_get_ayanamsa_ut_d(double *tjd_et, double *ayan);
DllImport int FAR PASCAL swe_cotrans_d(double *xpo, double *xpn, double *eps);
DllImport int FAR PASCAL swe_cotrans_sp_d(double *xpo, double *xpn, double *eps);
DllImport int FAR PASCAL swe_set_topo_d(double *geolon, double *geolat, double *height);
DllImport int FAR PASCAL swe_set_sid_mode_d( int32 sid_mode, double *t0,
double *ayan_t0);
DllImport int FAR PASCAL swe_get_ayanamsa_d(double *tjd_et,
double *ayan);
DllImport int FAR PASCAL swe_get_ayanamsa_ut_d(double *tjd_et,
double *ayan);
DllImport int FAR PASCAL swe_cotrans_d(double *xpo, double *xpn,
double *eps);
DllImport int FAR PASCAL swe_cotrans_sp_d(double *xpo, double *xpn,
double *eps);
DllImport int FAR PASCAL swe_set_topo_d(double *geolon, double *geolat,
double *height);
DllImport int FAR PASCAL swe_get_tid_acc_d(double *t_acc);
DllImport int FAR PASCAL swe_set_tid_acc_d(double *t_acc);
DllImport int FAR PASCAL swe_degnorm_d(double *x);
DllImport int FAR PASCAL swe_date_conversion_d(
int y , int m , int d , /* year, month, day */
DllImport int FAR PASCAL swe_date_conversion_d( int y, int m, int d, /* year, month, day */
double *utime, /* universal time in hours (decimal) */
char *c, /* calendar g[regorian]|j[ulian]|a[stro = greg] */
double *tjd);
DllImport int FAR PASCAL swe_julday_d(
int year, int month, int day, double *hour,
int gregflag, double *tjd);
DllImport int FAR PASCAL swe_revjul_d(
double *tjd,
int gregflag,
int *jyear, int *jmon, int *jday, double *jut);
DllImport int FAR PASCAL swe_houses_d(
double *tjd, double *geolat, double *geolon, int hsys,
DllImport int FAR PASCAL swe_julday_d( int year, int month, int day,
double *hour, int gregflag,
double *tjd);
DllImport int FAR PASCAL swe_revjul_d( double *tjd, int gregflag,
int *jyear, int *jmon, int *jday,
double *jut);
DllImport int FAR PASCAL swe_houses_d( double *tjd, double *geolat,
double *geolon, int hsys,
double *hcusps, double *ascmc);
DllImport int FAR PASCAL swe_houses_ex_d( double *tjd_ut, int32 iflag,
double *geolat, double *geolon,
int hsys, double *hcusps,
double *ascmc);
DllImport int FAR PASCAL swe_houses_armc_d( double *armc,
double *geolat, double *eps,
int hsys, double *hcusps,
double *ascmc);
DllImport int FAR PASCAL swe_house_pos_d( double *armc, double *geolon,
double *eps, int hsys,
double *xpin, double *hpos,
char *serr);
DllImport int FAR PASCAL swe_houses_ex_d(
double *tjd_ut, int32 iflag, double *geolat, double *geolon, int hsys,
double *hcusps, double *ascmc);
DllImport int FAR PASCAL swe_houses_armc_d(
double *armc, double *geolat, double *eps, int hsys,
double *hcusps, double *ascmc);
DllImport int FAR PASCAL swe_house_pos_d(
double *armc, double *geolon, double *eps, int hsys, double *xpin, double *hpos, char *serr);
/* normalize argument into interval [0..DEG360] */
DllImport centisec FAR PASCAL swe_csnorm_d(centisec p);
/* distance in centisecs p1 - p2 normalized to [0..360[ */
DllImport centisec FAR PASCAL swe_difcsn_d(centisec p1, centisec p2);
DllImport int FAR PASCAL swe_difdegn_d(double *p1, double *p2,
double *diff);
DllImport int FAR PASCAL swe_difdegn_d(double *p1, double *p2, double *diff);
/* distance in centisecs p1 - p2 normalized to [-180..180[ */
DllImport centisec FAR PASCAL swe_difcs2n_d(centisec p1, centisec p2);
DllImport int FAR PASCAL swe_difdeg2n_d(double *p1, double *p2,
double *diff);
DllImport int FAR PASCAL swe_difdeg2n_d(double *p1, double *p2, double *diff);
/* round second, but at 29.5959 always down */
DllImport centisec FAR PASCAL swe_csroundsec_d(centisec x);
/* double to int32 with rounding, no overflow check */
DllImport int32 FAR PASCAL swe_d2l_d(double *x);
DllImport int FAR PASCAL swe_split_deg_d(double *ddeg, int32 roundflag,
int32 * ideg, int32 * imin,
int32 * isec, double *dsecfr,
int32 * isgn);
DllImport int FAR PASCAL swe_split_deg_d(double *ddeg, int32 roundflag, int32 *ideg, int32 *imin, int32 *isec, double *dsecfr, int32 *isgn);
/* monday = 0, ... sunday = 6 */
DllImport int FAR PASCAL swe_day_of_week_d(double *jd);
DllImport char *FAR PASCAL swe_cs2timestr_d(CSEC t, int sep, AS_BOOL suppressZero, char *a);
DllImport char *FAR PASCAL swe_cs2lonlatstr_d(CSEC t, char *pchar, char *mchar, char *s);
DllImport char *FAR PASCAL swe_cs2timestr_d(CSEC t, int sep,
AS_BOOL suppressZero,
char *a);
DllImport char *FAR PASCAL swe_cs2lonlatstr_d(CSEC t, char *pchar,
char *mchar, char *s);
DllImport char *FAR PASCAL swe_cs2degstr_d(CSEC t, char *a);
/****************************
* from swecl.c
****************************/
/* computes geographic location and attributes of solar
* eclipse at a given tjd */
DllImport int32 FAR PASCAL swe_sol_eclipse_where_d(double *tjd_ut, int32 ifl, double *geopos, double *attr, char *serr);
DllImport int32 FAR PASCAL swe_sol_eclipse_where_d(double *tjd_ut,
int32 ifl,
double *geopos,
double *attr,
char *serr);
/* computes attributes of a solar eclipse for given tjd, geolon, geolat */
DllImport int32 FAR PASCAL swe_sol_eclipse_how_d(double *tjd_ut, int32 ifl, double geolon, double geolat, double geohgt, double *attr, char *serr);
DllImport int32 FAR PASCAL swe_sol_eclipse_how_d(double *tjd_ut,
int32 ifl,
double geolon,
double geolat,
double geohgt,
double *attr,
char *serr);
/* finds time of next local eclipse */
DllImport int32 FAR PASCAL swe_sol_eclipse_when_loc_d(double *tjd_start, int32 ifl, double *geopos, double *tret, double *attr, AS_BOOL backward, char *serr);
DllImport int32 FAR PASCAL swe_sol_eclipse_when_loc_d(double *tjd_start,
int32 ifl,
double *geopos,
double *tret,
double *attr,
AS_BOOL backward,
char *serr);
/* finds time of next eclipse globally */
DllImport int32 FAR PASCAL swe_sol_eclipse_when_glob_d(double *tjd_start, int32 ifl, int32 ifltype,
double *tret, AS_BOOL backward, char *serr);
DllImport int32 FAR PASCAL swe_sol_eclipse_when_glob_d(double
*tjd_start,
int32 ifl,
int32 ifltype,
double *tret,
AS_BOOL backward,
char *serr);
/* computes attributes of a lunar eclipse for given tjd */
DllImport int32 FAR PASCAL swe_lun_eclipse_how_d(
double *tjd_ut,
DllImport int32 FAR PASCAL swe_lun_eclipse_how_d( double *tjd_ut,
int32 ifl,
double *attr,
char *serr);
DllImport int32 FAR PASCAL swe_lun_eclipse_when_d(double *tjd_start, int32 ifl, int32 ifltype,
double *tret, AS_BOOL backward, char *serr);
DllImport int32 FAR PASCAL swe_pheno_d(double *tjd, int32 ipl, int32 iflag,
double *attr, char *serr);
DllImport int32 FAR PASCAL swe_pheno_ut_d(double *tjd_ut, int32 ipl, int32 iflag, double *attr, char *serr);
DllImport int FAR PASCAL swe_refrac_d(double *inalt, double *atpress, double *attemp, int32 calc_flag, double *retalt);
DllImport int FAR PASCAL swe_azalt_d(
double *tjd_ut,
DllImport int32 FAR PASCAL swe_lun_eclipse_when_d(double *tjd_start,
int32 ifl,
int32 ifltype,
double *tret,
AS_BOOL backward,
char *serr);
DllImport int32 FAR PASCAL swe_pheno_d(double *tjd, int32 ipl,
int32 iflag, double *attr,
char *serr);
DllImport int32 FAR PASCAL swe_pheno_ut_d(double *tjd_ut, int32 ipl,
int32 iflag, double *attr,
char *serr);
DllImport int FAR PASCAL swe_refrac_d(double *inalt, double *atpress,
double *attemp, int32 calc_flag,
double *retalt);
DllImport int FAR PASCAL swe_azalt_d( double *tjd_ut, int32 calc_flag,
double *geopos, double *atpress,
double *attemp, double *xin,
double *xaz);
DllImport int FAR PASCAL swe_azalt_rev_d( double *tjd_ut,
int32 calc_flag,
double *geopos, double *xin,
double *xout);
DllImport int32 FAR PASCAL swe_rise_trans_d( double *tjd_ut, int32 ipl,
char *starname,
int32 epheflag, int32 rsmi,
double *geopos,
double *atpress,
double *attemp,
double *xin,
double *xaz);
DllImport int FAR PASCAL swe_azalt_rev_d(
double *tjd_ut,
int32 calc_flag,
double *geopos,
double *xin,
double *xout);
DllImport int32 FAR PASCAL swe_rise_trans_d(
double *tjd_ut, int32 ipl, char *starname,
int32 epheflag, int32 rsmi,
double *geopos,
double *atpress, double *attemp,
double *tret,
char *serr);
DllImport int32 FAR PASCAL swe_nod_aps_d(double *tjd_et, int32 ipl, int32 iflag,
int32 method,
double *xnasc, double *xndsc,
double *xperi, double *xaphe,
char *serr);
DllImport int32 FAR PASCAL swe_nod_aps_ut_d(double *tjd_ut, int32 ipl, int32 iflag,
int32 method,
double *tret, char *serr);
DllImport int32 FAR PASCAL swe_nod_aps_d(double *tjd_et, int32 ipl,
int32 iflag, int32 method,
double *xnasc, double *xndsc,
double *xperi, double *xaphe,
char *serr);
DllImport int32 FAR PASCAL swe_nod_aps_ut_d(double *tjd_ut, int32 ipl,
int32 iflag, int32 method,
double *xnasc,
double *xndsc,
double *xperi,
double *xaphe, char *serr);
#endif /* !_SWEDLL_H */
#ifdef __cplusplus
} /* extern C */
#endif
#endif /* */

1682
swe/src/swehel.c
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File diff suppressed because it is too large Load Diff

341
swe/src/swehouse.c
View File

@ -5,6 +5,7 @@ module swehouse.c
house and (simple) aspect calculation
************************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -70,33 +71,17 @@ house and (simple) aspect calculation
static double Asc1(double, double, double, double);
static double Asc2(double, double, double, double);
static int CalcH(
double th, double fi, double ekl, char hsy,
static int CalcH(double th, double fi, double ekl, char hsy,
int iteration_count, struct houses *hsp);
static int sidereal_houses_ecl_t0(double tjde,
double armc,
double eps,
double *nutlo,
double lat,
int hsys,
double *cusp,
double *ascmc);
static int sidereal_houses_trad(double tjde,
double armc,
double eps,
double nutl,
double lat,
int hsys,
double *cusp,
double *ascmc);
static int sidereal_houses_ssypl(double tjde,
double armc,
double eps,
double *nutlo,
double lat,
int hsys,
double *cusp,
double *ascmc);
static int sidereal_houses_ecl_t0(double tjde, double armc, double eps,
double *nutlo, double lat, int hsys,
double *cusp, double *ascmc);
static int sidereal_houses_trad(double tjde, double armc, double eps,
double nutl, double lat, int hsys,
double *cusp, double *ascmc);
static int sidereal_houses_ssypl(double tjde, double armc, double eps,
double *nutlo, double lat, int hsys,
double *cusp, double *ascmc);
/* housasp.c
* cusps are returned in double cusp[13],
@ -112,12 +97,9 @@ static int sidereal_houses_ssypl(double tjde,
* ascmc[6] = coasc2 * "co-ascendant" (M. Munkasey) *
* ascmc[7] = polasc * "polar ascendant" (M. Munkasey) *
*/
int FAR PASCAL_CONV swe_houses(double tjd_ut,
double geolat,
double geolon,
int hsys,
double *cusp,
double *ascmc)
int FAR PASCAL_CONV
swe_houses(double tjd_ut, double geolat, double geolon, int hsys,
double *cusp, double *ascmc)
{
int i, retc = 0;
double armc, eps, nutlo[2];
@ -126,7 +108,9 @@ int FAR PASCAL_CONV swe_houses(double tjd_ut,
swi_nutation(tjde, nutlo);
for (i = 0; i < 2; i++)
nutlo[i] *= RADTODEG;
armc = swe_degnorm(swe_sidtime0(tjd_ut, eps + nutlo[1], nutlo[0]) * 15 + geolon);
armc =
swe_degnorm(swe_sidtime0(tjd_ut, eps + nutlo[1], nutlo[0]) * 15 +
geolon);
#ifdef TRACE
swi_open_trace(NULL);
if (swi_trace_count <= TRACE_COUNT_MAX) {
@ -137,8 +121,10 @@ int FAR PASCAL_CONV swe_houses(double tjd_ut,
fprintf(swi_fp_trace_c, " geolon = %.9f;", geolon);
fprintf(swi_fp_trace_c, " geolat = %.9f;", geolat);
fprintf(swi_fp_trace_c, " hsys = %d;\n", hsys);
fprintf(swi_fp_trace_c, " retc = swe_houses(tjd, geolat, geolon, hsys, cusp, ascmc);\n");
fprintf(swi_fp_trace_c, " /* swe_houses calls swe_houses_armc as follows: */\n");
fprintf(swi_fp_trace_c,
" retc = swe_houses(tjd, geolat, geolon, hsys, cusp, ascmc);\n");
fprintf(swi_fp_trace_c,
" /* swe_houses calls swe_houses_armc as follows: */\n");
fprintf(swi_fp_trace_c, "#endif\n");
fflush(swi_fp_trace_c);
}
@ -162,13 +148,9 @@ int FAR PASCAL_CONV swe_houses(double tjd_ut,
* ascmc[6] = coasc2 * "co-ascendant" (M. Munkasey) *
* ascmc[7] = polasc * "polar ascendant" (M. Munkasey) *
*/
int FAR PASCAL_CONV swe_houses_ex(double tjd_ut,
int32 iflag,
double geolat,
double geolon,
int hsys,
double *cusp,
double *ascmc)
int FAR PASCAL_CONV
swe_houses_ex(double tjd_ut, int32 iflag, double geolat, double geolon,
int hsys, double *cusp, double *ascmc)
{
int i, retc = 0;
double armc, eps_mean, nutlo[2];
@ -196,24 +178,37 @@ int FAR PASCAL_CONV swe_houses_ex(double tjd_ut,
fprintf(swi_fp_trace_c, " geolon = %.9f;", geolon);
fprintf(swi_fp_trace_c, " geolat = %.9f;", geolat);
fprintf(swi_fp_trace_c, " hsys = %d;\n", hsys);
fprintf(swi_fp_trace_c, " retc = swe_houses_ex(tjd, iflag, geolat, geolon, hsys, cusp, ascmc);\n");
fprintf(swi_fp_trace_c, " /* swe_houses calls swe_houses_armc as follows: */\n");
fprintf(swi_fp_trace_c,
" retc = swe_houses_ex(tjd, iflag, geolat, geolon, hsys, cusp, ascmc);\n");
fprintf(swi_fp_trace_c,
" /* swe_houses calls swe_houses_armc as follows: */\n");
fprintf(swi_fp_trace_c, "#endif\n");
fflush(swi_fp_trace_c);
}
}
#endif
/*houses_to_sidereal(tjde, geolat, hsys, eps, cusp, ascmc, iflag); */
armc = swe_degnorm(swe_sidtime0(tjd_ut, eps_mean + nutlo[1], nutlo[0]) * 15 + geolon);
armc =
swe_degnorm(swe_sidtime0(tjd_ut, eps_mean + nutlo[1], nutlo[0]) * 15 +
geolon);
if (iflag & SEFLG_SIDEREAL) {
if (sip->sid_mode & SE_SIDBIT_ECL_T0)
retc = sidereal_houses_ecl_t0(tjde, armc, eps_mean + nutlo[1], nutlo, geolat, hsys, cusp, ascmc);
retc =
sidereal_houses_ecl_t0(tjde, armc, eps_mean + nutlo[1], nutlo,
geolat, hsys, cusp, ascmc);
else if (sip->sid_mode & SE_SIDBIT_SSY_PLANE)
retc = sidereal_houses_ssypl(tjde, armc, eps_mean + nutlo[1], nutlo, geolat, hsys, cusp, ascmc);
retc =
sidereal_houses_ssypl(tjde, armc, eps_mean + nutlo[1], nutlo,
geolat, hsys, cusp, ascmc);
else
retc = sidereal_houses_trad(tjde, armc, eps_mean + nutlo[1], nutlo[0], geolat, hsys, cusp, ascmc);
} else {
retc = swe_houses_armc(armc, geolat, eps_mean + nutlo[1], hsys, cusp, ascmc);
retc =
sidereal_houses_trad(tjde, armc, eps_mean + nutlo[1],
nutlo[0], geolat, hsys, cusp, ascmc);
}
else {
retc =
swe_houses_armc(armc, geolat, eps_mean + nutlo[1], hsys, cusp,
ascmc);
}
if (iflag & SEFLG_RADIANS) {
for (i = 1; i <= ito; i++)
@ -250,14 +245,9 @@ int FAR PASCAL_CONV swe_houses_ex(double tjd_ut,
* 6. subtract this distance from all house cusps.
* 7. subtract ayanamsa_t0 from all house cusps.
*/
static int sidereal_houses_ecl_t0(double tjde,
double armc,
double eps,
double *nutlo,
double lat,
int hsys,
double *cusp,
double *ascmc)
static int
sidereal_houses_ecl_t0(double tjde, double armc, double eps, double *nutlo,
double lat, int hsys, double *cusp, double *ascmc)
{
int i, j, retc = OK;
double x[6], xvpx[6], x2[6], epst0, xnorm[6];
@ -346,14 +336,9 @@ static int sidereal_houses_ecl_t0(double tjde,
* 8. subtract ayanamsa_t0 from all house cusps.
* 9. subtract ayanamsa_2000 from all house cusps.
*/
static int sidereal_houses_ssypl(double tjde,
double armc,
double eps,
double *nutlo,
double lat,
int hsys,
double *cusp,
double *ascmc)
static int
sidereal_houses_ssypl(double tjde, double armc, double eps, double *nutlo,
double lat, int hsys, double *cusp, double *ascmc)
{
int i, j, retc = OK;
double x[6], x0[6], xvpx[6], x2[6], xnorm[6];
@ -445,14 +430,9 @@ static int sidereal_houses_ssypl(double tjde,
}
/* common simplified procedure */
static int sidereal_houses_trad(double tjde,
double armc,
double eps,
double nutl,
double lat,
int hsys,
double *cusp,
double *ascmc)
static int
sidereal_houses_trad(double tjde, double armc, double eps, double nutl,
double lat, int hsys, double *cusp, double *ascmc)
{
int i, retc = OK;
double ay;
@ -497,13 +477,9 @@ static int sidereal_houses_trad(double tjde,
* ascmc[6] = coasc2 * "co-ascendant" (M. Munkasey) *
* ascmc[7] = polasc * "polar ascendant" (M. Munkasey) *
*/
int FAR PASCAL_CONV swe_houses_armc(
double armc,
double geolat,
double eps,
int hsys,
double *cusp,
double *ascmc)
int FAR PASCAL_CONV
swe_houses_armc(double armc, double geolat, double eps, int hsys,
double *cusp, double *ascmc)
{
struct houses h;
int i, retc = 0;
@ -513,10 +489,7 @@ int FAR PASCAL_CONV swe_houses_armc(
else
ito = 12;
armc = swe_degnorm(armc);
retc = CalcH(armc,
geolat,
eps,
(char)hsys, 2, &h);
retc = CalcH(armc, geolat, eps, (char)hsys, 2, &h);
cusp[0] = 0;
for (i = 1; i <= ito; i++) {
cusp[i] = h.cusp[i];
@ -540,20 +513,25 @@ int FAR PASCAL_CONV swe_houses_armc(
fprintf(swi_fp_trace_c, " geolat = %.9f;", geolat);
fprintf(swi_fp_trace_c, " eps = %.9f;", eps);
fprintf(swi_fp_trace_c, " hsys = %d;\n", hsys);
fprintf(swi_fp_trace_c, " retc = swe_houses_armc(armc, geolat, eps, hsys, cusp, ascmc);\n");
fputs(" printf(\"swe_houses_armc: %f\\t%f\\t%f\\t%c\\t\\n\", ", swi_fp_trace_c);
fprintf(swi_fp_trace_c,
" retc = swe_houses_armc(armc, geolat, eps, hsys, cusp, ascmc);\n");
fputs(" printf(\"swe_houses_armc: %f\\t%f\\t%f\\t%c\\t\\n\", ",
swi_fp_trace_c);
fputs(" armc, geolat, eps, hsys);\n", swi_fp_trace_c);
fputs(" printf(\"retc = %d\\n\", retc);\n", swi_fp_trace_c);
fputs(" printf(\"cusp:\\n\");\n", swi_fp_trace_c);
fputs(" for (i = 0; i < 12; i++)\n", swi_fp_trace_c);
fputs(" printf(\" %d\\t%f\\n\", i, cusp[i]);\n", swi_fp_trace_c);
fputs(" printf(\" %d\\t%f\\n\", i, cusp[i]);\n",
swi_fp_trace_c);
fputs(" printf(\"ascmc:\\n\");\n", swi_fp_trace_c);
fputs(" for (i = 0; i < 10; i++)\n", swi_fp_trace_c);
fputs(" printf(\" %d\\t%f\\n\", i, ascmc[i]);\n", swi_fp_trace_c);
fputs(" printf(\" %d\\t%f\\n\", i, ascmc[i]);\n",
swi_fp_trace_c);
fflush(swi_fp_trace_c);
}
if (swi_fp_trace_out != NULL) {
fprintf(swi_fp_trace_out, "swe_houses_armc: %f\t%f\t%f\t%c\t\n", armc, geolat, eps, hsys);
fprintf(swi_fp_trace_out, "swe_houses_armc: %f\t%f\t%f\t%c\t\n",
armc, geolat, eps, hsys);
fprintf(swi_fp_trace_out, "retc = %d\n", retc);
fputs("cusp:\n", swi_fp_trace_out);
for (i = 0; i < 12; i++)
@ -566,20 +544,24 @@ int FAR PASCAL_CONV swe_houses_armc(
}
#endif
#if 0
/* for test of swe_house_pos().
* 1st house will be 0, second 30, etc. */
for (i = 1; i <= 12; i++) {
double x[6];
x[0] = cusp[i]; x[1] = 0; x[2] = 1;
x[0] = cusp[i];
x[1] = 0;
x[2] = 1;
cusp[i] = (swe_house_pos(armc, geolat, eps, hsys, x, NULL) - 1) * 30;
}
#endif
return retc;
}
static int CalcH(
double th, double fi, double ekl, char hsy,
int iteration_count, struct houses *hsp )
static int
CalcH(double th, double fi, double ekl, char hsy, int iteration_count,
struct houses *hsp)
/* *********************************************************
* Arguments: th = sidereal time (angle 0..360 degrees
* hsy = letter code for house system;
@ -630,13 +612,13 @@ static int CalcH(
}
tanfi = tand(fi);
/* mc */
if (fabs(th - 90) > VERY_SMALL
&& fabs(th - 270) > VERY_SMALL) {
if (fabs(th - 90) > VERY_SMALL && fabs(th - 270) > VERY_SMALL) {
tant = tand(th);
hsp->mc = atand(tant / cose);
if (th > 90 && th <= 270)
hsp->mc = swe_degnorm(hsp->mc + 180);
} else {
}
else {
if (fabs(th - 90) <= VERY_SMALL)
hsp->mc = 90;
else
@ -647,7 +629,8 @@ static int CalcH(
hsp->ac = Asc1(th + 90, fi, sine, cose);
hsp->cusp[1] = hsp->ac;
hsp->cusp[10] = hsp->mc;
if (hsy > 95) hsy = (char) (hsy - 32);/* translate into capital letter */
if (hsy > 95)
hsy = (char)(hsy - 32); /* translate into capital letter */
switch (hsy) {
case 'A': /* equal houses */
case 'E':
@ -686,7 +669,8 @@ static int CalcH(
xh1 = xh2 = 90; /* cosfi = VERY_SMALL; */
else
xh1 = xh2 = 270; /* cosfi = -VERY_SMALL; */
} else {
}
else {
xh1 = atand(sqrt(3.0) / cosfi);
xh2 = atand(1 / sqrt(3.0) / cosfi);
}
@ -732,8 +716,10 @@ static int CalcH(
goto porphyry;
}
sina = sind(hsp->mc) * sine / cosd(fi);
if (sina > 1) sina = 1;
if (sina < -1) sina = -1;
if (sina > 1)
sina = 1;
if (sina < -1)
sina = -1;
cosa = sqrt(1 - sina * sina); /* always >> 0 */
c = atand(tanfi / cosa);
ad3 = asind(sind(c) * sina) / 3.0;
@ -836,7 +822,8 @@ porphyry:
double a = th;
for (i = 1; i <= 12; i++) {
j = i + 10;
if (j > 12) j -= 12;
if (j > 12)
j -= 12;
a = swe_degnorm(a + 30);
if (fabs(a - 90) > VERY_SMALL
&& fabs(a - 270) > VERY_SMALL) {
@ -844,7 +831,8 @@ porphyry:
hsp->cusp[j] = atand(tant / cose);
if (a > 90 && a <= 270)
hsp->cusp[j] = swe_degnorm(hsp->cusp[j] + 180);
} else {
}
else {
if (fabs(a - 90) <= VERY_SMALL)
hsp->cusp[j] = 90;
else
@ -856,7 +844,8 @@ porphyry:
if (acmc < 0) {
hsp->ac = swe_degnorm(hsp->ac + 180);
}
break; }
break;
}
case 'M':{
/*
* Morinus
@ -868,7 +857,8 @@ porphyry:
double x[3];
for (i = 1; i <= 12; i++) {
j = i + 10;
if (j > 12) j -= 12;
if (j > 12)
j -= 12;
a = swe_degnorm(a + 30);
x[0] = a;
x[1] = 0;
@ -879,15 +869,16 @@ porphyry:
if (acmc < 0) {
hsp->ac = swe_degnorm(hsp->ac + 180);
}
break; }
break;
}
case 'B':{ /* Alcabitius */
/* created by Alois 17-sep-2000, followed example in Matrix
electrical library. The code reproduces the example!
See http://www.astro.com/cgi/adict.cgi query: alcabitius
in the resuotl page, see program code example.
I think the Alcabitius code in Walter Pullen's Astrolog 5.40
is wrong, because he remains in RA and forgets the transform to
the ecliptic. */
* electrical library. The code reproduces the example!
* See http://www.astro.com/cgi/adict.cgi query: alcabitius
* in the resuotl page, see program code example.
* I think the Alcabitius code in Walter Pullen's Astrolog 5.40
* is wrong, because he remains in RA and forgets the transform to
* the ecliptic. */
double dek, r, sna, sda, sn3, sd3;
#if FALSE
if (fabs(fi) >= 90 - ekl) { /* within polar circle */
@ -914,7 +905,7 @@ porphyry:
sn3 = sna / 3;
rectasc = swe_degnorm(th + sd3); /* cusp 11 */
/* project rectasc onto eclipitic with pole height 0, i.e. along the
declination circle */
* declination circle */
hsp->cusp[11] = Asc1(rectasc, 0, sine, cose);
rectasc = swe_degnorm(th + 2 * sd3); /* cusp 12 */
hsp->cusp[12] = Asc1(rectasc, 0, sine, cose);
@ -932,6 +923,7 @@ porphyry:
retc = ERR;
goto porphyry;
}
/*************** forth/second quarter ***************/
/* note: Gauquelin sectors are counted in clockwise direction */
a = asind(tand(fi) * tane);
@ -939,10 +931,12 @@ porphyry:
ih2 = 10 - ih;
fh1 = atand(sind(a * ih2 / 9) / tane);
rectasc = swe_degnorm((90 / 9) * ih2 + th);
tant = tand(asind(sine * sind(Asc1 (rectasc, fh1, sine, cose))));
tant =
tand(asind(sine * sind(Asc1(rectasc, fh1, sine, cose))));
if (fabs(tant) < VERY_SMALL) {
hsp->cusp[ih] = rectasc;
} else {
}
else {
/* pole height */
f = atand(sind(asind(tanfi * tant) * ih2 / 9) / tant);
hsp->cusp[ih] = Asc1(rectasc, f, sine, cose);
@ -959,15 +953,18 @@ porphyry:
}
hsp->cusp[ih + 18] = swe_degnorm(hsp->cusp[ih] + 180);
}
/*************** first/third quarter ***************/
for (ih = 29; ih <= 36; ih++) {
ih2 = ih - 28;
fh1 = atand(sind(a * ih2 / 9) / tane);
rectasc = swe_degnorm(180 - ih2 * 90 / 9 + th);
tant = tand(asind(sine * sind(Asc1 (rectasc, fh1, sine, cose))));
tant =
tand(asind(sine * sind(Asc1(rectasc, fh1, sine, cose))));
if (fabs(tant) < VERY_SMALL) {
hsp->cusp[ih] = rectasc;
} else {
}
else {
f = atand(sind(asind(tanfi * tant) * ih2 / 9) / tant);
/* pole height */
hsp->cusp[ih] = Asc1(rectasc, f, sine, cose);
@ -1067,7 +1064,8 @@ porphyry:
default: /* Placidus houses */
#ifndef _WINDOWS
if (hsy != 'P')
fprintf (stderr, "swe_houses: make Placidus, unknown key %c\n", hsy);
fprintf(stderr, "swe_houses: make Placidus, unknown key %c\n",
hsy);
#endif
if (fabs(fi) >= 90 - ekl) { /* within polar circle */
retc = ERR;
@ -1081,7 +1079,8 @@ porphyry:
tant = tand(asind(sine * sind(Asc1(rectasc, fh1, sine, cose))));
if (fabs(tant) < VERY_SMALL) {
hsp->cusp[11] = rectasc;
} else {
}
else {
/* pole height */
f = atand(sind(asind(tanfi * tant) / 3) / tant);
hsp->cusp[11] = Asc1(rectasc, f, sine, cose);
@ -1101,7 +1100,8 @@ porphyry:
tant = tand(asind(sine * sind(Asc1(rectasc, fh2, sine, cose))));
if (fabs(tant) < VERY_SMALL) {
hsp->cusp[12] = rectasc;
} else {
}
else {
f = atand(sind(asind(tanfi * tant) / 1.5) / tant);
/* pole height */
hsp->cusp[12] = Asc1(rectasc, f, sine, cose);
@ -1121,7 +1121,8 @@ porphyry:
tant = tand(asind(sine * sind(Asc1(rectasc, fh2, sine, cose))));
if (fabs(tant) < VERY_SMALL) {
hsp->cusp[2] = rectasc;
} else {
}
else {
f = atand(sind(asind(tanfi * tant) / 1.5) / tant);
/* pole height */
hsp->cusp[2] = Asc1(rectasc, f, sine, cose);
@ -1141,7 +1142,8 @@ porphyry:
tant = tand(asind(sine * sind(Asc1(rectasc, fh1, sine, cose))));
if (fabs(tant) < VERY_SMALL) {
hsp->cusp[3] = rectasc;
} else {
}
else {
f = atand(sind(asind(tanfi * tant) / 3) / tant);
/* pole height */
hsp->cusp[3] = Asc1(rectasc, f, sine, cose);
@ -1185,13 +1187,13 @@ porphyry:
*/
/* equasc (equatorial ascendant) */
th2 = swe_degnorm(th + 90);
if (fabs(th2 - 90) > VERY_SMALL
&& fabs(th2 - 270) > VERY_SMALL) {
if (fabs(th2 - 90) > VERY_SMALL && fabs(th2 - 270) > VERY_SMALL) {
tant = tand(th2);
hsp->equasc = atand(tant / cose);
if (th2 > 90 && th2 <= 270)
hsp->equasc = swe_degnorm(hsp->equasc + 180);
} else {
}
else {
if (fabs(th2 - 90) <= VERY_SMALL)
hsp->equasc = 90;
else
@ -1211,7 +1213,8 @@ porphyry:
} /* procedure houses */
/******************************/
static double Asc1 (double x1, double f, double sine, double cose)
static double
Asc1(double x1, double f, double sine, double cose)
{
int n;
double ass;
@ -1237,7 +1240,8 @@ static double Asc1 (double x1, double f, double sine, double cose)
return ass;
} /* Asc1 */
static double Asc2 (double x, double f, double sine, double cose)
static double
Asc2(double x, double f, double sine, double cose)
{
double ass, sinx;
ass = -tand(f) * sine + cose * cosd(x);
@ -1251,12 +1255,14 @@ static double Asc2 (double x, double f, double sine, double cose)
ass = -VERY_SMALL;
else
ass = VERY_SMALL;
} else if (ass == 0) {
}
else if (ass == 0) {
if (sinx < 0)
ass = -90;
else
ass = 90;
} else {
}
else {
ass = atand(sinx / ass);
}
if (ass < 0)
@ -1292,8 +1298,9 @@ static double Asc2 (double x, double f, double sine, double cose)
* equal, Porphyry, Alcabitius, Koch, Krusinski (all others should work).
* The Swiss Ephemeris currently does not handle these cases.
*/
double FAR PASCAL_CONV swe_house_pos(
double armc, double geolat, double eps, int hsys, double *xpin, char *serr)
double FAR PASCAL_CONV
swe_house_pos(double armc, double geolat, double eps, int hsys, double *xpin,
char *serr)
{
double xp[6], xeq[6], ra, de, mdd, mdn, sad, san;
double hpos, sinad, ad, a, admc, adp, samc, demc, asc, mc, acmc, tant;
@ -1346,13 +1353,13 @@ double FAR PASCAL_CONV swe_house_pos(
asc = Asc1(swe_degnorm(armc + 90), geolat, sine, cose);
demc = atand(sind(armc) * tand(eps));
/* mc */
if (fabs(armc - 90) > VERY_SMALL
&& fabs(armc - 270) > VERY_SMALL) {
if (fabs(armc - 90) > VERY_SMALL && fabs(armc - 270) > VERY_SMALL) {
tant = tand(armc);
mc = swe_degnorm(atand(tant / cose));
if (armc > 90 && armc <= 270)
mc = swe_degnorm(mc + 180);
} else {
}
else {
if (fabs(armc - 90) <= VERY_SMALL)
mc = 90;
else
@ -1382,7 +1389,8 @@ double FAR PASCAL_CONV swe_house_pos(
hpos += xp[0] * 3 / (180 - acmc);
else
hpos += 3 + (xp[0] - 180 + acmc) * 3 / acmc;
} else { /* Alcabitius */
}
else { /* Alcabitius */
double dek, r, sna, sda;
dek = asind(sind(asc) * sine); /* declination of Ascendant */
/* must treat the case fi == 90 or -90 */
@ -1399,14 +1407,16 @@ double FAR PASCAL_CONV swe_house_pos(
hpos = mdd * 90 / sda;
else
hpos = 90 + (mdd - sda) * 90 / sna;
} else {
}
else {
if (mdd > -sna)
hpos = 360 + mdd * 90 / sna;
else
hpos = 270 + (mdd + sna) * 90 / sda;
}
hpos = swe_degnorm(hpos - 90) / 30.0 + 1.0;
if (hpos >= 13.0) hpos -= 12;
if (hpos >= 13.0)
hpos -= 12;
}
break;
case 'X': /* Merdidian or axial rotation system */
@ -1414,13 +1424,13 @@ double FAR PASCAL_CONV swe_house_pos(
break;
case 'M':{ /* Morinus */
double a = xpin[0];
if (fabs(a - 90) > VERY_SMALL
&& fabs(a - 270) > VERY_SMALL) {
if (fabs(a - 90) > VERY_SMALL && fabs(a - 270) > VERY_SMALL) {
tant = tand(a);
hpos = atand(tant / cose);
if (a > 90 && a <= 270)
hpos = swe_degnorm(hpos + 180);
} else {
}
else {
if (fabs(a - 90) <= VERY_SMALL)
hpos = 90;
else
@ -1437,22 +1447,29 @@ double FAR PASCAL_CONV swe_house_pos(
/* if body is within circumpolar region, error */
if (90 - fabs(geolat) <= fabs(de)) {
if (serr != NULL)
strcpy(serr, "no Koch house position, because planet is circumpolar.");
strcpy(serr,
"no Koch house position, because planet is circumpolar.");
xp[0] = 0;
hpos = 0; /* Error */
} else if (90 - fabs(geolat) <= fabs(demc)) {
}
else if (90 - fabs(geolat) <= fabs(demc)) {
if (serr != NULL)
strcpy(serr, "no Koch house position, because mc is circumpolar.");
strcpy(serr,
"no Koch house position, because mc is circumpolar.");
xp[0] = 0;
hpos = 0; /* Error */
} else {
}
else {
admc = asind(tand(eps) * tand(geolat) * sind(armc));
adp = asind(tand(geolat) * tand(de));
samc = 90 + admc;
if (mdd >= 0) { /* east */
xp[0] = swe_degnorm(((mdd - adp + admc) / samc - 1) * 90);
} else {
xp[0] = swe_degnorm(((mdd + 180 + adp + admc) / samc + 1) * 90);
}
else {
xp[0] =
swe_degnorm(((mdd + 180 + adp + admc) / samc +
1) * 90);
}
/* to make sure that a call with a house cusp position returns
* a value within the house, 0.001" is added */
@ -1510,7 +1527,8 @@ double FAR PASCAL_CONV swe_house_pos(
/* eastern object has longer SA than midheaven */
if (dfac > 2 || dfac < 0)
is_invalid = TRUE; /* if this is omitted, funny things happen */
} else {
}
else {
dfac = (mdd + 180 + adp + admc) / samc;
xp[0] = swe_degnorm((dfac + 1) * 90);
xp[0] = swe_degnorm(xp[0] + MILLIARCSEC);
@ -1523,12 +1541,14 @@ double FAR PASCAL_CONV swe_house_pos(
xp[0] = 0;
hpos = 0;
if (serr != NULL)
strcpy(serr, "Koch house position failed in circumpolar area");
strcpy(serr,
"Koch house position failed in circumpolar area");
break;
}
if (is_circumpolar) {
if (serr != NULL)
strcpy(serr, "Koch house position, doubtful result in circumpolar area");
strcpy(serr,
"Koch house position, doubtful result in circumpolar area");
}
/* to make sure that a call with a house cusp position returns
* a value within the house, 0.001" is added */
@ -1566,7 +1586,9 @@ double FAR PASCAL_CONV swe_house_pos(
/* I. find plane of 'asc-zenith' great circle relative to equator:
* solve spherical triangle 'EP-asc-intersection of house circle with equator' */
/* Ia. Find intersection of house plane with equator: */
x[0] = asc; x[1] = 0.0; x[2] = 1.0; /* 1. Start with ascendent on ecliptic */
x[0] = asc;
x[1] = 0.0;
x[2] = 1.0; /* 1. Start with ascendent on ecliptic */
swe_cotrans(x, x, -eps); /* 2. Transform asc into equatorial coords */
raep = swe_degnorm(armc + 90); /* 3. RA of east point */
x[0] = swe_degnorm(raep - x[0]); /* 4. Rotation - found arc raas-raep */
@ -1577,7 +1599,8 @@ double FAR PASCAL_CONV swe_house_pos(
x[0] = swe_degnorm(xtemp);
raaz = swe_degnorm(raep - x[0]); /* result: RA of intersection 'asc-zenith' great circle with equator */
/* Ib. Find obliquity to equator of 'asc-zenith' house plane: */
x[0] = raaz; x[1] = 0.0;
x[0] = raaz;
x[1] = 0.0;
x[0] = swe_degnorm(raep - x[0]); /* 1. Rotate start point relative to EP */
swe_cotrans(x, x, -(90 - geolat)); /* 2. Transform into horizontal coords */
x[1] = x[1] + 90; /* 3. Add 90 deg do decl - so get the point on house plane most distant from equ. */
@ -1588,7 +1611,9 @@ double FAR PASCAL_CONV swe_house_pos(
* coords beginning. */
/* IIa. Asc on house plane relative to intersection
* of equator with 'asc-zenith' plane. */
xasc[0] = asc; xasc[1] = 0.0; xasc[2] = 1.0;
xasc[0] = asc;
xasc[1] = 0.0;
xasc[2] = 1.0;
swe_cotrans(xasc, xasc, -eps);
xasc[0] = swe_degnorm(xasc[0] - raaz);
xtemp = atand(tand(xasc[0]) / cosd(oblaz));
@ -1683,7 +1708,8 @@ double FAR PASCAL_CONV swe_house_pos(
if (xp[1] > 0) {
fh = atand(tand(fh) - tanfi / fac);
ra0 -= 90 / fac;
} else {
}
else {
fh = atand(tand(fh) + tanfi / fac);
ra0 += 90 / fac;
}
@ -1710,8 +1736,10 @@ double FAR PASCAL_CONV swe_house_pos(
else
xp[0] = swe_degnorm(270 + mdd / 2);
if (serr != NULL)
strcpy(serr, "Otto Ludwig procedure within circumpolar regions.");
} else {
strcpy(serr,
"Otto Ludwig procedure within circumpolar regions.");
}
else {
sinad = tand(de) * tand(geolat);
ad = asind(sinad);
a = sinad + cosd(mdd);
@ -1730,7 +1758,8 @@ double FAR PASCAL_CONV swe_house_pos(
if (hsys == 'G') {
xp[0] = 360 - xp[0]; /* Gauquelin sectors are in clockwise direction */
hpos = xp[0] / 10.0 + 1;
} else {
}
else {
hpos = xp[0] / 30.0 + 1;
}
break;

4
swe/src/swehouse.h
View File

@ -1,3 +1,4 @@
/*******************************************************
$Header: /home/dieter/sweph/RCS/swehouse.h,v 1.74 2008/06/16 10:07:20 dieter Exp $
module swehouse.h
@ -59,7 +60,8 @@ house and (simple) aspect calculation
for promoting such software, products or services.
*/
struct houses {
struct houses
{
double cusp[37];
double ac;
double mc;

133
swe/src/swejpl.c
View File

@ -12,6 +12,7 @@
Authors: Dieter Koch and Alois Treindl, Astrodienst Zurich
************************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -75,10 +76,12 @@
#define DEBUG_DO_SHOW FALSE
#ifndef NO_JPL
/*
* local globals
*/
struct jpl_save {
struct jpl_save
{
char *jplfname;
char *jplfpath;
FILE *jplfptr;
@ -96,8 +99,8 @@ struct jpl_save {
static struct jpl_save *FAR js;
static int state (double et, int32 *list, int do_bary,
double *pv, double *pvsun, double *nut, char *serr);
static int state(double et, int32 * list, int do_bary, double *pv,
double *pvsun, double *nut, char *serr);
static int interp(double FAR * buf, double t, double intv, int32 ncfin,
int32 ncmin, int32 nain, int32 ifl, double *pv);
static int32 fsizer(char *serr);
@ -170,7 +173,8 @@ DE200 DE102 DE403
* set to a fixed value depending as in previous releases. The caller of
* fsizer() will verify by data comparison whether it computed correctly.
*/
static int32 fsizer(char *serr)
static int32
fsizer(char *serr)
{
/* Local variables */
int32 ncon;
@ -180,7 +184,9 @@ static int32 fsizer(char *serr)
int i, kmx, khi, nd;
int32 ksize, lpt[3];
char ttl[6 * 14 * 3];
if ((js->jplfptr = swi_fopen(SEI_FILE_PLANET, js->jplfname, js->jplfpath, serr)) == NULL) {
if ((js->jplfptr =
swi_fopen(SEI_FILE_PLANET, js->jplfname, js->jplfpath,
serr)) == NULL) {
return NOT_AVAILABLE;
}
/* ttl = ephemeris title, e.g.
@ -205,9 +211,11 @@ static int32 fsizer(char *serr)
reorder((char *)&js->eh_ss[0], sizeof(double), 3);
/* plausibility test of these constants. Start and end date must be
* between -20000 and +20000, segment size >= 1 and <= 200 */
if (js->eh_ss[0] < -5583942 || js->eh_ss[1] > 9025909 || js->eh_ss[2] < 1 || js->eh_ss[2] > 200) {
if (js->eh_ss[0] < -5583942 || js->eh_ss[1] > 9025909 || js->eh_ss[2] < 1
|| js->eh_ss[2] > 200) {
if (serr != NULL)
sprintf(serr, "alleged ephemeris file (%s) has invalid format.", js->jplfname);
sprintf(serr, "alleged ephemeris file (%s) has invalid format.",
js->jplfname);
return (NOT_AVAILABLE);
}
/* ncon = number of constants */
@ -254,7 +262,9 @@ static int32 fsizer(char *serr)
nd = 2;
else
nd = 3;
ksize = (js->eh_ipt[khi * 3 - 3] + nd * js->eh_ipt[khi * 3 - 2] * js->eh_ipt[khi * 3 - 1] - 1L) * 2L;
ksize =
(js->eh_ipt[khi * 3 - 3] +
nd * js->eh_ipt[khi * 3 - 2] * js->eh_ipt[khi * 3 - 1] - 1L) * 2L;
/*
* de102 files give wrong ksize, because they contain 424 empty bytes
* per record. Fixed by hand!
@ -262,7 +272,7 @@ static int32 fsizer(char *serr)
if (ksize == 1546)
ksize = 1652;
#if 0 /* we prefer to compute ksize to be comaptible
with new DE releases */
* with new DE releases */
switch (numde) {
case 403:
case 405:
@ -291,8 +301,10 @@ static int32 fsizer(char *serr)
#endif
if (ksize < 1000 || ksize > 5000) {
if (serr != NULL)
sprintf(serr, "JPL ephemeris file does not provide valid ksize (%d)", ksize);/**/
return NOT_AVAILABLE;
sprintf(serr,
"JPL ephemeris file does not provide valid ksize (%d)",
ksize);
/**/ return NOT_AVAILABLE;
}
return ksize;
}
@ -329,7 +341,8 @@ static int32 fsizer(char *serr)
* The option is available to have the units in km and km/sec.
* For this, set do_km=TRUE (default FALSE).
*/
int swi_pleph(double et, int ntarg, int ncent, double *rrd, char *serr)
int
swi_pleph(double et, int ntarg, int ncent, double *rrd, char *serr)
{
int i, retc;
int32 list[12];
@ -346,7 +359,8 @@ int swi_pleph(double et, int ntarg, int ncent, double *rrd, char *serr)
if (js->eh_ipt[34] > 0) {
list[10] = 2;
return (state(et, list, FALSE, pv, pvsun, rrd, serr));
} else {
}
else {
if (serr != NULL)
sprintf(serr, "No nutations on the JPL ephemeris file;");
return (NOT_AVAILABLE);
@ -360,7 +374,8 @@ int swi_pleph(double et, int ntarg, int ncent, double *rrd, char *serr)
for (i = 0; i < 6; ++i)
rrd[i] = pv[i + 60];
return 0;
} else {
}
else {
if (serr != NULL)
sprintf(serr, "No librations on the ephemeris file;");
return (NOT_AVAILABLE);
@ -398,14 +413,17 @@ int swi_pleph(double et, int ntarg, int ncent, double *rrd, char *serr)
for (i = 0; i < 6; ++i)
pv[i + 6 * J_EMB] = pv[i + 6 * J_EARTH];
}
if ((ntarg==J_EARTH && ncent==J_MOON) || (ntarg == J_MOON && ncent==J_EARTH)){
if ((ntarg == J_EARTH && ncent == J_MOON)
|| (ntarg == J_MOON && ncent == J_EARTH)) {
for (i = 0; i < 6; ++i)
pv[i + 6 * J_EARTH] = 0.;
} else {
}
else {
if (list[J_EARTH] == 2) {
for (i = 0; i < 6; ++i)
pv[i + 6*J_EARTH] -= pv[i + 6*J_MOON] / (js->eh_emrat + 1.);
pv[i + 6 * J_EARTH] -=
pv[i + 6 * J_MOON] / (js->eh_emrat + 1.);
}
if (list[J_MOON] == 2) {
for (i = 0; i < 6; ++i) {
@ -439,8 +457,9 @@ int swi_pleph(double et, int ntarg, int ncent, double *rrd, char *serr)
* pv d.p. interpolated quantities requested.
* assumed dimension is pv(ncm,fl).
*/
static int interp(double FAR *buf, double t, double intv, int32 ncfin,
int32 ncmin, int32 nain, int32 ifl, double *pv)
static int
interp(double FAR * buf, double t, double intv, int32 ncfin, int32 ncmin,
int32 nain, int32 ifl, double *pv)
{
/* Initialized data */
static int FAR np, nv;
@ -461,8 +480,8 @@ static int interp(double FAR *buf, double t, double intv, int32 ncfin,
double dt1, bma;
double bma2, bma3;
/*
| get correct sub-interval number for this set of coefficients and then
| get normalized chebyshev time within that subinterval.
* | get correct sub-interval number for this set of coefficients and then
* | get normalized chebyshev time within that subinterval.
*/
if (t >= 0)
dt1 = floor(t);
@ -619,8 +638,9 @@ static int interp(double FAR *buf, double t, double intv, int32 ncfin,
| default value = FALSE (km determines time unit
| for nutations and librations. angle unit is always radians.)
*/
static int state(double et, int32 *list, int do_bary,
double *pv, double *pvsun, double *nut, char *serr)
static int
state(double et, int32 * list, int do_bary, double *pv, double *pvsun,
double *nut, char *serr)
{
int i, j, k;
int32 flen, nseg, nb;
@ -688,19 +708,22 @@ static int state(double et, int32 *list, int do_bary,
sp = strstr(js->ch_cnam, "EMRAT ");
if (sp == NULL) {
if (serr != NULL)
sprintf(serr, "JPL ephemeris file strange, constant name 'EMRAT' missing");
sprintf(serr,
"JPL ephemeris file strange, constant name 'EMRAT' missing");
return ERR;
}
i = (sp - js->ch_cnam);
if (i % 6 != 0) {
if (serr != NULL)
sprintf(serr, "JPL ephemeris file strange, constant name 'EMRAT' not at multiple of 6");
sprintf(serr,
"JPL ephemeris file strange, constant name 'EMRAT' not at multiple of 6");
return ERR;
}
i = i / 6; /* position of EMRAT in constant array eh_cval */
if (js->eh_cval[i] != js->eh_emrat) {
if (serr != NULL)
sprintf(serr, "JPL ephemeris file error, record size failed EMRAT check");
sprintf(serr,
"JPL ephemeris file error, record size failed EMRAT check");
return ERR;
}
#endif
@ -734,9 +757,13 @@ static int state(double et, int32 *list, int do_bary,
/* some of our files are one record too long */
&& flen - nb != ksize * nrecl) {
if (serr != NULL) {
sprintf(serr, "JPL ephemeris file is mutilated; length = %d instead of %d.", flen, nb);
sprintf(serr,
"JPL ephemeris file is mutilated; length = %d instead of %d.",
flen, nb);
if (strlen(serr) + strlen(js->jplfname) < AS_MAXCH - 1)
sprintf(serr, "JPL ephemeris file %s is mutilated; length = %d instead of %d.", js->jplfname, flen, nb);
sprintf(serr,
"JPL ephemeris file %s is mutilated; length = %d instead of %d.",
js->jplfname, flen, nb);
}
return (NOT_AVAILABLE);
}
@ -752,7 +779,8 @@ static int state(double et, int32 *list, int do_bary,
reorder((char *)&ts[2], sizeof(double), 2);
if (ts[0] != js->eh_ss[0] || ts[3] != js->eh_ss[1]) {
if (serr != NULL)
strcpy(serr, "JPL ephemeris file is corrupt; start/end date check failed.");
strcpy(serr,
"JPL ephemeris file is corrupt; start/end date check failed.");
return NOT_AVAILABLE;
}
}
@ -765,14 +793,16 @@ static int state(double et, int32 *list, int do_bary,
/* error return for epoch out of range */
if (et < js->eh_ss[0] || et > js->eh_ss[1]) {
if (serr != NULL)
sprintf(serr,"jd %f outside JPL eph. range %.2f .. %.2f;", et, js->eh_ss[0], js->eh_ss[1]);
sprintf(serr, "jd %f outside JPL eph. range %.2f .. %.2f;", et,
js->eh_ss[0], js->eh_ss[1]);
return BEYOND_EPH_LIMITS;
}
/* calculate record # and relative time in interval */
nr = (int32) ((et_mn - js->eh_ss[0]) / js->eh_ss[2]) + 2;
if (et_mn == js->eh_ss[1])
--nr; /* end point of ephemeris, use last record */
t = (et_mn - ((nr - 2) * js->eh_ss[2] + js->eh_ss[0]) + et_fr) / js->eh_ss[2];
t = (et_mn - ((nr - 2) * js->eh_ss[2] + js->eh_ss[0]) +
et_fr) / js->eh_ss[2];
/* read correct record if not in core */
if (nr != nrl) {
nrl = nr;
@ -782,7 +812,8 @@ static int state(double et, int32 *list, int do_bary,
return NOT_AVAILABLE;
}
for (k = 1; k <= ncoeffs; ++k) {
if ( fread((void *) &buf[k - 1], sizeof(double), 1, js->jplfptr) != 1) {
if (fread((void *)&buf[k - 1], sizeof(double), 1, js->jplfptr) !=
1) {
if (serr != NULL)
sprintf(serr, "Read error in JPL eph. at %f\n", et);
return NOT_AVAILABLE;
@ -794,7 +825,8 @@ static int state(double et, int32 *list, int do_bary,
if (js->do_km) {
intv = js->eh_ss[2] * 86400.;
aufac = 1.;
} else {
}
else {
intv = js->eh_ss[2];
aufac = 1. / js->eh_au;
}
@ -811,7 +843,8 @@ static int state(double et, int32 *list, int do_bary,
for (j = 0; j < 6; ++j) {
if (i < 9 && !do_bary) {
pv[j + i * 6] = pv[j + i * 6] * aufac - pvsun[j];
} else {
}
else {
pv[j + i * 6] *= aufac;
}
}
@ -834,7 +867,8 @@ static int state(double et, int32 *list, int do_bary,
* this entry obtains the constants from the ephemeris file
* call state to initialize the ephemeris and read in the constants
*/
static int read_const_jpl(double *ss, char *serr)
static int
read_const_jpl(double *ss, char *serr)
{
int i, retc;
retc = state(0.0, NULL, FALSE, NULL, NULL, NULL, serr);
@ -846,22 +880,25 @@ static int read_const_jpl(double *ss, char *serr)
{
static char FAR *bname[] = {
"Mercury", "Venus", "EMB", "Mars", "Jupiter", "Saturn",
"Uranus", "Neptune", "Pluto", "Moon", "SunBary", "Nut", "Libr"};
"Uranus", "Neptune", "Pluto", "Moon", "SunBary", "Nut", "Libr"
};
int j, k;
int32 nb, nc;
printf(" JPL TEST-EPHEMERIS program. Version October 1995.\n");
for (i = 0; i < 13; i++) {
j = i * 3;
k = 3;
if (i == 11) k = 2;
if (i == 11)
k = 2;
nb = js->eh_ipt[j + 1] * js->eh_ipt[j + 2] * k;
nc = (int32) (nb * 36525L / js->eh_ss[2] * 8L);
printf("%s\t%d\tipt[%d]\t%3ld %2ld %2ld,\t",
bname[i], i, j, js->eh_ipt[j], js->eh_ipt[j+1], js->eh_ipt[j+2]);
printf("%s\t%d\tipt[%d]\t%3ld %2ld %2ld,\t", bname[i], i, j,
js->eh_ipt[j], js->eh_ipt[j + 1], js->eh_ipt[j + 2]);
printf("%3ld double, bytes per century = %6ld\n", nb, nc);
fflush(stdout);
}
printf("%16.2f %16.2f %16.2f\n", js->eh_ss[0], js->eh_ss[1], js->eh_ss[2]);
printf("%16.2f %16.2f %16.2f\n", js->eh_ss[0], js->eh_ss[1],
js->eh_ss[2]);
for (i = 0; i < js->eh_ncon; ++i)
printf("%.6s\t%24.16f\n", js->ch_cnam + i * 6, js->eh_cval[i]);
fflush(stdout);
@ -870,7 +907,8 @@ static int read_const_jpl(double *ss, char *serr)
return OK;
}
static void reorder(char *x, int size, int number)
static void
reorder(char *x, int size, int number)
{
int i, j;
char s[8];
@ -885,7 +923,8 @@ static void reorder(char *x, int size, int number)
}
}
void swi_close_jpl_file(void)
void
swi_close_jpl_file(void)
{
if (js != NULL) {
if (js->jplfptr != NULL)
@ -899,7 +938,8 @@ void swi_close_jpl_file(void)
}
}
int swi_open_jpl_file(double *ss, char *fname, char *fpath, char *serr)
int
swi_open_jpl_file(double *ss, char *fname, char *fpath, char *serr)
{
int retc = OK;
/* if open, return */
@ -907,8 +947,7 @@ int swi_open_jpl_file(double *ss, char *fname, char *fpath, char *serr)
return OK;
if ((js = (struct jpl_save *)CALLOC(1, sizeof(struct jpl_save))) == NULL
|| (js->jplfname = MALLOC(strlen(fname) + 1)) == NULL
|| (js->jplfpath = MALLOC(strlen(fpath)+1)) == NULL
) {
|| (js->jplfpath = MALLOC(strlen(fpath) + 1)) == NULL) {
if (serr != NULL)
strcpy(serr, "error in malloc() with JPL ephemeris.");
return ERR;
@ -929,9 +968,9 @@ int swi_open_jpl_file(double *ss, char *fname, char *fpath, char *serr)
return retc;
}
int32 swi_get_jpl_denum()
int32
swi_get_jpl_denum()
{
return js->eh_denum;
}
#endif /* NO_JPL */

9
swe/src/swejpl.h
View File

@ -1,3 +1,4 @@
/*
| $Header: /home/dieter/sweph/RCS/swejpl.h,v 1.74 2008/06/16 10:07:20 dieter Exp $
|
@ -10,6 +11,7 @@
Authors: Dieter Koch and Alois Treindl, Astrodienst Zurich
**************************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -89,7 +91,8 @@
* ntarg can be all of the above, ncent all except J_NUT and J_LIB.
* Librations and Nutations are not affected by ncent.
*/
extern int swi_pleph(double et, int ntarg, int ncent, double *rrd, char *serr);
extern int swi_pleph(double et, int ntarg, int ncent, double *rrd,
char *serr);
/*
* read the ephemeris constants. ss[0..2] returns start, end and granule size.
@ -97,9 +100,9 @@ extern int swi_pleph(double et, int ntarg, int ncent, double *rrd, char *serr);
*/
extern void swi_close_jpl_file(void);
extern int swi_open_jpl_file(double *ss, char *fname, char *fpath, char *serr);
extern int swi_open_jpl_file(double *ss, char *fname, char *fpath,
char *serr);
extern int32 swi_get_jpl_denum(void);
extern void swi_IERS_FK5(double *xin, double *xout, int dir);

240
swe/src/swemmoon.c
View File

@ -1,9 +1,11 @@
/* SWISSEPH
$Header: /home/dieter/sweph/RCS/swemmoon.c,v 1.74 2008/06/16 10:07:20 dieter Exp $
*
* Steve Moshier's analytical lunar ephemeris
**************************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -187,8 +189,8 @@ static void mean_elements(void);
static void mean_elements_pl(void);
static double mods3600(double x);
static void ecldat_equ2000(double tjd, double *xpm);
static void chewm(short *pt, int nlines, int nangles,
int typflg, double *ans );
static void chewm(short *pt, int nlines, int nangles, int typflg,
double *ans);
static void sscc(int k, double arg, int n);
static void moon1(void);
static void moon2(void);
@ -197,6 +199,7 @@ static void moon4(void);
#ifdef MOSH_MOON_200
/* The following coefficients were calculated by a simultaneous least
* squares fit between the analytical theory and the continued DE200
* numerically integrated ephemeris from 9000 BC to 13000 AD.
@ -277,12 +280,14 @@ static double z[] = {
-1.238363006354e-002, /* t^3 sin(2D + 2l' - l) */
};
#else
/* The following coefficients were calculated by a simultaneous least
* squares fit between the analytical theory and DE404 on the finite
* interval from -3000 to +3000.
* The coefficients were estimated from 34,247 Lunar positions.
*/
static double FAR z[] = {
/* The following are scaled in arc seconds, time in Julian centuries.
They replace the corresponding terms in the mean elements. */
-1.312045233711e+01, /* F, t^2 */
@ -297,6 +302,7 @@ static double FAR z[] = {
-5.663161722088e+00, /* L, t^2 */
5.722859298199e-03, /* L, t^3 */
-8.466472828815e-05, /* L, t^4 */
/* The following longitude terms are in arc seconds times 10^5. */
-8.429817796435e+01, /* t^2 cos(18V - 16E - l) */
-2.072552484689e+02, /* t^2 sin(18V - 16E - l) */
@ -318,6 +324,7 @@ static double FAR z[] = {
*/
#define NLR 118
static short FAR LR[8 * NLR] = {
/*
Longitude Radius
D l' l F 1" .0001" 1km .0001km */
@ -446,6 +453,7 @@ static short FAR LR[8*NLR] = {
#ifdef MOSH_MOON_200
#define NMB 56
static short FAR MB[6 * NMB] = {
/*
Latitude
D l' l F 1" .0001" */
@ -510,6 +518,7 @@ static short FAR MB[6*NMB] = {
#else
#define NMB 77
static short FAR MB[6 * NMB] = {
/*
Latitude
D l' l F 1" .0001" */
@ -596,6 +605,7 @@ static short FAR MB[6*NMB] = {
#define NLRT 38
static short FAR LRT[8 * NLRT] = {
/*
Multiply by T
Longitude Radius
@ -643,6 +653,7 @@ Multiply by T
#define NBT 16
static short FAR BT[5 * NBT] = {
/*
Multiply by T
Latitude
@ -668,6 +679,7 @@ Multiply by T
#define NLRT2 25
static short FAR LRT2[6 * NLRT2] = {
/*
Multiply by T^2
Longitude Radius
@ -702,6 +714,7 @@ Multiply by T^2
#define NBT2 12
static short FAR BT2[5 * NBT2] = {
/*
Multiply by T^2
Latitiude
@ -762,7 +775,8 @@ static double l4;
/* Calculate geometric coordinates of Moon
* without light time or nutation correction.
*/
int swi_moshmoon2(double J, double *pol)
int
swi_moshmoon2(double J, double *pol)
{
int i;
T = (J - J2000) / 36525.0;
@ -783,7 +797,8 @@ return(0);
* xpm array of 6 doubles for moon's position and speed vectors
* serr pointer to error string
*/
int swi_moshmoon(double tjd, AS_BOOL do_save, double *xpmret, char *serr)
int
swi_moshmoon(double tjd, AS_BOOL do_save, double *xpmret, char *serr)
{
int i;
double a, b, x1[6], x2[6], t;
@ -851,7 +866,8 @@ int swi_moshmoon(double tjd, AS_BOOL do_save, double *xpmret, char *serr)
}
#ifdef MOSH_MOON_200
static void moon1()
static void
moon1()
{
double a;
@ -1096,10 +1112,13 @@ moonpol[1] *= a;
moonpol[2] *= a;
}
#else
static void moon1()
static void
moon1()
{
double a;
/* This code added by Bhanu Pinnamaneni, 17-aug-2009 */
/* Note by Dieter: Bhanu noted that ss and cc are not sufficiently
* initialised and random values are used for the calculation.
* However, this may be only part of the bug.
@ -1114,6 +1133,7 @@ for (i = 0; i < 5; i++) {
cc[i][j] = 0;
}
}
/* End of code addition */
sscc(0, STR * D, 6);
sscc(1, STR * M, 4);
@ -1122,6 +1142,7 @@ sscc( 3, STR*NF, 4 );
moonpol[0] = 0.0;
moonpol[1] = 0.0;
moonpol[2] = 0.0;
/* terms in T^2, scale 1.0 = 10^-5" */
chewm(LRT2, NLRT2, 4, 2, moonpol);
chewm(BT2, NBT2, 4, 4, moonpol);
@ -1178,8 +1199,10 @@ cg = cos(g);
sg = sin(g);
l += 0.000116 * cg + 7.063040 * sg;
l1 += 298.8 * sg;
/* T^3 terms */
sg = sin(STR * M);
/* l3 += z[24] * sg; moshier! l3 not initialized! */
l3 = z[24] * sg;
l4 = 0;
@ -1200,6 +1223,7 @@ g = STR*(2.0*D - M - MP);
moonpol[2] += -0.1910 * cos(g) * T;
moonpol[1] *= T;
moonpol[2] *= T;
/* terms in T */
moonpol[0] = 0.0;
chewm(BT, NBT, 4, 4, moonpol);
@ -1281,8 +1305,10 @@ moonpol[2] *= a;
}
#endif /* MOSH_MOON_200 */
static void moon2()
static void
moon2()
{
/* terms in T^0 */
g = STR * (2 * (Ea - Ju + D) - MP + 648431.172);
l += 1.14307 * sin(g);
@ -1358,8 +1384,10 @@ g = STR*(SWELP - 2.0*D + 2.5);
B += 0.29855 * sin(g);
}
static void moon3()
static void
moon3()
{
/* terms in T^0 */
moonpol[0] = 0.0;
chewm(LR, NLR, 4, 1, moonpol);
@ -1372,7 +1400,8 @@ moonpol[2] = 1.0e-4 * moonpol[2] + 385000.52899; /* kilometers */
/* Compute final ecliptic polar coordinates
*/
static void moon4()
static void
moon4()
{
moonpol[2] /= AUNIT / 1000;
moonpol[0] = STR * mods3600(moonpol[0]);
@ -1385,7 +1414,8 @@ B = moonpol[1];
* pol return array for position and velocity
* (polar coordinates of ecliptic of date)
*/
int swi_mean_node(double J, double *pol, char *serr)
int
swi_mean_node(double J, double *pol, char *serr)
{
#if 0
double a, b, c;
@ -1398,8 +1428,8 @@ int swi_mean_node(double J, double *pol, char *serr)
/* with elements from swi_moshmoon2(), which are fitted to jpl-ephemeris */
if (J < MOSHNDEPH_START || J > MOSHNDEPH_END) {
if (serr != NULL) {
sprintf(s, "jd %f outside mean node range %.2f .. %.2f ",
J, MOSHNDEPH_START, MOSHNDEPH_END);
sprintf(s, "jd %f outside mean node range %.2f .. %.2f ", J,
MOSHNDEPH_START, MOSHNDEPH_END);
if (strlen(serr) + strlen(s) < AS_MAXCH)
strcat(serr, s);
}
@ -1416,8 +1446,9 @@ int swi_mean_node(double J, double *pol, char *serr)
#if 0
a = pol[0];
/* Chapront, according to Meeus, German, p. 339 */
pol[0] = 125.0445550 - 1934.1361849 * T + 0.0020762 * T2 +
T3 / 467410 - T4 / 60616000;
pol[0] =
125.0445550 - 1934.1361849 * T + 0.0020762 * T2 + T3 / 467410 -
T4 / 60616000;
pol[0] = swi_mod2PI(pol[0] * DEGTORAD);
c = pol[0];
printf("mean node\n");
@ -1432,7 +1463,8 @@ int swi_mean_node(double J, double *pol, char *serr)
* (polar coordinates of ecliptic of date)
* serr error return string
*/
int swi_mean_apog(double J, double *pol, char *serr)
int
swi_mean_apog(double J, double *pol, char *serr)
{
#if 0
int i;
@ -1448,8 +1480,8 @@ int swi_mean_apog(double J, double *pol, char *serr)
/* with elements from swi_moshmoon2(), which are fitted to jpl-ephemeris */
if (J < MOSHNDEPH_START || J > MOSHNDEPH_END) {
if (serr != NULL) {
sprintf(s, "jd %f outside mean apogee range %.2f .. %.2f ",
J, MOSHNDEPH_START, MOSHNDEPH_END);
sprintf(s, "jd %f outside mean apogee range %.2f .. %.2f ", J,
MOSHNDEPH_START, MOSHNDEPH_END);
if (strlen(serr) + strlen(s) < AS_MAXCH)
strcat(serr, s);
}
@ -1460,8 +1492,9 @@ int swi_mean_apog(double J, double *pol, char *serr)
#if 0
a = pol[0];
/* Chapront, according to Meeus, German, p. 339 */
pol[0] = 83.3532430 + 4069.0137111 * T - 0.0103238 * T2
- T3 / 80053 + T4 / 18999000;
pol[0] =
83.3532430 + 4069.0137111 * T - 0.0103238 * T2 - T3 / 80053 +
T4 / 18999000;
pol[0] = swi_mod2PI(pol[0] * DEGTORAD + PI);
b = pol[0];
printf("mean apogee\n");
@ -1524,7 +1557,8 @@ int swi_mean_apog(double J, double *pol, char *serr)
/* Program to step through the perturbation table
*/
static void chewm(short *pt, int nlines, int nangles, int typflg, double *ans )
static void
chewm(short *pt, int nlines, int nangles, int typflg, double *ans)
{
int i, j, k, k1, m;
double cu, su, cv, sv, ff;
@ -1536,11 +1570,13 @@ static void chewm(short *pt, int nlines, int nangles, int typflg, double *ans )
j = *pt++; /* multiple angle factor */
if (j) {
k = j;
if( j < 0 ) k = -k; /* make angle factor > 0 */
if (j < 0)
k = -k; /* make angle factor > 0 */
/* sin, cos (k*angle) from lookup table */
su = ss[m][k - 1];
cu = cc[m][k - 1];
if( j < 0 ) su = -su; /* negative angle factor */
if (j < 0)
su = -su; /* negative angle factor */
if (k1 == 0) {
/* Set sin, cos of first angle. */
sv = su;
@ -1565,7 +1601,8 @@ static void chewm(short *pt, int nlines, int nangles, int typflg, double *ans )
ans[0] += (10000.0 * j + k) * sv;
j = *pt++;
k = *pt++;
if( k ) ans[2] += (10000.0 * j + k) * cv;
if (k)
ans[2] += (10000.0 * j + k) * cv;
break;
/* longitude and radius */
case 2:
@ -1592,7 +1629,8 @@ static void chewm(short *pt, int nlines, int nangles, int typflg, double *ans )
/* Prepare lookup table of sin and cos ( i*Lj )
* for required multiple angles
*/
static void sscc(int k, double arg, int n )
static void
sscc(int k, double arg, int n)
{
double cu, su, cv, sv, s;
int i;
@ -1618,19 +1656,22 @@ static void sscc(int k, double arg, int n )
* tjd date
* x array of position
*/
static void ecldat_equ2000(double tjd, double *xpm) {
static void
ecldat_equ2000(double tjd, double *xpm)
{
/* cartesian */
swi_polcart(xpm, xpm);
/* equatorial */
swi_coortrf2(xpm, xpm, -swed.oec.seps, swed.oec.ceps);
/* j2000 */
swi_precess(xpm, tjd, J_TO_J2000);/**/
}
swi_precess(xpm, tjd, J_TO_J2000);
/**/}
/* Reduce arc seconds modulo 360 degrees
* answer in arc seconds
*/
static double mods3600(double x)
static double
mods3600(double x)
{
double lx;
lx = x;
@ -1638,9 +1679,9 @@ lx = lx - 1296000.0 * floor( lx/1296000.0 );
return (lx);
}
void swi_mean_lunar_elements(double tjd,
double *node, double *dnode,
double *peri, double *dperi)
void
swi_mean_lunar_elements(double tjd, double *node, double *dnode, double *peri,
double *dperi)
{
T = (tjd - J2000) / 36525.0;
T2 = T * T;
@ -1654,55 +1695,79 @@ void swi_mean_lunar_elements(double tjd,
*dperi = swe_degnorm(*peri - (SWELP - MP) * STR * RADTODEG);
}
static void mean_elements()
static void
mean_elements()
{
double fracT = fmod(T, 1);
/* Mean anomaly of sun = l' (J. Laskar) */
/*M = mods3600(129596581.038354 * T + 1287104.76154);*/
M = mods3600(129600000.0 * fracT - 3418.961646 * T + 1287104.76154);
M += ((((((((
1.62e-20 * T
- 1.0390e-17 ) * T
- 3.83508e-15 ) * T
+ 4.237343e-13 ) * T
+ 8.8555011e-11 ) * T
- 4.77258489e-8 ) * T
- 1.1297037031e-5 ) * T
+ 1.4732069041e-4 ) * T
- 0.552891801772 ) * T2;
M += ((((((((1.62e-20 * T - 1.0390e-17) * T - 3.83508e-15) * T +
4.237343e-13) * T + 8.8555011e-11) * T - 4.77258489e-8) * T -
1.1297037031e-5) * T + 1.4732069041e-4) * T -
0.552891801772) * T2;
#ifdef MOSH_MOON_200
/* Mean distance of moon from its ascending node = F */
NF = mods3600(1739527263.0983 * T + 335779.55755);
/* Mean anomaly of moon = l */
MP = mods3600(1717915923.4728 * T + 485868.28096);
/* Mean elongation of moon = D */
D = mods3600(1602961601.4603 * T + 1072260.73512);
/* Mean longitude of moon */
SWELP = mods3600(1732564372.83264 * T + 785939.95571);
/* Higher degree secular terms found by least squares fit */
NF += (((((z[5] *T+z[4] )*T + z[3] )*T + z[2] )*T + z[1] )*T + z[0] )*T2;
MP += (((((z[11]*T+z[10])*T + z[9] )*T + z[8] )*T + z[7] )*T + z[6] )*T2;
D += (((((z[17]*T+z[16])*T + z[15])*T + z[14])*T + z[13])*T + z[12])*T2;
SWELP += (((((z[23]*T+z[22])*T + z[21])*T + z[20])*T + z[19])*T + z[18])*T2;
NF +=
(((((z[5] * T + z[4]) * T + z[3]) * T + z[2]) * T + z[1]) * T +
z[0]) * T2;
MP +=
(((((z[11] * T + z[10]) * T + z[9]) * T + z[8]) * T + z[7]) * T +
z[6]) * T2;
D += (((((z[17] * T + z[16]) * T + z[15]) * T + z[14]) * T + z[13]) * T +
z[12]) * T2;
SWELP +=
(((((z[23] * T + z[22]) * T + z[21]) * T + z[20]) * T + z[19]) * T +
z[18]) * T2;
#else
/* Mean distance of moon from its ascending node = F */
/*NF = mods3600((1739527263.0983 - 2.079419901760e-01) * T + 335779.55755);*/
NF = mods3600(1739232000.0 * fracT + 295263.0983 * T - 2.079419901760e-01 * T + 335779.55755);
NF = mods3600(1739232000.0 * fracT + 295263.0983 * T -
2.079419901760e-01 * T + 335779.55755);
/* Mean anomaly of moon = l */
/*MP = mods3600((1717915923.4728 - 2.035946368532e-01) * T + 485868.28096);*/
MP = mods3600(1717200000.0 * fracT + 715923.4728 * T - 2.035946368532e-01 * T + 485868.28096);
MP = mods3600(1717200000.0 * fracT + 715923.4728 * T -
2.035946368532e-01 * T + 485868.28096);
/* Mean elongation of moon = D */
/*D = mods3600((1602961601.4603 + 3.962893294503e-01) * T + 1072260.73512);*/
D = mods3600(1601856000.0 * fracT + 1105601.4603 * T + 3.962893294503e-01 * T + 1072260.73512);
D = mods3600(1601856000.0 * fracT + 1105601.4603 * T +
3.962893294503e-01 * T + 1072260.73512);
/* Mean longitude of moon, referred to the mean ecliptic and equinox of date */
/*SWELP = mods3600((1732564372.83264 - 6.784914260953e-01) * T + 785939.95571);*/
SWELP = mods3600(1731456000.0 * fracT + 1108372.83264 * T - 6.784914260953e-01 * T + 785939.95571);
SWELP =
mods3600(1731456000.0 * fracT + 1108372.83264 * T -
6.784914260953e-01 * T + 785939.95571);
/* Higher degree secular terms found by least squares fit */
NF += ((z[2] * T + z[1]) * T + z[0]) * T2;
MP += ((z[5] * T + z[4]) * T + z[3]) * T2;
D += ((z[8] * T + z[7]) * T + z[6]) * T2;
SWELP += ((z[11] * T + z[10]) * T + z[9]) * T2;
#endif /* ! MOSH_MOON_200 */
/* sensitivity of mean elements
* delta argument = scale factor times delta amplitude (arcsec)
* cos l 9.0019 = mean eccentricity
@ -1711,30 +1776,21 @@ SWELP += ((z[11]*T + z[10])*T + z[9])*T2;
*/
}
void mean_elements_pl()
void
mean_elements_pl()
{
/* Mean longitudes of planets (Laskar, Bretagnon) */
Ve = mods3600(210664136.4335482 * T + 655127.283046);
Ve += ((((((((
-9.36e-023 * T
- 1.95e-20 ) * T
+ 6.097e-18 ) * T
+ 4.43201e-15 ) * T
+ 2.509418e-13 ) * T
- 3.0622898e-10 ) * T
- 2.26602516e-9 ) * T
- 1.4244812531e-5 ) * T
+ 0.005871373088 ) * T2;
Ve +=
((((((((-9.36e-023 * T - 1.95e-20) * T + 6.097e-18) * T +
4.43201e-15) * T + 2.509418e-13) * T - 3.0622898e-10) * T -
2.26602516e-9) * T - 1.4244812531e-5) * T + 0.005871373088) * T2;
Ea = mods3600(129597742.26669231 * T + 361679.214649);
Ea += (((((((( -1.16e-22 * T
+ 2.976e-19 ) * T
+ 2.8460e-17 ) * T
- 1.08402e-14 ) * T
- 1.226182e-12 ) * T
+ 1.7228268e-10 ) * T
+ 1.515912254e-7 ) * T
+ 8.863982531e-6 ) * T
- 2.0199859001e-2 ) * T2;
Ea +=
((((((((-1.16e-22 * T + 2.976e-19) * T + 2.8460e-17) * T -
1.08402e-14) * T - 1.226182e-12) * T + 1.7228268e-10) * T +
1.515912254e-7) * T + 8.863982531e-6) * T - 2.0199859001e-2) * T2;
Ma = mods3600(68905077.59284 * T + 1279559.78866);
Ma += (-1.043e-5 * T + 9.38012e-3) * T2;
Ju = mods3600(10925660.428608 * T + 123665.342120);
@ -1745,19 +1801,21 @@ Sa += (( 4.475946e-8*T - 6.874806E-5 ) * T + 7.56161437443E-1)*T2;
/* Calculate geometric coordinates of true interpolated Moon apsides
*/
int swi_intp_apsides(double J, double *pol, int ipli)
int
swi_intp_apsides(double J, double *pol, int ipli)
{
double dd;
double rsv[3];
double sNF, sD, sLP, sMP, sM, sVe, sEa, sMa, sJu, sSa, fM, fVe, fEa, fMa, fJu, fSa, cMP, zMP, fNF, fD, fLP;
double sNF, sD, sLP, sMP, sM, sVe, sEa, sMa, sJu, sSa, fM, fVe, fEa, fMa,
fJu, fSa, cMP, zMP, fNF, fD, fLP;
double dMP, mLP, mNF, mD, mMP;
int i, ii, iii, niter = 4; /* niter: silence compiler warning */
ii = 1;
zMP = 27.55454988;
fNF = 27.212220817/zMP;/**/
fD = 29.530588835/zMP;/**/
fLP = 27.321582/zMP;/**/
fM = 365.2596359/zMP;
fNF = 27.212220817 / zMP;
/**/ fD = 29.530588835 / zMP;
/**/ fLP = 27.321582 / zMP;
/**/ fM = 365.2596359 / zMP;
fVe = 224.7008001 / zMP;
fEa = 365.2563629 / zMP;
fMa = 686.9798519 / zMP;
@ -1782,19 +1840,25 @@ sNF = mods3600(NF);
sD = mods3600(D);
sLP = mods3600(SWELP);
sMP = mods3600(MP);
if (ipli == SEI_INTP_PERG) {MP = 0.0; niter = 5;}
if (ipli == SEI_INTP_APOG) {MP = 648000.0; niter = 4;}
if (ipli == SEI_INTP_PERG) {
MP = 0.0;
niter = 5;
}
if (ipli == SEI_INTP_APOG) {
MP = 648000.0;
niter = 4;
}
cMP = 0;
dd = 18000.0;
for (iii= 0; iii<=niter; iii++) {/**/
dMP = sMP - MP;
for (iii = 0; iii <= niter; iii++) {
/**/ dMP = sMP - MP;
mLP = sLP - dMP;
mNF = sNF - dMP;
mD = sD - dMP;
mMP = sMP - dMP;
for (ii = 0; ii <=2; ii++) {/**/
MP = mMP + (ii-1)*dd; /**/
NF = mNF + (ii-1)*dd/fNF;
for (ii = 0; ii <= 2; ii++) {
/**/ MP = mMP + (ii - 1) * dd;
/**/ NF = mNF + (ii - 1) * dd / fNF;
D = mD + (ii - 1) * dd / fD;
SWELP = mLP + (ii - 1) * dd / fLP;
M = sM + (ii - 1) * dd / fM;
@ -1808,12 +1872,15 @@ for (iii= 0; iii<=niter; iii++) {/**/
moon3();
moon4();
if (ii == 1) {
for( i=0; i<3; i++ ) pol[i] = moonpol[i];
for (i = 0; i < 3; i++)
pol[i] = moonpol[i];
}
rsv[ii] = moonpol[2];
}
cMP = (1.5*rsv[0] - 2*rsv[1] + 0.5*rsv[2]) / (rsv[0] + rsv[2] - 2*rsv[1]);/**/
cMP *= dd;
cMP =
(1.5 * rsv[0] - 2 * rsv[1] + 0.5 * rsv[2]) / (rsv[0] + rsv[2] -
2 * rsv[1]);
/**/ cMP *= dd;
cMP = cMP - dd;
mMP += cMP;
MP = mMP;
@ -1821,4 +1888,3 @@ for (iii= 0; iii<=niter; iii++) {/**/
}
return (0);
}

223
swe/src/swemplan.c
View File

@ -1,3 +1,4 @@
/* SWISSEPH
$Header: /home/dieter/sweph/RCS/swemplan.c,v 1.74 2008/06/16 10:07:20 dieter Exp $
Moshier planet routines
@ -5,6 +6,7 @@
modified for SWISSEPH by Dieter Koch
**************************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -71,23 +73,24 @@
#define FICT_GEO 1
#define KGAUSS_GEO 0.0000298122353216 /* Earth only */
/* #define KGAUSS_GEO 0.00002999502129737 Earth + Moon */
static void embofs_mosh(double J, double *xemb);
static int check_t_terms(double t, char *sinp, double *doutp);
static int read_elements_file(int32 ipl, double tjd,
double *tjd0, double *tequ,
double *mano, double *sema, double *ecce,
double *parg, double *node, double *incl,
char *pname, int32 *fict_ifl, char *serr);
static int read_elements_file(int32 ipl, double tjd, double *tjd0,
double *tequ, double *mano, double *sema,
double *ecce, double *parg, double *node,
double *incl, char *pname, int32 * fict_ifl,
char *serr);
static int pnoint2msh[] = { 2, 2, 0, 1, 3, 4, 5, 6, 7, 8, };
/* From Simon et al (1994) */
static double freqs[] =
{
static double freqs[] = {
/* Arc sec per 10000 Julian years. */
53810162868.8982,
21066413643.3548,
@ -100,8 +103,8 @@ static double freqs[] =
52272245.1795
};
static double phases[] =
{
static double phases[] = {
/* Arc sec. */
252.25090552 * 3600.,
181.97980085 * 3600.,
@ -114,8 +117,7 @@ static double phases[] =
860492.1546,
};
static struct plantbl *planets[] =
{
static struct plantbl *planets[] = {
&mer404,
&ven404,
&ear404,
@ -132,7 +134,8 @@ static double FAR cc[9][24];
static void sscc(int k, double arg, int n);
int swi_moshplan2 (double J, int iplm, double *pobj)
int
swi_moshplan2(double J, int iplm, double *pobj)
{
int i, j, k, m, k1, ip, np, nt;
signed char FAR *p;
@ -143,10 +146,8 @@ int swi_moshplan2 (double J, int iplm, double *pobj)
T = (J - J2000) / TIMESCALE;
/* Calculate sin( i*MM ), etc. for needed multiple angles. */
for (i = 0; i < 9; i++)
{
if ((j = plan->max_harmonic[i]) > 0)
{
for (i = 0; i < 9; i++) {
if ((j = plan->max_harmonic[i]) > 0) {
sr = (mods3600(freqs[i] * T) + phases[i]) * STR;
sscc(i, sr, j);
}
@ -162,34 +163,29 @@ int swi_moshplan2 (double J, int iplm, double *pobj)
sb = 0.0;
sr = 0.0;
for (;;)
{
for (;;) {
/* argument of sine and cosine */
/* Number of periodic arguments. */
np = *p++;
if (np < 0)
break;
if (np == 0)
{ /* It is a polynomial term. */
if (np == 0) { /* It is a polynomial term. */
nt = *p++;
/* Longitude polynomial. */
cu = *pl++;
for (ip = 0; ip < nt; ip++)
{
for (ip = 0; ip < nt; ip++) {
cu = cu * T + *pl++;
}
sl += mods3600(cu);
/* Latitude polynomial. */
cu = *pb++;
for (ip = 0; ip < nt; ip++)
{
for (ip = 0; ip < nt; ip++) {
cu = cu * T + *pb++;
}
sb += cu;
/* Radius polynomial. */
cu = *pr++;
for (ip = 0; ip < nt; ip++)
{
for (ip = 0; ip < nt; ip++) {
cu = cu * T + *pr++;
}
sr += cu;
@ -198,14 +194,12 @@ int swi_moshplan2 (double J, int iplm, double *pobj)
k1 = 0;
cv = 0.0;
sv = 0.0;
for (ip = 0; ip < np; ip++)
{
for (ip = 0; ip < np; ip++) {
/* What harmonic. */
j = *p++;
/* Which planet. */
m = *p++ - 1;
if (j)
{
if (j) {
k = j;
if (j < 0)
k = -k;
@ -214,14 +208,12 @@ int swi_moshplan2 (double J, int iplm, double *pobj)
if (j < 0)
su = -su;
cu = cc[m][k];
if (k1 == 0)
{ /* set first angle */
if (k1 == 0) { /* set first angle */
sv = su;
cv = cu;
k1 = 1;
}
else
{ /* combine angles */
else { /* combine angles */
t = su * cv + cu * sv;
cv = cu * cv - su * sv;
sv = t;
@ -233,8 +225,7 @@ int swi_moshplan2 (double J, int iplm, double *pobj)
/* Longitude. */
cu = *pl++;
su = *pl++;
for (ip = 0; ip < nt; ip++)
{
for (ip = 0; ip < nt; ip++) {
cu = cu * T + *pl++;
su = su * T + *pl++;
}
@ -242,8 +233,7 @@ int swi_moshplan2 (double J, int iplm, double *pobj)
/* Latitiude. */
cu = *pb++;
su = *pb++;
for (ip = 0; ip < nt; ip++)
{
for (ip = 0; ip < nt; ip++) {
cu = cu * T + *pb++;
su = su * T + *pb++;
}
@ -251,8 +241,7 @@ int swi_moshplan2 (double J, int iplm, double *pobj)
/* Radius. */
cu = *pr++;
su = *pr++;
for (ip = 0; ip < nt; ip++)
{
for (ip = 0; ip < nt; ip++) {
cu = cu * T + *pr++;
su = su * T + *pr++;
}
@ -274,7 +263,9 @@ int swi_moshplan2 (double J, int iplm, double *pobj)
* xe earth's
* serr error string
*/
int swi_moshplan(double tjd, int ipli, AS_BOOL do_save, double *xpret, double *xeret, char *serr)
int
swi_moshplan(double tjd, int ipli, AS_BOOL do_save, double *xpret,
double *xeret, char *serr)
{
int i;
int do_earth = FALSE;
@ -290,7 +281,8 @@ int swi_moshplan(double tjd, int ipli, AS_BOOL do_save, double *xpret, double *x
if (do_save) {
xp = pdp->x;
xe = pedp->x;
} else {
}
else {
xp = xxp;
xe = xxe;
}
@ -308,10 +300,10 @@ int swi_moshplan(double tjd, int ipli, AS_BOOL do_save, double *xpret, double *x
}
/* earth, for geocentric position */
if (do_earth) {
if (tjd == pedp->teval
&& pedp->iephe == SEFLG_MOSEPH) {
if (tjd == pedp->teval && pedp->iephe == SEFLG_MOSEPH) {
xe = pedp->x;
} else {
}
else {
/* emb */
swi_moshplan2(tjd, pnoint2msh[SEI_EMB], xe); /* emb hel. ecl. 2000 polar */
swi_polcart(xe, xe); /* to cartesian */
@ -326,8 +318,8 @@ int swi_moshplan(double tjd, int ipli, AS_BOOL do_save, double *xpret, double *x
swi_moshplan2(tjd - PLAN_SPEED_INTV, pnoint2msh[SEI_EMB], x2);
swi_polcart(x2, x2);
swi_coortrf2(x2, x2, -seps2000, ceps2000);
embofs_mosh(tjd - PLAN_SPEED_INTV, x2);/**/
for (i = 0; i <= 2; i++)
embofs_mosh(tjd - PLAN_SPEED_INTV, x2);
/**/ for (i = 0; i <= 2; i++)
dx[i] = (xe[i] - x2[i]) / PLAN_SPEED_INTV;
/* store speed */
for (i = 0; i <= 2; i++) {
@ -341,18 +333,20 @@ int swi_moshplan(double tjd, int ipli, AS_BOOL do_save, double *xpret, double *x
/* earth is the planet wanted */
if (ipli == SEI_EARTH) {
xp = xe;
} else {
}
else {
/* other planet */
/* if planet has already been computed, return */
if (tjd == pdp->teval && pdp->iephe == SEFLG_MOSEPH) {
xp = pdp->x;
} else {
}
else {
swi_moshplan2(tjd, iplm, xp);
swi_polcart(xp, xp);
swi_coortrf2(xp, xp, -seps2000, ceps2000);
if (do_save) {
pdp->teval = tjd;/**/
pdp->xflgs = -1;
pdp->teval = tjd;
/**/ pdp->xflgs = -1;
pdp->iephe = SEFLG_MOSEPH;
}
/* one more position for speed.
@ -385,7 +379,8 @@ int swi_moshplan(double tjd, int ipli, AS_BOOL do_save, double *xpret, double *x
/* Prepare lookup table of sin and cos ( i*Lj )
* for required multiple angles
*/
static void sscc (int k, double arg, int n)
static void
sscc(int k, double arg, int n)
{
double cu, su, cv, sv, s;
int i;
@ -398,8 +393,7 @@ static void sscc (int k, double arg, int n)
cv = cu * cu - su * su;
ss[k][1] = sv; /* sin(2L) */
cc[k][1] = cv;
for (i = 2; i < n; i++)
{
for (i = 2; i < n; i++) {
s = su * cv + cu * sv;
cv = cu * cv - su * sv;
sv = s;
@ -414,7 +408,8 @@ static void sscc (int k, double arg, int n)
* J = Julian day number
* xemb = rectangular equatorial coordinates of Earth
*/
static void embofs_mosh(double tjd, double *xemb)
static void
embofs_mosh(double tjd, double *xemb)
{
double T, M, a, L, B, p;
double smp, cmp, s2mp, c2mp, s2d, c2d, sf, cf;
@ -426,19 +421,22 @@ static void embofs_mosh(double tjd, double *xemb)
*/
T = (tjd - J1900) / 36525.0;
/* Mean anomaly of moon (MP) */
a = swe_degnorm(((1.44e-5*T + 0.009192)*T + 477198.8491)*T + 296.104608);
a = swe_degnorm(((1.44e-5 * T + 0.009192) * T + 477198.8491) * T +
296.104608);
a *= DEGTORAD;
smp = sin(a);
cmp = cos(a);
s2mp = 2.0 * smp * cmp; /* sin(2MP) */
c2mp = cmp * cmp - smp * smp; /* cos(2MP) */
/* Mean elongation of moon (D) */
a = swe_degnorm(((1.9e-6*T - 0.001436)*T + 445267.1142)*T + 350.737486);
a = swe_degnorm(((1.9e-6 * T - 0.001436) * T + 445267.1142) * T +
350.737486);
a = 2.0 * DEGTORAD * a;
s2d = sin(a);
c2d = cos(a);
/* Mean distance of moon from its ascending node (F) */
a = swe_degnorm((( -3.e-7*T - 0.003211)*T + 483202.0251)*T + 11.250889);
a = swe_degnorm(((-3.e-7 * T - 0.003211) * T + 483202.0251) * T +
11.250889);
a *= DEGTORAD;
sf = sin(a);
cf = cos(a);
@ -448,29 +446,22 @@ static void embofs_mosh(double tjd, double *xemb)
/* Mean longitude of moon (LP) */
L = ((1.9e-6 * T - 0.001133) * T + 481267.8831) * T + 270.434164;
/* Mean anomaly of sun (M) */
M = swe_degnorm((( -3.3e-6*T - 1.50e-4)*T + 35999.0498)*T + 358.475833);
M = swe_degnorm(((-3.3e-6 * T - 1.50e-4) * T + 35999.0498) * T +
358.475833);
/* Ecliptic longitude of the moon */
L = L
+ 6.288750*smp
+ 1.274018*sx
+ 0.658309*s2d
+ 0.213616*s2mp
- 0.185596*sin( DEGTORAD * M )
L = L + 6.288750 * smp + 1.274018 * sx + 0.658309 * s2d +
0.213616 * s2mp - 0.185596 * sin(DEGTORAD * M)
- 0.114336 * s2f;
/* Ecliptic latitude of the moon */
a = smp * cf;
sx = cmp * sf;
B = 5.128189*sf
+ 0.280606*(a+sx) /* sin(MP+F) */
B = 5.128189 * sf + 0.280606 * (a + sx) /* sin(MP+F) */
+0.277693 * (a - sx) /* sin(MP-F) */
+0.173238 * (s2d * cf - c2d * sf); /* sin(2D-F) */
B *= DEGTORAD;
/* Parallax of the moon */
p = 0.950724
+0.051818*cmp
+0.009531*cx
+0.007843*c2d
+0.002824*c2mp;
p = 0.950724 + 0.051818 * cmp + 0.009531 * cx + 0.007843 * c2d +
0.002824 * c2mp;
p *= DEGTORAD;
/* Elongation of Moon from Sun
*/
@ -486,7 +477,8 @@ static void embofs_mosh(double tjd, double *xemb)
/* Convert to equatorial */
swi_coortrf2(xyz, xyz, -seps, ceps);
/* Precess to equinox of J2000.0 */
swi_precess(xyz, tjd, J_TO_J2000);/**/
swi_precess(xyz, tjd, J_TO_J2000);
/**/
/* now emb -> earth */
for (i = 0; i <= 2; i++)
xemb[i] -= xyz[i] / (EARTH_MOON_MRAT + 1.0);
@ -509,13 +501,15 @@ static char *plan_fict_nam[SE_NFICT_ELEM] =
"Apollon", "Admetos", "Vulkanus", "Poseidon",
"Isis-Transpluto", "Nibiru", "Harrington",
"Leverrier", "Adams",
"Lowell", "Pickering",};
"Lowell", "Pickering",
};
char *swi_get_fict_name(int32 ipl, char *snam)
char *
swi_get_fict_name(int32 ipl, char *snam)
{
if (read_elements_file(ipl, 0, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL,
snam, NULL, NULL) == ERR)
if (read_elements_file
(ipl, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, snam, NULL,
NULL) == ERR)
strcpy(snam, "name not found");
return snam;
}
@ -547,11 +541,12 @@ static double plan_oscu_elem[SE_NFICT_ELEM][8] = {
* The fraction is counted from 1 Jan. 1772 */
{2368547.66, 2431456.5, 0.0, 77.775, 0.3, 0.7, 0, 0},
/* Nibiru, elements from Christian Woeltge, Hannover */
{1856113.380954, 1856113.380954, 0.0, 234.8921, 0.981092, 103.966, -44.567, 158.708},
{1856113.380954, 1856113.380954, 0.0, 234.8921, 0.981092, 103.966,
-44.567, 158.708},
/* Harrington, elements from Astronomical Journal 96(4), Oct. 1988 */
{2374696.5, J2000, 0.0, 101.2, 0.411, 208.5, 275.4, 32.4},
/* Leverrier's Neptune,
according to W.G. Hoyt, "Planets X and Pluto", Tucson 1980, p. 63 */
* according to W.G. Hoyt, "Planets X and Pluto", Tucson 1980, p. 63 */
{2395662.5, 2395662.5, 34.05, 36.15, 0.10761, 284.75, 0, 0},
/* Adam's Neptune */
{2395662.5, 2395662.5, 24.28, 37.25, 0.12062, 299.11, 0, 0},
@ -567,7 +562,8 @@ static double plan_oscu_elem[SE_NFICT_ELEM][8] = {
0.7870946565779195e-01, 0.5809199028919189e+02,
0.8650119410725021e+02, 0.1066835622280712e+02},
/* Chiron, Bowell database 18-mar-1997 */
{2450500.5, J2000, 7.258191, 13.67387471, 0.38174778, 339.558345, 209.379239, 6.933360}, /**/
{2450500.5, J2000, 7.258191, 13.67387471, 0.38174778, 339.558345,
209.379239, 6.933360}, /**/
#endif
};
@ -577,7 +573,9 @@ static double plan_oscu_elem[SE_NFICT_ELEM][8] = {
* ipli body number in planetary data structure
* iflag flags
*/
int swi_osc_el_plan(double tjd, double *xp, int ipl, int ipli, double *xearth, double *xsun, char *serr)
int
swi_osc_el_plan(double tjd, double *xp, int ipl, int ipli, double *xearth,
double *xsun, char *serr)
{
double pqr[9], x[6];
double eps, K, fac, rho, cose, sine;
@ -592,8 +590,8 @@ int swi_osc_el_plan(double tjd, double *xp, int ipl, int ipli, double *xearth, d
/* orbital elements, either from file or, if file not found,
* from above built-in set
*/
if (read_elements_file(ipl, tjd, &tjd0, &tequ,
&mano, &sema, &ecce, &parg, &node, &incl,
if (read_elements_file
(ipl, tjd, &tjd0, &tequ, &mano, &sema, &ecce, &parg, &node, &incl,
NULL, &fict_ifl, serr) == ERR)
return ERR;
dmot = 0.9856076686 * DEGTORAD / sema / sqrt(sema); /* daily motion */
@ -623,14 +621,16 @@ int swi_osc_el_plan(double tjd, double *xp, int ipl, int ipli, double *xearth, d
if (M2 > 150 && M2 < 210) {
M2 -= 180;
M_180_or_0 = 180;
} else
}
else
M_180_or_0 = 0;
if (M2 > 330)
M2 -= 360;
if (M2 < 0) {
M2 = -M2;
Msgn = -1;
} else
}
else
Msgn = 1;
if (M2 < 30) {
M2 *= DEGTORAD;
@ -638,7 +638,9 @@ int swi_osc_el_plan(double tjd, double *xp, int ipl, int ipli, double *xearth, d
beta = M2 / (8 * ecce + 1);
zeta = pow(beta + sqrt(beta * beta + alpha * alpha), 1 / 3);
sigma = zeta - alpha / 2;
sigma = sigma - 0.078 * sigma * sigma * sigma * sigma * sigma / (1 + ecce);
sigma =
sigma - 0.078 * sigma * sigma * sigma * sigma * sigma / (1 +
ecce);
E = Msgn * (M2 + ecce * (3 * sigma - 4 * sigma * sigma * sigma))
+ M_180_or_0;
}
@ -678,7 +680,8 @@ int swi_osc_el_plan(double tjd, double *xp, int ipl, int ipli, double *xearth, d
for (i = 0; i <= 5; i++) {
xp[i] += xearth[i];
}
} else {
}
else {
for (i = 0; i <= 5; i++) {
xp[i] += xsun[i];
}
@ -691,12 +694,13 @@ int swi_osc_el_plan(double tjd, double *xp, int ipl, int ipli, double *xearth, d
}
#if 1
/* note: input parameter tjd is required for T terms in elements */
static int read_elements_file(int32 ipl, double tjd,
double *tjd0, double *tequ,
double *mano, double *sema, double *ecce,
double *parg, double *node, double *incl,
char *pname, int32 *fict_ifl, char *serr)
static int
read_elements_file(int32 ipl, double tjd, double *tjd0, double *tequ,
double *mano, double *sema, double *ecce, double *parg,
double *node, double *incl, char *pname, int32 * fict_ifl,
char *serr)
{
int i, iline, iplan, retc, ncpos;
FILE *fp = NULL;
@ -709,7 +713,9 @@ static int read_elements_file(int32 ipl, double tjd,
/* file does not exist, use built-in bodies */
if (ipl >= SE_NFICT_ELEM) {
if (serr != NULL)
sprintf(serr, "error no elements for fictitious body no %7.0f", (double) ipl);
sprintf(serr,
"error no elements for fictitious body no %7.0f",
(double)ipl);
return ERR;
}
if (tjd0 != NULL)
@ -754,8 +760,8 @@ static int read_elements_file(int32 ipl, double tjd,
if ((sp = strchr(s, '#')) != NULL)
*sp = '\0';
ncpos = swi_cutstr(s, ",", cpos, 20);
sprintf(serri, "error in file %s, line %7.0f:",
SE_FICTFILE, (double) iline);
sprintf(serri, "error in file %s, line %7.0f:", SE_FICTFILE,
(double)iline);
if (ncpos < 9) {
if (serr != NULL)
sprintf(serr, "%s nine elements required", serri);
@ -780,7 +786,8 @@ static int read_elements_file(int32 ipl, double tjd,
if (serr != NULL)
sprintf(serr, "%s invalid epoch", serri);
goto return_err;
} else
}
else
*tjd0 = atof(sp);
tt = tjd - *tjd0;
}
@ -803,7 +810,8 @@ static int read_elements_file(int32 ipl, double tjd,
if (serr != NULL)
sprintf(serr, "%s invalid equinox", serri);
goto return_err;
} else
}
else
*tequ = atof(sp);
}
/* mean anomaly t0 */
@ -838,7 +846,9 @@ static int read_elements_file(int32 ipl, double tjd,
retc = check_t_terms(tt, cpos[4], ecce);
if (*ecce >= 1 || *ecce < 0 || retc == ERR) {
if (serr != NULL)
sprintf(serr, "%s eccentricity invalid (no parabolic or hyperbolic orbits allowed)", serri);
sprintf(serr,
"%s eccentricity invalid (no parabolic or hyperbolic orbits allowed)",
serri);
goto return_err;
}
}
@ -848,7 +858,8 @@ static int read_elements_file(int32 ipl, double tjd,
*parg = swe_degnorm(*parg);
if (retc == ERR) {
if (serr != NULL)
sprintf(serr, "%s perihelion argument value invalid", serri);
sprintf(serr, "%s perihelion argument value invalid",
serri);
goto return_err;
}
*parg *= DEGTORAD;
@ -894,7 +905,8 @@ static int read_elements_file(int32 ipl, double tjd,
}
if (!elem_found) {
if (serr != NULL)
sprintf(serr, "%s elements for planet %7.0f not found", serri, (double) ipl);
sprintf(serr, "%s elements for planet %7.0f not found", serri,
(double)ipl);
goto return_err;
}
fclose(fp);
@ -905,7 +917,8 @@ return_err:
}
#endif
static int check_t_terms(double t, char *sinp, double *doutp)
static int
check_t_terms(double t, char *sinp, double *doutp)
{
int i, isgn = 1, z;
int retc = 0;
@ -935,7 +948,8 @@ static int check_t_terms(double t, char *sinp, double *doutp)
if (*sp == '\0')
return retc;
sp++;
} else {
}
else {
while (*sp != '\0' && strchr("* \t", *sp) != NULL)
sp++;
if (*sp != '\0' && strchr("tT", *sp) != NULL) {
@ -945,7 +959,8 @@ static int check_t_terms(double t, char *sinp, double *doutp)
fac *= tt[0];
else if ((i = atoi(sp)) <= 4 && i >= 0)
fac *= tt[i];
} else {
}
else {
/* a number */
if (atof(sp) != 0 || *sp == '0')
fac *= atof(sp);

29
swe/src/swemptab.c
View File

@ -1,3 +1,4 @@
/* SWISSEPH
$Header: /home/dieter/sweph/RCS/swemptab.c,v 1.74 2008/06/16 10:07:20 dieter Exp $
@ -5,6 +6,7 @@
as it is #included by swemplan
**************************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -363,6 +365,7 @@ static double FAR mertabl[] = {
-0.00013, -0.00986,
};
static double FAR mertabb[] = {
68.33369, 422.77623, -2057.26405, -2522.29068,
@ -650,6 +653,7 @@ static double FAR mertabb[] = {
-0.01665, -0.00199,
};
static double FAR mertabr[] = {
-8.30490, -11.68232, 86.54880, 4361.05018,
@ -1071,6 +1075,7 @@ static signed char FAR merargs[] = {
1, 11, 1, 0,
-1
};
/* Total terms = 130, small = 128 */
static struct plantbl FAR mer404 = {
{11, 14, 10, 11, 4, 5, 2, 0, 0,},
@ -1328,6 +1333,7 @@ static double FAR ventabl[] = {
-0.00004, 0.00645,
};
static double FAR ventabb[] = {
-23.91858, 31.44154, 25.93273, -67.68643,
@ -1556,6 +1562,7 @@ static double FAR ventabb[] = {
0.00002, 0.00020,
};
static double FAR ventabr[] = {
-0.24459, 3.72698, -6.67281, 5.24378,
@ -1896,6 +1903,7 @@ static signed char FAR venargs[] = {
2, 11, 2, -11, 3, 0,
-1
};
/* Total terms = 108, small = 107 */
static struct plantbl FAR ven404 = {
{5, 14, 13, 8, 4, 5, 1, 0, 0,},
@ -2216,6 +2224,7 @@ static double FAR eartabl[] = {
0.00002, -0.00623,
};
static double FAR eartabb[] = {
-41.97860, -48.43539, 74.72897, 0.00075,
@ -2508,6 +2517,7 @@ static double FAR eartabb[] = {
0.00025, 0.00021,
};
static double FAR eartabr[] = {
0.64577, -2.90183, -14.50280, 28.85196,
@ -2939,6 +2949,7 @@ static signed char FAR earargs[] = {
2, 9, 2, -9, 3, 0,
-1
};
/* Total terms = 135, small = 134 */
static struct plantbl FAR ear404 = {
{1, 9, 14, 17, 5, 5, 2, 1, 0,},
@ -3409,6 +3420,7 @@ static double FAR martabl[] = {
-0.00723, -0.01536,
};
static double FAR martabb[] = {
-364.49380, -47.17612, -554.97858, -430.63121,
596.44312,
@ -3851,6 +3863,7 @@ static double FAR martabb[] = {
0.00826, -0.00524,
};
static double FAR martabr[] = {
-816.07287, -381.41365, -33.69436, 177.22955,
0.18630,
@ -4498,6 +4511,7 @@ static signed char FAR marargs[] = {
1, 7, 4, 0,
-1
};
/* Total terms = 201, small = 199 */
static struct plantbl FAR mar404 = {
{0, 5, 12, 24, 9, 7, 3, 2, 0,},
@ -4874,6 +4888,7 @@ static double FAR juptabl[] = {
0.00011, 0.12033,
};
static double FAR juptabb[] = {
548.59659, 594.29629, 219.97664, 59.71822,
23.62157, 40.77732, 227.07380,
@ -5220,6 +5235,7 @@ static double FAR juptabb[] = {
-0.00006, 0.00001,
};
static double FAR juptabr[] = {
-734.58857, -1081.04460, -551.65750, -148.79782,
-25.23171, 164.64781, 248.64813,
@ -5712,6 +5728,7 @@ static signed char FAR jupargs[] = {
2, 1, 3, -1, 5, 0,
-1
};
/* Total terms = 142, small = 140 */
static struct plantbl FAR jup404 = {
{0, 0, 1, 0, 9, 16, 7, 5, 0,},
@ -6231,6 +6248,7 @@ static double FAR sattabl[] = {
-0.00010, 0.06547,
};
static double FAR sattabb[] = {
-567865.62548, -796277.29029, -410804.00791, -91793.12562,
-6268.13975, 398.64391, -710.67442, 175.29456,
@ -6720,6 +6738,7 @@ static double FAR sattabb[] = {
-0.00003, -0.00013,
};
static double FAR sattabr[] = {
-38127.94034, -48221.08524, -20986.93487, -3422.75861,
-8.97362, 53.34259, -404.15708, -0.05434,
@ -7428,6 +7447,7 @@ static signed char FAR satargs[] = {
2, 1, 3, -1, 6, 0,
-1
};
/* Total terms = 215, small = 211 */
static struct plantbl FAR sat404 = {
{0, 0, 1, 0, 8, 18, 9, 5, 0,},
@ -7842,6 +7862,7 @@ static double FAR uratabl[] = {
-0.01517, 0.03748,
};
static double FAR uratabb[] = {
0.00000, 107.91527, 83.39404, -124.29804,
@ -8226,6 +8247,7 @@ static double FAR uratabb[] = {
0.00005, 0.00003,
};
static double FAR uratabr[] = {
0.00000, -53.23277, -44.70609, -62.54432,
@ -8791,6 +8813,7 @@ static signed char FAR uraargs[] = {
2, 3, 5, -1, 7, 0,
-1
};
/* Total terms = 177, small = 171 */
static struct plantbl FAR ura404 = {
{0, 0, 0, 0, 5, 10, 9, 12, 0,},
@ -8943,6 +8966,7 @@ static double FAR neptabl[] = {
-0.28141, 0.25061, -0.20293, 0.79930,
};
static double FAR neptabb[] = {
-391.05987, -243.95958, -23.83558, 58.13857,
@ -9065,6 +9089,7 @@ static double FAR neptabb[] = {
0.00106, 0.00025, 0.00013, -0.00019,
};
static double FAR neptabr[] = {
-767.68936, -460.59576, -52.41861, -273.85897,
@ -9250,6 +9275,7 @@ static signed char FAR nepargs[] = {
2, 2, 5, -1, 8, 1,
-1
};
/* Total terms = 59, small = 58 */
static struct plantbl FAR nep404 = {
{0, 0, 0, 0, 3, 8, 7, 9, 0,},
@ -9671,6 +9697,7 @@ static double FAR plutabl[] = {
-0.06243, 0.04306,
};
static double FAR plutabb[] = {
-35042727.30412, -49049197.81293, -25374963.60995, -5761406.03035,
-467370.57540, 14040.11453, 2329.15763, -13978.69390,
@ -10062,6 +10089,7 @@ static double FAR plutabb[] = {
0.05985, 0.04130,
};
static double FAR plutabr[] = {
17990649.12487, 24806479.30874, 12690953.00645, 2892671.69562,
249947.71316, -5138.71425, 1142.68629, 6075.25751,
@ -10630,6 +10658,7 @@ static signed char FAR pluargs[] = {
1, 2, 5, 0,
-1
};
/* Total terms = 173, small = 156 */
static struct plantbl FAR plu404 = {
{0, 0, 0, 0, 2, 2, 9, 13, 13,},

6
swe/src/swenut2000a.h
View File

@ -1,3 +1,4 @@
/************************************************************
$Header: /home/dieter/sweph/RCS/swenut2000a.h,v 1.74 2008/06/16 10:07:20 dieter Exp $
definitions for nutation theory IAU 2000a
@ -6,6 +7,7 @@
Compilation Authors: Dieter Koch and Alois Treindl, Astrodienst Zurich
************************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -62,11 +64,14 @@
/* 0.1 microarcsecond to degrees */
#define O1MAS2DEG (1 / 3600.0 / 10000000.0)
/* Number of terms in the luni-solar nutation model */
#define NLS 678
#define NLS_2000B 77
/* Number of terms in the planetary nutation model */
#define NPL 687
/* Luni-Solar argument multipliers
L L' F D Om */
static int16 nls[] = {
@ -1434,6 +1439,7 @@ static int32 cls[] = {
};
#if NUT_IAU_2000A
/* Planetary argument multipliers
* L L' F D Om Me Ve E Ma Ju Sa Ur Ne pre */
static int16 npl[] = {

2
swe/src/sweodef.h
View File

@ -1,3 +1,4 @@
/************************************************************
$Header: /home/dieter/sweph/RCS/sweodef.h,v 1.74 2008/06/16 10:07:20 dieter Exp $
definitions and constants for all Swiss Ephemeris source files,
@ -312,6 +313,7 @@ typedef int32 centisec; /* centiseconds used for angles and times */
#define FILE_RW_ACCESS "r+t" /* open text file for writing and reading */
#define FILE_W_CREATE "wt" /* create/open text file for write */
#define FILE_A_ACCESS "a+t" /* create/open text file for append */
/* attention, all backslashes for msdos directry names must be written as \\,
because it is the C escape character */
#define DIR_GLUE "\\" /* glue string for directory/file */

463
swe/src/swepcalc.c
View File

@ -1,8 +1,10 @@
/*****************************************************
$Header: /home/dieter/sweph/RCS/swepcalc.c,v 1.74 2008/06/16 10:07:20 dieter Exp $
Placalc compatibility interface for Swiss Ephemeris.
*******************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -80,7 +82,12 @@ Placalc compatibility interface for Swiss Ephemeris.
local globals, not exported
************************************************************/
static int plac2swe[] = {SE_SUN, SE_MOON, SE_MERCURY, SE_VENUS, SE_MARS, SE_JUPITER, SE_SATURN, SE_URANUS, SE_NEPTUNE, SE_PLUTO, SE_MEAN_NODE, SE_TRUE_NODE, SE_CHIRON, SE_MEAN_APOG, SE_CERES, SE_PALLAS, SE_JUNO, SE_VESTA,};
static int plac2swe[] =
{ SE_SUN, SE_MOON, SE_MERCURY, SE_VENUS, SE_MARS, SE_JUPITER, SE_SATURN,
SE_URANUS, SE_NEPTUNE, SE_PLUTO, SE_MEAN_NODE, SE_TRUE_NODE, SE_CHIRON,
SE_MEAN_APOG,
SE_CERES, SE_PALLAS, SE_JUNO, SE_VESTA,
};
/* If there occurs an internal error in placalc, a message is
* written into the string variable perrtx.
@ -107,7 +114,8 @@ static double rmima[CALC_N][2] = {
{28.67716748, 50.29208774},
{0.00, 0.00259553}, /* nodes don't get a real value */
{0.00, 0.00259553},
{ 7.36277475, 19.86585062}};
{7.36277475, 19.86585062}
};
/**********************************************************
function nacalc ()
@ -124,7 +132,8 @@ coordinate format for fast mathematics with planetary positions.
This function is just a template of how the calc() package
can be used.
**********************************************************/
int nacalc (double jd_ad, /* universal time relative julian date */
int
nacalc(double jd_ad, /* universal time relative julian date */
centisec * plon, /* returned longitudes */
centisec * pspe /* returned speeds, if not NULL pointer */
)
@ -138,10 +147,13 @@ int nacalc (double jd_ad, /* universal time relative julian date */
for (planet = SUN; planet <= MAXPL_NACALC; planet++) {
if (calc(planet, jd_ad, flag, &rlng, &rrad, &rlat, &rspeed) == OK) {
plon[planet] = swe_csnorm(swe_d2l(rlng * DEG));
if (pspe != NULL) pspe [planet] = swe_d2l (rspeed * DEG);
} else {
if (pspe != NULL)
pspe[planet] = swe_d2l(rspeed * DEG);
}
else {
plon[planet] = -1;
if (pspe != NULL) pspe [planet] = 0;
if (pspe != NULL)
pspe[planet] = 0;
if (result != ERR) { /* save first error message */
strcpy(err, placalc_get_errtext());
}
@ -159,17 +171,19 @@ int nacalc (double jd_ad, /* universal time relative julian date */
* over a communication line to the calculation client.
* if plalist = 0, only SUN .. CHIRON are delivered, no LILITH
******************************************************************/
int calcserv(int id, /* request id, random number to prevent phase err */
int
calcserv(int id, /* request id, random number to prevent phase err */
double jd_ad, /* time as relative Astrodienst julian date */
int flag, /* a set of CALC_BIT_ bitflags */
int plalist, /* bit list of planets to be computed, 0 = all */
char *so) /* output string, MUST BE LONG ENOUGH (800 bytes)*/
{
char *so)
{ /* output string, MUST BE LONG ENOUGH (800 bytes) */
int p, planet, so_len;
double rlng, rrad, rlat, rspeed, rau[CALC_N];
centisec lcs[CALC_N], lpcs[CALC_N], betcs[CALC_N];
char s[AS_MAXCH];
if (plalist == 0) plalist = (1 << 13) - 1; /* sun .. chiron */;
if (plalist == 0)
plalist = (1 << 13) - 1; /* sun .. chiron */ ;
/*
* flag determines whether deltat is added to t;
* if CALC_BIT_EPHE is set, jd_ad is considered as ephemeris time,
@ -179,13 +193,15 @@ int calcserv(int id, /* request id, random number to prevent phase err */
jd_ad += deltat(jd_ad);
}
for (p = SUN; p < CALC_N; p++) {
if (! check_bit(plalist, p)) continue;
if (!check_bit(plalist, p))
continue;
if (calc(p, jd_ad, flag, &rlng, &rrad, &rlat, &rspeed) == OK) {
lcs[p] = swe_d2l(rlng * DEG);
lpcs[p] = swe_d2l(rspeed * DEG);
betcs[p] = swe_d2l(rlat * DEG);
rau[p] = rrad;
} else {
}
else {
sprintf(so, "error at planet %d", p);
return (ERR);
}
@ -204,14 +220,16 @@ int calcserv(int id, /* request id, random number to prevent phase err */
swe_d2l(ekl * DEG), swe_d2l(nut * DEG));
so_len = strlen(so);
for (planet = SUN; planet < CALC_N; planet++) {
if (! check_bit(plalist, planet)) continue;
if (!check_bit(plalist, planet))
continue;
sprintf(s, ",%d", lcs[planet]);
strcat(so + so_len, s);
so_len += strlen(s);
}
if (flag & CALC_BIT_SPEED) {
for (planet = SUN; planet < CALC_N; planet++) {
if (! check_bit(plalist, planet)) continue;
if (!check_bit(plalist, planet))
continue;
sprintf(s, ",%d", lpcs[planet]);
strcat(so + so_len, s);
so_len += strlen(s);
@ -219,7 +237,8 @@ int calcserv(int id, /* request id, random number to prevent phase err */
}
if (flag & CALC_BIT_BETA) {
for (planet = SUN; planet < CALC_N; planet++) {
if (! check_bit(plalist, planet)) continue;
if (!check_bit(plalist, planet))
continue;
sprintf(s, ",%d", betcs[planet]);
strcat(so + so_len, s);
so_len += strlen(s);
@ -227,7 +246,8 @@ int calcserv(int id, /* request id, random number to prevent phase err */
}
if (flag & CALC_BIT_RGEO) {
for (planet = SUN; planet < CALC_N; planet++) {
if (! check_bit(plalist, planet)) continue;
if (!check_bit(plalist, planet))
continue;
sprintf(s, ",%d", rel_geo(planet, rau[planet]));
strcat(so + so_len, s);
so_len += strlen(s);
@ -235,7 +255,8 @@ int calcserv(int id, /* request id, random number to prevent phase err */
}
if (flag & CALC_BIT_RAU) {
for (planet = SUN; planet < CALC_N; planet++) {
if (! check_bit(plalist, planet)) continue;
if (!check_bit(plalist, planet))
continue;
sprintf(s, ",%.8f", rau[planet]);
strcat(so + so_len, s);
so_len += strlen(s);
@ -276,21 +297,19 @@ int calcserv(int id, /* request id, random number to prevent phase err */
will return the values for time teph.
******************************************************************/
int calc(int planet, /* planet index as defined in placalc.h,
SUN = 0, MOON = 1 etc.
planet == -1 calc calculates only nut, ekl, meanekl */
int
calc(int planet, /* planet index as defined in placalc.h,
* SUN = 0, MOON = 1 etc.
* planet == -1 calc calculates only nut, ekl, meanekl */
double jd_ad, /* relative Astrodienst Juldate, ephemeris time.
Astrodienst Juldate is relative 31 Dec 1949, noon. */
* Astrodienst Juldate is relative 31 Dec 1949, noon. */
int flag, /* See definition of flag bits above */
double *alng,
double *arad,
double *alat,
double *alngspeed)
double *alng, double *arad, double *alat, double *alngspeed)
/* pointers to the return variables:
alng = ecliptic longitude in degrees
arad = radius vector in AU (astronomic units)
alat = ecliptic latitude in degrees
alngspeed = speed of planet in degrees per day
* alng = ecliptic longitude in degrees
* arad = radius vector in AU (astronomic units)
* alat = ecliptic latitude in degrees
* alngspeed = speed of planet in degrees per day
*/
{
double tjd = jd_ad + JUL_OFFSET;
@ -329,7 +348,8 @@ int calc(int planet, /* planet index as defined in placalc.h,
*alng = nut = x[2];
*arad = x[1];
*alat = ekl = x[0];
} else {
}
else {
*alng = x[0];
*arad = x[2];
*alat = x[1];
@ -338,7 +358,8 @@ int calc(int planet, /* planet index as defined in placalc.h,
return (OK);
} /* end calc */
int rel_geo(int planet, double rau)
int
rel_geo(int planet, double rau)
{
/*
* get relative earth distance in range 0..1000:
@ -356,8 +377,12 @@ int rel_geo(int planet, double rau)
int rgeo;
if (planet == MEAN_NODE || planet == TRUE_NODE || planet == LILITH) {
return 0;
} else {
rgeo = 1000 * (1.0 - (rau - rmima[planet][0]) / (rmima[planet][1] - rmima[planet][0]));
}
else {
rgeo =
1000 * (1.0 -
(rau - rmima[planet][0]) / (rmima[planet][1] -
rmima[planet][0]));
}
if (rgeo < 0)
rgeo = 0;
@ -370,31 +395,74 @@ int rel_geo(int planet, double rau)
* get the planet index for an AFL letter
* returns -1 if the letter does not correspond to a planet.
*/
int afl2planet(int afl)
int
afl2planet(int afl)
{
int p;
switch (afl) {
case AFL_SUN : p = SUN; break;
case AFL_MON : p = MOON; break;
case AFL_MER : p = MERCURY; break;
case AFL_VEN : p = VENUS; break;
case AFL_MAR : p = MARS; break;
case AFL_JUP : p = JUPITER; break;
case AFL_SAT : p = SATURN; break;
case AFL_URA : p = URANUS; break;
case AFL_NEP : p = NEPTUNE; break;
case AFL_PLU : p = PLUTO; break;
case AFL_MNODE : p = MEAN_NODE; break;
case AFL_TNODE : p = TRUE_NODE; break;
case AFL_CHI : p = CHIRON; break;
case AFL_LIL : p = LILITH; break;
case AFL_CER : p = CERES; break;
case AFL_PAL : p = PALLAS; break;
case AFL_JUN : p = JUNO; break;
case AFL_VES : p = VESTA; break;
case AFL_AC : p = AC; break;
case AFL_MC : p = MC; break;
default : p = -1; break;
case AFL_SUN:
p = SUN;
break;
case AFL_MON:
p = MOON;
break;
case AFL_MER:
p = MERCURY;
break;
case AFL_VEN:
p = VENUS;
break;
case AFL_MAR:
p = MARS;
break;
case AFL_JUP:
p = JUPITER;
break;
case AFL_SAT:
p = SATURN;
break;
case AFL_URA:
p = URANUS;
break;
case AFL_NEP:
p = NEPTUNE;
break;
case AFL_PLU:
p = PLUTO;
break;
case AFL_MNODE:
p = MEAN_NODE;
break;
case AFL_TNODE:
p = TRUE_NODE;
break;
case AFL_CHI:
p = CHIRON;
break;
case AFL_LIL:
p = LILITH;
break;
case AFL_CER:
p = CERES;
break;
case AFL_PAL:
p = PALLAS;
break;
case AFL_JUN:
p = JUNO;
break;
case AFL_VES:
p = VESTA;
break;
case AFL_AC:
p = AC;
break;
case AFL_MC:
p = MC;
break;
default:
p = -1;
break;
}
return p;
}
@ -403,29 +471,50 @@ int afl2planet(int afl)
* get the AFL letter for a planet
* returns -1 if no letter corresponds to a planet.
*/
int planet2afl(int planet)
int
planet2afl(int planet)
{
switch (planet) {
case SUN: return AFL_SUN;
case MOON: return AFL_MON;
case MERCURY: return AFL_MER;
case VENUS: return AFL_VEN;
case MARS: return AFL_MAR;
case JUPITER: return AFL_JUP;
case SATURN: return AFL_SAT;
case URANUS: return AFL_URA;
case NEPTUNE: return AFL_NEP;
case PLUTO: return AFL_PLU;
case MEAN_NODE: return AFL_MNODE;
case TRUE_NODE: return AFL_TNODE;
case CHIRON: return AFL_CHI;
case LILITH: return AFL_LIL;
case CERES: return AFL_CER;
case PALLAS: return AFL_PAL;
case JUNO: return AFL_JUN;
case VESTA: return AFL_VES;
case AC: return AFL_AC;
case MC: return AFL_MC;
case SUN:
return AFL_SUN;
case MOON:
return AFL_MON;
case MERCURY:
return AFL_MER;
case VENUS:
return AFL_VEN;
case MARS:
return AFL_MAR;
case JUPITER:
return AFL_JUP;
case SATURN:
return AFL_SAT;
case URANUS:
return AFL_URA;
case NEPTUNE:
return AFL_NEP;
case PLUTO:
return AFL_PLU;
case MEAN_NODE:
return AFL_MNODE;
case TRUE_NODE:
return AFL_TNODE;
case CHIRON:
return AFL_CHI;
case LILITH:
return AFL_LIL;
case CERES:
return AFL_CER;
case PALLAS:
return AFL_PAL;
case JUNO:
return AFL_JUN;
case VESTA:
return AFL_VES;
case AC:
return AFL_AC;
case MC:
return AFL_MC;
}
if (planet >= FIRST_HSNR && planet <= LAST_HSNR)
return AFL_HOUSE;
@ -437,29 +526,50 @@ int planet2afl(int planet)
* get the 2-letter abbreviation for a planet
* returns ?? if not defined
*/
char *planet2abbr2(int planet)
char *
planet2abbr2(int planet)
{
switch (planet) {
case SUN: return "su";
case MOON: return "mo";
case MERCURY: return "me";
case VENUS: return "ve";
case MARS: return "ma";
case JUPITER: return "ju";
case SATURN: return "sa";
case URANUS: return "ur";
case NEPTUNE: return "ne";
case PLUTO: return "pl";
case MEAN_NODE: return "mn";
case TRUE_NODE: return "tn";
case CHIRON: return "ch";
case LILITH: return "li";
case CERES: return "ce";
case PALLAS: return "pa";
case JUNO: return "jn";
case VESTA: return "vs";
case AC: return "ac";
case MC: return "mc";
case SUN:
return "su";
case MOON:
return "mo";
case MERCURY:
return "me";
case VENUS:
return "ve";
case MARS:
return "ma";
case JUPITER:
return "ju";
case SATURN:
return "sa";
case URANUS:
return "ur";
case NEPTUNE:
return "ne";
case PLUTO:
return "pl";
case MEAN_NODE:
return "mn";
case TRUE_NODE:
return "tn";
case CHIRON:
return "ch";
case LILITH:
return "li";
case CERES:
return "ce";
case PALLAS:
return "pa";
case JUNO:
return "jn";
case VESTA:
return "vs";
case AC:
return "ac";
case MC:
return "mc";
}
return "??";
}
@ -468,37 +578,60 @@ char *planet2abbr2(int planet)
* get the 3-letter abbreviation for a planet
* returns ??? if not defined
*/
char *planet2abbr3(int planet)
char *
planet2abbr3(int planet)
{
switch (planet) {
case SUN: return "sun";
case MOON: return "mon";
case MERCURY: return "mer";
case VENUS: return "ven";
case MARS: return "mar";
case JUPITER: return "jup";
case SATURN: return "sat";
case URANUS: return "ura";
case NEPTUNE: return "nep";
case PLUTO: return "plu";
case MEAN_NODE: return "mno";
case TRUE_NODE: return "tno";
case CHIRON: return "chi";
case LILITH: return "lil";
case CERES: return "cer";
case PALLAS: return "pal";
case JUNO: return "jun";
case VESTA: return "ves";
case AC: return "asc";
case MC: return "mc ";
case SUN:
return "sun";
case MOON:
return "mon";
case MERCURY:
return "mer";
case VENUS:
return "ven";
case MARS:
return "mar";
case JUPITER:
return "jup";
case SATURN:
return "sat";
case URANUS:
return "ura";
case NEPTUNE:
return "nep";
case PLUTO:
return "plu";
case MEAN_NODE:
return "mno";
case TRUE_NODE:
return "tno";
case CHIRON:
return "chi";
case LILITH:
return "lil";
case CERES:
return "cer";
case PALLAS:
return "pal";
case JUNO:
return "jun";
case VESTA:
return "ves";
case AC:
return "asc";
case MC:
return "mc ";
}
return "???";
}
char *placalc_set_ephepath(char *path)
char *
placalc_set_ephepath(char *path)
{
static char *epath;
if (path == NULL) return epath;
if (path == NULL)
return epath;
if (epath != NULL)
free((void *)epath);
epath = malloc(strlen(path) + 1);
@ -509,12 +642,14 @@ char *placalc_set_ephepath(char *path)
return epath;
}
void placalc_close_files()
void
placalc_close_files()
{
swe_close();
}
char *placalc_get_errtext()
char *
placalc_get_errtext()
{
return perrtx;
}
@ -524,8 +659,9 @@ deltat(t): returns delta t (in julian days) from universal time t
is included by users
ET = UT + deltat
******************************************************/
double deltat (double jd_ad) /* Astrodienst relative julian date */
{
double
deltat(double jd_ad)
{ /* Astrodienst relative julian date */
return swe_deltat(jd_ad + JUL_OFFSET);
}
@ -541,7 +677,8 @@ double deltat (double jd_ad) /* Astrodienst relative julian date */
* lon, lat pointer for returning the ecliptic coordinates
* (mean ecliptic and equinox of date)
**********************************************************/
int fixstar(char *star, double jd, double *lon, double *lat)
int
fixstar(char *star, double jd, double *lon, double *lat)
{
double x[6];
int i;
@ -559,13 +696,16 @@ int fixstar(char *star, double jd, double *lon, double *lat)
}
/******************************************************************/
double diff8360 (double a, double b)
double
diff8360(double a, double b)
/* a - b on a 360 degree circle, result -180..180 */
{
double d;
d = a - b;
if ( d >= 180.0 ) return( d - 360.0 );
if ( d < -180.0 ) return( d + 360.0 );
if (d >= 180.0)
return (d - 360.0);
if (d < -180.0)
return (d + 360.0);
return (d);
} /* diff8360 */
@ -577,12 +717,14 @@ double diff8360 (double a, double b)
return in which house pp is;
houses are numbered from 1 .. 12
*************************************/
int HouseNr(struct houses *hsp, CSEC pp)
int
HouseNr(struct houses *hsp, CSEC pp)
{
CSEC cx;
int i = 2;
cx = swe_difcsn(pp, hsp->cusp[1]); /* distance from cusp 1 */
while (i < 13 && cx >= difcsn(hsp->cusp [i], hsp->cusp [1])) i++;
while (i < 13 && cx >= difcsn(hsp->cusp[i], hsp->cusp[1]))
i++;
return (i - 1);
}
@ -590,12 +732,15 @@ int HouseNr(struct houses *hsp, CSEC pp)
returns the inp-house number, where pp is in
houses are numbered from 1 .. 12
************************************/
int InpHouseNr (struct houses *hsp, CSEC pp, CSEC *coff)
int
InpHouseNr(struct houses *hsp, CSEC pp, CSEC * coff)
{
CSEC cx;
int i = 2;
cx = swe_difcsn(pp, hsp->cusp[1] + coff[1]);
while(i<13 && cx >= swe_difcsn(hsp->cusp[i] + coff[i], hsp->cusp[1] + coff[1]))
while (i < 13
&& cx >= swe_difcsn(hsp->cusp[i] + coff[i],
hsp->cusp[1] + coff[1]))
i++;
return (i - 1);
}
@ -608,7 +753,8 @@ int InpHouseNr (struct houses *hsp, CSEC pp, CSEC *coff)
* We first calculate the absolute offsets for each house of our birth chart,
* then call the function InpHouseNr() with those values.
*/
int InpHouseNr2 (struct houses *hsp, CSEC pp, CSEC *coff)
int
InpHouseNr2(struct houses *hsp, CSEC pp, CSEC * coff)
{
int i, j;
CSEC myoff[13];
@ -617,34 +763,57 @@ int InpHouseNr2 (struct houses *hsp, CSEC pp, CSEC *coff)
if (myoff[0] == 1) {
for (i = 1; i < 13; i++) {
j = i + 1;
if (j > 12) j = 1;
myoff[j] = swe_degnorm((hsp->cusp[j] - hsp->cusp[i]) / 360000.0) / 30.0 * myoff[j];
if (j > 12)
j = 1;
myoff[j] =
swe_degnorm((hsp->cusp[j] -
hsp->cusp[i]) / 360000.0) / 30.0 * myoff[j];
}
}
return InpHouseNr(hsp, pp, myoff);
}
/* ********************************************************* */
/* Houses: */
/* ********************************************************* */
/* Koch and Placidus don't work in the polar circle. */
/* We swap MC/IC so that MC is always before AC in the zodiac */
/* We than divide the quadrants into 3 equal parts. */
/* ********************************************************* */
/* All angles are expressed in centiseconds (1/100th of a */
/* second of arc) and integer arithmetic is used for these. */
/* Special trigonometric functions dsin, dcos etc. are im- */
/* plemented for arguments in centiseconds. */
/* ********************************************************* */
/* Arguments: th = sidereal time (angle 0..360 degrees */
/* hsy = letter code for house system; implemen- */
/* ted are P,K,C,R,E,V. */
/* fi = geographic latitude */
/* ekl = obliquity of the ecliptic */
/* iteration_count = number of iterations in */
/* Placidus calculation; can be 1 or 2. */
/* ********************************************************* */
void CalcHouses(CSEC th, CSEC fi, CSEC mekl, char hsy, int iteration_count,
void
CalcHouses(CSEC th, CSEC fi, CSEC mekl, char hsy, int iteration_count,
struct houses *hsp)
{
int retc = 0, i;
@ -652,7 +821,8 @@ void CalcHouses(CSEC th, CSEC fi, CSEC mekl, char hsy, int iteration_count,
double cusps[13];
double ascmc[10];
/* iteration_count is always 2 */
retc = swe_houses_armc(th / cs2deg, fi / cs2deg, mekl / cs2deg, (int) hsy,
retc =
swe_houses_armc(th / cs2deg, fi / cs2deg, mekl / cs2deg, (int)hsy,
cusps, ascmc);
for (i = 0; i < 13; i++)
hsp->cusp[i] = swe_d2l(cusps[i] * cs2deg);
@ -666,7 +836,8 @@ void CalcHouses(CSEC th, CSEC fi, CSEC mekl, char hsy, int iteration_count,
} /* procedure houses */
/******************************/
void RecalcAspects(struct AspectType *a)
void
RecalcAspects(struct AspectType *a)
{
centisec diff, orbis;
int p1, p2, i;
@ -696,7 +867,8 @@ void RecalcAspects(struct AspectType *a)
a->Asp[p2][p1].orb = arp->orb;
} /* for p2 */
} /* for p1 */
} else { /* interaspects between set 1 and set 2 */
}
else { /* interaspects between set 1 and set 2 */
for (p1 = 0; p1 < a->NrOfPlanets; p1++) {
for (p2 = 0; p2 < a->NrOfPlanets; p2++) {
arp = &(a->Asp[p1][p2]);
@ -727,7 +899,8 @@ function sidtime (t): returns sidereal time at greenwich;
Parameters differ from ASYS version! after AESuppl. 1961, page 75
version 24-oct-87
***********************************************************/
double sidtime (double jd_ad, double ecl, double nuta)
double
sidtime(double jd_ad, double ecl, double nuta)
/* jd_ad relative julian date */
/* ecl, nuta ecliptic and nutation of date, in degrees */
{
@ -735,12 +908,14 @@ double sidtime (double jd_ad, double ecl, double nuta)
}
#ifdef INTEL_BYTE_ORDER
/********************************************************************/
void longreorder (UCHAR *p, int n)
void
longreorder(UCHAR * p, int n)
/* p points to memory filled with int32 values; for
each of the values the seqeuence of the four bytes
has to be reversed, to translate HP-UX and VAX
ordering to MSDOS/Turboc ordering */
* each of the values the seqeuence of the four bytes
* has to be reversed, to translate HP-UX and VAX
* ordering to MSDOS/Turboc ordering */
{
int i;
unsigned char c0, c1, c2, c3;

61
swe/src/swepcalc.h
View File

@ -1,3 +1,4 @@
/************************************************************
$Header: /home/dieter/sweph/RCS/swepcalc.h,v 1.74 2008/06/16 10:07:20 dieter Exp $
Definitions and constants for Placalc interface to SwissEph
@ -105,14 +106,10 @@
extern int nacalc(double jd_ad, centisec * plon, centisec * pspe);
extern int calcserv(int id, double t, int flag, int plalist, char *so);
extern void helup(double jd_ad);
extern void togeo(double le, double re, double l, double r, double z, double *alg, double *arg);
extern int calc(int p,
double jd_ad,
int flag,
double *alng,
double *arad,
double *alat,
double *alngspeed);
extern void togeo(double le, double re, double l, double r, double z,
double *alg, double *arg);
extern int calc(int p, double jd_ad, int flag, double *alng, double *arad,
double *alat, double *alngspeed);
extern int rel_geo(int p, double rau);
extern int hel(int p, /* planet index as defined by placalc.h */
double jd_ad, /* relative juliand date, ephemeris time */
@ -136,7 +133,7 @@ extern void placalc_close_files();
extern int fixstar(char *star, double jd, double *lon, double *lat);
extern char *placalc_get_errtext();
extern char *placalc_set_ephepath(char *new_path); /* sets ephepath;
if called with NULL, returns current path */
* if called with NULL, returns current path */
/*
* because deltat() required a relative Julian date due to historical reasons,
@ -149,6 +146,7 @@ extern char *placalc_set_ephepath(char *new_path); /* sets ephepath;
* returns -1 if the letter does not correspond to a planet.
*/
extern int afl2planet(int afl);
/*
* get the AFL letter for a planet
* returns -1 if planet has no letter.
@ -215,6 +213,7 @@ extern char *planet2abbr3(int planet);
#define LAST_HSNR 32
#define NO_OF_HOUSES 12
#define MAX_PL_INDEX 32
/*
* in a bitlist flag each planet is represented by a bit;
* all 14 defined planets can be called at once with
@ -292,7 +291,7 @@ extern char *planet2abbr3(int planet);
*/
#ifndef ADATE /* this must be bracketed because users of swepcalc
may also include astrolib.h for other reasons */
* may also include astrolib.h for other reasons */
#define ADATE struct adate
/* makros for bit operations */
@ -313,10 +312,11 @@ ADATE { /* date structure used by revjuls and juldays */
*/
extern double julday(int month, int day, int year, double hour, int gregflag);
extern double juldays(int gregflag, ADATE * adp);
extern void revjul (double u, int gregflag,
int *jmon, int *jday, int *jyear, double *jut);
extern void revjul(double u, int gregflag, int *jmon, int *jday, int *jyear,
double *jut);
extern void revjuls(double u, int gregflag, ADATE * adp);
extern int day_of_week(double t);
/*
* end swpdate.c
*/
@ -397,32 +397,34 @@ extern int day_of_week(double t);
#define ASP_ANGLES {0, 0*DEG, 180*DEG, 90*DEG, 120*DEG,\
60*DEG, 30*DEG, 150*DEG, 45*DEG, 135*DEG, 72*DEG, 144*DEG}
struct AspectType {
struct AspectType
{
AS_BOOL dataValid; /* used as boolean */
int NrOfPlanets,
NrOfAspects;
int NrOfPlanets, NrOfAspects;
centisec *PlanetPos; /* pointer to an array of planet positions
[0..NrOfPlanets-1]; the user of the
structure must set this pointer to his
array of planet positions */
* [0..NrOfPlanets-1]; the user of the
* structure must set this pointer to his
* array of planet positions */
centisec *ppos2; /* second set for mutual aspects only; if
not NULL, interaspects are calculated */
* not NULL, interaspects are calculated */
centisec *Maxorb; /* pointer to an array [0..NrOfAspects] of
maximum orbes; element[0] not used;
the user of the structure must set this
pointer to his array of maxorbs */
* maximum orbes; element[0] not used;
* the user of the structure must set this
* pointer to his array of maxorbs */
centisec *Angle; /* pointer to Angle[0..NrOfAspects] of the
angles of aspects; [0] not used; the
user must set this pointer to his array
of angles */
struct aspRec {
* angles of aspects; [0] not used; the
* user must set this pointer to his array
* of angles */
struct aspRec
{
int index; /* number of the found aspect */
centisec orb;
}
Asp[MAXPLANETS][MAXPLANETS];
};
struct houses {
struct houses
{
centisec cusp[13];
centisec ac;
centisec mc;
@ -430,14 +432,15 @@ struct houses {
#define HOUSES struct houses
#endif /* ifndef ASP_144 */
/**********************************
functions exported originally from housasp.c
***********************************/
extern int HouseNr(HOUSES * h, CSEC p);
/*
return in which house pp is,
The caller is responsible for proper initialization of cusps
* return in which house pp is,
* The caller is responsible for proper initialization of cusps
*/
extern int InpHouseNr(HOUSES * h, CSEC p, CSEC * cuspoff);

29
swe/src/swepdate.c
View File

@ -1,9 +1,11 @@
/*****************************************************
$Header: swepdate.c,v 1.65 2003/06/14 13:02:01 alois Exp $
Placalc compatibility interface for Swiss Ephemeris.
date functions
*******************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -129,7 +131,8 @@ date functions
and notifies errors like 32 January.
****************************************************************/
double julday(int month, int day, int year, double hour, int gregflag)
double
julday(int month, int day, int year, double hour, int gregflag)
{
double jd;
jd = swe_julday(year, month, day, hour, gregflag);
@ -139,7 +142,8 @@ double julday(int month, int day, int year, double hour, int gregflag)
/*
* monday = 0, ... sunday = 6
*/
int day_of_week(double jd)
int
day_of_week(double jd)
{
return (((int)floor(jd - 2433282 - 1.5) % 7) + 7) % 7;
}
@ -148,9 +152,11 @@ int day_of_week(double jd)
get absolute julian day number (author: Marc Pottenger)
with bug fix for year < -4711 15-aug-88
*/
double juldays(int gregflag, ADATE *adp )
double
juldays(int gregflag, ADATE * adp)
{
return swe_julday(adp->year, adp->month, adp->day, adp->csec / 360000.0, gregflag);
return swe_julday(adp->year, adp->month, adp->day, adp->csec / 360000.0,
gregflag);
}
/*** revjul ******************************************************
@ -172,8 +178,8 @@ double juldays(int gregflag, ADATE *adp )
Original author Mark Pottenger, Los Angeles.
with bug fix for year < -4711 16-aug-88 Alois Treindl
*************************************************************************/
void revjul (double jd, int gregflag,
int *jmon, int *jday, int *jyear, double *jut)
void
revjul(double jd, int gregflag, int *jmon, int *jday, int *jyear, double *jut)
{
swe_revjul(jd, gregflag, jyear, jmon, jday, jut);
}
@ -183,7 +189,8 @@ void revjul (double jd, int gregflag,
with bug fix for year < -4711 16-aug-88
arguments are julian day #, calendar flag (0=julian, 1=gregorian)
*/
void revjuls(double jd, int gregflag, struct adate *adp)
void
revjuls(double jd, int gregflag, struct adate *adp)
{
double jut;
swe_revjul(jd, gregflag, &adp->year, &adp->month, &adp->day, &jut);
@ -215,9 +222,8 @@ void revjuls(double jd, int gregflag, struct adate *adp)
Return: OK or ERR (for illegal date)
*********************************************************/
int date_conversion (int d ,
int m ,
int y , /* day, month, year */
int
date_conversion(int d, int m, int y, /* day, month, year */
centisec gutime, /* greenwich time in centiseconds */
char c, /* calendar g[regorian]|j[ulian]|a[stro = greg] */
double *tgmt
@ -236,7 +242,8 @@ int date_conversion (int d ,
*tgmt = jd - JUL_OFFSET;
if (rmon == m && rday == d && ryear == y) {
return OK;
} else {
}
else {
return ERR;
}
} /* end date_conversion */

1817
swe/src/sweph.c
View File

File diff suppressed because it is too large Load Diff

72
swe/src/sweph.h
View File

@ -5,6 +5,7 @@
Authors: Dieter Koch and Alois Treindl, Astrodienst Zurich
************************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -228,6 +229,7 @@
#define MOSHLUEPH_END 2818000.5
#define MOSHNDEPH_START -254900.5 /* 14 Feb -5410 00:00 ET jul.cal. */
#define MOSHNDEPH_END 3697000.5 /* 11 Dec 5409 00:00 ET, greg. cal */
/*
#define MOSHPLEPH_START -225000.5
#define MOSHPLEPH_END 3600000.5
@ -261,6 +263,7 @@
#define MOON_MEAN_DIST 384400000.0 /* in m, AA 1996, F2 */
#define MOON_MEAN_INCL 5.1453964 /* AA 1996, D2 */
#define MOON_MEAN_ECC 0.054900489 /* AA 1996, F2 */
/* #define SUN_EARTH_MRAT 328900.561400 Su/(Ea+Mo) AA 2006 K7 */
#define SUN_EARTH_MRAT 332946.050895 /* Su / (Ea only) AA 2006 K7 */
#define EARTH_MOON_MRAT (1 / 0.0123000383) /* AA 2006, K7 */
@ -277,6 +280,7 @@
#define KGAUSS 0.01720209895 /* Gaussian gravitational constant K6 */
#define SUN_RADIUS (959.63 / 3600 * DEGTORAD) /* Meeus germ. p 391 */
#define EARTH_RADIUS 6378136.6 /* AA 2006 K6 */
/*#define EARTH_OBLATENESS (1.0/ 298.257223563) * AA 1998 K13 */
#define EARTH_OBLATENESS (1.0/ 298.25642) /* AA 2006 K6 */
#define EARTH_ROT_SPEED (7.2921151467e-5 * 86400) /* in rad/day, expl. suppl., p 162 */
@ -285,8 +289,10 @@
/* node of ecliptic measured on ecliptic 2000 */
#define SSY_PLANE_NODE_E2000 (107.582569 * DEGTORAD)
/* node of ecliptic measured on solar system rotation plane */
#define SSY_PLANE_NODE (107.58883388 * DEGTORAD)
/* inclination of ecliptic against solar system rotation plane */
#define SSY_PLANE_INCL (1.578701 * DEGTORAD)
@ -334,7 +340,10 @@ static const double pla_diam[NDIAM] = {1392000000.0, /* Sun */
* t0 epoch of ayanamsa, TDT (ET)
* ayan_t0 ayanamsa value at epoch
*/
struct aya_init {double t0, ayan_t0;};
struct aya_init
{
double t0, ayan_t0;
};
static const struct aya_init ayanamsa[] = {
{2433282.5, 24.042044444}, /* 0: Fagan/Bradley (Default) */
/*{J1900, 360 - 337.53953}, * 1: Lahiri (Robert Hand) */
@ -364,15 +373,15 @@ static const struct aya_init ayanamsa[] = {
{J1900, 0}, /*19: J1900 */
{B1950, 0}, /*20: B1950 */
{1903396.8128654, 0}, /*21: Suryasiddhanta, assuming
ingress of mean Sun into Aries at point
of mean equinox of date on
21.3.499, noon, Ujjain (75.7684565 E)
= 7:30:31.57 UT */
* ingress of mean Sun into Aries at point
* of mean equinox of date on
* 21.3.499, noon, Ujjain (75.7684565 E)
* = 7:30:31.57 UT */
{1903396.8128654, -0.21463395}, /*22: Suryasiddhanta, assuming
ingress of mean Sun into Aries at
true position of mean Sun at same epoch */
* ingress of mean Sun into Aries at
* true position of mean Sun at same epoch */
{1903396.7895321, 0}, /*23: Aryabhata, same date, but UT 6:56:55.57
analogous 21 */
* analogous 21 */
{1903396.7895321, -0.23763238}, /*24: Aryabhata, analogous 22 */
{0, 0}, /*25: - */
{0, 0}, /*26: - */
@ -384,7 +393,8 @@ static const struct aya_init ayanamsa[] = {
#define PLAN_DATA struct plan_data
/* obliquity of ecliptic */
struct epsilon {
struct epsilon
{
double teps, eps, seps, ceps; /* jd, eps, sin(eps), cos(eps) */
};
@ -393,7 +403,8 @@ extern struct epsilon oec2000;
extern struct epsilon oec;
*/
struct plan_data {
struct plan_data
{
/* the following data are read from file only once, immediately after
* file has been opened */
int ibdy; /* internal body number */
@ -403,7 +414,7 @@ struct plan_data {
* to coordinate system of orbital plane
* SEI_FLG_ELLIPSE: TRUE if reference ellipse */
int ncoe; /* # of coefficients of ephemeris polynomial,
is polynomial order + 1 */
* is polynomial order + 1 */
/* where is the segment index on the file */
int32 lndx0; /* file position of begin of planet's index */
int32 nndx; /* number of index entries on file: computed */
@ -456,20 +467,24 @@ extern int swi_moshmoon2(double jd, double *x);
extern int swi_intp_apsides(double J, double *pol, int ipli);
/* planets, s. moshplan.c */
extern int swi_moshplan(double tjd, int ipli, AS_BOOL do_save, double *xpret, double *xeret, char *serr);
extern int swi_moshplan(double tjd, int ipli, AS_BOOL do_save, double *xpret,
double *xeret, char *serr);
extern int swi_moshplan2(double J, int iplm, double *pobj);
extern int swi_osc_el_plan(double tjd, double *xp, int ipl, int ipli, double *xearth, double *xsun, char *serr);
extern int swi_osc_el_plan(double tjd, double *xp, int ipl, int ipli,
double *xearth, double *xsun, char *serr);
extern FILE *swi_fopen(int ifno, char *fname, char *ephepath, char *serr);
/* nutation */
struct nut {
struct nut
{
double tnut;
double nutlo[2]; /* nutation in longitude and obliquity */
double snut, cnut; /* sine and cosine of nutation in obliquity */
double matrix[3][3];
};
struct plantbl {
struct plantbl
{
char max_harmonic[9];
char max_power_of_t;
signed char *arg_tbl;
@ -479,7 +494,8 @@ struct plantbl {
double distance;
};
struct file_data {
struct file_data
{
char fnam[AS_MAXCH]; /* ephemeris file name */
int fversion; /* version number of file */
char astnam[50]; /* asteroid name, if asteroid file */
@ -493,15 +509,13 @@ struct file_data {
int ipl[SEI_FILE_NMAXPLAN]; /* planet numbers */
};
struct gen_const {
double clight,
aunit,
helgravconst,
ratme,
sunradius;
struct gen_const
{
double clight, aunit, helgravconst, ratme, sunradius;
};
struct save_positions {
struct save_positions
{
int ipl;
double tsave;
int32 iflgsave;
@ -515,7 +529,8 @@ struct save_positions {
double xsaves[24];
};
struct node_data {
struct node_data
{
/* result of most recent data evaluation for this body: */
double teval; /* time for which last computation was made */
int32 iephe; /* which ephemeris was used */
@ -529,20 +544,23 @@ struct node_data {
*/
};
struct topo_data {
struct topo_data
{
double geolon, geolat, geoalt;
double teval;
double tjd_ut;
double xobs[6];
};
struct sid_data {
struct sid_data
{
int32 sid_mode;
double ayan_t0;
double t0;
};
struct swe_data {
struct swe_data
{
AS_BOOL ephe_path_is_set;
short jpl_file_is_open;
FILE *fixfp; /* fixed stars file pointer */

277
swe/src/swephexp.h
View File

@ -1,3 +1,4 @@
/************************************************************
$Header: /home/dieter/sweph/RCS/swephexp.h,v 1.75 2009/04/08 07:19:08 dieter Exp $
SWISSEPH: exported definitions and constants
@ -19,6 +20,7 @@
Authors: Dieter Koch and Alois Treindl, Astrodienst Zurich
************************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -74,7 +76,8 @@
*/
#ifdef __cplusplus
extern "C" {
extern "C"
{
#endif
#ifndef _SWEPHEXP_INCLUDED /* allow multiple #includes of swephexp.h */
@ -142,6 +145,7 @@ extern "C" {
#define SE_ADMETOS 45
#define SE_VULKANUS 46
#define SE_POSEIDON 47
/* other fictitious bodies */
#define SE_ISIS 48
#define SE_NIBIRU 49
@ -188,7 +192,7 @@ extern "C" {
#define SEFLG_J2000 32 /* no precession, i.e. give J2000 equinox */
#define SEFLG_NONUT 64 /* no nutation, i.e. mean equinox of date */
#define SEFLG_SPEED3 128 /* speed from 3 positions (do not use it,
SEFLG_SPEED is faster and more precise.) */
* SEFLG_SPEED is faster and more precise.) */
#define SEFLG_SPEED 256 /* high precision speed */
#define SEFLG_NOGDEFL 512 /* turn off gravitational deflection */
#define SEFLG_NOABERR 1024 /* turn off 'annual' aberration of light */
@ -201,8 +205,10 @@ extern "C" {
#define SEFLG_ICRS (128*1024) /* ICRS (DE406 reference frame) */
#define SE_SIDBITS 256
/* for projection onto ecliptic of t0 */
#define SE_SIDBIT_ECL_T0 256
/* for projection onto solar system plane */
#define SE_SIDBIT_SSY_PLANE 512
@ -340,9 +346,9 @@ extern "C" {
#else
#define SE_EPHE_PATH ".:/users/ephe2/:/users/ephe/"
/* At Astrodienst, we maintain two ephemeris areas for
the thousands of asteroid files:
the short files in /users/ephe/ast*,
the long file in /users/ephe2/ast*. */
* the thousands of asteroid files:
* the short files in /users/ephe/ast*,
* the long file in /users/ephe2/ast*. */
#endif
#endif
#endif /* SE_EPHE_PATH */
@ -466,12 +472,12 @@ extern "C" {
#endif
#ifdef MAKE_DLL16 /* 16bit DLL */
/* We compiled the 16bit DLL for Windows 3.x using Borland C/C++ Ver:3.x
and the -WD or -WDE compiler switch. */
* and the -WD or -WDE compiler switch. */
#define EXP16 __export
#define EXP32
#else /* 32bit DLL */
/* To export symbols in the new DLL model of Win32, Microsoft
recommends the following approach */
* recommends the following approach */
#define EXP16
#define EXP32 __declspec( dllexport )
#endif
@ -490,12 +496,34 @@ extern "C" {
#define ext_def(x) extern EXP32 x FAR PASCAL_CONV EXP16
/* ext_def(x) evaluates to x on Unix */
ext_def(int32) swe_heliacal_ut(double tjdstart_ut, double *geopos, double *datm, double *dobs, char *ObjectName, int32 TypeEvent, int32 iflag, double *dret, char *serr);
ext_def(int32) swe_heliacal_pheno_ut(double tjd_ut, double *geopos, double *datm, double *dobs, char *ObjectName, int32 TypeEvent, int32 helflag, double *darr, char *serr);
ext_def(int32) swe_vis_limit_mag(double tjdut, double *geopos, double *datm, double *dobs, char *ObjectName, int32 helflag, double *dret, char *serr);
ext_def(int32) swe_heliacal_ut(double tjdstart_ut, double *geopos,
double *datm, double *dobs,
char *ObjectName, int32 TypeEvent,
int32 iflag, double *dret, char *serr);
ext_def(int32) swe_heliacal_pheno_ut(double tjd_ut, double *geopos,
double *datm, double *dobs,
char *ObjectName, int32 TypeEvent,
int32 helflag, double *darr,
char *serr);
ext_def(int32) swe_vis_limit_mag(double tjdut, double *geopos,
double *datm, double *dobs,
char *ObjectName, int32 helflag,
double *dret, char *serr);
/* the following are secret, for Victor Reijs' */
ext_def(int32) swe_heliacal_angle(double tjdut, double *dgeo, double *datm, double *dobs, int32 helflag, double mag, double azi_obj, double azi_sun, double azi_moon, double alt_moon, double *dret, char *serr);
ext_def(int32) swe_topo_arcus_visionis(double tjdut, double *dgeo, double *datm, double *dobs, int32 helflag, double mag, double azi_obj, double alt_obj, double azi_sun, double azi_moon, double alt_moon, double *dret, char *serr);
ext_def(int32) swe_heliacal_angle(double tjdut, double *dgeo,
double *datm, double *dobs,
int32 helflag, double mag,
double azi_obj, double azi_sun,
double azi_moon, double alt_moon,
double *dret, char *serr);
ext_def(int32) swe_topo_arcus_visionis(double tjdut, double *dgeo,
double *datm, double *dobs,
int32 helflag, double mag,
double azi_obj, double alt_obj,
double azi_sun, double azi_moon,
double alt_moon, double *dret,
char *serr);
/****************************
* exports from sweph.c
@ -504,19 +532,15 @@ ext_def(int32) swe_topo_arcus_visionis(double tjdut, double *dgeo, double *datm,
ext_def(char *) swe_version(char *);
/* planets, moon, nodes etc. */
ext_def( int32 ) swe_calc(
double tjd, int ipl, int32 iflag,
double *xx,
ext_def(int32) swe_calc(double tjd, int ipl, int32 iflag, double *xx,
char *serr);
ext_def(int32) swe_calc_ut(double tjd_ut, int32 ipl, int32 iflag,
double *xx, char *serr);
/* fixed stars */
ext_def( int32 ) swe_fixstar(
char *star, double tjd, int32 iflag,
double *xx,
char *serr);
ext_def(int32) swe_fixstar(char *star, double tjd, int32 iflag,
double *xx, char *serr);
ext_def(int32) swe_fixstar_ut(char *star, double tjd_ut, int32 iflag,
double *xx, char *serr);
@ -539,7 +563,8 @@ ext_def( char *) swe_get_planet_name(int ipl, char *spname);
ext_def(void) swe_set_topo(double geolon, double geolat, double geoalt);
/* set sidereal mode */
ext_def(void) swe_set_sid_mode(int32 sid_mode, double t0, double ayan_t0);
ext_def(void) swe_set_sid_mode(int32 sid_mode, double t0,
double ayan_t0);
/* get ayanamsa */
ext_def(double) swe_get_ayanamsa(double tjd_et);
@ -552,157 +577,157 @@ ext_def( char *) swe_get_ayanamsa_name(int32 isidmode);
* exports from swedate.c
****************************/
ext_def( int ) swe_date_conversion(
int y , int m , int d , /* year, month, day */
ext_def(int) swe_date_conversion(int y, int m, int d, /* year, month, day */
double utime, /* universal time in hours (decimal) */
char c, /* calendar g[regorian]|j[ulian] */
double *tjd);
ext_def( double ) swe_julday(
int year, int month, int day, double hour,
ext_def(double) swe_julday(int year, int month, int day, double hour,
int gregflag);
ext_def( void ) swe_revjul (
double jd,
int gregflag,
int *jyear, int *jmon, int *jday, double *jut);
ext_def(void) swe_revjul(double jd, int gregflag, int *jyear, int *jmon,
int *jday, double *jut);
ext_def(int32) swe_utc_to_jd(
int32 iyear, int32 imonth, int32 iday,
ext_def(int32) swe_utc_to_jd(int32 iyear, int32 imonth, int32 iday,
int32 ihour, int32 imin, double dsec,
int32 gregflag, double *dret, char *serr);
ext_def(void) swe_jdet_to_utc(
double tjd_et, int32 gregflag,
int32 *iyear, int32 *imonth, int32 *iday,
int32 *ihour, int32 *imin, double *dsec);
ext_def(void) swe_jdet_to_utc(double tjd_et, int32 gregflag,
int32 * iyear, int32 * imonth,
int32 * iday, int32 * ihour, int32 * imin,
double *dsec);
ext_def(void) swe_jdut1_to_utc(
double tjd_ut, int32 gregflag,
int32 *iyear, int32 *imonth, int32 *iday,
int32 *ihour, int32 *imin, double *dsec);
ext_def(void) swe_jdut1_to_utc(double tjd_ut, int32 gregflag,
int32 * iyear, int32 * imonth,
int32 * iday, int32 * ihour,
int32 * imin, double *dsec);
ext_def(void) swe_utc_time_zone(
int32 iyear, int32 imonth, int32 iday,
ext_def(void) swe_utc_time_zone(int32 iyear, int32 imonth, int32 iday,
int32 ihour, int32 imin, double dsec,
double d_timezone,
int32 *iyear_out, int32 *imonth_out, int32 *iday_out,
int32 *ihour_out, int32 *imin_out, double *dsec_out);
double d_timezone, int32 * iyear_out,
int32 * imonth_out, int32 * iday_out,
int32 * ihour_out, int32 * imin_out,
double *dsec_out);
/****************************
* exports from swehouse.c
****************************/
ext_def( int ) swe_houses(
double tjd_ut, double geolat, double geolon, int hsys,
double *cusps, double *ascmc);
ext_def(int) swe_houses(double tjd_ut, double geolat, double geolon,
int hsys, double *cusps, double *ascmc);
ext_def( int ) swe_houses_ex(
double tjd_ut, int32 iflag, double geolat, double geolon, int hsys,
double *cusps, double *ascmc);
ext_def(int) swe_houses_ex(double tjd_ut, int32 iflag, double geolat,
double geolon, int hsys, double *cusps,
double *ascmc);
ext_def( int ) swe_houses_armc(
double armc, double geolat, double eps, int hsys,
double *cusps, double *ascmc);
ext_def(int) swe_houses_armc(double armc, double geolat, double eps,
int hsys, double *cusps, double *ascmc);
ext_def(double) swe_house_pos(
double armc, double geolat, double eps, int hsys, double *xpin, char *serr);
ext_def(double) swe_house_pos(double armc, double geolat, double eps,
int hsys, double *xpin, char *serr);
/****************************
* exports from swecl.c
****************************/
ext_def(int32) swe_gauquelin_sector(double t_ut, int32 ipl, char *starname, int32 iflag, int32 imeth, double *geopos, double atpress, double attemp, double *dgsect, char *serr);
ext_def(int32) swe_gauquelin_sector(double t_ut, int32 ipl,
char *starname, int32 iflag,
int32 imeth, double *geopos,
double atpress, double attemp,
double *dgsect, char *serr);
/* computes geographic location and attributes of solar
* eclipse at a given tjd */
ext_def (int32) swe_sol_eclipse_where(double tjd, int32 ifl, double *geopos, double *attr, char *serr);
ext_def (int32) swe_lun_occult_where(double tjd, int32 ipl, char *starname, int32 ifl, double *geopos, double *attr, char *serr);
/* computes attributes of a solar eclipse for given tjd, geolon, geolat */
ext_def (int32) swe_sol_eclipse_how(double tjd, int32 ifl, double *geopos, double *attr, char *serr);
/* finds time of next local eclipse */
ext_def (int32) swe_sol_eclipse_when_loc(double tjd_start, int32 ifl, double *geopos, double *tret, double *attr, int32 backward, char *serr);
ext_def (int32) swe_lun_occult_when_loc(double tjd_start, int32 ipl, char *starname, int32 ifl,
double *geopos, double *tret, double *attr, int32 backward, char *serr);
/* finds time of next eclipse globally */
ext_def (int32) swe_sol_eclipse_when_glob(double tjd_start, int32 ifl, int32 ifltype,
double *tret, int32 backward, char *serr);
/* finds time of next occultation globally */
ext_def (int32) swe_lun_occult_when_glob(double tjd_start, int32 ipl, char *starname, int32 ifl, int32 ifltype,
double *tret, int32 backward, char *serr);
/* computes attributes of a lunar eclipse for given tjd */
ext_def (int32) swe_lun_eclipse_how(
double tjd_ut,
int32 ifl,
double *geopos,
double *attr,
ext_def(int32) swe_sol_eclipse_where(double tjd, int32 ifl,
double *geopos, double *attr,
char *serr);
ext_def (int32) swe_lun_eclipse_when(double tjd_start, int32 ifl, int32 ifltype,
double *tret, int32 backward, char *serr);
ext_def(int32) swe_lun_occult_where(double tjd, int32 ipl,
char *starname, int32 ifl,
double *geopos, double *attr,
char *serr);
/* computes attributes of a solar eclipse for given tjd, geolon, geolat */
ext_def(int32) swe_sol_eclipse_how(double tjd, int32 ifl,
double *geopos, double *attr,
char *serr);
/* finds time of next local eclipse */
ext_def(int32) swe_sol_eclipse_when_loc(double tjd_start, int32 ifl,
double *geopos, double *tret,
double *attr, int32 backward,
char *serr);
ext_def(int32) swe_lun_occult_when_loc(double tjd_start, int32 ipl,
char *starname, int32 ifl,
double *geopos, double *tret,
double *attr, int32 backward,
char *serr);
/* finds time of next eclipse globally */
ext_def(int32) swe_sol_eclipse_when_glob(double tjd_start, int32 ifl,
int32 ifltype, double *tret,
int32 backward, char *serr);
/* finds time of next occultation globally */
ext_def(int32) swe_lun_occult_when_glob(double tjd_start, int32 ipl,
char *starname, int32 ifl,
int32 ifltype, double *tret,
int32 backward, char *serr);
/* computes attributes of a lunar eclipse for given tjd */
ext_def(int32) swe_lun_eclipse_how(double tjd_ut, int32 ifl,
double *geopos, double *attr,
char *serr);
ext_def(int32) swe_lun_eclipse_when(double tjd_start, int32 ifl,
int32 ifltype, double *tret,
int32 backward, char *serr);
/* planetary phenomena */
ext_def (int32) swe_pheno(double tjd, int32 ipl, int32 iflag, double *attr, char *serr);
ext_def(int32) swe_pheno(double tjd, int32 ipl, int32 iflag,
double *attr, char *serr);
ext_def(int32) swe_pheno_ut(double tjd_ut, int32 ipl, int32 iflag, double *attr, char *serr);
ext_def(int32) swe_pheno_ut(double tjd_ut, int32 ipl, int32 iflag,
double *attr, char *serr);
ext_def (double) swe_refrac(double inalt, double atpress, double attemp, int32 calc_flag);
ext_def(double) swe_refrac(double inalt, double atpress, double attemp,
int32 calc_flag);
ext_def (double) swe_refrac_extended(double inalt, double geoalt, double atpress, double attemp, double lapse_rate, int32 calc_flag, double *dret);
ext_def(double) swe_refrac_extended(double inalt, double geoalt,
double atpress, double attemp,
double lapse_rate, int32 calc_flag,
double *dret);
ext_def(void) swe_set_lapse_rate(double lapse_rate);
ext_def (void) swe_azalt(
double tjd_ut,
int32 calc_flag,
double *geopos,
double atpress,
double attemp,
double *xin,
ext_def(void) swe_azalt(double tjd_ut, int32 calc_flag, double *geopos,
double atpress, double attemp, double *xin,
double *xaz);
ext_def (void) swe_azalt_rev(
double tjd_ut,
int32 calc_flag,
double *geopos,
double *xin,
double *xout);
ext_def(void) swe_azalt_rev(double tjd_ut, int32 calc_flag,
double *geopos, double *xin, double *xout);
ext_def (int32) swe_rise_trans_true_hor(
double tjd_ut, int32 ipl, char *starname,
int32 epheflag, int32 rsmi,
double *geopos,
ext_def(int32) swe_rise_trans_true_hor(double tjd_ut, int32 ipl,
char *starname, int32 epheflag,
int32 rsmi, double *geopos,
double atpress, double attemp,
double horhgt,
double *tret,
double horhgt, double *tret,
char *serr);
ext_def (int32) swe_rise_trans(
double tjd_ut, int32 ipl, char *starname,
ext_def(int32) swe_rise_trans(double tjd_ut, int32 ipl, char *starname,
int32 epheflag, int32 rsmi,
double *geopos,
double atpress, double attemp,
double *tret,
char *serr);
double *geopos, double atpress,
double attemp, double *tret, char *serr);
ext_def(int32) swe_nod_aps(double tjd_et, int32 ipl, int32 iflag,
int32 method,
double *xnasc, double *xndsc,
double *xperi, double *xaphe,
char *serr);
int32 method, double *xnasc, double *xndsc,
double *xperi, double *xaphe, char *serr);
ext_def(int32) swe_nod_aps_ut(double tjd_ut, int32 ipl, int32 iflag,
int32 method,
double *xnasc, double *xndsc,
double *xperi, double *xaphe,
char *serr);
int32 method, double *xnasc,
double *xndsc, double *xperi,
double *xaphe, char *serr);
/****************************
@ -732,7 +757,9 @@ ext_def( double ) swe_radnorm(double x);
ext_def(double) swe_rad_midp(double x1, double x0);
ext_def(double) swe_deg_midp(double x1, double x0);
ext_def( void ) swe_split_deg(double ddeg, int32 roundflag, int32 *ideg, int32 *imin, int32 *isec, double *dsecfr, int32 *isgn);
ext_def(void) swe_split_deg(double ddeg, int32 roundflag, int32 * ideg,
int32 * imin, int32 * isec, double *dsecfr,
int32 * isgn);
/*******************************************************
* other functions from swephlib.c;
@ -763,9 +790,11 @@ ext_def( int32 ) swe_d2l(double x);
/* monday = 0, ... sunday = 6 */
ext_def(int) swe_day_of_week(double jd);
ext_def( char *) swe_cs2timestr(CSEC t, int sep, AS_BOOL suppressZero, char *a);
ext_def(char *) swe_cs2timestr(CSEC t, int sep, AS_BOOL suppressZero,
char *a);
ext_def( char *) swe_cs2lonlatstr(CSEC t, char pchar, char mchar, char *s);
ext_def(char *) swe_cs2lonlatstr(CSEC t, char pchar, char mchar,
char *s);
ext_def(char *) swe_cs2degstr(CSEC t, char *a);

755
swe/src/swephlib.c
View File

File diff suppressed because it is too large Load Diff

22
swe/src/swephlib.h
View File

@ -5,6 +5,7 @@
Authors: Dieter Koch and Alois Treindl, Astrodienst Zurich
************************************************************/
/* Copyright (C) 1997 - 2008 Astrodienst AG, Switzerland. All rights reserved.
License conditions
@ -72,11 +73,13 @@
#define PREC_SIMON_1994 FALSE
#define PREC_LASKAR_1986 FALSE
#define PREC_BRETAGNON_2003 FALSE
/* IAU precession 1976 or 2003 for recent centuries.
* only one of the following two defines may be TRUE */
#define PREC_IAU_1976 FALSE
#define PREC_IAU_2003 FALSE /* precession model P03 */
#define PREC_IAU_1976_CTIES 2.0 /* J2000 +/- two centuries */
/* we use P03 for whole ephemeris */
#define PREC_IAU_2003_CTIES 75.0 /* J2000 +/- 75 centuries */
@ -89,7 +92,8 @@
extern void swi_coortrf(double *xpo, double *xpn, double eps);
/* coordinate transformation */
extern void swi_coortrf2(double *xpo, double *xpn, double sineps, double coseps);
extern void swi_coortrf2(double *xpo, double *xpn, double sineps,
double coseps);
/* cartesian to polar coordinates */
extern void swi_cartpol(double *x, double *l);
@ -103,6 +107,7 @@ extern void swi_polcart(double *l, double *x);
/* GCRS to J2000 */
extern void swi_bias(double *x, int32 iflag, AS_BOOL backward);
/* GCRS to FK5 */
extern void swi_icrs2fk5(double *x, int32 iflag, AS_BOOL backward);
@ -114,10 +119,12 @@ extern void swi_precess_speed(double *xx, double t, int direction);
extern void swi_deflect_light(double *xx, double dt, int32 iflag);
extern void swi_aberr_light(double *xx, double *xe, int32 iflag);
extern int swi_plan_for_osc_elem(int32 iflag, double tjd, double *xx);
extern int swi_trop_ra2sid_lon(double *xin, double *xout, double *xoutr, int32 iflag, char *serr);
extern int swi_trop_ra2sid_lon_sosy(double *xin, double *xout, double *xoutr, int32 iflag, char *serr);
extern int swi_get_observer(double tjd, int32 iflag,
AS_BOOL do_save, double *xobs, char *serr);
extern int swi_trop_ra2sid_lon(double *xin, double *xout, double *xoutr,
int32 iflag, char *serr);
extern int swi_trop_ra2sid_lon_sosy(double *xin, double *xout, double *xoutr,
int32 iflag, char *serr);
extern int swi_get_observer(double tjd, int32 iflag, AS_BOOL do_save,
double *xobs, char *serr);
extern void swi_force_app_pos_etc();
/* obliquity of ecliptic */
@ -130,9 +137,9 @@ extern void swi_check_nutation(double tjd, int32 iflag);
extern int swi_nutation(double J, double *nutlo);
extern void swi_nutate(double *xx, int32 iflag, AS_BOOL backward);
extern void swi_mean_lunar_elements(double tjd,
double *node, double *dnode,
extern void swi_mean_lunar_elements(double tjd, double *node, double *dnode,
double *peri, double *dperi);
/* */
extern double swi_mod2PI(double x);
@ -142,6 +149,7 @@ extern double swi_edcheb(double x, double *coef, int ncf);
/* cross product of vectors */
extern void swi_cross_prod(double *a, double *b, double *x);
/* dot product of vecotrs */
extern double swi_dot_prod_unit(double *x, double *y);