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Upgrade to Swiss Ephemeris 2.02.01

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This commit is contained in:
Gergely Polonkai
2015-09-13 15:35:46 +02:00
parent dbfb734b1f
commit e394ffa15e
21 changed files with 12475 additions and 1015 deletions
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27
swe/src/swedate.c
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@@ -276,7 +276,7 @@ void FAR PASCAL_CONV swe_utc_time_zone(
*/
/* Leap seconds were inserted at the end of the following days:*/
#define NLEAP_SECONDS 24
#define NLEAP_SECONDS 26
#define NLEAP_SECONDS_SPACE 100
static int leap_seconds[NLEAP_SECONDS_SPACE] = {
19720630,
@@ -303,6 +303,8 @@ static int leap_seconds[NLEAP_SECONDS_SPACE] = {
19981231,
20051231,
20081231,
20120630,
20150630,
0 /* keep this 0 as end mark */
};
#define J1972 2441317.5
@@ -403,7 +405,7 @@ int32 FAR PASCAL_CONV swe_utc_to_jd(int32 iyear, int32 imonth, int32 iday, int32
*/
if (tjd_ut1 < J1972) {
dret[1] = swe_julday(iyear, imonth, iday, dhour, gregflag);
dret[0] = dret[1] + swe_deltat(dret[1]);
dret[0] = dret[1] + swe_deltat_ex(dret[1], -1, NULL);
return OK;
}
/*
@@ -430,10 +432,10 @@ int32 FAR PASCAL_CONV swe_utc_to_jd(int32 iyear, int32 imonth, int32 iday, int32
* input time as UT1, not as UTC. How do we find out?
* Check, if delta_t - nleap - 32.184 > 0.9
*/
d = swe_deltat(tjd_ut1) * 86400.0;
d = swe_deltat_ex(tjd_ut1, -1, NULL) * 86400.0;
if (d - (double) nleap - 32.184 >= 1.0) {
dret[1] = tjd_ut1 + dhour / 24.0;
dret[0] = dret[1] + swe_deltat(dret[1]);
dret[0] = dret[1] + swe_deltat_ex(dret[1], -1, NULL);
return OK;
}
/*
@@ -463,8 +465,9 @@ int32 FAR PASCAL_CONV swe_utc_to_jd(int32 iyear, int32 imonth, int32 iday, int32
/* ET (TT) */
tjd_et_1972 = J1972 + (32.184 + NLEAP_INIT) / 86400.0;
tjd_et = tjd_et_1972 + d + ((double) (nleap - NLEAP_INIT)) / 86400.0;
d = swe_deltat(tjd_et);
tjd_ut1 = tjd_et - swe_deltat(tjd_et - d);
d = swe_deltat_ex(tjd_et, -1, NULL);
tjd_ut1 = tjd_et - swe_deltat_ex(tjd_et - d, -1, NULL);
tjd_ut1 = tjd_et - swe_deltat_ex(tjd_ut1, -1, NULL);
dret[0] = tjd_et;
dret[1] = tjd_ut1;
return OK;
@@ -494,8 +497,9 @@ void FAR PASCAL_CONV swe_jdet_to_utc(double tjd_et, int32 gregflag, int32 *iyear
* if tjd_et is before 1 jan 1972 UTC, return UT1
*/
tjd_et_1972 = J1972 + (32.184 + NLEAP_INIT) / 86400.0;
d = swe_deltat(tjd_et);
tjd_ut = tjd_et - swe_deltat(tjd_et - d);
d = swe_deltat_ex(tjd_et, -1, NULL);
tjd_ut = tjd_et - swe_deltat_ex(tjd_et - d, -1, NULL);
tjd_ut = tjd_et - swe_deltat_ex(tjd_ut, -1, NULL);
if (tjd_et < tjd_et_1972) {
swe_revjul(tjd_ut, gregflag, iyear, imonth, iday, &d);
*ihour = (int32) d;
@@ -550,8 +554,8 @@ void FAR PASCAL_CONV swe_jdet_to_utc(double tjd_et, int32 gregflag, int32 *iyear
* input time as UT1, not as UTC. How do we find out?
* Check, if delta_t - nleap - 32.184 > 0.9
*/
d = swe_deltat(tjd_et);
d = swe_deltat(tjd_et - d);
d = swe_deltat_ex(tjd_et, -1, NULL);
d = swe_deltat_ex(tjd_et - d, -1, NULL);
if (d * 86400.0 - (double) (nleap + NLEAP_INIT) - 32.184 >= 1.0) {
swe_revjul(tjd_et - d, SE_GREG_CAL, iyear, imonth, iday, &d);
*ihour = (int32) d;
@@ -582,6 +586,7 @@ void FAR PASCAL_CONV swe_jdet_to_utc(double tjd_et, int32 gregflag, int32 *iyear
*/
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);
double tjd_et = tjd_ut + swe_deltat_ex(tjd_ut, -1, NULL);
swe_jdet_to_utc(tjd_et, gregflag, iyear, imonth, iday, ihour, imin, dsec);
}