Lines Matching refs:deltaT
1310 double deltaT = (deltaAngle + (next ? 0.0 : - CalendarAstronomer_PI2 )) * (periodDays*DAY_MS) / CalendarAstronomer_PI2;
1312 double lastDeltaT = deltaT; // Liu
1315 setTime(fTime + uprv_ceil(deltaT));
1325 double factor = uprv_fabs(deltaT / normPI(angle-lastAngle));
1328 deltaT = normPI(desired - angle) * factor;
1332 // If abs(deltaT) begins to diverge we need to quit this loop.
1340 // But attempting to make the same call a day earlier causes deltaT
1351 if (uprv_fabs(deltaT) > uprv_fabs(lastDeltaT)) {
1357 lastDeltaT = deltaT;
1360 setTime(fTime + uprv_ceil(deltaT));
1362 deltaT) > epsilon);
1373 double deltaT = 0;
1392 deltaT = newTime - fTime;
1395 count, deltaT, angle, lst, pos.ascension, pos.declination));
1397 while (++ count < 5 && uprv_fabs(deltaT) > epsilon);
