Cross Reference: /external/icu/icu4c/source/i18n/astro.cpp

Lines Matching refs:longitude
96  * it takes for the moon to return the same ecliptic longitude as the sun.
97  * It is longer than the sidereal month because the sun's longitude increases
109  * for the moon to return to the same ecliptic longitude relative to the
261  * latitude and longitude.  The object's time is set to the current
264  * @param longitude The desired longitude, in <em>degrees</em> east of
274 CalendarAstronomer::CalendarAstronomer(double longitude, double latitude) :
276   fLongitude = normPI(longitude * (double)DEG_RAD);
448     return eclipticToEquatorial(result, ecliptic.longitude, ecliptic.latitude);
454  * @param eclipLong     The ecliptic longitude
483  * Convert from ecliptic longitude to equatorial coordinates.
485  * @param eclipLong     The ecliptic longitude
532 #define SUN_ETA_G    (279.403303 * CalendarAstronomer::PI/180) // Ecliptic longitude at epoch
533 #define SUN_OMEGA_G  (282.768422 * CalendarAstronomer::PI/180) // Ecliptic longitude of perigee
548 //   * Return the sun's ecliptic longitude at perigee for the current time.
558 //   * Return the sun's ecliptic longitude for the current time.
584  * Find the "true anomaly" (longitude) of an object from
588  * @param meanAnomaly   The object's longitude calculated as if it were in
594  * @return The true anomaly (longitude) measured in radians
613  * The longitude of the sun at the time specified by this object.
614  * The longitude is measured in radians along the ecliptic
638 /*public*/ void CalendarAstronomer::getSunLongitude(double jDay, double &longitude, double &meanAnomaly)
653     // Now find the "true anomaly", e.g. the real solar longitude
657     longitude =  norm2PI(trueAnomaly(meanAnomaly, SUN_E) + SUN_OMEGA_G);
718  * Find the next time at which the sun's ecliptic longitude will have
817 //        // 6. Calculate GST at 0h on the observer's longitude
962 //        // The Sun's true longitude, slon, can now be computed:
968 //        // longitude) to sRA and sDec (the Sun's RA and Dec):
1073         // Calculate the solar longitude.  Has the side effect of
1083         // Calculate the mean longitude and anomaly of the moon, based on
1111         // Now find the moon's corrected longitude
1124         // What we've calculated so far is the moon's longitude in the plane
1126         // and longitude.  First we need to find the longitude of the ascending
1239  * longitude will have the desired value.
1241  * @param desired   The desired longitude.
1484     sprintf(tmp, "[%.5f,%.5f]", longitude*RAD_DEG, latitude*RAD_DEG);