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Searched refs:eccentricity (Results 1 – 3 of 3) sorted by relevance

/external/icu/icu4j/main/classes/core/src/com/ibm/icu/impl/
DCalendarAstronomer.java1362 private double trueAnomaly(double meanAnomaly, double eccentricity)
1369 delta = E - eccentricity * Math.sin(E) - meanAnomaly;
1370 E = E - delta / (1 - eccentricity * Math.cos(E));
1374 return 2.0 * Math.atan( Math.tan(E/2) * Math.sqrt( (1+eccentricity)
1375 /(1-eccentricity) ) );
/external/icu/android_icu4j/src/main/java/android/icu/impl/
DCalendarAstronomer.java1364 private double trueAnomaly(double meanAnomaly, double eccentricity)
1371 delta = E - eccentricity * Math.sin(E) - meanAnomaly;
1372 E = E - delta / (1 - eccentricity * Math.cos(E));
1376 return 2.0 * Math.atan( Math.tan(E/2) * Math.sqrt( (1+eccentricity)
1377 /(1-eccentricity) ) );
/external/icu/icu4c/source/i18n/
Dastro.cpp594 static double trueAnomaly(double meanAnomaly, double eccentricity) in trueAnomaly() argument
601 delta = E - eccentricity * ::sin(E) - meanAnomaly; in trueAnomaly()
602 E = E - delta / (1 - eccentricity * ::cos(E)); in trueAnomaly()
606 return 2.0 * ::atan( ::tan(E/2) * ::sqrt( (1+eccentricity) in trueAnomaly()
607 /(1-eccentricity) ) ); in trueAnomaly()