/* Copyright 2002-2017 CS Systèmes d'Information
* Licensed to CS Systèmes d'Information (CS) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* CS licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.orekit.data;
import org.hipparchus.RealFieldElement;
/** Class for planetary only terms.
* @author Luc Maisonobe
*/
class PlanetaryTerm extends SeriesTerm {
/** Coefficient for mean Mercury longitude. */
private final int cMe;
/** Coefficient for mean Venus longitude. */
private final int cVe;
/** Coefficient for mean Earth longitude. */
private final int cE;
/** Coefficient for mean Mars longitude. */
private final int cMa;
/** Coefficient for mean Jupiter longitude. */
private final int cJu;
/** Coefficient for mean Saturn longitude. */
private final int cSa;
/** Coefficient for mean Uranus longitude. */
private final int cUr;
/** Coefficient for mean Neptune longitude. */
private final int cNe;
/** Coefficient for general accumulated precession in longitude. */
private final int cPa;
/** Build a planetary term for nutation series.
* @param cMe coefficient for mean Mercury longitude
* @param cVe coefficient for mean Venus longitude
* @param cE coefficient for mean Earth longitude
* @param cMa coefficient for mean Mars longitude
* @param cJu coefficient for mean Jupiter longitude
* @param cSa coefficient for mean Saturn longitude
* @param cUr coefficient for mean Uranus longitude
* @param cNe coefficient for mean Neptune longitude
* @param cPa coefficient for general accumulated precession in longitude
*/
PlanetaryTerm(final int cMe, final int cVe, final int cE, final int cMa, final int cJu,
final int cSa, final int cUr, final int cNe, final int cPa) {
this.cMe = cMe;
this.cVe = cVe;
this.cE = cE;
this.cMa = cMa;
this.cJu = cJu;
this.cSa = cSa;
this.cUr = cUr;
this.cNe = cNe;
this.cPa = cPa;
}
/** {@inheritDoc} */
protected double argument(final BodiesElements elements) {
return cMe * elements.getLMe() + cVe * elements.getLVe() + cE * elements.getLE() +
cMa * elements.getLMa() + cJu * elements.getLJu() +
cSa * elements.getLSa() + cUr * elements.getLUr() +
cNe * elements.getLNe() + cPa * elements.getPa();
}
/** {@inheritDoc} */
protected double argumentDerivative(final BodiesElements elements) {
return cMe * elements.getLMeDot() + cVe * elements.getLVeDot() + cE * elements.getLEDot() +
cMa * elements.getLMaDot() + cJu * elements.getLJuDot() +
cSa * elements.getLSaDot() + cUr * elements.getLUrDot() +
cNe * elements.getLNeDot() + cPa * elements.getPaDot();
}
/** {@inheritDoc} */
protected <T extends RealFieldElement<T>> T argument(final FieldBodiesElements<T> elements) {
return elements.getLMe().multiply(cMe).
add(elements.getLVe().multiply(cVe)).
add(elements.getLE().multiply(cE)).
add(elements.getLMa().multiply(cMa)).
add(elements.getLJu().multiply(cJu)).
add(elements.getLSa().multiply(cSa)).
add(elements.getLUr().multiply(cUr)).
add(elements.getLNe().multiply(cNe)).
add(elements.getPa().multiply(cPa));
}
/** {@inheritDoc} */
protected <T extends RealFieldElement<T>> T argumentDerivative(final FieldBodiesElements<T> elements) {
return elements.getLMeDot().multiply(cMe).
add(elements.getLVeDot().multiply(cVe)).
add(elements.getLEDot().multiply(cE)).
add(elements.getLMaDot().multiply(cMa)).
add(elements.getLJuDot().multiply(cJu)).
add(elements.getLSaDot().multiply(cSa)).
add(elements.getLUrDot().multiply(cUr)).
add(elements.getLNeDot().multiply(cNe)).
add(elements.getPaDot().multiply(cPa));
}
}