1 /* Copyright 2002-2023 CS GROUP
2 * Licensed to CS GROUP (CS) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * CS licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.orekit.data;
18
19 import org.hipparchus.CalculusFieldElement;
20
21 /** Class for general terms.
22 * @author Luc Maisonobe
23 */
24 class GeneralTerm extends SeriesTerm {
25
26 /** Coefficient for mean anomaly of the Moon. */
27 private final int cL;
28
29 /** Coefficient for mean anomaly of the Sun. */
30 private final int cLPrime;
31
32 /** Coefficient for L - Ω where L is the mean longitude of the Moon. */
33 private final int cF;
34
35 /** Coefficient for mean elongation of the Moon from the Sun. */
36 private final int cD;
37
38 /** Coefficient for mean longitude of the ascending node of the Moon. */
39 private final int cOmega;
40
41 /** Coefficient for mean Mercury longitude. */
42 private final int cMe;
43
44 /** Coefficient for mean Venus longitude. */
45 private final int cVe;
46
47 /** Coefficient for mean Earth longitude. */
48 private final int cE;
49
50 /** Coefficient for mean Mars longitude. */
51 private final int cMa;
52
53 /** Coefficient for mean Jupiter longitude. */
54 private final int cJu;
55
56 /** Coefficient for mean Saturn longitude. */
57 private final int cSa;
58
59 /** Coefficient for mean Uranus longitude. */
60 private final int cUr;
61
62 /** Coefficient for mean Neptune longitude. */
63 private final int cNe;
64
65 /** Coefficient for general accumulated precession in longitude. */
66 private final int cPa;
67
68 /** Build a general term for nutation series.
69 * @param cL coefficient for mean anomaly of the Moon
70 * @param cLPrime coefficient for mean anomaly of the Sun
71 * @param cF coefficient for L - Ω where L is the mean longitude of the Moon
72 * @param cD coefficient for mean elongation of the Moon from the Sun
73 * @param cOmega coefficient for mean longitude of the ascending node of the Moon
74 * @param cMe coefficient for mean Mercury longitude
75 * @param cVe coefficient for mean Venus longitude
76 * @param cE coefficient for mean Earth longitude
77 * @param cMa coefficient for mean Mars longitude
78 * @param cJu coefficient for mean Jupiter longitude
79 * @param cSa coefficient for mean Saturn longitude
80 * @param cUr coefficient for mean Uranus longitude
81 * @param cNe coefficient for mean Neptune longitude
82 * @param cPa coefficient for general accumulated precession in longitude
83 */
84 GeneralTerm(final int cL, final int cLPrime, final int cF, final int cD, final int cOmega,
85 final int cMe, final int cVe, final int cE, final int cMa, final int cJu,
86 final int cSa, final int cUr, final int cNe, final int cPa) {
87 this.cL = cL;
88 this.cLPrime = cLPrime;
89 this.cF = cF;
90 this.cD = cD;
91 this.cOmega = cOmega;
92 this.cMe = cMe;
93 this.cVe = cVe;
94 this.cE = cE;
95 this.cMa = cMa;
96 this.cJu = cJu;
97 this.cSa = cSa;
98 this.cUr = cUr;
99 this.cNe = cNe;
100 this.cPa = cPa;
101 }
102
103 /** {@inheritDoc} */
104 protected double argument(final BodiesElements elements) {
105 return cL * elements.getL() + cLPrime * elements.getLPrime() + cF * elements.getF() +
106 cD * elements.getD() + cOmega * elements.getOmega() +
107 cMe * elements.getLMe() + cVe * elements.getLVe() + cE * elements.getLE() +
108 cMa * elements.getLMa() + cJu * elements.getLJu() +
109 cSa * elements.getLSa() + cUr * elements.getLUr() +
110 cNe * elements.getLNe() + cPa * elements.getPa();
111 }
112
113 /** {@inheritDoc} */
114 protected double argumentDerivative(final BodiesElements elements) {
115 return cL * elements.getLDot() + cLPrime * elements.getLPrimeDot() + cF * elements.getFDot() +
116 cD * elements.getDDot() + cOmega * elements.getOmegaDot() +
117 cMe * elements.getLMeDot() + cVe * elements.getLVeDot() + cE * elements.getLEDot() +
118 cMa * elements.getLMaDot() + cJu * elements.getLJuDot() +
119 cSa * elements.getLSaDot() + cUr * elements.getLUrDot() +
120 cNe * elements.getLNeDot() + cPa * elements.getPaDot();
121 }
122
123 /** {@inheritDoc} */
124 protected <T extends CalculusFieldElement<T>> T argument(final FieldBodiesElements<T> elements) {
125 return elements.getL().multiply(cL).
126 add(elements.getLPrime().multiply(cLPrime)).
127 add(elements.getF().multiply(cF)).
128 add(elements.getD().multiply(cD)).
129 add(elements.getOmega().multiply(cOmega)).
130 add(elements.getLMe().multiply(cMe)).
131 add(elements.getLVe().multiply(cVe)).
132 add(elements.getLE().multiply(cE)).
133 add(elements.getLMa().multiply(cMa)).
134 add(elements.getLJu().multiply(cJu)).
135 add(elements.getLSa().multiply(cSa)).
136 add(elements.getLUr().multiply(cUr)).
137 add(elements.getLNe().multiply(cNe)).
138 add(elements.getPa().multiply(cPa));
139 }
140
141 /** {@inheritDoc} */
142 protected <T extends CalculusFieldElement<T>> T argumentDerivative(final FieldBodiesElements<T> elements) {
143 return elements.getLDot().multiply(cL).
144 add(elements.getLPrimeDot().multiply(cLPrime)).
145 add(elements.getFDot().multiply(cF)).
146 add(elements.getDDot().multiply(cD)).
147 add(elements.getOmegaDot().multiply(cOmega)).
148 add(elements.getLMeDot().multiply(cMe)).
149 add(elements.getLVeDot().multiply(cVe)).
150 add(elements.getLEDot().multiply(cE)).
151 add(elements.getLMaDot().multiply(cMa)).
152 add(elements.getLJuDot().multiply(cJu)).
153 add(elements.getLSaDot().multiply(cSa)).
154 add(elements.getLUrDot().multiply(cUr)).
155 add(elements.getLNeDot().multiply(cNe)).
156 add(elements.getPaDot().multiply(cPa));
157 }
158
159 }