1 /*
2 * Licensed to the Hipparchus project under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The Hipparchus project 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 * https://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.hipparchus.special.elliptic.jacobi;
18
19 import org.hipparchus.CalculusFieldElement;
20
21 /** Copolar trio with pole at point d in Glaisher’s Notation.
22 * <p>
23 * This is a container for the three subsidiary Jacobi elliptic functions
24 * {@code nd(u|m)}, {@code sd(u|m)}, and {@code cd(u|m)}.
25 * </p>
26 * @param <T> the type of the field elements
27 * @since 2.0
28 */
29 public class FieldCopolarD<T extends CalculusFieldElement<T>> {
30
31 /** Value of the nd function. */
32 private final T nd;
33
34 /** Value of the sd function. */
35 private final T sd;
36
37 /** Value of the cd function. */
38 private final T cd;
39
40 /** Simple constructor.
41 * @param trioN copolar trio with pole at point n in Glaisher’s Notation
42 */
43 FieldCopolarD(final FieldCopolarN<T> trioN) {
44 this.nd = trioN.dn().reciprocal();
45 this.sd = nd.multiply(trioN.sn());
46 this.cd = nd.multiply(trioN.cn());
47 }
48
49 /** Get the value of the nd function.
50 * @return nd(u|m)
51 */
52 public T nd() {
53 return nd;
54 }
55
56 /** Get the value of the sd function.
57 * @return sd(u|m)
58 */
59 public T sd() {
60 return sd;
61 }
62
63 /** Get the value of the cd function.
64 * @return cd(u|m)
65 */
66 public T cd() {
67 return cd;
68 }
69
70 }