1   /* Copyright 2002-2025 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.propagation.conversion;
18  
19  import org.hipparchus.CalculusFieldElement;
20  import org.hipparchus.Field;
21  
22  import org.hipparchus.ode.nonstiff.HighamHall54FieldIntegrator;
23  import org.orekit.propagation.ToleranceProvider;
24  
25  /**
26   * Builder for HighamHall54Integrator.
27   *
28   * @author Pascal Parraud
29   * @author Vincent Cucchietti
30   * @since 12.0
31   * @param <T> type of the field elements
32   */
33  public class HighamHall54FieldIntegratorBuilder<T extends CalculusFieldElement<T>>
34          extends AbstractVariableStepFieldIntegratorBuilder<T, HighamHall54FieldIntegrator<T>>
35          implements FieldExplicitRungeKuttaIntegratorBuilder<T> {
36  
37      /**
38       * Build a new instance using default integration tolerances.
39       *
40       * @param minStep minimum step size (s)
41       * @param maxStep maximum step size (s)
42       * @param dP position error (m)
43       *
44       * @see HighamHall54FieldIntegrator
45       */
46      public HighamHall54FieldIntegratorBuilder(final double minStep, final double maxStep, final double dP) {
47          this(minStep, maxStep, getDefaultToleranceProvider(dP));
48      }
49  
50      /**
51       * Build a new instance.
52       *
53       * @param minStep minimum step size (s)
54       * @param maxStep maximum step size (s)
55       * @param toleranceProvider integration tolerance provider
56       *
57       * @since 13.0
58       * @see HighamHall54FieldIntegrator
59       */
60      public HighamHall54FieldIntegratorBuilder(final double minStep, final double maxStep,
61                                                final ToleranceProvider toleranceProvider) {
62          super(minStep, maxStep, toleranceProvider);
63      }
64  
65      /** {@inheritDoc} */
66      @Override
67      protected HighamHall54FieldIntegrator<T> buildIntegrator(final Field<T> field, final double[][] tolerances) {
68          return new HighamHall54FieldIntegrator<>(field, getMinStep(), getMaxStep(), tolerances[0], tolerances[1]);
69      }
70  
71      /** {@inheritDoc} */
72      @Override
73      public HighamHall54IntegratorBuilder toODEIntegratorBuilder() {
74          return new HighamHall54IntegratorBuilder(getMinStep(), getMaxStep(), getToleranceProvider());
75      }
76  }