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  import org.hipparchus.ode.nonstiff.AdamsBashforthFieldIntegrator;
22  import org.orekit.propagation.ToleranceProvider;
23  
24  /**
25   * Builder for AdamsBashforthFieldIntegrator.
26   *
27   * @author Pascal Parraud
28   * @author Vincent Cucchietti
29   * @since 12.0
30   * @param <T> type of the field elements
31   */
32  public class AdamsBashforthFieldIntegratorBuilder<T extends CalculusFieldElement<T>>
33          extends AbstractLimitedVariableStepFieldIntegratorBuilder<T, AdamsBashforthFieldIntegrator<T>> {
34  
35      /**
36       * Build a new instance using default integration tolerances.
37       *
38       * @param nSteps number of steps
39       * @param minStep minimum step size (s)
40       * @param maxStep maximum step size (s)
41       * @param dP position error (m)
42       *
43       * @see AdamsBashforthFieldIntegrator
44       */
45      public AdamsBashforthFieldIntegratorBuilder(final int nSteps, final double minStep,
46                                                  final double maxStep, final double dP) {
47          super(nSteps, minStep, maxStep, getDefaultToleranceProvider(dP));
48      }
49  
50      /**
51       * Build a new instance.
52       *
53       * @param nSteps number of steps
54       * @param minStep minimum step size (s)
55       * @param maxStep maximum step size (s)
56       * @param toleranceProvider integration tolerance provider
57       *
58       * @since 13.0
59       * @see AdamsBashforthFieldIntegrator
60       */
61      public AdamsBashforthFieldIntegratorBuilder(final int nSteps, final double minStep,
62                                                  final double maxStep, final ToleranceProvider toleranceProvider) {
63          super(nSteps, minStep, maxStep, toleranceProvider);
64      }
65  
66      /** {@inheritDoc} */
67      @Override
68      protected AdamsBashforthFieldIntegrator<T> buildIntegrator(final Field<T> field, final double[][] tolerances) {
69          return new AdamsBashforthFieldIntegrator<>(field, getnSteps(), getMinStep(), getMaxStep(), tolerances[0], tolerances[1]);
70      }
71  
72      /** {@inheritDoc} */
73      @Override
74      public AdamsBashforthIntegratorBuilder toODEIntegratorBuilder() {
75          return new AdamsBashforthIntegratorBuilder(getnSteps(), getMinStep(), getMaxStep(), getToleranceProvider());
76      }
77  }